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WO2004065286A1 - Reducteur thermosensible pour systemes de distribution de boisson - Google Patents

Reducteur thermosensible pour systemes de distribution de boisson Download PDF

Info

Publication number
WO2004065286A1
WO2004065286A1 PCT/EP2003/014988 EP0314988W WO2004065286A1 WO 2004065286 A1 WO2004065286 A1 WO 2004065286A1 EP 0314988 W EP0314988 W EP 0314988W WO 2004065286 A1 WO2004065286 A1 WO 2004065286A1
Authority
WO
WIPO (PCT)
Prior art keywords
reducing valve
thermo
pressure
sensitive
temperature
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/EP2003/014988
Other languages
English (en)
Inventor
Carlo Maria Pensa
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.)
ODL SRL
Original Assignee
ODL SRL
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 ODL SRL filed Critical ODL SRL
Priority to AU2003296753A priority Critical patent/AU2003296753A1/en
Publication of WO2004065286A1 publication Critical patent/WO2004065286A1/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
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
    • G05D16/0647—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using one membrane without spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
    • B67D1/1252—Gas pressure control means, e.g. for maintaining proper carbonation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/0616—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a bellow
    • G05D16/0619—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a bellow acting directly on the obturator
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0636—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane characterised by the loading device of the membrane, e.g. spring

Definitions

  • the pressure regulators which provide for delivering the gas used to maintain the beverage gassing and to push the same beverage from the barrel to the delivery cock, are elements of great importance.
  • the usually employed gases are carbon dioxide or nitrogen, or mixtures composed by these gases.
  • the first one concerns the fact that the sensible element is normally placed directly in contact with the reduced pressure fluid so, when the delivery becomes continuous and plentiful, there is a temperature drop in the system because of the expansion in the pressure reducer, and consequently the reference temperature signal and the pressure are offset.
  • the second one concerns the requirement of mechanical constructions with very strict tolerances, as the sensible element rarely has a considerable range.
  • a device having two separate chambers for the gas expansion and for the control by the sensible element, said two chambers being also mutually connected by an adjustable system which allows the arrangement of constructive differences.
  • thermo-sensitive pressure reducing valve according to the present invention will be better described in greater detail in the following description of two illustrative and not limiting embodiments of the invention, with reference to the annexed drawings, wherein:
  • Figure 1 is a sectional view of the first embodiment
  • Figure 2 is a sectional view of the second embodiment
  • Figure 3 is a frontal view of the embodiment shown in Figure 2.
  • FIG. 1 shows the first embodiment of the pressure reducing valve
  • the reducing body which comprises the high pressure inlet conduits 2 and the reduced pressure outlet conduits 3, the expansion chamber 4 and the reduction valve 5 seat, consisting of a valve body closed by a filter 6 which blocks the jacket 7 opposing the gasket 8, on which seals the pin 9, contrasted by the spring 10.
  • Said reduction valve 5 opens the gas passage from the conduit 2 to the chamber 4 when the pin 9 is pushed down and closes in opposite direction.
  • the reducing body is then closed with the cap 11 by the screws 12 and seals the gasket 13; said cap 11, which can comprise in particular some fins 14, is provided with an internally drilled threaded pin 15, on which through the thread 16 the thermo-sensitive system basement 17 is screwed, then fixed by the lock nut 18. Between the pin 15 and said basement 17 there is the sealing gasket 19.
  • the sensible element 21 is then fixed, comprising an external envelope 22 and an internal bellows 23 containing the gaseous element 24, which may consist of such a mixture of different gases that a related internal pressure suitable for the operation corresponds to each temperature.
  • the ball 25 closes the same element's charging hole, inside the threaded pin 15, while the control pin 27, which makes contact between the sensible bellows element 23 and the reduction valve 5, slides inside the hole 26; clearly said pin 27 does not seal into the hole but allows the balance between the pressure in the chamber 4 and in the chamber 28, being that chamber 28 formed between the sensible element 23 and the thermo-sensitive system basement 17.
  • the present embodiment allows the easy setting of the clearances due to the mechanical construction and to the different configurations of the reducing valves.
  • thermo-sensitive reduction valve body can be directly placed into the head body or can be directly connected to said body by a thread or in other way without falling out from the general conception of the invention.
  • the tapping head is generally indicated, which is fastened to the relating tap placed in the barrel (not shown in figure) where the beverage to be tapped is contained.
  • the pressure reducing valve 31 is placed at the inlet gas conduit, with the reducing valve 32, the safety valve 33, the high pressure gauge 34, the inlet gas line 35, from the gas bottle or- from a primary reducing valve, and with the connection 36 for the thermo-sensitive element always placed in a separate chamber from the expansion chamber 38; the regulated pressure gas inlet conduit 39 to the tapping head could have check valves not shown in the drawing.
  • Said solution comprises the invention advantages and allows to measure with better precision the temperature inside the barrel.

Landscapes

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

Abstract

L'invention concerne un réducteur thermosensible, en particulier pour un gaz utilisé pour la distribution d'une boisson, qui comprend un corps de réduction comportant des conduits d'entrée haute pression et des conduits de sortie à pression régulée, et une soupape de réduction de pression réagissant à la température de sorte qu'une pression de gaz de distribution corresponde à chaque température, cela pour que la quantité de gaz dissous dans la boisson soit maintenue constante. Cette soupape de réduction de pression comprend deux chambres séparées, une pour la détente du gaz de distribution et une pour la commande l'élément sensible, à savoir par un mélange gazeux thermosensible. Lesdites chambres sont placées sur le même axe et peuvent être rapprochées ou éloignées l'une de l'autre pour le réglage de l'espacement, et l'élément sensible ne subit pas l'influence de la température régnant dans la chambre de détente du gaz de distribution. Ce mode de réalisation permet également de remplacer facilement et rapidement le couvercle d'un réducteur classique par un couvercle comprenant l'élément thermosensible selon la présente invention.
PCT/EP2003/014988 2003-01-23 2003-12-31 Reducteur thermosensible pour systemes de distribution de boisson Ceased WO2004065286A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003296753A AU2003296753A1 (en) 2003-01-23 2003-12-31 Thermo-sensitive pressure reducing valve for beverage distribution systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2003A000098 2003-01-23
IT000098A ITMI20030098A1 (it) 2003-01-23 2003-01-23 Riduttore di pressione termosensibile per impianti di distribuzione di bevande.

Publications (1)

Publication Number Publication Date
WO2004065286A1 true WO2004065286A1 (fr) 2004-08-05

Family

ID=32750485

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/014988 Ceased WO2004065286A1 (fr) 2003-01-23 2003-12-31 Reducteur thermosensible pour systemes de distribution de boisson

Country Status (3)

Country Link
AU (1) AU2003296753A1 (fr)
IT (1) ITMI20030098A1 (fr)
WO (1) WO2004065286A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490311A1 (fr) * 1980-09-16 1982-03-19 Gheest Brasserie Detendeur
DE3429299A1 (de) * 1983-12-23 1985-07-04 V.S.H.-Fabrieken N.V., Hilversum Verfahren zum zapfen von einem getraenk mittels eines treibgases das zum teil darin aufgeloest ist, sowie zapfanlage unter anwendung des verfahrens
FR2573410A1 (fr) * 1984-11-16 1986-05-23 Kronenbourg Brasseries Regulateur automatique de pression de gaz carbonique pour installation de tirage de biere a la pression
US5174326A (en) * 1991-02-08 1992-12-29 Dragerwerk Aktiengesellschaft Temperature-compensated pressure regulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490311A1 (fr) * 1980-09-16 1982-03-19 Gheest Brasserie Detendeur
DE3429299A1 (de) * 1983-12-23 1985-07-04 V.S.H.-Fabrieken N.V., Hilversum Verfahren zum zapfen von einem getraenk mittels eines treibgases das zum teil darin aufgeloest ist, sowie zapfanlage unter anwendung des verfahrens
FR2573410A1 (fr) * 1984-11-16 1986-05-23 Kronenbourg Brasseries Regulateur automatique de pression de gaz carbonique pour installation de tirage de biere a la pression
US5174326A (en) * 1991-02-08 1992-12-29 Dragerwerk Aktiengesellschaft Temperature-compensated pressure regulator

Also Published As

Publication number Publication date
AU2003296753A1 (en) 2004-08-13
ITMI20030098A1 (it) 2004-07-24

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