[go: up one dir, main page]

WO1997032147A1 - Clapet melangeur sensible aux conditions de pression d'entree - Google Patents

Clapet melangeur sensible aux conditions de pression d'entree Download PDF

Info

Publication number
WO1997032147A1
WO1997032147A1 PCT/AU1997/000116 AU9700116W WO9732147A1 WO 1997032147 A1 WO1997032147 A1 WO 1997032147A1 AU 9700116 W AU9700116 W AU 9700116W WO 9732147 A1 WO9732147 A1 WO 9732147A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve member
mixing
chamber
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/AU1997/000116
Other languages
English (en)
Inventor
Gary Sutherland Hay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GSA Industries Australia Pty Ltd
Original Assignee
GSA Industries Australia Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GSA Industries Australia Pty Ltd filed Critical GSA Industries Australia Pty Ltd
Priority to AU18613/97A priority Critical patent/AU1861397A/en
Publication of WO1997032147A1 publication Critical patent/WO1997032147A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
    • G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
    • G05D23/134—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid
    • G05D23/136—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with pressure equalizing means

Definitions

  • This invention is concerned with mixing valves as used in fluid reticulation systems to regulate the temperature or other condition of a mixture comprising two or more fluids received from different sources.
  • the invention will be hereinafter described with particular reference to the mixing of hot and cold water so as to regulate the temperature of water delivered to an outlet, but it is to be understood that the invention has wider application.
  • a dangerous situation can develop if the cold water flow to a mixing valve ceases or reduces significantly in pressure. It is necessary for the valve to respond to that changed condition to avoid delivery of excessively hot water to the outlet, but prior to the present invention many mixing valves did not possess satisfactory fail-safe characteristics for that purpose. Furthermore, the prior mixing valves have not been entirely satisfactory in providing thorough mixing of the hot and cold water such as to ensure that the outlet flow is of substantially stable temperature.
  • Mixing valves which regulate the temperature of an outlet flow generally include an element which controls the flow of hot and cold water streams into a mixing chamber and which responds to temperature changes within that chamber to reduce or increase the flow of either the cold water or the hot water stream.
  • an element which controls the flow of hot and cold water streams into a mixing chamber and which responds to temperature changes within that chamber to reduce or increase the flow of either the cold water or the hot water stream.
  • a mixing valve is characterised in that it includes a mixing chamber, an outlet and a first inlet each of which communicates with the mixing chamber, a second inlet capable of communicating with the mixing chamber, a valve seat, a valve member which is movable relative to the valve seat and is engageable with that seat to prevent communication between the second inlet and the mixing chamber, and a surface area of the valve member which is exposed to incoming flow through the second inlet so that the prevailing conditions of that flow impose a closing force on the valve member tending to move that member towards the valve seat.
  • the flow imposed closing force causes or assists rapid engagement of the valve member and the valve seat in circumstances where there is no flow or relatively little flow through the first inlet.
  • a mixing valve cartridge which is insertable into a valve body having at least two inlets and an outlet, and the cartridge includes a mixing chamber, a valve seat, a valve member which is movable relative to the valve seat and is engageable therewith, and a surface area of the valve member which when the cartridge is in use is exposed to the conditions of incoming flow through one of the valve inlets so that the valve member is subjected to a flow imposed closing force which tends to move that member towards the valve seat.
  • the cartridge is adapted to cooperate with the valve body in such a way that engagement between the valve member and the valve seat prevents communication between the mixing chamber and the aforementioned one inlet.
  • the mixing valve is of the thermostatic type having a temperature responsive element exposed to the mixing chamber and connected to the valve member so as to move that member towards the valve seat when the temperature within the mixing chamber rises above a predetermined level.
  • the incoming flow which influences closing movement of the valve member may be hot water flow and the other valve inlet is adapted to receive cold water flow.
  • the arrangement is such that under some circumstances the closing force imposed on the valve member by the hot water flow conditions dominates over the closing influence of the temperature responsive element and causes the valve to close more rapidly than would otherwise occur.
  • the valve may include a mixing tube which forms at least part of the mixing chamber or is included in that chamber.
  • the mixing tube is preferably arranged to receive at least part of the temperature responsive element in such a way that a flow passage exists between that element and an inner surface of the tube.
  • the flow passage communicates with the valve outlet and is arranged to receive incoming flow from both inlets when the valve is open so that those flows thoroughly mix and the combined flow has direct contact with the temperature responsive element.
  • a mixing valve having a mixing chamber, an outlet and a first inlet each of which communicates with the mixing chamber, a second inlet capable of communicating with the mixing chamber, isolating means operable to prevent communication between the second inlet and the mixing chamber, and a mixing tube which forms part of the mixing chamber or communicates with the mixing chamber.
  • the mixing tube is arranged to receive incoming flow from each of the inlets so as to promote thorough mixing of those flows prior to exhaust of the combined flow through the outlet.
  • a temperature responsive element may be arranged so that at least part of that element is contained within the tube and a flow passage which receives each of the two incoming flows is formed between that element part and an inner surface of the tube, and that flow passage communicates with the valve outlet.
  • the isolating means may include a valve seat and a relatively movable valve member which is engageable with the valve seat.
  • a cartridge for use in a mixing valve which includes the mixing chamber, isolating means and mixing tube as referred to in the preceding paragraph.
  • Such a cartridge is adapted to be insertable in a valve body having two inlets and an outlet as referred to in the preceding paragraph.
  • a valve including, a mixing chamber, first and second inlets through which respective streams of fluid can flow into said chamber, an outlet through which fluid can leave said chamber, a valve member movable relative to said inlets and being operable to close either one of said inlets or both of said inlets and thereby prevent communication between said chamber and one or both respectively of said inlets, said valve member being operative to close said first inlet and leave said second inlet open when moved in one direction and to close said second inlet and leave said first inlet open when moved to a first position in a direction opposite to said one direction, said valve member being operative to close both said inlets when moved in said opposite direction beyond said first position to a second position, a temperature responsive element exposed to said mixing chamber and being connected to said valve member so as to be operative to control the position of the valve member relative to said inlets in accordance with the temperature conditions existing within said mixing chamber, and biasing means urging said valve member in said opposite direction and being operative to move said valve member
  • a valve cartridge assembly for use within a valve body having first and second inlet ports and an outlet port, said assembly including, a mixing chamber, first and second inlets through which respective streams of fluid can flow into said chamber from said first and second ports respectively, an outlet through which fluid can leave said chamber, a valve member movable relative to said inlets and being operable to close either one of said inlets or both of said inlets and thereby prevent communication between said chamber and one or both respectively of said inlets, said valve member being operative to close the first said inlet only when moved in one direction and to close said second inlet only when moved to a first position in a direction opposite to said one direction, said valve member being operative to close both said inlets when moved in said opposite direction beyond said first position to a second position, a temperature responsive element exposed to said mixing chamber and being connected to said valve member so as to be operative to control the position of the valve member relative to said inlets in accordance with the temperature conditions existing within said mixing chamber, and biasing
  • Figure 1 is a cross-sectional view of a mixing valve in accordance with one embodiment of the invention.
  • Figure 2 is an enlarged view of part of the valve shown in Figure 1 and showing the hot water inlet closed.
  • Figure 3 is a still further enlarged view of part of the valve arrangement shown in Figure 2.
  • Figure 4 is a view similar to Figure 2 but showing the hot water inlet open.
  • Figure 5 is a cross-sectional view of a valve according to another embodiment of the invention.
  • Figure 6 is a side elevation view of a valve according to still another embodiment of the invention.
  • Figure 7 is a cross-sectional view taken along line VII-VII of Figure 6.
  • Figure 8 is a cross-sectional view of yet another embodiment of the invention.
  • Figure 9 is an enlarged view of part only of a mixing tube according to one embodiment of the invention.
  • Figure 10 is a view similar to Figure 9 but showing another form of mixing tube.
  • Figure 11 is a view similar to Figure 9 and showing still another form of mixing tube.
  • Figure 12 is a view similar to Figure 9 showing yet another form of mixing tube.
  • Figure 13 is a view similar to Figure 9 showing a further form of mixing tube.
  • Figure 14 is a cross-sectional view of another embodiment of the invention.
  • FIG. 15 is an enlarged view of part only of the valve shown in Figure
  • Figure 16 is a view similar to Figure 15 but showing the valve in another condition of operation.
  • Figure 17 is a view similar to Figure 15 and showing the valve in still another condition of operation.
  • Figure 18 is a cross-sectional view of yet another embodiment of the invention.
  • the particular valve shown by Figure 1 includes a hollow body 1 having a cold water inlet port 2, a hot water inlet port 3 and an outlet port 4, each of which communicates with a mixing chamber 5 when the valve is in an open condition as shown by Figure 1.
  • the cold water port 2 communicates with the mixing chamber 5 by way of a valve controlled inlet 2a, and the hot water port
  • Isolating means is operable to close off communication between the inlet port 3 and the mixing chamber 5 under conditions hereinafter described, and in the particular arrangement shown that isolating means includes a valve seat 6 and a valve member 7 which is movable relative to the valve seat 6 and is engageable with the valve seat 6 so as to close the inlet 3a and thereby isolate the mixing chamber 5 from the hot water inlet port 3.
  • Figure 2 shows the valve in that closed condition.
  • valve member 7 is in the form of an open ended cylindrical tubular member which is slidable axially within an internal wall 8 of the valve body 1.
  • the wall 8 serves to provide a separation between cold and hot water passages 9 and 10 formed within the body 1.
  • the cold water passage 9 remains in communication with the chamber 5 and the outlet port 4, whereas the passage 10 is cut-off from such communication when the valve is closed as shown by Figure 2.
  • valve member 7 may cooperate with the seat 6 in any appropriate manner to effect closure of the valve inlet 3a, but one particularly satisfactory arrangement is shown.
  • the valve seat 6 includes a resilient O-ring 11 or other resilient member retained within a holder 12.
  • the cooperable part of the valve member 7 comprises a relatively fine edge 13 formed at the junction of two relatively sloping surfaces 14 and 15 ( Figure 3). The edge 13 tends to press into the resilient O-ring 11 so as to thereby achieve a fluid tight seal between the member 7 and the seat 6.
  • the resilient member could form part of the member 7 rather than the seat 6 in which event a relatively rigid cooperable member would form part of the seat.
  • a temperature responsive element 16 is located within the body 1 so as to be capable of coacting between part of the body 1 and the valve member 7. It is preferred that the element 16 is connected to the valve member 7 in such a way that the member 7 moves relative to the valve seat 6 in response to extension or contraction of the element 16 as hereinafter described.
  • the element 16 may be of a known kind including a wax or other material which expands with increasing temperature, and a plunger 17 responds to such expansion so as to increase the effective length of the element 16.
  • a collar 18 of the element 16 bears against a surface of a sleeve 19 which is biased by a spring 20 to move away from the valve seat 6.
  • the sleeve 19 may be connected to the valve member 7 in any appropriate fashion to achieve the aforementioned connection between the element 16 and the valve member 7.
  • the plunger 17 bears against a cap member 21 which is adjustable relative to the valve body 1 towards and away from the valve seat 6. Such adjustment permits the valve to be calibrated in a known manner so that the element 16 operates to close the valve at a predetermined temperature.
  • valve member 7 is mounted within the body 1 for relatively sliding movement towards and away from the valve seat 6, and because of the connection with the element 16 the direction of that movement is the same as the direction of movement of the element 16 when that element extends or contracts.
  • the member 7 is preferably biased away from the seat 6 by appropriate means such as a spring 22 which tends to hold the valve in an open condition as shown by Figure 1.
  • a radially outwards step or shoulder 23 is formed on the valve member 7 adjacent its lower end.
  • the step 23 forms an upwardly facing surface against which water flowing inwards through the inlet port 3 impinges to impose a closing force on the valve member 7.
  • the hydraulic thrust imposed on the step 23 by the incoming hot water flow becomes a dominant force and promotes rapid movement of the valve member 7 against the valve seat 6. That is, the hydraulic thrust on the step 23 augments the closing influence imposed on the valve member 7 by the element 16 and therefore assists in avoiding a dangerous situation which might arise if the hot water flow through the valve was not halted quickly.
  • the mixing chamber 5 of the embodiment shown is preferably formed at least in part by an open ended tube 24 which is substantially coaxial with the valve member 7 and contains at least part of the probe portion 25 of the element 16.
  • the probe 25 includes the wax or other heat responsive medium and consequently is best located within the environment which the valve is intended to control.
  • the tube 24 extends into the valve member 7 so that an annular passage 26 is formed between the inner and outer surfaces 27 and 28 of the valve member 7 and the tube 24 respectively ( Figure 4).
  • a further annular passage 29 is formed between the probe 25 and the inner surface 30 of the tube 24, and one or more openings 31 may be provided through an upper end portion of the tube 24 to promote communication between the passages 26 and 29 ( Figure 4).
  • valve 7 will move further away from the seat 6 if the temperature within the mixing chamber 5 falls below the predetermined temperature for which the valve has been calibrated. That is, the valve will automatically adjust to enable a larger flow of hot water into the chamber 5.
  • the top edge of the valve member 7 may be moved against a valve seat 34a ( Figure 4) formed by or at the adjacent lower edge of the closure member 34. Under those circumstances the arrangement may be such that flow of cold water into the chamber 5 is stopped or reduced significantly, perhaps to something in the order of 5% of the flow which would be otherwise permitted.
  • Various other arrangements could be adopted to achieve the same effect.
  • FIG 5 shows an embodiment similar to that of Figures 1 to 4 in which the valve member 7, valve seat 6 and mixing tube 24 form part of a cartridge assembly 33 which can be installed in a pre-existing valve body 1. Such installation may be achieved by removing the closure 34 to expose an opening in the valve body 1 opposite the outlet 4. The element 16 and associated members 19 and 21 are removed with the closure 34 and are replaced after the cartridge assembly 33 has been installed.
  • the cartridge assembly 33 includes a casing 35 which contains the valve seat holder 12 at the lower end of a counter-bored section 36.
  • valve member 7 is also located within the counter-bored section 36 and is retained against separation from the casing 35 by a retaining ring 37 which is attached to the upper end of the casing 35 by a screw thread or other appropriate means.
  • the valve member 7 slides axially within the ring 37 and the ring 37 seals against the internal wall 8 of the valve body 1 to separate the cold and hot water passages 9 and 10.
  • the casing 35 is connected to or formed integral with the closure 34, and in that event the element 16 and associated members 19 and 21 form part of the cartridge assembly 33.
  • a valve including the assembly 33 functions in substantially the same manner as the valve of Figures 1 to 4.
  • Figures 6 and 7 show yet another embodiment of the invention which is substantially the same as that of Figures 1 to 4, but includes two outlets 4 each of which is connectable to any number of delivery points.
  • the valve of Figures 6 and 7 is therefore particularly useful in water reticulation systems in hospitals and other establishments having a large number of locations requiring delivery of water at a controlled temperature.
  • Figure 8 shows another embodiment of the invention which is similar to that of Figure 5 and which includes another form of cartridge assembly 33 suitable for use with a pre-existing valve body 1.
  • the mixing tube 24 as used in any valve in accordance with the invention may be provided with turbulence inducing means so as to promote mixing of the cold and hot water streams, particularly at the inside of the tube 24. Openings 31 as previously referred to serve to induce turbulence in the mixed stream flowing down the inside surface of the tube 24, but alternative or additional turbulence inducing means could be adopted.
  • the turbulence inducing means includes discontinuities, projections, recesses, or two or more of such features, at the inner surface of the tube 24.
  • Figure 9 illustrates one possible form of turbulence inducing means which includes a series of tabs 40 punched or pressed out of the wall of the tube 24 so as to project beyond the inner surface 41 of that wall. Openings 42 are thereby formed through the tube wall and they also contribute to generation of turbulence within the tube 24.
  • the tabs 40 are shown as triangular, but could be of any shape.
  • Figure 10 shows another type of turbulence inducing means including a number of crossed helical grooves 43 formed in the inner surface 41 of the tube 24. In a variation of that arrangement, a series of circumferential grooves may be arranged to cross with a series of axially extending grooves.
  • the turbulence inducing means includes a number of circumferentially extending grooves 44, whereas in the Figure 12 arrangement a number of circumferentially extending ribs 45 function as the turbulence inducing means, or as part of that means.
  • a combination of such grooves and ribs could be used in another tube arrangement.
  • Figure 13 shows yet another arrangement involving the use of alternating projections 41 and recesses 47.
  • a series of such projections and recesses may extend over the entire inner surface of the tube 24 or over only part of that surface.
  • any of the arrangements shown in Figures 9 to 13 could include openings 31 as previously described in addition to the particular features illustrated by those figures. The same applies to any other form of turbulence inducing means as may be adopted. It also needs to be understood that turbulence inducing means could also be provided on the outside of the tube 24. By way of example, in the Figure 13 arrangement that could be achieved by forming the tube wall so that a recess lies behind each projection 46 and an outward projection lies behind each recess 47.
  • Figure 14 shows yet another form of valve incorporating an aspect of the invention which is not included in the prior described valve constructions.
  • the valve shown by Figure 14 does not include a feature equivalent, in either form or function, to the step 23 of the valve constructions previously described. It is to be understood however, that such a step, or a functional equivalent, could be included in a variation of the valve shown by Figure 14.
  • the Figure 14 valve does not include a mixing tube similar to the tube 24 of the previously described valves, such a tube could be included in a variation of the valve shown by Figure 14.
  • Components and features of the Figure 14 valve which correspond to components and features of the previously described valves will be given like reference numerals except they will be in the number series 100 to 199.
  • the valve body 101 has a cold water inlet port 102, a hot water inlet port 103, and an outlet port 104.
  • the inlet ports 102 and 103 communicate with a mixing chamber 105 in a manner similar to the previously described valves, but there are differences in detail as hereinafter explained because the valve member 107 has a function additional to the function of the valve member of the previously described valves.
  • valve member 107 can adopt any one of the following conditions:
  • valve member 107 has an upper part 150 which is in the form of a cylindrical tube, and a lower part 151 which is also of cylindrical tubular form but of similar diameter than the part 150.
  • the parts 150 and 151 are interconnected through a web 152 having one or more openings 153 to permit the passage of water from the mixing chamber 105 to the outlet port 104.
  • At least one transverse opening 154 is formed through the wall of the upper part 150 at a location and for a purpose hereinafter described.
  • a plurality of openings 154 preferably extends in circumferentially spaced relationship around the port 150, and the size of each opening 154 may be related to the size and location of the hot water inlet referred to below.
  • the valve member 107 is slidable axially within an internal wall 155 of the valve, and in the particular arrangement shown that wall 155 is formed by a cylindrical tubular skirt depending from and forming part of a closure 134.
  • a cold water inlet 102a and a hot water inlet 103a are formed through the wall 105 as shown.
  • Each of those inlets may comprise a plurality of openings of suitable shape and size arranged in circumferentially spaced relationship around the wall 155.
  • the inlets 102a and 103a are preferably positioned adjacent the top and bottom respectively of the wall 155.
  • circumferentially continuous seals 156 and 157 are provided on the inside of the wall 155 at locations above and below respectively the inlet 103a. Those seals function as valve seats as hereinafter described. Similar seals 158 and 160, each of which also functions as a valve seat, are provided above and below the inlet 102a as shown. It is to be understood that other forms of valve seats may be adopted to achieve the functional result hereinafter described.
  • a temperature responsive element 116 of a known kind is located within the valve body 101 so as to be exposed to the mixing chamber 105, and the element 116 is connected to the valve member 107 so as to be operative to control the axial position of that member relative to the inlets 102a and 103a.
  • That connection can be achieved in any suitable manner, including an abutting relationship which, by way of example, is retained by means of a spring or other biasing means.
  • the connection could be of a permanent nature, or of a releasable nature such as that achieved through engagement of cooperable screw threads.
  • a biasing spring 159 acts between the valve body 101 and the element 116 so as to urge the element 116, and consequently the connected valve member 107, upwards.
  • the valve shown by Figure 14 functions in the following manner. In the condition shown by Figure 14, both incoming cold and hot fluid streams can enter the mixing chamber 105 by way of the respective inlets 102a and 103a. If the temperature of the mixed flow passing over the element 116 exceeds a predetermined temperature the element 116 will respond by extending its effective length in a known manner and thereby push the valve member 107 downwards against the action of the biasing spring 159.
  • the hot water inlet 102a remains open. As a consequence the hot water flow is able to raise the temperature within the chamber 105 to an acceptable level.
  • valve is so arranged that the spring 159 forces the valve member 107 further upwards to the position shown by Figure 17 at which both inlets 102a and 103a are closed because each of the seals 156, 157, 158 and 160 is engaged by a non-apertured part of the valve member 107. That has the benefit of preventing excessively cold flow through the outlet port 104, which in some circumstances could be dangerous or at least uncomfortable to a person receiving water from the outlet 104.
  • the Figure 17 condition will also be achieved if the element 116 ruptures or otherwise fails.
  • Figure 18 shows another valve which is in many respects the same as that of Figure 14, but employs the cartridge type of construction as described above in connection with Figures 5 and 8.
  • the cartridge assembly 133 includes a casing 135 which may be formed integral with or connected to the closure 134.
  • the internal wall 154 forms part of the casing 135.
  • the Figure 18 valve also differs from that of Figure 14 in that it includes a mixing tube 124. That tube can be constructed and arranged as herein described in connection with any one of Figures 1 to 13.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Temperature-Responsive Valves (AREA)
  • Multiple-Way Valves (AREA)

Abstract

Clapet mélangeur servant à mélanger des courants d'eau chaude et froide en entrée, et à réguler la température du courant mixte s'écoulant par une voie de sortie (4) du clapet. Les courants d'eau chaude et froide pénètrent dans une chambre de mélange (5) par des voies d'entrée respectives (3a, 2a), et le clapet comprend un élément de clapet (7) monté à l'intérieur du corps de clapet (1) et adapté pour se déplacer par rapport à un siège (34a) de la voie d'entrée de l'eau froide et un siège (6) de la voie d'entrée de l'eau chaude. La disposition est telle que l'élément de clapet (7) peut venir au contact de l'un ou l'autre de ces sièges (34a, 6) et se rapproche de l'un tout en s'éloignant de l'autre. Un épaulement saillant (23) formé sur l'élément de clapet (7) est soumis au courant d'eau chaude en entrée de sorte que les conditions de ce courant impriment une force de fermeture à l'élément de clapet (7) pour le pousser vers le siège (6) de la voie d'entrée d'eau chaude. Un tube mélangeur (24) mis en communication avec la chambre de mélange (5) est pourvu d'orifices transversaux (31) par lesquels l'eau chaude vient s'ajouter au courant d'eau mixte traversant l'intérieur du tube (24) et provenant de la chambre de mélange (5). Le clapet peut être adapté pour obturer l'une ou l'autre des voies d'entrée (2a, 3a) tout en libérant l'autre, ou pour obturer les deux voies d'entrée (2a, 3a), par exemple en cas de défaillance de l'élément (16) sensible à la température.
PCT/AU1997/000116 1996-02-29 1997-02-28 Clapet melangeur sensible aux conditions de pression d'entree Ceased WO1997032147A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18613/97A AU1861397A (en) 1996-02-29 1997-02-28 Mixing valve responsive to inlet pressure conditions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPN8361A AUPN836196A0 (en) 1996-02-29 1996-02-29 Mixing valve
AUPN8361 1996-02-29

Publications (1)

Publication Number Publication Date
WO1997032147A1 true WO1997032147A1 (fr) 1997-09-04

Family

ID=3792674

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1997/000116 Ceased WO1997032147A1 (fr) 1996-02-29 1997-02-28 Clapet melangeur sensible aux conditions de pression d'entree

Country Status (3)

Country Link
AU (1) AUPN836196A0 (fr)
WO (1) WO1997032147A1 (fr)
ZA (1) ZA971780B (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006126222A1 (fr) * 2005-05-25 2006-11-30 Artis S.A.S. Di Ottelli Carlo Vanne melangeuse d'eau chaude et froide
GB2429758A (en) * 2005-07-19 2007-03-07 Gsa Ind Thermostatic mixing valve
US7744007B2 (en) 2004-11-01 2010-06-29 Honeywell International Inc. Thermostatic mixing valves and systems
US8074894B2 (en) 2008-11-18 2011-12-13 Honeywell International Inc. Secondary mixing valve hot port
US8544760B2 (en) 2001-08-24 2013-10-01 Magarl, Llc Mixing valve
US8733666B2 (en) 2008-11-18 2014-05-27 Honeywell International Inc. Thermostatic mixing valve with tamper resistant adjustment feature
US9504970B2 (en) 2011-10-22 2016-11-29 Magarl, Llc Methods and apparatus for creating turbulence in a thermostatic mixing valve
US10025326B2 (en) 2012-08-30 2018-07-17 Riobel Inc. Thermostatic mixer valve
WO2020173671A1 (fr) * 2019-02-26 2020-09-03 Grohe Ag Cartouche de mélange pourvu d'un élément vortex
DE102019129058A1 (de) * 2019-10-28 2021-04-29 Grohe Ag Mischkartusche mit keilförmigen Wirbelkörpern

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082219A (en) * 1976-10-29 1978-04-04 Robertshaw Controls Company Fluid mixing valve construction and method of making the same
DE2839326C2 (de) * 1978-09-09 1982-09-23 H.D. Eichelberg & Co Gmbh, 5860 Iserlohn Mischventil für sanitäre Anlagen
AU1717883A (en) * 1982-08-02 1984-02-09 Robertshaw Controls (Australia) Pty Ltd Thermostatically controlled mixing valve
AU2854484A (en) * 1983-05-23 1984-11-29 Prema Controls Pty. Ltd. Temperature responsive mixing valve
US5011074A (en) * 1990-07-20 1991-04-30 Lawler Manufacturing Co., Inc. Thermostatic mixing valve with thermostat failure compensation
AU6623990A (en) * 1989-10-23 1991-05-16 Fm Mattsson Ab A mixer valve
GB2246188A (en) * 1990-07-11 1992-01-22 Caradon Mira Ltd Thermostatic mixer for water supply installations
AU1191192A (en) * 1991-02-01 1992-09-07 Fm Mattsson Ab A mixer valve regulating unit, and a regulating unit piston slide
AU2325192A (en) * 1991-07-15 1993-02-23 Gsa Industries (Aust.) Pty Ltd Tempering valve
AU6571796A (en) * 1995-09-21 1997-03-27 Macrifin S.P.A. Anti-limescale thermostatic mixer

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082219A (en) * 1976-10-29 1978-04-04 Robertshaw Controls Company Fluid mixing valve construction and method of making the same
DE2839326C2 (de) * 1978-09-09 1982-09-23 H.D. Eichelberg & Co Gmbh, 5860 Iserlohn Mischventil für sanitäre Anlagen
AU1717883A (en) * 1982-08-02 1984-02-09 Robertshaw Controls (Australia) Pty Ltd Thermostatically controlled mixing valve
AU2854484A (en) * 1983-05-23 1984-11-29 Prema Controls Pty. Ltd. Temperature responsive mixing valve
AU6623990A (en) * 1989-10-23 1991-05-16 Fm Mattsson Ab A mixer valve
GB2246188A (en) * 1990-07-11 1992-01-22 Caradon Mira Ltd Thermostatic mixer for water supply installations
US5011074A (en) * 1990-07-20 1991-04-30 Lawler Manufacturing Co., Inc. Thermostatic mixing valve with thermostat failure compensation
AU1191192A (en) * 1991-02-01 1992-09-07 Fm Mattsson Ab A mixer valve regulating unit, and a regulating unit piston slide
AU2325192A (en) * 1991-07-15 1993-02-23 Gsa Industries (Aust.) Pty Ltd Tempering valve
AU6571796A (en) * 1995-09-21 1997-03-27 Macrifin S.P.A. Anti-limescale thermostatic mixer

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9081392B2 (en) 2001-08-24 2015-07-14 Magarl, Llc Mixing valve
US10216203B2 (en) 2001-08-24 2019-02-26 Magarl, Llc Mixing valve
US10678277B2 (en) 2001-08-24 2020-06-09 Magarl, Llc Mixing valve
US8544760B2 (en) 2001-08-24 2013-10-01 Magarl, Llc Mixing valve
US9625920B2 (en) 2001-08-24 2017-04-18 Magarl, Llc Mixing valve
US7744007B2 (en) 2004-11-01 2010-06-29 Honeywell International Inc. Thermostatic mixing valves and systems
WO2006126222A1 (fr) * 2005-05-25 2006-11-30 Artis S.A.S. Di Ottelli Carlo Vanne melangeuse d'eau chaude et froide
GB2429758B (en) * 2005-07-19 2011-03-09 Gsa Ind Thermostatic mixing valve
GB2429758A (en) * 2005-07-19 2007-03-07 Gsa Ind Thermostatic mixing valve
US8733666B2 (en) 2008-11-18 2014-05-27 Honeywell International Inc. Thermostatic mixing valve with tamper resistant adjustment feature
US8074894B2 (en) 2008-11-18 2011-12-13 Honeywell International Inc. Secondary mixing valve hot port
US9504970B2 (en) 2011-10-22 2016-11-29 Magarl, Llc Methods and apparatus for creating turbulence in a thermostatic mixing valve
US10376849B2 (en) 2011-10-22 2019-08-13 Magarl, Llc Methods and apparatus for creating turbulence in a thermostatic mixing valve
US10025326B2 (en) 2012-08-30 2018-07-17 Riobel Inc. Thermostatic mixer valve
WO2020173671A1 (fr) * 2019-02-26 2020-09-03 Grohe Ag Cartouche de mélange pourvu d'un élément vortex
US11680656B2 (en) 2019-02-26 2023-06-20 Grohe Ag Mixing cartridge having a vortex element
DE102019129058A1 (de) * 2019-10-28 2021-04-29 Grohe Ag Mischkartusche mit keilförmigen Wirbelkörpern
WO2021083576A1 (fr) * 2019-10-28 2021-05-06 Grohe Ag Cartouche de mélangeur comprenant des corps tourbillonnaires en forme de coin
JP2023501190A (ja) * 2019-10-28 2023-01-18 グローエ アクチエンゲゼルシャフト 楔形の渦体を備えた混合カートリッジ
US11796072B2 (en) 2019-10-28 2023-10-24 Grohe Ag Mixing cartridge with wedge-shaped vertebral bodies

Also Published As

Publication number Publication date
ZA971780B (en) 1997-10-16
AUPN836196A0 (en) 1996-03-21

Similar Documents

Publication Publication Date Title
US7845574B2 (en) Cartridge for a mixer faucet, faucet comprising a cartridge of this type, and thermostatic assembly to be fitted together with this cartridge
US7240850B2 (en) Thermostatic mixing valve
US4767052A (en) Thermostatically self-regulating mixing valve
US5647531A (en) Thermostatic control valve system for use in emergency shower and eyewash systems
US5148976A (en) Thermostatic mixing valve
US6508406B1 (en) Fail-safe proportional mixing valve
US5803354A (en) Temperature responsive fluid flow controllers
CA2401988C (fr) Robinet melangeur
AU2001241781A1 (en) Mixing valve
US5988514A (en) Apparatus for controlling fluid temperature
WO1997032147A1 (fr) Clapet melangeur sensible aux conditions de pression d'entree
EP0740808B1 (fr) Mitigeur thermostatique
US5584432A (en) Anti-scald valve with shape memory alloy actuator
US6604687B2 (en) Thermal fluid control valve
EP0767332B1 (fr) Mitigeur thermostatique non-entartrant
EP0448315A2 (fr) Vanne de mélange thermostatique
GB2329691A (en) Thermostatic mixing valve
US4509677A (en) Mixing valve
JPH0131071B2 (fr)
JP3482375B2 (ja) 湯水供給用制御弁
AU767118B2 (en) Fail-safe proportional mixing valve
JP2001165336A (ja) 高温出湯防止弁
JPH09280416A (ja) 混合水栓
NZ258910A (en) Mixing valve with a venturi nozzle and a slidable control needle
JP3482376B2 (ja) 湯水供給用制御弁

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN YU AM AZ BY KG KZ MD RU TJ TM

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

NENP Non-entry into the national phase

Ref country code: JP

Ref document number: 97530467

Format of ref document f/p: F

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA