GB1315270A - Gear pump - Google Patents

Gear pump

Info

Publication number
GB1315270A
GB1315270A GB5320771A GB5320771A GB1315270A GB 1315270 A GB1315270 A GB 1315270A GB 5320771 A GB5320771 A GB 5320771A GB 5320771 A GB5320771 A GB 5320771A GB 1315270 A GB1315270 A GB 1315270A
Authority
GB
United Kingdom
Prior art keywords
gears
gear pump
spring
wear plate
wear
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
GB5320771A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from IT1286071A external-priority patent/IT1005031B/en
Application filed by Individual filed Critical Individual
Publication of GB1315270A publication Critical patent/GB1315270A/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
    • 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
    • F04C2/086—Carter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

1315270 Wire springs M TUROLLA 16 Nov 1971 [28 Nov 1970 10 Aug 1971] 53207/71 Heading F2S [Also in Division F1] A spring 10 resembling a hair-pin bent to the shape of a letter Z is lodged in a gear pump to bias a wear plate away from the gears, Figs. 1 to 3 (not shown). The free ends of the spring are fixed in bores in the pump casing and the upper side of the arm 210 according to Fig. 4 abuts the wear plate, this arm being deflected downwardly when the wear plate is sucked towards the gears. The spring 12 has its arms 112 inclined outwardly and is located in a gear pump so as to urge a pair of wear plates away from the gears, Figs. 5 to 7 (not shown), the arms being deflected towards each other when the wear plates are sucked towards the gears.
GB5320771A 1970-11-28 1971-11-16 Gear pump Expired GB1315270A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1305670 1970-11-28
IT1286071A IT1005031B (en) 1971-08-10 1971-08-10 SAFETY DEVICE FOR GEAR PUMPS SUITABLE FOR PREVENTING THEM FROM TIGHTENING AND THE CONSEQUENT WEAR OR GRIPPING OF THE ROLLS OR PLATES ON THE INTAKE SIDE IN THE EVENT OF THIS LAST DEPRESSION CAUSES SYSTEM FAILURE

Publications (1)

Publication Number Publication Date
GB1315270A true GB1315270A (en) 1973-05-02

Family

ID=26326611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5320771A Expired GB1315270A (en) 1970-11-28 1971-11-16 Gear pump

Country Status (9)

Country Link
US (1) US3790316A (en)
AT (1) AT316996B (en)
BE (1) BE775832A (en)
CH (1) CH529295A (en)
DE (1) DE2157725C3 (en)
ES (1) ES397812A1 (en)
FR (1) FR2115414B1 (en)
GB (1) GB1315270A (en)
NL (1) NL7116350A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102494068A (en) * 2011-12-21 2012-06-13 广东中博汽车零部件有限公司 Special-shaped helical compression spring and back disc type brake caliper assembly with same
US10731701B2 (en) * 2018-07-23 2020-08-04 Hamilton Sunstrand Corporation High efficiency gear pump bearing assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695566A (en) * 1950-05-19 1954-11-30 Borg Warner Pump, bushing graduated pressure responsive areas
DE912782C (en) * 1952-03-06 1954-06-03 Plessey Co Ltd High pressure gear pump for fluids
US3104616A (en) * 1961-08-14 1963-09-24 Clark Equipment Co Pressure loaded gear pump

Also Published As

Publication number Publication date
FR2115414B1 (en) 1973-06-29
ES397812A1 (en) 1974-05-16
DE2157725A1 (en) 1972-05-31
BE775832A (en) 1972-03-16
NL7116350A (en) 1972-05-30
CH529295A (en) 1972-10-15
DE2157725B2 (en) 1980-08-14
FR2115414A1 (en) 1972-07-07
US3790316A (en) 1974-02-05
AT316996B (en) 1974-08-12
DE2157725C3 (en) 1981-08-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee