US2725183A - Valves for reciprocating compressors - Google Patents

Valves for reciprocating compressors Download PDF

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US2725183A
US2725183A US205411A US20541151A US2725183A US 2725183 A US2725183 A US 2725183A US 205411 A US205411 A US 205411A US 20541151 A US20541151 A US 20541151A US 2725183 A US2725183 A US 2725183A
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Prior art keywords
valve
plate
cylinder
suction
valves
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Expired - Lifetime
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US205411A
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Hanson Lars
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Carrier Corp
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Carrier Corp
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
    • 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
    • F16K15/14—Check valves with flexible valve members
    • F16K15/1402—Check valves with flexible valve members having an integral flexible member cooperating with a plurality of seating surfaces
    • 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
    • F16K15/14—Check valves with flexible valve members
    • F16K15/16—Check valves with flexible valve members with tongue-shaped laminae
    • F16K15/162—Check valves with flexible valve members with tongue-shaped laminae with limit stop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y10T137/7839—Dividing and recombining in a single flow path
    • Y10T137/784—Integral resilient member forms plural valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7858—With means for selecting area of valve or seat
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7879—Resilient material valve
    • Y10T137/7888—With valve member flexing about securement
    • Y10T137/7891—Flap or reed
    • Y10T137/7892—With stop

Definitions

  • This invention relates to valves of the flapper type for gaseous compressors and more particularly to valves of the flapper type employed as discharge or suction valves for reciprocating compressors.
  • the chief object of the present invention is to provide a valve of the flapper type for use with the reciprocating compressor which provides a substantial improvement in efficiency and which permits a lower noise level to be obtained.
  • An object of the present invention is to provide a valve of the flapper type which can be manufactured at a low cost and which provides an increased valve area.
  • This invention relates to a reciprocating compressor having a cylinder, a cylinder head, and a valve plate placed between the cylinder and the cylinder head.
  • the head is provided with a partition which cooperates with the plate to form a discharge compartment and a suction compartment.
  • a discharge valve is mounted on the head side of the valve plate in the discharge compartment and serves to close ports through the plate.
  • the discharge valve contains a base which is secured to the plate; three flexible fingers project from the base, each finger terminating in a head portion which closes the port.
  • a suction valve is placed adjacent the opposite side of the plate and closes ports in the plate leading to the suction compartment.
  • the suction valve also includes a base which serves to hold the valve in place adjacent the plate; three flexible fingers project from the base at an angle to each other.
  • each finger terminates in a disk or head portion which closes a port through the plate.
  • each disk portion of the suction valve is provided with a projection or protuberance which seats in a recess in the cylinder deck to prevent movement of the valve beyond a desired range; preferably, a stop member is provided to prevent movement of the discharge valve beyond a desired range.
  • Figure 1 is a fragmentary view, partly in elevation and partly in section, of a reciprocating compressor illustrating the valve plate assembly;
  • Figure 2 is a plan view of the valve plate and discharge valve in position thereon;
  • Figure 3 is a sectional view taken on the line III--III of Figure 2.
  • Figure 4 is a plan view of the suction valve in position in the assembly.
  • a reciprocating compressor containing a cylinder 2, a cylinder head 3 and a valve plate 4 placed between the cylinder head 3 and the cylinder 2.
  • the cylinder head 3 contains a partition 5 which cooperates with the valve plate to form two compartments 6 and 7 in head 3.
  • Valve plate 4 contains suction openings 8 and 9 and suction ports 10.
  • the suction ports and the suction openings are formed in the base of compartment 7, suction ports 10 connecting compartment 7 with the cylinder 2.
  • a discharge opening 11 and discharge ports 12 extend through plate 4 in compartment 6 connecting cylinder 2 with the compartment.
  • Discharge valve 13 is provided to close ports 12.
  • Discharge valve 13 consists of a base 14 having three similar, flexible fingers 15 extending therefrom. Each of the fingers 15 terminates in adisk-like head portion 16 which serves to close port 12.
  • a stop 17 is placed above valve 13.
  • Stop 17 consists of a base 18 having three fingers 19 extending therefrom above the fingers 15 of valve 13.
  • Valve 13 and stop 17 are mounted on plate 4 and are secured to plate 4 by suitable fastening members 20.
  • Suction valve 21 On the opposite side of plate 4 is provided a suction valve 21 which serves to close ports 10 extending through plate 4.
  • Suction valve 21 consists of a base 22 having three similar, flexible fingers 23 extending therefrom at an angle to each other. The fingers 23 terminate in disk or head portions 24 which serve to close ports 10 extending through plate 4.
  • a spring 25 may be provided to hold suction valve 21 in place closing ports 10.
  • Valve 21 is supported by pins 26 extending from the cylinder deck 27.
  • recesses 28 are provided on the opposite side of the cylinder from pins 26.
  • Each disk 24 is provided with a projection or protuberance 29 which is integral therewith and which serves as a stop to engage the bottom wall of recess 28 when the valve is drawn a predetermined distance from plate 4.
  • piston 31 in cylinder 2 is drawn downward thereby creating less pressure in the cylinder compartment than exists in compartment 7, permitting the gas in compartment 7 to force valve 21 away from ports 10 topermit gases in compartment 7 to be drawn within the cylinder.
  • Piston 31 is raised, increasing pressure in the cylinder and forcing valves 21 to close and valves 13 to open. Stops 17 prevent opening of valves 13 beyond a predetermined point.
  • the compressed gases then enter compartment 6 and pass therefrom through opening 11 to a condenser (not shown) of a refrigeration system. Suction gas returning from the evaporator of the refrigeration system enters the cylinder through openings 8 and 9. It is not deemed necessary to illustrate the refrigeration circuit since such systems are well known in the industry.
  • the present invention provides a simple, economical valve arrangement for a reciprocating compressor. It provides increased efficiency because of an increased valve area and greatly reduces the noise involved in the operation of the valves. Noise is reduced because it is possible to operate with a lower lift than is customary in conventional valve construction.
  • a reciprocating compressor having a cylinder containing a deck recess, a cylinder head having two compartments formed therein, and a ported valve plate placed between the cylinder and the cylinder head, of a discharge 'valve connected on the head side of the plate in one compartment
  • said discharge valve including a base adapted to be secured to the plate and three similar, flexible, finger-like means projecting from the base, each finger-like member terminating in a disk portion adapted to close a port through the plate, a stop adjacent said discharge valve to prevent movement of the finger-like members of the discharge valve beyond a desired range of movement, and a suction valve connected adjacent the cylinder side of the plate, said suction valve including a base adapted to secure the suction valve in place adjacent the plate, three similar, flexible, fingerlike members projecting from the suction valve base at an angle to each other, each finger-like member terminating in a disk portion adapted to close a port through the plate, each disk portion having an integral projection to seat in the deck recess to

Description

Nov. 29, 1955 LQHANSON 2,725,183
VALVES FOR RECIPROCATING COMPRESSORS Filed gan. 10, 1951 2 Sheets-Shetl Nov. 29, 1955 HANSON VALVES FOR RECIPROCATING COMPRESSORS 2 Sheets-Sheet 2 Filed Jan. 10 1951 INVENTOR. La,
United States Patent O VALVES FOR RECIPROCATINGCOMPRESSORS Lars Hanson, Syracuse, N. Y., assignor to Carrier Corporation, Syracuse, N. Y., a corporation of Delaware Application January 10, 1951, Serial No. 2q s,411
1 Claim. 01. 230-231 This invention relates to valves of the flapper type for gaseous compressors and more particularly to valves of the flapper type employed as discharge or suction valves for reciprocating compressors.
The chief object of the present invention is to provide a valve of the flapper type for use with the reciprocating compressor which provides a substantial improvement in efficiency and which permits a lower noise level to be obtained.
An object of the present invention is to provide a valve of the flapper type which can be manufactured at a low cost and which provides an increased valve area. Other objects of the invention will be readily perceived from the following description.
This invention relates to a reciprocating compressor having a cylinder, a cylinder head, and a valve plate placed between the cylinder and the cylinder head. The head is provided with a partition which cooperates with the plate to form a discharge compartment and a suction compartment. A discharge valve is mounted on the head side of the valve plate in the discharge compartment and serves to close ports through the plate. The discharge valve contains a base which is secured to the plate; three flexible fingers project from the base, each finger terminating in a head portion which closes the port. A suction valve is placed adjacent the opposite side of the plate and closes ports in the plate leading to the suction compartment. The suction valve also includes a base which serves to hold the valve in place adjacent the plate; three flexible fingers project from the base at an angle to each other. Each finger terminates in a disk or head portion which closes a port through the plate. Prefer ably, each disk portion of the suction valve is provided with a projection or protuberance which seats in a recess in the cylinder deck to prevent movement of the valve beyond a desired range; preferably, a stop member is provided to prevent movement of the discharge valve beyond a desired range.
The attached drawing illustrates a preferred embodiment of my invention in which Figure 1 is a fragmentary view, partly in elevation and partly in section, of a reciprocating compressor illustrating the valve plate assembly;
Figure 2 is a plan view of the valve plate and discharge valve in position thereon;
Figure 3 is a sectional view taken on the line III--III of Figure 2; and
Figure 4 is a plan view of the suction valve in position in the assembly.
Referring to the attached drawing, there is shown a reciprocating compressor containing a cylinder 2, a cylinder head 3 and a valve plate 4 placed between the cylinder head 3 and the cylinder 2. The cylinder head 3 contains a partition 5 which cooperates with the valve plate to form two compartments 6 and 7 in head 3.
Valve plate 4 contains suction openings 8 and 9 and suction ports 10. The suction ports and the suction openings are formed in the base of compartment 7, suction ports 10 connecting compartment 7 with the cylinder 2. A discharge opening 11 and discharge ports 12 extend through plate 4 in compartment 6 connecting cylinder 2 with the compartment.
Discharge valve 13 is provided to close ports 12. Discharge valve 13 consists of a base 14 having three similar, flexible fingers 15 extending therefrom. Each of the fingers 15 terminates in adisk-like head portion 16 which serves to close port 12. A stop 17 is placed above valve 13. Stop 17 consists of a base 18 having three fingers 19 extending therefrom above the fingers 15 of valve 13. Valve 13 and stop 17 are mounted on plate 4 and are secured to plate 4 by suitable fastening members 20.
On the opposite side of plate 4 is provided a suction valve 21 which serves to close ports 10 extending through plate 4. Suction valve 21 consists of a base 22 having three similar, flexible fingers 23 extending therefrom at an angle to each other. The fingers 23 terminate in disk or head portions 24 which serve to close ports 10 extending through plate 4. If desired, a spring 25 may be provided to hold suction valve 21 in place closing ports 10. Valve 21 is supported by pins 26 extending from the cylinder deck 27. Preferably, recesses 28 are provided on the opposite side of the cylinder from pins 26. Each disk 24 is provided with a projection or protuberance 29 which is integral therewith and which serves as a stop to engage the bottom wall of recess 28 when the valve is drawn a predetermined distance from plate 4.
Considering the operation of the assembly, piston 31 in cylinder 2 is drawn downward thereby creating less pressure in the cylinder compartment than exists in compartment 7, permitting the gas in compartment 7 to force valve 21 away from ports 10 topermit gases in compartment 7 to be drawn within the cylinder. Piston 31 is raised, increasing pressure in the cylinder and forcing valves 21 to close and valves 13 to open. Stops 17 prevent opening of valves 13 beyond a predetermined point. The compressed gases then enter compartment 6 and pass therefrom through opening 11 to a condenser (not shown) of a refrigeration system. Suction gas returning from the evaporator of the refrigeration system enters the cylinder through openings 8 and 9. It is not deemed necessary to illustrate the refrigeration circuit since such systems are well known in the industry.
The present invention provides a simple, economical valve arrangement for a reciprocating compressor. It provides increased efficiency because of an increased valve area and greatly reduces the noise involved in the operation of the valves. Noise is reduced because it is possible to operate with a lower lift than is customary in conventional valve construction.
While I have described a preferred embodiment of my invention, it will be understood my invention is not limited thereto since it may be otherwise embodied within the scope of the following claim.
I claim:
The combination with a reciprocating compressor having a cylinder containing a deck recess, a cylinder head having two compartments formed therein, and a ported valve plate placed between the cylinder and the cylinder head, of a discharge 'valve connected on the head side of the plate in one compartment, said discharge valve including a base adapted to be secured to the plate and three similar, flexible, finger-like means projecting from the base, each finger-like member terminating in a disk portion adapted to close a port through the plate, a stop adjacent said discharge valve to prevent movement of the finger-like members of the discharge valve beyond a desired range of movement, and a suction valve connected adjacent the cylinder side of the plate, said suction valve including a base adapted to secure the suction valve in place adjacent the plate, three similar, flexible, fingerlike members projecting from the suction valve base at an angle to each other, each finger-like member terminating in a disk portion adapted to close a port through the plate, each disk portion having an integral projection to seat in the deck recess to prevent movement of the suction valve beyond a desired range, the connections between the discharge valve and the valve plate and the suction valve and the valve plate being disposed on opposite sides of that portion of the valve plate interposed between the cylinder and the compartment wherein the discharge valve is mounted.
References Cited in the file of this patent UNITED STATES PATENTS Mansfield Apr. 12, Schmidt Oct. 4, Wenkel Jan. 25, Nelson Apr. 8, Clapp June 28, Wilson July 31, Bixler June 4, King Nov. 17, Buschmann J an. 20,
FOREIGN PATENTS Great Britain Oct. 2,
US205411A 1951-01-10 1951-01-10 Valves for reciprocating compressors Expired - Lifetime US2725183A (en)

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312388A (en) * 1965-08-25 1967-04-04 Stal Refrigeration Ab Device for suction valves for reciprocating machinery
US3370786A (en) * 1966-04-19 1968-02-27 Ingersoll Rand Co Multifinger dual valve
US3983900A (en) * 1975-12-09 1976-10-05 Airhart Tom P Reed valves formed of high modulus fiber reinforced resin
US3998571A (en) * 1975-04-14 1976-12-21 Sundstrand Corporation Valve retainer
US4371001A (en) * 1977-10-31 1983-02-01 Flow Industries, Inc. Check valve assembly
DE3322930A1 (en) * 1982-07-23 1984-02-02 Dienes Werke für Maschinenteile GmbH & Co KG, 5063 Overath Disc valve for piston compressors
US4565507A (en) * 1983-09-16 1986-01-21 Flottmann-Werke Gmbh Reciprocating compressor for gaseous media
US4573888A (en) * 1983-09-09 1986-03-04 Aspen Laboratories, Inc. Fluid pump
FR2596815A1 (en) * 1986-04-07 1987-10-09 Finoszerelvenygyar Piston compressor, especially refrigeration compressor
US4764091A (en) * 1985-12-05 1988-08-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Piston type compressor for air conditioning unit with asymmetric valve mechanisms
US4854839A (en) * 1988-06-13 1989-08-08 Copeland Corporation Compressor valve assembly
US4949982A (en) * 1988-06-13 1990-08-21 Copeland Corporation Compressor valve assembly
US5904179A (en) * 1997-11-14 1999-05-18 Waterjet Service, Inc. Inlet check valve
US6021810A (en) * 1997-11-14 2000-02-08 Waterjet Service, Inc. Inlet check valve
EP1054157A3 (en) * 1999-05-19 2001-11-07 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Structure of suction valve of piston type compressor
US6513544B1 (en) * 1999-08-13 2003-02-04 Orbital Engine Company (Australia) Pty Limited Compressor valve arrangement
US20050069431A1 (en) * 2003-01-08 2005-03-31 Leu Shawn A. Piston mounting and balancing system
US20050276712A1 (en) * 2004-06-15 2005-12-15 Waterjet Service, Inc. Inlet check valve with removable seat
EP1255042A3 (en) * 2001-05-01 2007-04-25 Calsonic Kansei Corporation Inlet valve for swash plate compressor
FR2895037A1 (en) * 2005-12-20 2007-06-22 Tecumseh Europ S A Sa VALVE DEVICE FOR FLUID COMPRESSOR AND FLUID COMPRESSOR
US7390176B2 (en) * 2001-10-05 2008-06-24 Carrier Corporation Multi-port suction reed valve with optimized tips
US20080240940A1 (en) * 2003-05-30 2008-10-02 Boyd John H Compressor improvements
US20080310980A1 (en) * 2005-12-19 2008-12-18 Whirlpool S.A. Valve Mounting Arrangement For a Refrigeration Compressor
US20110103937A1 (en) * 2008-05-08 2011-05-05 Ribas Jfernando Antonio Jr Discharge valve arrangement for a hermetic compressor
WO2013104036A1 (en) 2011-12-15 2013-07-18 Whirlpool S.A. Suction valve assembly for alternative compressor
EP3064772A1 (en) * 2015-03-03 2016-09-07 Wen-San Chou Improved air compressor
CN111365216A (en) * 2020-03-31 2020-07-03 西安交通大学 Air valve assembly for reciprocating air compressor

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US756869A (en) * 1903-07-06 1904-04-12 Albert K Mansfield Valve.
US771327A (en) * 1903-04-02 1904-10-04 August Hermann Schmidt Valve.
US947536A (en) * 1909-05-26 1910-01-25 Conrad Gericke High-speed compression and vacuum pump.
US1299761A (en) * 1914-10-07 1919-04-08 Sullivan Machinery Co Valve.
US1633772A (en) * 1921-03-18 1927-06-28 Sullivan Machinery Co Valve mechanism
US1679012A (en) * 1925-12-26 1928-07-31 Nat Pump And Compressor Compan Valve
GB454536A (en) * 1935-02-16 1936-10-02 Schmutz Bremsen Ag Improvements in or relating to valves, more particularly for compressed air brakes
US2120852A (en) * 1935-06-11 1938-06-14 Gen Electric Valve assembly
US2302447A (en) * 1941-08-30 1942-11-17 Gen Electric Compressor valve
US2434734A (en) * 1945-04-06 1948-01-20 Copeland Refrigeration Corp Compressor valve

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US771327A (en) * 1903-04-02 1904-10-04 August Hermann Schmidt Valve.
US756869A (en) * 1903-07-06 1904-04-12 Albert K Mansfield Valve.
US947536A (en) * 1909-05-26 1910-01-25 Conrad Gericke High-speed compression and vacuum pump.
US1299761A (en) * 1914-10-07 1919-04-08 Sullivan Machinery Co Valve.
US1633772A (en) * 1921-03-18 1927-06-28 Sullivan Machinery Co Valve mechanism
US1679012A (en) * 1925-12-26 1928-07-31 Nat Pump And Compressor Compan Valve
GB454536A (en) * 1935-02-16 1936-10-02 Schmutz Bremsen Ag Improvements in or relating to valves, more particularly for compressed air brakes
US2120852A (en) * 1935-06-11 1938-06-14 Gen Electric Valve assembly
US2302447A (en) * 1941-08-30 1942-11-17 Gen Electric Compressor valve
US2434734A (en) * 1945-04-06 1948-01-20 Copeland Refrigeration Corp Compressor valve

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312388A (en) * 1965-08-25 1967-04-04 Stal Refrigeration Ab Device for suction valves for reciprocating machinery
US3370786A (en) * 1966-04-19 1968-02-27 Ingersoll Rand Co Multifinger dual valve
US3998571A (en) * 1975-04-14 1976-12-21 Sundstrand Corporation Valve retainer
US3983900A (en) * 1975-12-09 1976-10-05 Airhart Tom P Reed valves formed of high modulus fiber reinforced resin
US4371001A (en) * 1977-10-31 1983-02-01 Flow Industries, Inc. Check valve assembly
DE3322930A1 (en) * 1982-07-23 1984-02-02 Dienes Werke für Maschinenteile GmbH & Co KG, 5063 Overath Disc valve for piston compressors
US4573888A (en) * 1983-09-09 1986-03-04 Aspen Laboratories, Inc. Fluid pump
US4565507A (en) * 1983-09-16 1986-01-21 Flottmann-Werke Gmbh Reciprocating compressor for gaseous media
US4764091A (en) * 1985-12-05 1988-08-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Piston type compressor for air conditioning unit with asymmetric valve mechanisms
FR2596815A1 (en) * 1986-04-07 1987-10-09 Finoszerelvenygyar Piston compressor, especially refrigeration compressor
US4854839A (en) * 1988-06-13 1989-08-08 Copeland Corporation Compressor valve assembly
US4949982A (en) * 1988-06-13 1990-08-21 Copeland Corporation Compressor valve assembly
US5904179A (en) * 1997-11-14 1999-05-18 Waterjet Service, Inc. Inlet check valve
US6021810A (en) * 1997-11-14 2000-02-08 Waterjet Service, Inc. Inlet check valve
EP1054157A3 (en) * 1999-05-19 2001-11-07 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Structure of suction valve of piston type compressor
US6419467B1 (en) * 1999-05-19 2002-07-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Structure for suction valve of piston type compressor
US6513544B1 (en) * 1999-08-13 2003-02-04 Orbital Engine Company (Australia) Pty Limited Compressor valve arrangement
EP1255042A3 (en) * 2001-05-01 2007-04-25 Calsonic Kansei Corporation Inlet valve for swash plate compressor
US20080277008A1 (en) * 2001-10-05 2008-11-13 Carrier Corporation Multi-port suction reed vavle with optimized tips
US7390176B2 (en) * 2001-10-05 2008-06-24 Carrier Corporation Multi-port suction reed valve with optimized tips
US7850437B2 (en) * 2001-10-05 2010-12-14 Carrier Corporation Multi-port suction reed valve with optimized tips
US20050098222A1 (en) * 2003-01-08 2005-05-12 Leu Shawn A. Flapper valve mounting structure
EP1437507A3 (en) * 2003-01-08 2005-11-16 Thomas Industries, Inc. Piston pump
US20050074351A1 (en) * 2003-01-08 2005-04-07 Kultgen Raymond J. Pump cylinder seal
US7220109B2 (en) 2003-01-08 2007-05-22 Thomas Industries, Inc. Pump cylinder seal
US20050069431A1 (en) * 2003-01-08 2005-03-31 Leu Shawn A. Piston mounting and balancing system
US20050100458A1 (en) * 2003-01-08 2005-05-12 Leu Shawn A. Pump with transfer tube
US20080240940A1 (en) * 2003-05-30 2008-10-02 Boyd John H Compressor improvements
US8141581B2 (en) * 2003-05-30 2012-03-27 Fisher & Paykel Appliances Limited Compressor improvements
US7278838B2 (en) 2004-06-15 2007-10-09 Waterjet Service, Inc. Inlet check valve with removable seat
US20050276712A1 (en) * 2004-06-15 2005-12-15 Waterjet Service, Inc. Inlet check valve with removable seat
US20080310980A1 (en) * 2005-12-19 2008-12-18 Whirlpool S.A. Valve Mounting Arrangement For a Refrigeration Compressor
WO2007071665A1 (en) * 2005-12-20 2007-06-28 Tecumseh Europe S.A. System of valves for a fluid compressor and fluid compressor
FR2895037A1 (en) * 2005-12-20 2007-06-22 Tecumseh Europ S A Sa VALVE DEVICE FOR FLUID COMPRESSOR AND FLUID COMPRESSOR
US20110103937A1 (en) * 2008-05-08 2011-05-05 Ribas Jfernando Antonio Jr Discharge valve arrangement for a hermetic compressor
WO2013104036A1 (en) 2011-12-15 2013-07-18 Whirlpool S.A. Suction valve assembly for alternative compressor
CN104093984A (en) * 2011-12-15 2014-10-08 惠而浦股份有限公司 Suction valve assembly for alternative compressor
CN104093984B (en) * 2011-12-15 2017-01-18 惠而浦股份有限公司 Suction valve assembly for alternative compressor
EP3064772A1 (en) * 2015-03-03 2016-09-07 Wen-San Chou Improved air compressor
CN111365216A (en) * 2020-03-31 2020-07-03 西安交通大学 Air valve assembly for reciprocating air compressor

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