DK143462C - GEAR PUMP - Google Patents

GEAR PUMP

Info

Publication number
DK143462C
DK143462C DK372269A DK372269A DK143462C DK 143462 C DK143462 C DK 143462C DK 372269 A DK372269 A DK 372269A DK 372269 A DK372269 A DK 372269A DK 143462 C DK143462 C DK 143462C
Authority
DK
Denmark
Prior art keywords
gear pump
gear
pump
Prior art date
Application number
DK372269A
Other languages
Danish (da)
Other versions
DK143462B (en
Inventor
G L Hansen
J H Petersen
Original Assignee
Danfoss As
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 DE19681703802 external-priority patent/DE1703802C3/en
Application filed by Danfoss As filed Critical Danfoss As
Publication of DK143462B publication Critical patent/DK143462B/en
Application granted granted Critical
Publication of DK143462C publication Critical patent/DK143462C/en

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
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
    • H01H9/043—Explosion-proof cases with pressure-relief devices
    • 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
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F04C15/0049—Equalization of pressure pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
DK372269A 1968-07-12 1969-07-10 GEAR PUMP DK143462C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19681703802 DE1703802C3 (en) 1968-07-12 Gear pump
DE1703802 1968-07-12

Publications (2)

Publication Number Publication Date
DK143462B DK143462B (en) 1981-08-24
DK143462C true DK143462C (en) 1981-12-28

Family

ID=5688567

Family Applications (1)

Application Number Title Priority Date Filing Date
DK372269A DK143462C (en) 1968-07-12 1969-07-10 GEAR PUMP

Country Status (10)

Country Link
AT (1) AT287504B (en)
BE (1) BE735993A (en)
CH (1) CH493740A (en)
DK (1) DK143462C (en)
ES (1) ES369412A1 (en)
FR (1) FR2012893A1 (en)
GB (1) GB1271677A (en)
NL (1) NL163858C (en)
NO (1) NO124327B (en)
SE (1) SE355643B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108884A (en) * 1984-10-31 1986-05-27 Aisin Seiki Co Ltd Trochoid oil pump
JPS6441686A (en) * 1987-08-06 1989-02-13 Giyuuji Negishi Trochoid pump
GB9014601D0 (en) * 1990-06-30 1990-08-22 Concentric Pumps Ltd Improvements relating to gerotor pumps
EP0619430B1 (en) * 1993-03-05 1997-07-23 Siegfried A. Dipl.-Ing. Eisenmann Internal gear pump for high rotary speed range
GB9400989D0 (en) * 1994-01-19 1994-03-16 Hobourn Automotive Ltd Improvements in or relating to pumps
JP3943826B2 (en) * 2000-11-09 2007-07-11 株式会社日立製作所 Oil pump
JP5681571B2 (en) * 2011-06-06 2015-03-11 株式会社山田製作所 Oil pump
DE102013226852A1 (en) 2013-12-20 2015-06-25 Volkswagen Aktiengesellschaft gear pump

Also Published As

Publication number Publication date
GB1271677A (en) 1972-04-26
AT287504B (en) 1971-01-25
NO124327B (en) 1972-04-04
FR2012893A1 (en) 1970-03-27
NL163858B (en) 1980-05-16
ES369412A1 (en) 1971-05-16
DK143462B (en) 1981-08-24
NL163858C (en) 1980-10-15
NL6910551A (en) 1970-01-14
DE1703802A1 (en) 1972-04-13
BE735993A (en) 1969-12-16
SE355643B (en) 1973-04-30
CH493740A (en) 1970-07-15
DE1703802B2 (en) 1977-01-27

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Legal Events

Date Code Title Description
PBP Patent lapsed