[go: up one dir, main page]

SE315066B - - Google Patents

Info

Publication number
SE315066B
SE315066B SE8498/67A SE849867A SE315066B SE 315066 B SE315066 B SE 315066B SE 8498/67 A SE8498/67 A SE 8498/67A SE 849867 A SE849867 A SE 849867A SE 315066 B SE315066 B SE 315066B
Authority
SE
Sweden
Prior art keywords
valve
line
pressure
chamber
compressor
Prior art date
Application number
SE8498/67A
Other languages
English (en)
Inventor
J Persson
H Olofsson
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of SE315066B publication Critical patent/SE315066B/xx

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
    • 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
    • F04B25/00—Multi-stage pumps
    • F04B25/005—Multi-stage pumps with two 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
    • 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
    • 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
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of 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
    • 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
    • F04B49/24—Bypassing
    • 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
    • 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
    • F04C28/02—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Reciprocating Pumps (AREA)
SE8498/67A 1966-06-23 1967-06-16 SE315066B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US564474A US3367562A (en) 1966-06-23 1966-06-23 Means for unloading and controlling compressor units

Publications (1)

Publication Number Publication Date
SE315066B true SE315066B (xx) 1969-09-22

Family

ID=24254613

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8498/67A SE315066B (xx) 1966-06-23 1967-06-16

Country Status (5)

Country Link
US (1) US3367562A (xx)
BE (1) BE700265A (xx)
DE (1) DE1628144C3 (xx)
GB (1) GB1162067A (xx)
SE (1) SE315066B (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448916A (en) * 1967-06-16 1969-06-10 Ingersoll Rand Co Unloading system for compressors
US3860363A (en) * 1973-05-10 1975-01-14 Chicago Pneumatic Tool Co Rotary compressor having improved control system
DD110920A1 (xx) * 1974-02-22 1975-01-12
US4171188A (en) * 1976-08-03 1979-10-16 Chicago Pneumatic Tool Company Rotary air compressors with intake valve control and lubrication system
IT1103276B (it) * 1977-05-25 1985-10-14 Hydrovane Compressor Compressore a capsulismo a tenuta di olio
DE2737677C2 (de) * 1977-08-20 1984-05-10 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Einrichtung zur Fördermengenregelung von Verdichtern
US4219312A (en) * 1978-10-20 1980-08-26 Hitachi, Ltd. Volume control system for compressor unit
DE2944053A1 (de) * 1979-10-31 1981-05-14 Isartaler Schraubenkompressoren Gmbh, 8192 Gertsried Ansaugsteuervorrichtung fuer einen verdichter
US4227380A (en) * 1979-11-09 1980-10-14 Frick Company Single casing, multiple duty valve
JPS6062690A (ja) * 1983-09-16 1985-04-10 Toyoda Autom Loom Works Ltd 部分負荷運転の可能なロ−タリ圧縮機
JPS60101295A (ja) * 1983-11-08 1985-06-05 Sanden Corp 圧縮容量可変型のスクロ−ル型圧縮機
JPS60249694A (ja) * 1984-05-25 1985-12-10 Hitachi Ltd 圧縮機の起動アンロ−ド装置
JPH0739828B2 (ja) * 1986-09-01 1995-05-01 株式会社日立製作所 多段圧縮機の容量制御装置
SE469437B (sv) * 1987-10-28 1993-07-05 Stal Refrigeration Ab Reglersystem foer reglering av en rotationskompressors inre volymfoerhaallande
JP2966575B2 (ja) * 1991-05-29 1999-10-25 株式会社日立製作所 オイルフリースクロール圧縮機
US5211542A (en) * 1992-10-19 1993-05-18 Carrier Corporation Method and apparatus for oil sump pressure control
BE1007135A6 (nl) * 1993-06-16 1995-04-04 Atlas Copco Airpower Nv Regelinrichting met start- en stopinrichting voor schroefkompressoren, en daarbij gebruikte start- en stopinrichting.
JP3549631B2 (ja) * 1995-06-26 2004-08-04 サンデン株式会社 可変容量型スクロール圧縮機
JP3817420B2 (ja) * 2000-10-31 2006-09-06 株式会社日立産機システム 回転速度可変形オイルフリースクリュー圧縮機およびその運転制御方法
BE1015079A4 (nl) * 2002-08-22 2004-09-07 Atlas Copco Airpower Nv Compressor met drukontlasting.
DE102005040921B4 (de) * 2005-08-30 2008-10-23 Dienes Werke für Maschinenteile GmbH & Co KG Trockenlaufender Schraubenverdichter mit pneumatisch gesteuertem Entlüftungsventil
WO2008030760A2 (en) * 2006-09-05 2008-03-13 New York Air Brake Corporation Oil-free air compressor system with inlet throttle
US9145877B2 (en) 2011-11-22 2015-09-29 Thermo King Corporation Compressor unloading device
CN107575426B (zh) * 2017-09-21 2023-09-15 中国三冶集团有限公司 氧气混合天然气动力管网用大口径弯管机液压系统
CN115406134B (zh) * 2021-05-27 2024-06-14 上海兴邺材料科技有限公司 空调系统及空调系统的控制方法
US11841718B1 (en) 2022-07-08 2023-12-12 Ingersoll-Rand Industrial U.S., Inc. Pneumatic inlet/blowdown valve assembly
CN115839357B (zh) * 2023-02-10 2024-01-12 青岛力克川液压机械有限公司 一种用于液压回转马达的延时制动控制阀

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE76256C (de) * J. P. Sauer u. Sohn in Suhl Ausziehvorrichtung für Kipplaufgewehre
US1968985A (en) * 1933-10-27 1934-08-07 Dayton Air Compressor Company Vacuum controlled unloading valve
US2044867A (en) * 1934-06-01 1936-06-23 Ingersoll Rand Co Regulating device for vacuum pumps
US2213743A (en) * 1938-12-01 1940-09-03 Robert G Miner Control apparatus for unloading compressors
US2637485A (en) * 1946-10-30 1953-05-05 Yeomans Brothers Co Unloading system for compressors
US2661145A (en) * 1947-03-11 1953-12-01 Guardite Corp Antisurge control for refrigeration compressors
US2613026A (en) * 1948-11-13 1952-10-07 Sun Oil Co Vacuum pump suction control
US3191854A (en) * 1960-06-02 1965-06-29 Atlas Copco Ab Compressor units
US3255954A (en) * 1962-07-06 1966-06-14 Atlas Copco Ab Positive displacement compressors

Also Published As

Publication number Publication date
DE1628144B2 (de) 1978-10-05
DE1628144A1 (de) 1971-10-07
GB1162067A (en) 1969-08-20
DE1628144C3 (de) 1979-06-13
US3367562A (en) 1968-02-06
BE700265A (xx) 1967-12-01

Similar Documents

Publication Publication Date Title
SE315066B (xx)
US3487993A (en) Compressor bleed air flow control
GB1504254A (en) Exhaust gas recirculation system for a diesel engine
GB1213573A (en) High-pressure valve with low-pressure operating device
GB1206261A (en) By-pass valve for controlling air flow in an internal combustion engine exhaust system air injector
GB1314750A (en) Dual circuit brake valve
GB1442509A (en) Engine exhaust gas recirculating system
GB1259414A (xx)
GB1311492A (en) Control device for motor-driven compressors
US4337689A (en) Safety system for a double acting servomotor
US2376937A (en) Vacuum motor system
GB1459720A (en) Fuel control for a gas turbine engine having auxiliary air bleed
GB1461923A (en) Blower valve assembly for vacuum conveyor system
US2432553A (en) Compressor system
GB1153381A (en) Tank Coupling.
US1864132A (en) Compressor system
GB1316390A (en) Carburettor for motor vehicles
US4651766A (en) Vacuum limiting arrangement
US3122308A (en) Control devices for motor-driven compressors
US2376588A (en) Fluid pressure mechanism
GB1405472A (en) Fluid operating corporation electrical discharge machining apparatus
GB1185055A (en) Vehicle Speed Control Device
GB947897A (en) Fluid control valves
US2615299A (en) Vacuum booster for internal-combustion engines
US2649241A (en) Control valve for air compressor systems