NZ195799A - Hydraulic pump and motor for a drive transmission means;pump repetitively unloaded - Google Patents

Hydraulic pump and motor for a drive transmission means;pump repetitively unloaded

Info

Publication number
NZ195799A
NZ195799A NZ195799A NZ19579980A NZ195799A NZ 195799 A NZ195799 A NZ 195799A NZ 195799 A NZ195799 A NZ 195799A NZ 19579980 A NZ19579980 A NZ 19579980A NZ 195799 A NZ195799 A NZ 195799A
Authority
NZ
New Zealand
Prior art keywords
pump
unloaded
rotor
repetitively
medium
Prior art date
Application number
NZ195799A
Other languages
English (en)
Inventor
M R Marsh
Original Assignee
M R Marsh
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 M R Marsh filed Critical M R Marsh
Publication of NZ195799A publication Critical patent/NZ195799A/en

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
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/20—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with dissimilar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Rotary Pumps (AREA)
  • Vehicle Body Suspensions (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Surgical Instruments (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Adjustment And Processing Of Grains (AREA)
NZ195799A 1979-12-10 1980-12-10 Hydraulic pump and motor for a drive transmission means;pump repetitively unloaded NZ195799A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPE167379 1979-12-10

Publications (1)

Publication Number Publication Date
NZ195799A true NZ195799A (en) 1984-07-31

Family

ID=3768379

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ195799A NZ195799A (en) 1979-12-10 1980-12-10 Hydraulic pump and motor for a drive transmission means;pump repetitively unloaded

Country Status (10)

Country Link
US (1) US4493188A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0041518A4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS56501687A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU541373B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR8008972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1166933A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (2) IT8083479A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ195799A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1981001729A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA807701B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305972B (en) * 1995-10-04 1999-02-24 Rover Group Rotary pump
US6042352A (en) * 1998-08-12 2000-03-28 Argo-Tech Corporation Bearing with pulsed bleed configuration
US20080050262A1 (en) * 2006-08-24 2008-02-28 Sam J. Jacobsen Rotary pump having a valve rotor and one or more vane rotors and methods for pumping fluids
US8168007B1 (en) * 2008-06-19 2012-05-01 Pump Systems, LLC Multi-function hose maintenance system
US8616176B2 (en) * 2010-04-21 2013-12-31 Sumner Properties, Llc Rotary internal combustion engine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2264375A (en) * 1939-05-16 1941-12-02 Air Assoclates Inc Unloading valve
US2513304A (en) * 1945-02-19 1950-07-04 Lloyd F Fraser Hydraulic pump unloading valve
GB752610A (en) * 1953-08-11 1956-07-11 Emmerich Satzger Improvements relating to gear pumps
US2936716A (en) * 1955-07-11 1960-05-17 Ivan L Looker Gear type fluid pump
DE1553031C3 (de) * 1965-10-29 1974-03-14 Eisenwerke Kaiserslautern Gmbh, 6750 Kaiserslautern Drehkolbenpumpe zum Fördern zähflüssiger Stoffe
BE790061A (fr) * 1971-10-14 1973-02-01 Ransburg Corp Pompe volumetrique rotative
AU6517474A (en) * 1973-03-05 1975-08-07 Caterpillar Tractor Co Hydraulic pump unloading circuit
DE2339872A1 (de) * 1973-08-07 1975-02-20 Bosch Gmbh Robert Regelbare zahnradmaschine
US3853437A (en) * 1973-10-18 1974-12-10 Us Army Split cycle cryogenic cooler with rotary compressor
DE2451021B2 (de) * 1974-10-26 1980-04-24 Maschinenfabrik Augsburg-Nuernberg Ag, 8000 Muenchen Vorrichtung zum Einspeichern bzw. Ausspeichem von Bremsenergie in einen bzw. aus einem Schwungmassenspeicher
US4059368A (en) * 1975-05-14 1977-11-22 Ingersoll-Rand Company Gas compressor unloading means
US4025239A (en) * 1975-12-30 1977-05-24 Carrier Corporation Reciprocating compressors
DE2638374A1 (de) * 1976-08-26 1978-03-02 Klaus Dipl Ing Heinscher Fahrzeugantrieb
US4110981A (en) * 1977-08-17 1978-09-05 Murphy John R Hydraulic motor with air distributor-operated valves
IT1156971B (it) * 1978-04-20 1987-02-04 Fiat Spa Sistema di trasmissione idraulica della potenza da un motore a combustione interna alle ruote di un autoveicolo, con recupero dell'energia cinetica
US4274257A (en) * 1979-01-08 1981-06-23 Eaton Corporation Anti-stall controller

Also Published As

Publication number Publication date
CA1166933A (en) 1984-05-08
EP0041518A4 (en) 1984-03-01
IT8083478A0 (it) 1980-12-09
ZA807701B (en) 1981-12-30
EP0041518A1 (en) 1981-12-16
BR8008972A (pt) 1981-10-20
JPS56501687A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-11-19
WO1981001729A1 (en) 1981-06-25
AU6575880A (en) 1981-07-06
US4493188A (en) 1985-01-15
IT8083479A0 (it) 1980-12-09
AU541373B2 (en) 1985-01-03

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