WO2007123002A1 - 圧縮機 - Google Patents

圧縮機 Download PDF

Info

Publication number
WO2007123002A1
WO2007123002A1 PCT/JP2007/057660 JP2007057660W WO2007123002A1 WO 2007123002 A1 WO2007123002 A1 WO 2007123002A1 JP 2007057660 W JP2007057660 W JP 2007057660W WO 2007123002 A1 WO2007123002 A1 WO 2007123002A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction
valve
reed valve
suction reed
hole
Prior art date
Application number
PCT/JP2007/057660
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Kazuhiko Takai
Original Assignee
Sanden Corporation
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 Sanden Corporation filed Critical Sanden Corporation
Priority to US12/297,941 priority Critical patent/US20090081060A1/en
Priority to EP07741096A priority patent/EP2012011A4/de
Publication of WO2007123002A1 publication Critical patent/WO2007123002A1/ja

Links

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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1009—Distribution members
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F04B27/1045—Cylinders
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • 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
    • F04B39/1066—Valve plates
    • 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

Definitions

  • the present invention relates to a piston reciprocating compressor in which, for example, a piston is reciprocally installed in a cylinder bore, and more particularly to a compressor suitable as a compressor for a vehicle air conditioner.
  • a piston reciprocating compressor in which a plurality of cylinder bores are provided in a cylinder block and a piston is reciprocally installed in each cylinder bore is known.
  • a suction chamber and a discharge chamber are provided inside the cylinder head.
  • the gas refrigerant pushes open the suction reed valve provided on the valve plate.
  • the suction hole is opened, and the gas refrigerant in the suction chamber is sucked into the cylinder bore.
  • the suction reed valve is closed and the discharge valve is pushed open.
  • the compressed gas refrigerant is discharged from the cylinder bore into the discharge chamber.
  • the suction reed valve If the suction reed valve is deformed, the predetermined valve closing operation is not performed, and the compression efficiency may decrease due to the accompanying decrease in sealing performance. On the other hand, in the suction stroke, the suction reed valve may vibrate due to the flow resistance of the suction valve section, which may cause pressure pulsation.
  • Patent Document 1 Japanese Utility Model Publication No. 5-89876
  • An object of the present invention is to provide a compressor that can prevent deformation of the suction valve in the suction stroke, improve suction efficiency, and the like, and can suppress generation of vibration of the suction reed valve by reducing pressure loss. It is in.
  • a compressor according to the present invention includes a cylinder bore in which a fluid is compressed, a valve plate that partitions the cylinder bore and a suction chamber, and the cylinder bore provided in the valve plate. And a suction reed valve that opens and closes the suction hole and that is in contact with the suction reed valve seal portion of the valve plate that is located outside the suction hole installation area when the suction hole is closed.
  • a suction reed valve support portion that can contact the suction reed valve when the suction reed valve is closed is provided in the suction hole installation region of the valve plate, and the suction lead of the suction reed valve support portion is provided.
  • the suction reed valve support portion that can contact the suction reed valve when the suction reed valve is closed is provided in the suction hole installation region, the cylinder bore internal pressure rises during compression, and the suction reed valve When the valve is closed and strongly pressed against the valve plate side, the suction reed valve is supported by the suction reed valve support portion to prevent deformation of the suction reed valve.
  • a valve function is provided between the outer periphery of the suction reed valve abutting portion of the suction reed valve support portion and the suction reed valve, and a portion inside the portion to which the valve function of the suction reed valve is provided is penetrated. Since the hole is provided, the refrigerant gas from the suction chamber passes through the through hole and flows into the cylinder bore. In addition, in the embodiment in which the through hole is provided, an effect equivalent to that of the suction path being substantially expanded can be expected, and the pressure loss during suction can be greatly reduced. .
  • the refrigerant gas passes through the through-hole during the closing of the suction reed valve, that is, in the compression process. Can be reliably prevented from flowing out to the suction chamber side. Therefore, even when the suction hole is enlarged for the purpose of reducing pressure loss, the suction valve portion corresponding to the suction hole installation region is reliably prevented from being deformed.
  • a groove or a recess on the contact surface side of the suction reed valve support portion with the suction reed valve.
  • the contact area can be reduced while ensuring the support strength of the suction reed valve, so that the problem that the valve opening operation is delayed due to the adhesive force of the lubricating oil can be reliably eliminated.
  • the groove or the recess communicates with the suction chamber, the refrigerant gas in the suction chamber can flow into the groove or the recess, so that the pressure of the introduced refrigerant gas can be used more quickly and more easily. Smooth valve opening operation can be secured.
  • the suction lead valve contact surface of the suction lead valve support portion of the suction lead valve support portion to which the valve function is provided is in contact with the suction reed valve.
  • the suction lead valve is located outside the suction lead valve support portion.
  • the valve is positioned flush with the suction reed valve seal portion of the valve or on the cylinder bore side of the suction reed valve seal portion.
  • the suction lead valve seal portion with a small area of the suction reed valve seal portion lifts the suction reed valve so that the suction chamber side and the cylinder bore side are shifted to the suction stroke.
  • the contact surface can be set so as to be positioned closer to the suction chamber than the suction lead valve seal portion.
  • the suction reed valve support portion can be formed integrally with the valve plate, and the suction reed valve support portion and the valve plate can be formed separately.
  • the position of the suction reed valve support portion that contacts the suction reed valve can be adjusted by, for example, press molding after polishing the valve plate.
  • the suction reed valve support portion that can contact the suction reed valve when the suction reed valve is closed is provided in the suction hole installation region. Valve deformation can be reliably prevented. Furthermore, according to the compressor of the present invention, a valve function is provided between the outer peripheral portion of the suction reed valve contact portion of the suction reed valve support portion and the suction reed valve, and the valve function of the suction reed valve is provided. A through-hole is provided in the inner part of the part to which is applied.
  • the refrigerant gas having the suction chamber force passes through the through-hole and flows into the cylinder bore, so that the suction passage is substantially expanded. Can be expected, and pressure loss during inhalation can be greatly reduced.
  • a valve function is provided between the outer periphery of the suction reed valve contact portion of the suction reed valve support portion and the suction reed valve, the refrigerant gas flows out through the through hole when the suction reed valve is closed. Can be reliably prevented.
  • the suction reed valve support portion provided with the valve function has a suction lead valve contact surface on the outer periphery of the suction reed valve contact portion on the outer periphery of the suction reed valve support portion. If it is positioned flush with the valve seal or on the cylinder bore side of the suction reed valve seal, when the suction reed valve closes the suction hole, a part of the suction reed valve is moved to the cylinder bore side by the contact surface. It becomes a form that can be lifted.
  • FIG. 1 is a partial longitudinal sectional view of a compressor according to an embodiment of the present invention.
  • FIG. 2 is an enlarged cross-sectional view of a connecting portion between a cylinder block and a cylinder head of the compressor in FIG.
  • FIG. 3 is an explanatory diagram for explaining the installation position of the suction reed valve support portion on the valve plate of the compressor of FIG. 1.
  • FIG. 1 indicates a compressor.
  • the compressor 1 has a cylinder block 2, a front housing 3, and a cylinder head 4.
  • a crank chamber 5 is formed between the cylinder block 2 and the front housing 3.
  • a plurality of cylinder bores 6 are provided in the circumferential direction of the cylinder block 2.
  • a drive shaft 7 is provided in the crank chamber 5 so as to extend through the crank chamber 5.
  • a rotor 8 is fixed to the drive shaft 7.
  • the rotor 8 is supported by the front housing 3 via a thrust bearing 9.
  • the drive shaft 7 is passed through the swash plate 10.
  • the swash plate 10 is connected to the rotor 8 via a link mechanism 11, and the inclination angle of the swash plate 10 can be varied by the link mechanism 11.
  • the piston 12 is installed in the cylinder bore 6 so as to be able to reciprocate.
  • a bush 13 is sandwiched between the end 12a of the piston 12 on the crank chamber 5 side.
  • the shear 13 is in sliding contact with the outer peripheral surface of the swash plate 10, and the rotational movement of the swash plate 10 is converted into the reciprocating motion of the piston 12 by the sliding contact.
  • the inside of the cylinder head 4 is partitioned into a suction chamber 15 and a discharge chamber 16 by a wall 14.
  • the suction chamber 15 is provided with a suction port 17 for sucking refrigerant gas into the suction chamber 15.
  • a valve plate 18 is interposed between the cylinder block 2 and the cylinder head 4.
  • the valve plate 18 is provided with a suction hole 19 that communicates the cylinder bore 6 and the suction chamber 15 and a discharge hole 20 that communicates the cylinder bore 6 and the discharge chamber 16.
  • the suction hole 19 is opened and closed by a suction reed valve 29.
  • the opening degree of the suction reed valve 29 is regulated by the tip of the suction reed valve 29 coming into contact with a stagger 22 formed integrally with the cylinder block 2.
  • the discharge hole 20 is opened and closed by a discharge valve 23 that also has a reed valve force.
  • the opening degree of the discharge valve 23 is regulated by the retainer 24.
  • the suction reed valve 29 When the suction hole 19 is closed, the suction reed valve 29 is located outside the suction hole installation area 25 of the valve plate 18. The suction hole 19 is closed by coming into contact with the suction lead valve seal portion 26 located.
  • a suction reed valve support portion 28 that can contact the suction reed valve 29 when the suction reed valve is closed is provided in the suction hole installation region 25.
  • the contact surface 28a of the suction reed valve support portion 28 with the suction reed valve is disposed so as to be flush with the suction reed valve seal portion 26 of the valve plate 18 positioned outside the suction reed valve support portion 28. ing. It is also possible to arrange the contact surface 28a so as to be closer to the suction chamber than the suction reed valve seal portion 26.
  • the suction reed valve support portion 28 is formed integrally with the valve plate 18. Therefore, for example, after the valve plate 18 is polished and manufactured, the suction reed valve support portion 28 is press-molded. As a result, the contact surface 28a can be disposed flush with the suction reed valve seal portion 26 or closer to the suction chamber than the suction reed valve seal portion 26.
  • a recess 28b is provided between the contact surface 28a of the suction reed valve support portion 28 and the suction reed valve seal portion 26 of the valve plate 18 located outside the suction reed valve support portion 28. As shown in FIG. 3, the recess 28 b communicates with the suction chamber 15.
  • 3A is a cross-sectional view of the valve plate 18 along the line AOB in FIG. 3B
  • FIG. 3C is a view in which the suction reed valve 29 is superimposed on FIG. It is a front view which shows a state.
  • the suction reed valve support portion 28 with which the suction reed valve 29 can abut when the suction reed valve is closed is provided in the suction hole installation region 25, so that the internal pressure of the cylinder bore 6 during compression is reduced.
  • the suction reed valve 29 closes and is strongly pressed against the valve plate side, the suction reed valve 29 is supported by the contact surface 28a of the suction reed valve support 28, and the deformation of the reed reed valve 29 is prevented. Is prevented.
  • the suction hole 19 is enlarged for the purpose of reducing pressure loss, the deformation of the portion of the suction reed valve 29 corresponding to the suction hole installation region 25 can be reliably prevented.
  • the contact surface 28a of the suction reed valve support 28 with the suction reed valve is disposed flush with the suction reed valve seal 26 of the valve plate located outside the suction reed valve support 28. Therefore, in the compression stroke, the suction reed valve 29 is brought into contact with the contact surface 28a of the suction reed valve support 28.However, when the internal pressure of the cylinder bore 6 is reduced due to the transition to the suction stroke, the suction reed valve 29 is Since the pressure difference between the cylinder bore 6 and the suction chamber 15 is received and can be quickly separated from the contact surface 28a, a quick and smooth valve opening operation can be secured. [0024] Further, since the recess 28b communicates with the suction chamber 15, the refrigerant gas in the suction chamber 15 flows into the recess 28b, so that a quicker and smoother valve opening operation can be ensured.
  • the suction reed valve support portion 28 is formed integrally with the valve plate 18. If the suction reed valve support portion 28 is formed integrally with the valve plate 18, an increase in the number of parts can be prevented.
  • the suction reed valve support portion 28 has a contact surface 28 a to the suction reed valve 29 and a recess 28 b formed on the outer side and communicating with the suction chamber 15.
  • a valve function is provided between the outer peripheral portion of the contact surface 28 a of the valve plate support portion 28 with the suction lead valve 29 and the suction reed valve 29.
  • the suction gas easily moves to the back side (piston side) of the suction lead valve 29 through the through-hole 32.
  • the pressure disappears and valve vibration can be suppressed.
  • the through hole 32 is provided in the suction reed valve 29, the refrigerant gas from the suction chamber 15 passes through the through hole 32 and flows into the cylinder bore 6. As a result, it is possible to expect the same effect as the expansion of the suction path, and the pressure loss during inhalation can be greatly reduced.
  • the contact surface 28a is arranged so as to be flush with the suction reed valve seal portion 26 located outside the suction reed valve support 28 portion.
  • the seal state with the contact surface 28a is also released substantially simultaneously with the release of the seal state of the seal portion 26. Therefore, a quick and smooth valve opening operation of the suction reed valve 29 can be ensured.
  • the contact surface 28a to the suction reed valve 29 can be arranged so as to be closer to the cylinder bore than the suction lead valve seal portion 26 positioned outside the suction reed valve support 28 portion.
  • the suction reed valve 29 closes the suction hole 19, a part of the suction reed valve 29 is lifted to the cylinder bore side by the contact surface 28a. Eliminates the problem that the valve opening operation is delayed due to the lubricant adhering to the contact surface 28a. As a result, the suction reed valve 29 can be opened quickly and smoothly.
  • the contact surface 28a to the suction reed valve 29 can be arranged to be closer to the suction chamber than the suction reed valve seal portion 26 located outside the suction lead valve support 28 portion. In the present embodiment, the same operation and effect can be enjoyed even in a mode in which the force valve seat grooves 40 and 41 provided with the valve seat grooves 40 and 41 are not provided.
  • the opening area of the suction hole 19 may be reduced by providing the suction reed valve support portion 28 as in the above embodiment, the flow path pressure loss may be increased.
  • R chamfering or C chamfering to the periphery of the suction chamber 15 side opening of the suction hole 19, pressure loss at the inlet of the suction hole 19 can be reduced.
  • the present invention is widely applicable to a piston reciprocating compressor in which a piston is reciprocally installed in a cylinder bore, and these compressors are suitable for a compressor of a vehicle air conditioner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
PCT/JP2007/057660 2006-04-21 2007-04-05 圧縮機 WO2007123002A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/297,941 US20090081060A1 (en) 2006-04-21 2007-04-05 Compressor
EP07741096A EP2012011A4 (de) 2006-04-21 2007-04-05 Verdichter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006117934A JP2007291881A (ja) 2006-04-21 2006-04-21 圧縮機
JP2006-117934 2006-04-21

Publications (1)

Publication Number Publication Date
WO2007123002A1 true WO2007123002A1 (ja) 2007-11-01

Family

ID=38624908

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/057660 WO2007123002A1 (ja) 2006-04-21 2007-04-05 圧縮機

Country Status (6)

Country Link
US (1) US20090081060A1 (de)
EP (1) EP2012011A4 (de)
JP (1) JP2007291881A (de)
KR (1) KR20080106988A (de)
CN (1) CN101421516A (de)
WO (1) WO2007123002A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012500355A (ja) * 2008-08-21 2012-01-05 イグゼティック エムエーシー ゲーエムベーハー 往復ピストン機関
JP5652613B2 (ja) 2011-03-08 2015-01-14 サンデン株式会社 圧縮機の弁装置
BRPI1101993A2 (pt) * 2011-04-28 2014-02-11 Whirlpool Sa Arranjo de válvula para compressores herméticos
JP5478577B2 (ja) 2011-09-27 2014-04-23 株式会社豊田自動織機 圧縮機
JP5478579B2 (ja) 2011-09-29 2014-04-23 株式会社豊田自動織機 圧縮機
JP5756737B2 (ja) * 2011-11-17 2015-07-29 株式会社豊田自動織機 圧縮機
JP2018048597A (ja) * 2016-09-21 2018-03-29 サンデン・オートモーティブコンポーネント株式会社 圧縮機
CN107605450B (zh) * 2017-08-23 2022-02-08 四川达灿石油设备有限公司 一种压裂开采设备的液力端总成
CN109268274B (zh) * 2018-12-06 2020-04-28 山东金鹏石化设备有限公司 一种离心泵及其装配方法

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Publication number Priority date Publication date Assignee Title
JPS5013222U (de) * 1973-05-30 1975-02-12
JPH041682U (de) * 1990-04-13 1992-01-08
JPH0589876U (ja) 1992-05-06 1993-12-07 株式会社豊田自動織機製作所 ピストン式圧縮機の吸入リード弁機構
JP2003176783A (ja) * 2001-12-10 2003-06-27 Toyota Industries Corp バルブプレートの製造方法

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JPS5223603B2 (de) * 1973-06-08 1977-06-25
US4642037A (en) * 1984-03-08 1987-02-10 White Consolidated Industries, Inc. Reed valve for refrigeration compressor
GB2161583B (en) * 1984-07-10 1988-01-27 Prestcold Ltd Reed valve
US4976284A (en) * 1990-01-16 1990-12-11 General Motors Corporation Reed valve for piston machine
JPH041682A (ja) * 1990-04-18 1992-01-07 Nec Corp 印刷装置
US5885064A (en) * 1997-06-30 1999-03-23 General Motors Corporation Compressor valve assembly with improved flow efficiency
JP2000345966A (ja) * 1999-06-01 2000-12-12 Sanden Corp 圧縮機
US7004734B2 (en) * 1999-12-28 2006-02-28 Zexel Valco Climate Control Corporation Reciprocating refrigerant compressor
KR100565493B1 (ko) * 2003-09-17 2006-03-30 엘지전자 주식회사 왕복동식 압축기
DE102004003137A1 (de) * 2004-01-21 2005-08-11 Behr Gmbh & Co. Kg Kompressionsvorrichtung für gasförmige Medien

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Publication number Priority date Publication date Assignee Title
JPS5013222U (de) * 1973-05-30 1975-02-12
JPH041682U (de) * 1990-04-13 1992-01-08
JPH0589876U (ja) 1992-05-06 1993-12-07 株式会社豊田自動織機製作所 ピストン式圧縮機の吸入リード弁機構
JP2003176783A (ja) * 2001-12-10 2003-06-27 Toyota Industries Corp バルブプレートの製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2012011A4

Also Published As

Publication number Publication date
CN101421516A (zh) 2009-04-29
US20090081060A1 (en) 2009-03-26
EP2012011A1 (de) 2009-01-07
KR20080106988A (ko) 2008-12-09
EP2012011A4 (de) 2010-05-12
JP2007291881A (ja) 2007-11-08

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