JPS5993989A - 回転形圧縮機のアンロ−ダ装置 - Google Patents

回転形圧縮機のアンロ−ダ装置

Info

Publication number
JPS5993989A
JPS5993989A JP20361982A JP20361982A JPS5993989A JP S5993989 A JPS5993989 A JP S5993989A JP 20361982 A JP20361982 A JP 20361982A JP 20361982 A JP20361982 A JP 20361982A JP S5993989 A JPS5993989 A JP S5993989A
Authority
JP
Japan
Prior art keywords
compressor
valve
throttle valve
suction
piston
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.)
Granted
Application number
JP20361982A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0151919B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Akira Suzuki
昭 鈴木
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP20361982A priority Critical patent/JPS5993989A/ja
Publication of JPS5993989A publication Critical patent/JPS5993989A/ja
Publication of JPH0151919B2 publication Critical patent/JPH0151919B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
JP20361982A 1982-11-22 1982-11-22 回転形圧縮機のアンロ−ダ装置 Granted JPS5993989A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20361982A JPS5993989A (ja) 1982-11-22 1982-11-22 回転形圧縮機のアンロ−ダ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20361982A JPS5993989A (ja) 1982-11-22 1982-11-22 回転形圧縮機のアンロ−ダ装置

Publications (2)

Publication Number Publication Date
JPS5993989A true JPS5993989A (ja) 1984-05-30
JPH0151919B2 JPH0151919B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-11-07

Family

ID=16477042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20361982A Granted JPS5993989A (ja) 1982-11-22 1982-11-22 回転形圧縮機のアンロ−ダ装置

Country Status (1)

Country Link
JP (1) JPS5993989A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471492B2 (en) 1998-09-17 2002-10-29 Hitachi, Ltd. Oil free screw compressor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4713639U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-03-12 1972-10-18
JPS57105588A (en) * 1980-12-24 1982-07-01 Hitachi Ltd Starting load reduction device for screw compressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4713639U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-03-12 1972-10-18
JPS57105588A (en) * 1980-12-24 1982-07-01 Hitachi Ltd Starting load reduction device for screw compressor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471492B2 (en) 1998-09-17 2002-10-29 Hitachi, Ltd. Oil free screw compressor
US6638030B2 (en) 1998-09-17 2003-10-28 Hitachi, Ltd. Oil free screw compressor
US6948915B2 (en) 1998-09-17 2005-09-27 Hitachi, Ltd. Oil free screw compressor

Also Published As

Publication number Publication date
JPH0151919B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-11-07

Similar Documents

Publication Publication Date Title
CN100419334C (zh) 输送惰性气体的方法及其系统
US5127386A (en) Apparatus for controlling a supercharger
CN102536814B (zh) 无油螺杆压缩机
JPS58195092A (ja) ねじ圧縮機の制御装置
US3448916A (en) Unloading system for compressors
JPH02264170A (ja) エアコンプレッサアンローダシステム
EP1534956B1 (en) A control method for controlling the gas flow in a compressor
JPS6361780A (ja) 多段圧縮機の容量制御装置
JPS60249694A (ja) 圧縮機の起動アンロ−ド装置
JPS5993989A (ja) 回転形圧縮機のアンロ−ダ装置
US2084665A (en) Compressor unloading device
JPS5993988A (ja) 回転形圧縮機のアンロ−ダ装置
US3915597A (en) Ported unloader sleeve
US1612639A (en) Compressor-intercooler regulator
JP3009255B2 (ja) 給油式スクリュー圧縮機の吸込み絞り弁
JP3070980U (ja) 真空ポンプのオイル逆流防止装置
GB1028286A (en) Rotary compressor
JPH0147633B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN216111191U (zh) 进气阀及无油空气压缩机
CN221647111U (zh) 一种移动式空气压缩机的进气阀结构
JP3356807B2 (ja) エンジンコンプレッサの無負荷運転装置と停止方法
JPS6114638Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6319599Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6211347Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US2170846A (en) Automatic compressor unloader