GB1547944A - Gear pumps or motors - Google Patents

Gear pumps or motors

Info

Publication number
GB1547944A
GB1547944A GB1469077A GB1469077A GB1547944A GB 1547944 A GB1547944 A GB 1547944A GB 1469077 A GB1469077 A GB 1469077A GB 1469077 A GB1469077 A GB 1469077A GB 1547944 A GB1547944 A GB 1547944A
Authority
GB
United Kingdom
Prior art keywords
motors
gear pumps
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.)
Expired
Application number
GB1469077A
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Priority to GB1469077A priority Critical patent/GB1547944A/en
Publication of GB1547944A publication Critical patent/GB1547944A/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
    • F04C2/088—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)
GB1469077A 1978-04-05 1978-04-05 Gear pumps or motors Expired GB1547944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1469077A GB1547944A (en) 1978-04-05 1978-04-05 Gear pumps or motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1469077A GB1547944A (en) 1978-04-05 1978-04-05 Gear pumps or motors

Publications (1)

Publication Number Publication Date
GB1547944A true GB1547944A (en) 1979-07-04

Family

ID=10045832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1469077A Expired GB1547944A (en) 1978-04-05 1978-04-05 Gear pumps or motors

Country Status (1)

Country Link
GB (1) GB1547944A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328745A2 (en) * 1988-02-19 1989-08-23 Otto Eckerle GmbH & Co.KG Internal gear machine
EP0731276A2 (en) * 1996-06-07 1996-09-11 Maag Pump Systems Ag Toothed wheel for gear pump
US11149729B2 (en) * 2017-07-18 2021-10-19 Eaton Intelligent Power Limited Pump with bleed mechanism for reducing cavitation
WO2024137265A1 (en) * 2022-12-19 2024-06-27 Triumph Engine Control Systems, Llc Volume expansion for cavitation reduction in a gear pump mesh
WO2024194176A1 (en) * 2023-03-22 2024-09-26 Eckerle Technologies GmbH Gear for an internal gear fluid machine, method for producing such a gear, and internal gear fluid machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328745A2 (en) * 1988-02-19 1989-08-23 Otto Eckerle GmbH & Co.KG Internal gear machine
EP0328745A3 (en) * 1988-02-19 1990-03-07 Otto Eckerle Gmbh & Co.Kg Internal gear machine
EP0731276A2 (en) * 1996-06-07 1996-09-11 Maag Pump Systems Ag Toothed wheel for gear pump
EP0731276A3 (en) * 1996-06-07 1997-01-08 Maag Pump Systems Ag Toothed wheel for gear pump
US11149729B2 (en) * 2017-07-18 2021-10-19 Eaton Intelligent Power Limited Pump with bleed mechanism for reducing cavitation
WO2024137265A1 (en) * 2022-12-19 2024-06-27 Triumph Engine Control Systems, Llc Volume expansion for cavitation reduction in a gear pump mesh
WO2024194176A1 (en) * 2023-03-22 2024-09-26 Eckerle Technologies GmbH Gear for an internal gear fluid machine, method for producing such a gear, and internal gear fluid machine

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Legal Events

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