DE2521959A1 - Mehrstufiges hydropumpenaggregat - Google Patents

Mehrstufiges hydropumpenaggregat

Info

Publication number
DE2521959A1
DE2521959A1 DE19752521959 DE2521959A DE2521959A1 DE 2521959 A1 DE2521959 A1 DE 2521959A1 DE 19752521959 DE19752521959 DE 19752521959 DE 2521959 A DE2521959 A DE 2521959A DE 2521959 A1 DE2521959 A1 DE 2521959A1
Authority
DE
Germany
Prior art keywords
liquid
line
pump
lines
outlets
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.)
Withdrawn
Application number
DE19752521959
Other languages
German (de)
English (en)
Inventor
Lowell D Hansen
Melvin F Huber
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.)
Sundstrand Corp
Original Assignee
Sundstrand Corp
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 Sundstrand Corp filed Critical Sundstrand Corp
Publication of DE2521959A1 publication Critical patent/DE2521959A1/de
Withdrawn legal-status Critical Current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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/10—Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/12—Combinations of two or more pumps the pumps being of different types at least one pump being of the rotary-piston positive-displacement type
    • 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
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
DE19752521959 1974-05-17 1975-05-16 Mehrstufiges hydropumpenaggregat Withdrawn DE2521959A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/470,988 US3953153A (en) 1974-05-17 1974-05-17 Multiple displacement pump system and method

Publications (1)

Publication Number Publication Date
DE2521959A1 true DE2521959A1 (de) 1975-12-04

Family

ID=23869855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752521959 Withdrawn DE2521959A1 (de) 1974-05-17 1975-05-16 Mehrstufiges hydropumpenaggregat

Country Status (5)

Country Link
US (2) US3953153A (enExample)
JP (1) JPS50160812A (enExample)
DE (1) DE2521959A1 (enExample)
FR (1) FR2271421B1 (enExample)
GB (1) GB1498710A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939405A1 (de) * 1978-10-03 1980-04-24 Jidosha Kiki Co Umlaufende hydraulische vorrichtung
DE3101516A1 (de) * 1981-01-19 1982-08-26 Alfred Teves Gmbh, 6000 Frankfurt Abschaltpumpe fuer ein hydraulisches system
DE10229809A1 (de) * 2002-07-03 2004-01-15 Zf Lenksysteme Gmbh Flügelzellenpumpe

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259044A (en) * 1979-05-15 1981-03-31 Trw Inc. Fuel pump assembly
US4591317A (en) * 1983-04-19 1986-05-27 Sundstrand Corporation Dual pump controls
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
US5147183A (en) * 1991-03-11 1992-09-15 Ford Motor Company Rotary vane pump having enhanced cold start priming
DE4136150A1 (de) * 1991-11-02 1993-05-06 Zf Friedrichshafen Ag, 7990 Friedrichshafen, De Fluegelzellenpumpe
US5797732A (en) * 1993-12-28 1998-08-25 Unisia Jecs Corporation Variable capacity pump having a pressure responsive relief valve arrangement
US5513732A (en) * 1994-08-05 1996-05-07 Ford Motor Company Regulation of hydraulic pressure in a system having multiple pressure sources
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
US6102001A (en) * 1998-12-04 2000-08-15 Woodward Governor Company Variable displacement pump fuel metering system and electrohydraulic servo-valve for controlling the same
US7371053B2 (en) * 2004-07-29 2008-05-13 General Motors Corporation Two-stage hydraulic pump
ES2484373T3 (es) * 2009-10-07 2014-08-11 Magna Powertrain Bad Homburg GmbH Bomba de aletas
US8596993B2 (en) * 2010-01-07 2013-12-03 Woodward, Inc. Dual-pump supply system with bypass-controlled flow regulator
US8523537B2 (en) 2010-08-23 2013-09-03 Woodward, Inc. Integral plus proportional dual pump switching system
DE102010062668A1 (de) * 2010-12-08 2012-06-14 Robert Bosch Gmbh Kraftstofffördersystem einer Brennkraftmaschine, mit einer Rotationspumpe
US8834134B2 (en) 2010-12-20 2014-09-16 Woodward, Inc. Flow sensing dual pump switching system and method
US8888466B2 (en) * 2011-05-05 2014-11-18 Johnson Controls Technology Company Compressor
US10428816B2 (en) 2016-10-24 2019-10-01 Hamilton Sundstrand Corporation Variable speed multi-stage pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788770A (en) * 1972-06-15 1974-01-29 Gen Motors Corp Fluid pump with flow control means

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191103688A (en) * 1911-02-14 1911-11-02 Oliver Danson North Improvements in Rotary Pumps, Engines and the like.
US2255560A (en) * 1937-02-20 1941-09-09 Siemens App Und Maschinen Gmbh Hydraulic power system
US2256459A (en) * 1941-02-12 1941-09-16 Manly Corp Fluid pressure device
US2665637A (en) * 1947-05-07 1954-01-12 Borg Warner Pumping system
US2835323A (en) * 1953-10-13 1958-05-20 Plessey Co Ltd Fuel systems for internal combustion engines and gas turbines
US2782718A (en) * 1955-05-04 1957-02-26 Vickers Inc Speed-compensated flow control
US3081706A (en) * 1960-05-09 1963-03-19 Thompson Ramo Wooldridge Inc Slipper sealing means for a dual acting pump
US3589841A (en) * 1970-01-28 1971-06-29 Gen Electric Contaminant separation from a rotary vane pump
US3639089A (en) * 1970-03-26 1972-02-01 Borg Warner Pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788770A (en) * 1972-06-15 1974-01-29 Gen Motors Corp Fluid pump with flow control means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939405A1 (de) * 1978-10-03 1980-04-24 Jidosha Kiki Co Umlaufende hydraulische vorrichtung
DE3101516A1 (de) * 1981-01-19 1982-08-26 Alfred Teves Gmbh, 6000 Frankfurt Abschaltpumpe fuer ein hydraulisches system
DE3101516C2 (enExample) * 1981-01-19 1987-11-12 Alfred Teves Gmbh, 6000 Frankfurt, De
DE10229809A1 (de) * 2002-07-03 2004-01-15 Zf Lenksysteme Gmbh Flügelzellenpumpe

Also Published As

Publication number Publication date
US4102606A (en) 1978-07-25
FR2271421A1 (enExample) 1975-12-12
JPS50160812A (enExample) 1975-12-26
US3953153A (en) 1976-04-27
GB1498710A (en) 1978-01-25
FR2271421B1 (enExample) 1981-05-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8181 Inventor (new situation)

Free format text: HUBER, MELVIN F. HANSEN, LOWELL D., ROCKFORD, ILL., US

8139 Disposal/non-payment of the annual fee