GB1206266A - Gear pumps and motors - Google Patents

Gear pumps and motors

Info

Publication number
GB1206266A
GB1206266A GB06020/69A GB1602069A GB1206266A GB 1206266 A GB1206266 A GB 1206266A GB 06020/69 A GB06020/69 A GB 06020/69A GB 1602069 A GB1602069 A GB 1602069A GB 1206266 A GB1206266 A GB 1206266A
Authority
GB
United Kingdom
Prior art keywords
plate
wear
gears
groove
sealing member
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
GB06020/69A
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.)
SPX Corp
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Publication of GB1206266A publication Critical patent/GB1206266A/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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0023—Axial sealings for working fluid
    • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps

Abstract

1,206,266. 266. Rotary positive-displacement pumps and motors. GENERAL SIGNAL CORP. March 27, 1969 [June 12, 1968], No.16020/69. Heading F1F. A rotary positive-displacement fluid-pump, or motor, of the externally-meshing gear-type has a pressure-loaded axially-movable wear-plate 18 abutting end-faces of gears 15, 17, the side of said plate farthest from the gears being divided into two separate areas by a sealing member 37, which areas are subject to the pressure of working fluid leaking across the outer edge of the plate from an inlet port 38 and an outlet port 39, respectively. The member 37 is made of a relatively hard material e.g. phenolic resin, and is partially lodged in a groove within an end cover 12 of the housing, which groove contains a sealing member 27 of channel cross-section and made of an elastomeric material, a similar, but thicker, sealing member 24 rendered integral therewith being situated in said cover radially beyond the wear-plate. The member 37 prevents extrusion of the member 27 and has its ends abutting shoulders, or steps, 35 formed in the member 27 adjacent the member 24 to obviate leakage thereat. Lubrication of shafts 14, 16 for the gears is effected by leakage of working fluid from the region of the port 39 through grooves (22, 23), Fig.6 (not shown), in a bronze face (21) of the wear-plate adjacent the gears. A resilient dam 41 in a groove within the cover 12 abuts the wear-plate and restricts the flow of fluid from the shafts to the inlet port 38 across the back of the wear-plate.
GB06020/69A 1968-06-12 1969-03-27 Gear pumps and motors Expired GB1206266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73632468A 1968-06-12 1968-06-12

Publications (1)

Publication Number Publication Date
GB1206266A true GB1206266A (en) 1970-09-23

Family

ID=24959437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB06020/69A Expired GB1206266A (en) 1968-06-12 1969-03-27 Gear pumps and motors

Country Status (5)

Country Link
US (1) US3482524A (en)
DE (1) DE1921385A1 (en)
FR (1) FR2010711A1 (en)
GB (1) GB1206266A (en)
SE (1) SE339627B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923304A (en) * 1972-06-30 1974-03-01

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778200A (en) * 1972-02-02 1973-12-11 Weatherhead Co Rotary fluid pump or motor
FR2215103A5 (en) * 1973-01-23 1974-08-19 Hydroperfect Int
US3841804A (en) * 1973-02-08 1974-10-15 Trw Inc Floating plate for end clearance seal on gear pumps
US4242066A (en) * 1978-08-24 1980-12-30 Commercial Shearing, Inc. Rotary pumps and motors and thrust plates therefor
GB2051241B (en) * 1979-06-16 1983-03-16 Dowty Hydraulic Units Ltd Rotary positive-displacement fluid-pressure machines
FR2543229B1 (en) * 1983-03-22 1985-08-16 Hydroperfect Int DEVICE FOR HYDROSTATIC COMPENSATION OF GEAR TYPE HYDRAULIC PUMPS AND MOTORS
US4636155A (en) * 1984-06-29 1987-01-13 Commercial Shearing, Inc. Hydraulic seal having U-shaped gasket and a plurality of plastically deformable posts
JPH0741905Y2 (en) * 1990-02-16 1995-09-27 株式会社小松製作所 Gear pump sealing device
DE4225804C2 (en) * 1992-08-05 1998-12-24 Bosch Gmbh Robert Gear machine
US5641281A (en) * 1995-11-20 1997-06-24 Lci Corporation Lubricating means for a gear pump
US5810571A (en) * 1997-01-21 1998-09-22 Melling Tool Company High performance oil pump
US6213745B1 (en) * 1999-05-03 2001-04-10 Dynisco High-pressure, self-lubricating journal bearings
US6716011B2 (en) 2001-06-14 2004-04-06 Monarch Hydraulics, Inc. Hydraulic pump utilizing floating shafts
JP4598098B2 (en) * 2008-03-13 2010-12-15 日立オートモティブシステムズ株式会社 Gear pump sealing device
US20110262288A1 (en) * 2010-04-21 2011-10-27 Jeffrey Leaverton Wear plate kit for brass water pump
WO2012150077A1 (en) 2011-05-02 2012-11-08 Magna Powertrain Ag & Co Kg Lubrication device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2816510A (en) * 1949-08-18 1957-12-17 Plessey Co Ltd Gear pump
US2809592A (en) * 1954-01-13 1957-10-15 Cessna Aircraft Co Rotary pump or motor
US2842066A (en) * 1954-05-21 1958-07-08 Plessey Co Ltd Gear pump
US3096719A (en) * 1960-04-29 1963-07-09 Webster Electric Co Inc Rotary pump or motor
US3101673A (en) * 1961-06-16 1963-08-27 Thompson Ramo Wooldridge Inc Implement and power steering pump
US3131643A (en) * 1962-10-25 1964-05-05 New York Air Brake Co Engine
US3213799A (en) * 1962-12-26 1965-10-26 Webster Electric Co Inc Rotary pump or motor
US3270680A (en) * 1964-12-17 1966-09-06 Kingston Products Corp Pressure loaded gear pump
US3371615A (en) * 1967-01-16 1968-03-05 Borg Warner Pressure loaded pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923304A (en) * 1972-06-30 1974-03-01

Also Published As

Publication number Publication date
FR2010711A1 (en) 1970-02-20
US3482524A (en) 1969-12-09
SE339627B (en) 1971-10-11
DE1921385A1 (en) 1969-12-18

Similar Documents

Publication Publication Date Title
GB1206266A (en) Gear pumps and motors
GB1390631A (en) Rotary positive-displacement fluid machine
GB1294932A (en)
GB987608A (en) Gear pump or motor
GB769763A (en) Improvements in or relating to gear pumps
US3539282A (en) Gear pump or motor
US3073251A (en) Hydraulic machines
US3891360A (en) Gear machine with axially movable end wall seal
GB1428654A (en) Gear pumps
GB1206524A (en) Hydraulic gear pumps and motors
GB1079127A (en) Rotary piston machines
GB994859A (en) Gear pumps and motors
US3043230A (en) High pressure gear pump
ES340951A1 (en) Rotary pump or motor
US2287318A (en) Balanced pressure metering pump
US3847519A (en) Gear pump arrangement
GB1448064A (en) Hydraulic gear pumps and motors
GB1133737A (en) Pressure loaded gear pump
GB1172579A (en) Pressure Loaded Hydraulic Gear Pumps or Motors
US3307489A (en) Gear machine
GB1372481A (en) Gear pump
US2497373A (en) Rotary fluid motor or pump
GB1341414A (en) Variable displacement vane-type rotary pumps or motors
GB1243239A (en) Improvements in and relating to hydraulic gear pumps
GB1013263A (en) Pressure loaded rotary hydraulic pump or motor

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee