EP0528254A3 - Control arrangement for positive displacement pumps - Google Patents

Control arrangement for positive displacement pumps Download PDF

Info

Publication number
EP0528254A3
EP0528254A3 EP19920113259 EP92113259A EP0528254A3 EP 0528254 A3 EP0528254 A3 EP 0528254A3 EP 19920113259 EP19920113259 EP 19920113259 EP 92113259 A EP92113259 A EP 92113259A EP 0528254 A3 EP0528254 A3 EP 0528254A3
Authority
EP
European Patent Office
Prior art keywords
positive displacement
control arrangement
displacement pumps
pumps
arrangement
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
EP19920113259
Other languages
German (de)
Other versions
EP0528254B1 (en
EP0528254A2 (en
Inventor
Reiner Mayer
Wolgang Hohl
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP0528254A2 publication Critical patent/EP0528254A2/en
Publication of EP0528254A3 publication Critical patent/EP0528254A3/en
Application granted granted Critical
Publication of EP0528254B1 publication Critical patent/EP0528254B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
EP92113259A 1991-08-08 1992-08-04 Control arrangement for positive displacement pumps Expired - Lifetime EP0528254B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4126217 1991-08-08
DE4126217A DE4126217A1 (en) 1991-08-08 1991-08-08 CONTROL DEVICE FOR DISPLACEMENT PUMPS

Publications (3)

Publication Number Publication Date
EP0528254A2 EP0528254A2 (en) 1993-02-24
EP0528254A3 true EP0528254A3 (en) 1993-10-20
EP0528254B1 EP0528254B1 (en) 1996-11-13

Family

ID=6437898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113259A Expired - Lifetime EP0528254B1 (en) 1991-08-08 1992-08-04 Control arrangement for positive displacement pumps

Country Status (2)

Country Link
EP (1) EP0528254B1 (en)
DE (2) DE4126217A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335376A1 (en) * 1993-10-16 1995-04-20 Luk Fahrzeug Hydraulik Valve arrangement
DE4426652C1 (en) * 1994-07-15 1995-11-23 Luk Fahrzeug Hydraulik Valve fitting
DE19652420A1 (en) * 1996-12-09 1998-06-10 Luk Fahrzeug Hydraulik Flow control arrangement for a hydraulic conveyor
DE19832719B4 (en) * 1998-07-21 2006-10-26 Zf Friedrichshafen Ag Vane pump
DE10233579A1 (en) * 2002-07-24 2004-02-05 Zf Lenksysteme Gmbh Impeller pump flow regulation valve has a control spring with lengths having different spring constants so that the pump characteristic curve is linear, even at high flow rates

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB510737A (en) * 1937-08-23 1939-08-08 Maschb Ag Improvements in or relating to stepless discharge control of piston compressors
US3359913A (en) * 1965-10-22 1967-12-26 Chrysler Corp Hydraulic pump
DE2249149A1 (en) * 1971-10-08 1973-04-12 Ford Werke Ag DISPLACEMENT PUMP
DE2704754A1 (en) * 1977-02-04 1978-08-17 Speck Kolbenpumpen Fabrik VALVE ARRANGEMENT
EP0026586A1 (en) * 1979-09-27 1981-04-08 General Motors Corporation Flow control valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB510737A (en) * 1937-08-23 1939-08-08 Maschb Ag Improvements in or relating to stepless discharge control of piston compressors
US3359913A (en) * 1965-10-22 1967-12-26 Chrysler Corp Hydraulic pump
DE2249149A1 (en) * 1971-10-08 1973-04-12 Ford Werke Ag DISPLACEMENT PUMP
DE2704754A1 (en) * 1977-02-04 1978-08-17 Speck Kolbenpumpen Fabrik VALVE ARRANGEMENT
EP0026586A1 (en) * 1979-09-27 1981-04-08 General Motors Corporation Flow control valve

Also Published As

Publication number Publication date
EP0528254B1 (en) 1996-11-13
DE4126217A1 (en) 1993-02-11
EP0528254A2 (en) 1993-02-24
DE59207514D1 (en) 1996-12-19

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