ES495069A0 - IMPROVEMENTS IN SILENT GEAR PUMPS - Google Patents

IMPROVEMENTS IN SILENT GEAR PUMPS

Info

Publication number
ES495069A0
ES495069A0 ES495069A ES495069A ES495069A0 ES 495069 A0 ES495069 A0 ES 495069A0 ES 495069 A ES495069 A ES 495069A ES 495069 A ES495069 A ES 495069A ES 495069 A0 ES495069 A0 ES 495069A0
Authority
ES
Spain
Prior art keywords
gear pumps
silent gear
silent
pumps
gear
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
ES495069A
Other languages
Spanish (es)
Other versions
ES8105834A1 (en
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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 Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Publication of ES8105834A1 publication Critical patent/ES8105834A1/en
Publication of ES495069A0 publication Critical patent/ES495069A0/en
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
    • 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
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
ES495069A 1979-09-26 1980-09-05 IMPROVEMENTS IN SILENT GEAR PUMPS Granted ES495069A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7923992A FR2465907A1 (en) 1979-09-26 1979-09-26 Gear rotor oil pump - has recess in end cover to reduce cavitation and noise

Publications (2)

Publication Number Publication Date
ES8105834A1 ES8105834A1 (en) 1981-06-16
ES495069A0 true ES495069A0 (en) 1981-06-16

Family

ID=9230045

Family Applications (1)

Application Number Title Priority Date Filing Date
ES495069A Granted ES495069A0 (en) 1979-09-26 1980-09-05 IMPROVEMENTS IN SILENT GEAR PUMPS

Country Status (2)

Country Link
ES (1) ES495069A0 (en)
FR (1) FR2465907A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902202A (en) * 1987-07-29 1990-02-20 Hydreco, Inc. Variable discharge gear pump with energy recovery
DE19721621C2 (en) * 1997-05-23 2000-02-03 Bosch Gmbh Robert Gear machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191114343A (en) * 1911-06-16 1911-11-23 Herbert Thomas Herring Improvements in Rotary Pumps.
US2821929A (en) * 1954-06-21 1958-02-04 Bendix Aviat Corp Gear type positive displacement pump
US3303792A (en) * 1964-04-20 1967-02-14 Roper Ind Inc Gear pump with trapping reliefs
DE1553090A1 (en) * 1965-12-10 1970-01-08 Kracht Pumpen Motoren Gear pump or motor for high pressures
US4130383A (en) * 1977-06-23 1978-12-19 Borg-Warner Corporation Apparatus for noise suppression in a gear pump

Also Published As

Publication number Publication date
FR2465907B1 (en) 1982-11-05
ES8105834A1 (en) 1981-06-16
FR2465907A1 (en) 1981-03-27

Similar Documents

Publication Publication Date Title
ES495523A0 (en) IMPROVEMENTS IN THE MIXING VALVES
DK146454C (en) GEAR PUMP
AR210665A1 (en) IMPROVEMENTS IN TRANSMISSIONS
ES492946A0 (en) IMPROVEMENTS IN DISPLACEMENT TRANSDUCERS
ES496466A0 (en) IMPROVEMENTS IN ROTOR HOUSING
AT355378B (en) GEAR
SE7908262L (en) GEAR
AT353103B (en) GEAR PUMP
ES490812A0 (en) IMPROVEMENTS IN GEAR MOTORS
IT1126435B (en) GEAR
ES495069A0 (en) IMPROVEMENTS IN SILENT GEAR PUMPS
IT7822385A0 (en) GEAR MOTOR.
DK134379A (en) GEAR PUMP
ES497789A0 (en) IMPROVEMENTS INTRODUCED IN THE ANTI-RETURN VALVES
ES497307A0 (en) IMPROVEMENTS IN THE CHECK VALVES
ES485301A0 (en) IMPROVEMENTS INTRODUCED IN ANIMATED MUNECAS
DK49980A (en) CRANK DRIVE
PL200610A1 (en) GEAR HOUSING
ES500291A0 (en) IMPROVEMENTS IN THE UNIDIRETIONAL DRIVING MECHANISMS
ES496416A0 (en) IMPROVEMENTS IN ES-CALONADALLY SWITCHABLE PLANETARY GEARS
ES492171A0 (en) IMPROVEMENTS IN TRITUR ADORAS DE CILINDRO.
AR221289A1 (en) IMPROVEMENTS IN GEAR PUMPS
ES488485A0 (en) IMPROVEMENTS IN GEAR PUMPS
BE884046A (en) LEIDINGSTELSEL MET IN WILLEKEURIGE PUNTEN AFTAKBARE LEIDINGKOKERS
MX148886A (en) IMPROVEMENTS IN HYDROSTATIC TRANSMISSIONS