GB1491969A - Gear pumps or motors - Google Patents

Gear pumps or motors

Info

Publication number
GB1491969A
GB1491969A GB1904775A GB1904775A GB1491969A GB 1491969 A GB1491969 A GB 1491969A GB 1904775 A GB1904775 A GB 1904775A GB 1904775 A GB1904775 A GB 1904775A GB 1491969 A GB1491969 A GB 1491969A
Authority
GB
United Kingdom
Prior art keywords
tooth
teeth
contact
involute
unmodified
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.)
Expired
Application number
GB1904775A
Other languages
English (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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1491969A publication Critical patent/GB1491969A/en
Expired 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
    • F04C2/084—Toothed wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Gear Transmission (AREA)
GB1904775A 1974-05-07 1975-05-06 Gear pumps or motors Expired GB1491969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742421891 DE2421891A1 (de) 1974-05-07 1974-05-07 Zahnradmotor

Publications (1)

Publication Number Publication Date
GB1491969A true GB1491969A (en) 1977-11-16

Family

ID=5914792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1904775A Expired GB1491969A (en) 1974-05-07 1975-05-06 Gear pumps or motors

Country Status (3)

Country Link
JP (1) JPS50154644A (https=)
DE (1) DE2421891A1 (https=)
GB (1) GB1491969A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813853A (en) * 1986-07-19 1989-03-21 Barmag Ag Internal gear pump

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2644531C2 (de) * 1976-10-01 1986-06-12 Fürstlich Hohenzollernsche Hüttenverwaltung Laucherthal, 7480 Sigmaringen Hydrostatische Zahnradmaschine mit einem Trochoidenzahnradpaar
JPS5634994A (en) * 1979-08-27 1981-04-07 Kayaba Ind Co Ltd Tooth form for gear pump or for motor
DE3809721C1 (https=) * 1988-03-23 1989-06-01 Robert Bosch Gmbh, 7000 Stuttgart, De
EP0754859A3 (de) * 1996-06-07 1997-12-29 Maag Pump Systems Textron AG Zahnrad mit Bohrung
US8137085B2 (en) * 2008-12-18 2012-03-20 Hamilton Sundstrand Corporation Gear pump with slots in teeth to reduce cavitation
WO2017092862A1 (de) 2015-12-04 2017-06-08 Audi Ag AUßENZAHNRADPUMPE
IT201800005956A1 (it) * 2018-06-01 2019-12-01 Macchina volumetrica ad ingranaggi con denti elicoidali

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS505268A (https=) * 1973-05-21 1975-01-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813853A (en) * 1986-07-19 1989-03-21 Barmag Ag Internal gear pump

Also Published As

Publication number Publication date
DE2421891A1 (de) 1975-11-20
JPS50154644A (https=) 1975-12-12

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee