NL6910551A - - Google Patents

Info

Publication number
NL6910551A
NL6910551A NL6910551A NL6910551A NL6910551A NL 6910551 A NL6910551 A NL 6910551A NL 6910551 A NL6910551 A NL 6910551A NL 6910551 A NL6910551 A NL 6910551A NL 6910551 A NL6910551 A NL 6910551A
Authority
NL
Netherlands
Application number
NL6910551A
Other versions
NL163858C (en
NL163858B (en
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 filed Critical
Publication of NL6910551A publication Critical patent/NL6910551A/xx
Publication of NL163858B publication Critical patent/NL163858B/en
Application granted granted Critical
Publication of NL163858C publication Critical patent/NL163858C/en

Links

Classifications

    • 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)
  • Casings For Electric Apparatus (AREA)
  • Fire-Detection Mechanisms (AREA)
NL6910551A 1968-07-12 1969-07-09 GEAR PUMP. NL163858C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3328968A GB1278050A (en) 1968-07-12 1968-07-12 Flameproof enclosures
DE19681703802 DE1703802C3 (en) 1968-07-12 Gear pump

Publications (3)

Publication Number Publication Date
NL6910551A true NL6910551A (en) 1970-01-14
NL163858B NL163858B (en) 1980-05-16
NL163858C NL163858C (en) 1980-10-15

Family

ID=25754677

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6910551A NL163858C (en) 1968-07-12 1969-07-09 GEAR PUMP.

Country Status (6)

Country Link
BE (1) BE735993A (en)
CH (1) CH493740A (en)
DE (1) DE1935147A1 (en)
FR (2) FR2012843A1 (en)
GB (2) GB1278050A (en)
NL (1) NL163858C (en)

Families Citing this family (9)

* 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
GB2252671B (en) * 1991-02-07 1994-08-03 Long & Crawford Limited High power switching arrangement
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
FR2012893A1 (en) 1970-03-27
NL163858C (en) 1980-10-15
DE1703802A1 (en) 1972-04-13
BE735993A (en) 1969-12-16
DE1935147A1 (en) 1970-01-15
GB1278050A (en) 1972-06-14
GB1271677A (en) 1972-04-26
NL163858B (en) 1980-05-16
FR2012843A1 (en) 1970-03-27
DE1703802B2 (en) 1977-01-27
CH493740A (en) 1970-07-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee