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WO2018220243A1 - Soupape de changement de pression - Google Patents

Soupape de changement de pression Download PDF

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Publication number
WO2018220243A1
WO2018220243A1 PCT/ES2018/070345 ES2018070345W WO2018220243A1 WO 2018220243 A1 WO2018220243 A1 WO 2018220243A1 ES 2018070345 W ES2018070345 W ES 2018070345W WO 2018220243 A1 WO2018220243 A1 WO 2018220243A1
Authority
WO
WIPO (PCT)
Prior art keywords
pair
valve
chamber
openings
opening
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/ES2018/070345
Other languages
English (en)
Spanish (es)
Inventor
Gabriel Roig Santandreu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2018220243A1 publication Critical patent/WO2018220243A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/22—Rotary-piston machines or engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/22—Rotary-piston machines or pumps of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves

Definitions

  • the present invention relates to a pressure exchange valve, which allows fluids to be exchanged at different pressures, which results in energy savings in certain hydraulic circuits.
  • valve capable of exchanging pressures between two fluids at different pressures, for example for a 1 Bar fluid with one at 200 Bar, which is useful in hydraulic circuits, for example in circuits that drive a motor or hydraulic piston, etc., in such a way that this function must be implemented with a set of valves or pumps, and if said set of valves has for example a capacity or flow 5 l / m and we want a pressure of 200 bar, with the systems current we would need 1 .1 kw.
  • the pressure exchange valve of the invention has a configuration that solves the technical problem posed.
  • the valve comprises:
  • a rotary shutter in general triangular equilateral prismatic form, whose lateral edges are in contact with the walls of the chamber to generate three mobile subchambers inside the chamber when the shutter is rotated, for which the agreements are rounded the two circles of the section, and provided in its interior with a longitudinal cavity of circular section in whose perimeter a first gear is formed,
  • first pair of openings comprising a first intake opening and a first exhaust opening
  • second pair of openings comprising a second intake opening and a second exhaust opening
  • first pair disposed on one side (intersection zone of the two circles of the chamber section) of the chamber and the second pair facing the first pair
  • each intake opening of a pair arranged before each exhaust opening of the opposite pair being in an offset (angular amplitude) equal in both cases, since between each intake opening of a pair and each exhaust opening of the opposite pair are defined hydraulic fluid flows
  • the camera is divided into three sub-chambers, so that two of them simultaneously pass through the area where the pairs of openings are arranged, one of said two sub-chambers in the admission cycle and the other in the expulsion cycle.
  • Said subchambers are filled by the two intake openings and once the intake opening is closed to the passage of the lateral edge of the shutter and before the expulsion is opened, it is when the high pressure circuit is opened through its flow regulator (at the time the fluid is isolated); when the expulsion is opened, by exchanging two fluids with different pressures in an undeformable chamber, the low pressure fluid has been placed at high pressure.
  • the pressure exchange valve it is possible to capture a flow at atmospheric pressure and only generate a pressure (for example 200 bar) for approximately 10% of the flow we need - with the consequent energy saving -, and when introducing the two fluids in an undeformable chamber - one at atmospheric pressure and the other at high pressure, with 0.7% compressibility that for example have oleohydraulic fluids, with 9% of liquid that will help us complete the rotation of the valve we will obtain a much higher flow rate (for example 5 l / m) at 200 bar with a minimum mechanical stress, for example 0.2 kw.
  • a pressure for example 200 bar
  • valve of the invention can be applied to any circuit that drives a motor or hydraulic piston.
  • Figure 1 shows a cross section of the valve of the invention
  • Figure 2 shows a longitudinal section of the valve of the invention
  • Figure 3 shows a schematic view of the coupling of nine valves of the invention on the same axis, where each valve is advanced 20 degrees from the previous one.
  • the pressure exchanger valve (1) of the invention comprises (see fig. 1):
  • a rotary shutter (3) generally equilateral triangular prismatic, whose lateral edges (30) are in contact with the walls of the chamber (2) to generate three sub-chambers (22, 23, 24) movable inside the chamber (2), and provided inside with a longitudinal cavity (31) of circular section, in which perimeter a first gear (32) is formed,
  • first pair (5) of openings comprising a first intake opening (50) and a first exhaust opening (51), and a second pair (6) of openings comprising a second intake opening (60) and a second exhaust opening (61);
  • first pair (5) being arranged on one side of the chamber (2) and the second pair (6) on the side facing the chamber (2); each intake opening (50, 60) of each pair (5, 6) being arranged before each escape opening (51, 61) of the opposite pair in an equal offset in both cases, since between each intake opening of a torque and each exhaust opening of the opposite torque are defined hydraulic fluid flows,
  • the offset between the intake openings (50, 60) of each pair (5, 6) and the exhaust openings (51, 61) of the opposite pair is between 180 and 140, since in this way a better operation of the valve, and most preferably said offset is 150 degrees.
  • the lateral faces (35) of the rotating shutter (3) are preferably convex, since this improves the thrusts of the flow against the shutter and vice versa.
  • flow regulators (8) can be arranged which are arranged in the ducts (7) to regulate or block the flow.
  • the valve (1) is associated with a plurality of additional equal valves (1), whose drive shafts (4) are connected, said valves being angularly offset, that is, their shutters (3) rotated with respect to the preceding and subsequent valve.
  • said angular offset is 20 degrees, requiring 9 valves to cover 180 degrees, and as there are two symmetrical chambers working, the 360 degrees of a turn. This prevents the recoil due to the resistance generated by any equipment connected to the exhaust openings since a constant high pressure would be maintained in the assembly connected by the same axis. In any case, it can be done with different offsets and interconnected valves.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

Selon l'invention, une soupape (1) de changement de pression comprend: une chambre (2) prismatique avec une section en forme de deux cercles (20, 21) qui se croisent ; un obturateur (3) rotatif prismatique triangulaire équilatéral avec des arêtes (30) latérales en contact avec les parois de la chambre (2), et pourvu dans sa partie interne d'une cavité (31) longitudinale de section circulaire dans le périmètre duquel est formé un premier engrenage (32) ; un axe d'actionnement (4) axial de l'obturateur (3) disposé à l'intérieur de la cavité (31), pourvu d'un second engrenage (42) pour s'accoupler au premier engrenage (32) ; une première paire (5) d'ouvertures avec une première ouverture d'admission (50) et une première ouverture d'évacuation (51), et une seconde paire (6) d'ouvertures avec une seconde ouverture d'admission (60) et une seconde ouverture d'évacuation (61) ; des conduits (7) pour raccorder la soupape (1) à un système hydraulique (80).
PCT/ES2018/070345 2017-05-30 2018-05-09 Soupape de changement de pression Ceased WO2018220243A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201730633U ES1185287Y (es) 2017-05-30 2017-05-30 Valvula intercambiadora de presion
ESU201730633 2017-05-30

Publications (1)

Publication Number Publication Date
WO2018220243A1 true WO2018220243A1 (fr) 2018-12-06

Family

ID=59014856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2018/070345 Ceased WO2018220243A1 (fr) 2017-05-30 2018-05-09 Soupape de changement de pression

Country Status (2)

Country Link
ES (1) ES1185287Y (fr)
WO (1) WO2018220243A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371654A (en) * 1965-11-13 1968-03-05 Rolls Royce Compound rotary piston type internal combustion engine
US3783615A (en) * 1970-10-29 1974-01-08 C Hubers Expansion engine
US3883273A (en) * 1971-10-29 1975-05-13 Copeland Corp Rotary chamber-type compressor
GB2215403A (en) * 1988-03-10 1989-09-20 Hydrovane Compressor Rotary compressors
JPH08219309A (ja) * 1995-02-08 1996-08-30 Kobe Giken:Kk 流体等量分配バルブ
WO2016009197A1 (fr) * 2014-07-17 2016-01-21 Epitrochoidal Compressors Ltd Compresseur de type épitrochoïde

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371654A (en) * 1965-11-13 1968-03-05 Rolls Royce Compound rotary piston type internal combustion engine
US3783615A (en) * 1970-10-29 1974-01-08 C Hubers Expansion engine
US3883273A (en) * 1971-10-29 1975-05-13 Copeland Corp Rotary chamber-type compressor
GB2215403A (en) * 1988-03-10 1989-09-20 Hydrovane Compressor Rotary compressors
JPH08219309A (ja) * 1995-02-08 1996-08-30 Kobe Giken:Kk 流体等量分配バルブ
WO2016009197A1 (fr) * 2014-07-17 2016-01-21 Epitrochoidal Compressors Ltd Compresseur de type épitrochoïde

Also Published As

Publication number Publication date
ES1185287Y (es) 2017-09-11
ES1185287U (es) 2017-06-14

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