KR950019201A - Single Side Piston Type Variable Capacity Compressor Without Clutch - Google Patents

Single Side Piston Type Variable Capacity Compressor Without Clutch Download PDF

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Publication number
KR950019201A
KR950019201A KR1019940027552A KR19940027552A KR950019201A KR 950019201 A KR950019201 A KR 950019201A KR 1019940027552 A KR1019940027552 A KR 1019940027552A KR 19940027552 A KR19940027552 A KR 19940027552A KR 950019201 A KR950019201 A KR 950019201A
Authority
KR
South Korea
Prior art keywords
pressure
suction
passage
swash plate
crank chamber
Prior art date
Application number
KR1019940027552A
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Korean (ko)
Other versions
KR970005980B1 (en
Inventor
마사히로 가와구찌
마사노리 소노베
겐 스이또
도모히꼬 요꼬노
Original Assignee
이소가이 찌세이
가부시끼가이샤 도요다 지도쇽끼 세이사꾸쇼
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Publication of KR950019201A publication Critical patent/KR950019201A/en
Application granted granted Critical
Publication of KR970005980B1 publication Critical patent/KR970005980B1/en

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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
    • 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
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1809—Controlled pressure
    • F04B2027/1813—Crankcase pressure
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1809—Controlled pressure
    • F04B2027/1818—Suction pressure
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1822—Valve-controlled fluid connection
    • F04B2027/1827—Valve-controlled fluid connection between crankcase and discharge chamber
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1822—Valve-controlled fluid connection
    • F04B2027/1831—Valve-controlled fluid connection between crankcase and suction chamber
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/184—Valve controlling parameter
    • F04B2027/1854—External parameters
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/184—Valve controlling parameter
    • F04B2027/1859—Suction pressure
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1886—Open (not controlling) fluid passage
    • F04B2027/189—Open (not controlling) fluid passage between crankcase and discharge chamber
    • 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
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1886—Open (not controlling) fluid passage
    • F04B2027/1895—Open (not controlling) fluid passage between crankcase and suction chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

증발기에서 온도 검출을 행하지 않고 외부 냉매 회로의 냉매 순환을 저지할 수 있는 클러치 없는 압축기를 제공한다. 배출실(3b)내의 냉매가스는 교축통로(51)를 거쳐서 크랭크실(2a)로 도입되고, 용량 제어 밸브(30)는 홉입통로(26)의 흡입압을 감지하여 크랭크실(2a)의 압력을 제어한다. 용량 제어 밸브(30)는 크랭크실(2a)과 흡입실(3a)을 연결하는 통로(32)상에 개재되고, 배출실(3b)과 크랭크실(2a)을 연결하는 압력 공급 통로(44)상에는 전자 개폐 밸브(41)가 개재되어 있다. 사판 지지체(14)는 사판 경사각이 최소 경사각으로 이행함에 따라서 차단체(21)를 위치결정면(27)쪽으로 가압하여 이동시키고, 흡입통로(26)와 흡입실(3a) 사이의 수용구멍(13)이 흡입통로(26)에서 서서히 차단된다.Provided is a clutchless compressor capable of preventing refrigerant circulation in an external refrigerant circuit without performing temperature detection in an evaporator. The refrigerant gas in the discharge chamber 3b is introduced into the crank chamber 2a via the throttle passage 51, and the displacement control valve 30 senses the suction pressure of the hop inlet passage 26 to detect the pressure of the crank chamber 2a. To control. The displacement control valve 30 is interposed on the passage 32 connecting the crank chamber 2a and the suction chamber 3a, and the pressure supply passage 44 connecting the discharge chamber 3b and the crank chamber 2a. The electromagnetic opening / closing valve 41 is interposed. As the swash plate inclination angle is shifted to the minimum inclination angle, the swash plate support 14 presses and moves the blocking body 21 toward the positioning surface 27, and the receiving hole 13 between the suction passage 26 and the suction chamber 3a. The suction passage 26 is gradually blocked.

Description

클러치 없는 단일면 피스톤식 가변용량 압축기Single Side Piston Type Variable Capacity Compressor Without Clutch

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명을 구체화한 실시예의 압축기 전체의 측단면도.1 is a side cross-sectional view of the entire compressor of an embodiment incorporating the present invention.

제2도는 제1도의 A-A선을 취한 단면도.2 is a cross-sectional view taken along the line A-A of FIG.

제3도는 제2도의 B-B선을 취한 단면도.3 is a cross-sectional view taken along the line B-B of FIG.

제4도는 사판 경사각이 최소상태에 있는 압축기 전체의 측단면도.4 is a side cross-sectional view of the entire compressor with the swash plate inclination angle minimized.

Claims (4)

회전축의 주위에 배열된 복수의 실런더 보어내에서 편두 피스톤 왕복운동이 가능하게 수용하고, 하우징에서 회전축을 회전가능하게 지지하고, 회전축에서 사판을 회전가능 및 기울기 가능하게 지지하고, 크랭크실 내의 압력과 흡입압의 차이에 따라 편두 피스톤을 거쳐서 사판의 경사각을 제어하고, 배출압 영역의 압력을 크랭크실에 공급하며 동시에 크랭크실의 압력을 흡입압 영역에 방출하여 크랭크실 내의 압력을 조절하는 클러치 없는 단일면 피스톤식 가변용량 압축기에 있어서, 배출용량이 영(zero)이 되지 않도록 사판의 최소 경사각을 규정하는 최소 경사각 규정수단과, 외부 냉매 회로에서부터 흡입압 영역으로 흐르는 냉매가스를 도입 불능한 폐쇄 위치와 도입 가능한 개방 위치로 전환되는 차단체에 크랭크실의 압력을 전달하여 최소 용량 상태에서는 외부 냉매 회로에서 냉매순환을 정지하도록 구성한 냉매 순환 저지수단과, 상기 크랭크실과 흡입압 영역을 연결하는 방출압 통로와, 상기 방출압 통로상에 개재되어 흡입합에 반응하여 크랭크실에서부터 흡입압 영역으로 압력 방출을 제어하는 용량 제어밸브와, 배출압 영역과 크랭크실을 연결하는 압력 공급 통로와, 상기 압력 공급 통로상에 개재되어 사판 경사각의 강제 감소 지령신호에 발신에 응답하여 압력 공급 통로를 여는 사판 경사각 강제 감소 수단을 구비하고, 상기 용량 제어 밸브의 흡입압 도입 위치는 차단체로서 차단되는 위치보다도 상류측에 설정한 것을 특징으로 하는 압축기.A unilateral piston reciprocating motion is accommodated in a plurality of cylinder bores arranged around a rotating shaft, rotatably supporting the rotating shaft in the housing, rotatably and tiltably supporting the swash plate on the rotating shaft, and pressure in the crank chamber. The clutch does not control the inclination angle of the swash plate through the migraine piston, supply the pressure of the discharge pressure zone to the crankcase, and release the pressure of the crankcase to the suction pressure zone to control the pressure in the crankcase. In the single-sided piston type variable displacement compressor, a minimum inclination angle defining means for defining a minimum inclination angle of the swash plate so that the discharge capacity is not zero, and a closed position incapable of introducing refrigerant gas flowing from the external refrigerant circuit into the suction pressure region. Capacity by transferring the pressure of the crankcase to the barrier that switches to the open position The refrigerant circulation stop means configured to stop the refrigerant circulation in the external refrigerant circuit, a discharge pressure passage connecting the crank chamber and the suction pressure region, and a suction pressure from the crank chamber in response to a suction sum interposed on the discharge pressure passage. A capacity control valve for controlling the pressure release to the region, a pressure supply passage connecting the discharge pressure region and the crank chamber, and a pressure supply passage interposed on the pressure supply passage in response to a forced decrease command signal of the swash plate inclination angle. And a swash plate inclination-angle forcibly decreasing means, and the suction pressure introduction position of the displacement control valve is set upstream from the position blocked as the blocking body. 제1항에 있어서, 상기 차단체는 크랭크실의 압력에 반응하여 기울어지는 사판의 기울기의 적어도 일부를 따라 이동하는 것을 특징으로 하는 압축기.2. The compressor as claimed in claim 1, wherein the blocking member moves along at least a part of the inclination of the swash plate inclined in response to the pressure of the crankcase. 제1항 또는 2항에 있어서, 상기 크랭크실과 흡입압 영역은 순환용 통로에 의해 항상 연통하여 있는 것을 특징으로 하는 압축기.The compressor according to claim 1 or 2, wherein the crank chamber and the suction pressure region are always in communication by a circulation passage. 제3항에 있어서, 상기 순환용 통로는 차단체에 설치되어 있는 것을 특징으로 하는 압축기.4. The compressor as claimed in claim 3, wherein the circulation passage is provided in the blocking body. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940027552A 1993-12-27 1994-10-27 Clutchless one side piston type variable displacement compressor KR970005980B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-332145 1993-12-27
JP33214593A JP3254872B2 (en) 1993-12-27 1993-12-27 Clutchless one-sided piston type variable displacement compressor

Publications (2)

Publication Number Publication Date
KR950019201A true KR950019201A (en) 1995-07-22
KR970005980B1 KR970005980B1 (en) 1997-04-22

Family

ID=18251652

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940027552A KR970005980B1 (en) 1993-12-27 1994-10-27 Clutchless one side piston type variable displacement compressor

Country Status (4)

Country Link
JP (1) JP3254872B2 (en)
KR (1) KR970005980B1 (en)
DE (1) DE4446832C2 (en)
TW (1) TW260736B (en)

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Publication number Priority date Publication date Assignee Title
JP3503179B2 (en) * 1994-04-15 2004-03-02 株式会社豊田自動織機 Clutchless one-sided piston type variable displacement compressor
US5713725A (en) * 1994-05-12 1998-02-03 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Clutchless piston type variable displacement compressor
KR0169014B1 (en) * 1994-05-12 1999-03-20 이소가이 찌세이 Clutchless signal head piston type variable capacity compressor
US5681150A (en) * 1994-05-12 1997-10-28 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Piston type variable displacement compressor
JPH07310654A (en) * 1994-05-12 1995-11-28 Toyota Autom Loom Works Ltd Clutchless single piston type variable displacement compressor
JPH08109880A (en) * 1994-10-11 1996-04-30 Toyota Autom Loom Works Ltd Operation control system for variable displacement type compressor
JP2932952B2 (en) * 1994-12-07 1999-08-09 株式会社豊田自動織機製作所 Clutchless variable displacement compressor
JP3282457B2 (en) * 1995-08-21 2002-05-13 株式会社豊田自動織機 Single-head piston type compressor
JPH1054349A (en) * 1996-08-12 1998-02-24 Toyota Autom Loom Works Ltd Variable displacement compressor
JPH11148457A (en) * 1997-11-13 1999-06-02 Zexel:Kk Variable displacement swash plate clutchless compressor
JP2000249051A (en) * 1999-03-01 2000-09-12 Toyota Autom Loom Works Ltd Control valve for variable displacement swash plate type compressor
JP4070425B2 (en) * 2001-01-19 2008-04-02 株式会社テージーケー Compression capacity controller for refrigeration cycle
JP2003013863A (en) * 2001-06-29 2003-01-15 Toyota Industries Corp Capacity control device for variable displacement compressor
DE102011116110A1 (en) * 2011-10-15 2013-04-18 Volkswagen Aktiengesellschaft Air conditioning apparatus for motor car, has signal generation unit assigned to air conditioning unit to actuate compressor with advance signal around time displacement immediately before starting of motor car

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DE3900324A1 (en) * 1989-01-07 1990-07-12 Dorstener Maschf Ag Method and press for making mould cores from moulding sand for foundry practice
JP2567947B2 (en) * 1989-06-16 1996-12-25 株式会社豊田自動織機製作所 Variable capacity compressor
US5173032A (en) * 1989-06-30 1992-12-22 Matsushita Electric Industrial Co., Ltd. Non-clutch compressor
JPH07111171B2 (en) * 1989-11-02 1995-11-29 株式会社豊田自動織機製作所 Continuously variable capacity swash plate compressor
DE4033422C2 (en) * 1990-10-20 1999-07-15 Bosch Gmbh Robert Swash plate compressor
JP3082417B2 (en) * 1991-09-18 2000-08-28 株式会社豊田自動織機製作所 Variable displacement compressor
US5380161A (en) * 1992-12-11 1995-01-10 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Variable capacity swash-plate compressor with electromagnetic clutch
JP3254853B2 (en) * 1993-11-05 2002-02-12 株式会社豊田自動織機 Clutchless one-sided piston type variable displacement compressor

Also Published As

Publication number Publication date
JP3254872B2 (en) 2002-02-12
KR970005980B1 (en) 1997-04-22
TW260736B (en) 1995-10-21
DE4446832C2 (en) 1998-03-26
JPH07189895A (en) 1995-07-28
DE4446832A1 (en) 1995-06-29

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