KR950011853A - 가변용량형압축기용 제어밸브 - Google Patents

가변용량형압축기용 제어밸브 Download PDF

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Publication number
KR950011853A
KR950011853A KR1019940026659A KR19940026659A KR950011853A KR 950011853 A KR950011853 A KR 950011853A KR 1019940026659 A KR1019940026659 A KR 1019940026659A KR 19940026659 A KR19940026659 A KR 19940026659A KR 950011853 A KR950011853 A KR 950011853A
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South Korea
Prior art keywords
discharge
pressure
discharge pressure
reducing mechanism
chamber
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KR1019940026659A
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English (en)
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KR0123880B1 (ko
Inventor
가즈야 기무라
켄지 타케나카
타카히로 마에다
Original Assignee
이소가이 지세이
가부시끼가이샤 도요다지도우쇼끼세이사꾸쇼
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Publication of KR950011853A publication Critical patent/KR950011853A/ko
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Publication of KR0123880B1 publication Critical patent/KR0123880B1/ko

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B60H1/3211—Control means therefor for increasing the efficiency of a vehicle refrigeration cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3205—Control means therefor
    • B60H1/3216—Control means therefor for improving a change in operation duty of a compressor in a vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3239—Cooling devices information from a variable is obtained related to flow
    • B60H2001/3242—Cooling devices information from a variable is obtained related to flow of a refrigerant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3248—Cooling devices information from a variable is obtained related to pressure
    • B60H2001/325—Cooling devices information from a variable is obtained related to pressure of the refrigerant at a compressing unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3255—Cooling devices information from a variable is obtained related to temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3236—Cooling devices information from a variable is obtained
    • B60H2001/3267—Cooling devices information from a variable is obtained related to the operation of an expansion valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H2001/3269—Cooling devices output of a control signal
    • B60H2001/327—Cooling devices output of a control signal related to a compressing unit
    • B60H2001/3275—Cooling devices output of a control signal related to a compressing unit to control the volume of a compressor
    • 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
    • F04B2027/1822—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
    • F04B2027/184—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
    • F04B2027/1895—Open (not controlling) fluid passage between crankcase and suction chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야
본 발명은 흡입실, 토출실 및 크랭크실을 갖춘 차량공조용가변용량형 압축기에 사용되며. 크랭크실의 압력을 제어해서 그 가변용량형압축기의 토출용량을 가변하는 제어밸브에 관한 것이다.
2. 발명이 해결하고자 하는 기술적 과제
주위온도가 비교적 높은 경우에 충분한 냉각능력을 확보하면서 주위온도가 비교적 낮은 경우에도 충분한 냉각능력을 확보하도록 한다.
3. 발명의 해결방법의 요지
토출압력을 감지해서 변위하는 토출감압기구가 설치되며, 전기한 밸브기구는 그 토출압력이 설정된 토출압력 미만일때에만 그 토출감압기구의 설정력에 의해 전기한 급기통로개도를 축소하는 방향으로 힘을 가하도록 그 토출감압기구와 조합되어 있는 것을 특징으로 하는 가변용량형압축기용 제어밸브.

Description

가변용량형압축기용 제어밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1실시예의 제어밸브의 단면도,
제2도는 제1실시예의 제어밸브를 사용한 차량공조용 요동사판형압축기의 단면도,
제5도는 제2실시예의 제어밸브의 단면도,
제7도는 제3실시예의 제어밸브의 단면도,
제9도는 종래의 제어밸브의 단면도.

Claims (2)

  1. 흡입실, 토출실 및 크랭크실을 갖춘 차량공조용가변용량형 압축기에 사용되며. 흡입압력을 감지해서 변위하는 흡입감압기구와 그 흡입압력이 설정흡입압을 초과하면 그 흡입감압기구의 변위에 의해 그 토출실과 크랭크실사이의 급기통로의 개도를 축소하며. 그 흡입압력이 그 설정흡입압력 미만이라면, 그 흡입감압 기구의 반변위에 의해 그 급기통로의 개도를 확대하는 밸브 기구등을 구비하고, 크랭크실압력을 제어해서 그 가변용량압축기의 토출용량을 가변하는 가변용량형압축기용 제어밸브에 있어서, 토출압력을 감지해서 변위하는 토출감압기구가 설치되며. 전기한 밸브기구는 그 토출압력이 설정된 토출압력 미만일때에만 그 토출 감압기구의 설정력에 의해 전기한 급기통로개도를 축소하는 방향으로 힘을 가하도록 그 토출감압 기구와 조합되어 있는 것을 특징으로 하는 가변용량형압축기용 제어밸브.
  2. 제1항에 있어서, 토출압력이 설정된 토출압력미만일 경우, 밸브기구에서 그 토출압력에 의해 작용하는 힘과 토출감압기구에 그 토출압력에 의해 작용하는 힘등이 같게 설정되어 있는 것을 특징으로 하는 가변용량형 압축기용 제어밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940026659A 1993-10-15 1994-10-15 가변용량형 압축기용 제어밸브 KR0123880B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-258741 1993-10-15
JP25874193A JP3355002B2 (ja) 1993-10-15 1993-10-15 可変容量型圧縮機用制御弁

Publications (2)

Publication Number Publication Date
KR950011853A true KR950011853A (ko) 1995-05-16
KR0123880B1 KR0123880B1 (ko) 1997-12-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940026659A KR0123880B1 (ko) 1993-10-15 1994-10-15 가변용량형 압축기용 제어밸브

Country Status (5)

Country Link
US (1) US5531572A (ko)
JP (1) JP3355002B2 (ko)
KR (1) KR0123880B1 (ko)
DE (1) DE4436883C2 (ko)
TW (1) TW270165B (ko)

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KR100196247B1 (ko) * 1995-06-09 1999-06-15 이소가이 지세이 가변 용량 압축기
JP3432995B2 (ja) * 1996-04-01 2003-08-04 株式会社豊田自動織機 可変容量型圧縮機用制御弁
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JP3564929B2 (ja) * 1997-03-31 2004-09-15 株式会社豊田自動織機 圧縮機
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JP3982237B2 (ja) 2001-11-06 2007-09-26 株式会社豊田自動織機 可変容量圧縮機および該可変容量圧縮機を備えた空調装置、可変容量圧縮機における制御方法
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KR102112763B1 (ko) * 2019-02-01 2020-06-04 주식회사 케이씨 자동화 가스공급장치
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KR102115454B1 (ko) * 2019-11-08 2020-05-26 에너진(주) 수소가스 증압장치
KR102145975B1 (ko) * 2019-11-08 2020-08-19 에너진(주) 수소충전 스테이션
KR102115455B1 (ko) * 2019-11-27 2020-06-05 에너진(주) 수소충전 노즐

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Also Published As

Publication number Publication date
TW270165B (ko) 1996-02-11
DE4436883C2 (de) 1997-03-20
JP3355002B2 (ja) 2002-12-09
KR0123880B1 (ko) 1997-12-01
JPH07119642A (ja) 1995-05-09
DE4436883A1 (de) 1995-04-20
US5531572A (en) 1996-07-02

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