NO124327B - - Google Patents

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Info

Publication number
NO124327B
NO124327B NO2796/69A NO279669A NO124327B NO 124327 B NO124327 B NO 124327B NO 2796/69 A NO2796/69 A NO 2796/69A NO 279669 A NO279669 A NO 279669A NO 124327 B NO124327 B NO 124327B
Authority
NO
Norway
Prior art keywords
pressure
groove
center line
suction
chamber
Prior art date
Application number
NO2796/69A
Other languages
English (en)
Norwegian (no)
Inventor
Hansen G Lyshoej
J 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/de
Application filed by Danfoss As filed Critical Danfoss As
Publication of NO124327B publication Critical patent/NO124327B/no

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)
NO2796/69A 1968-07-12 1969-07-03 NO124327B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681703802 DE1703802C3 (de) 1968-07-12 Zahnradpumpe

Publications (1)

Publication Number Publication Date
NO124327B true NO124327B (enrdf_load_stackoverflow) 1972-04-04

Family

ID=5688567

Family Applications (1)

Application Number Title Priority Date Filing Date
NO2796/69A NO124327B (enrdf_load_stackoverflow) 1968-07-12 1969-07-03

Country Status (10)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108884A (ja) * 1984-10-31 1986-05-27 Aisin Seiki Co Ltd トロコイド型オイルポンプ
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 (de) * 1993-03-05 1997-07-23 Siegfried A. Dipl.-Ing. Eisenmann Innenzahnradpumpe für grossen Drehzahlbereich
GB9400989D0 (en) * 1994-01-19 1994-03-16 Hobourn Automotive Ltd Improvements in or relating to pumps
JP3943826B2 (ja) * 2000-11-09 2007-07-11 株式会社日立製作所 オイルポンプ
JP5681571B2 (ja) * 2011-06-06 2015-03-11 株式会社山田製作所 オイルポンプ
DE102013226852A1 (de) 2013-12-20 2015-06-25 Volkswagen Aktiengesellschaft Zahnradpumpe

Also Published As

Publication number Publication date
FR2012893A1 (enrdf_load_stackoverflow) 1970-03-27
DE1703802A1 (de) 1972-04-13
GB1271677A (en) 1972-04-26
CH493740A (de) 1970-07-15
AT287504B (de) 1971-01-25
DK143462B (da) 1981-08-24
DE1703802B2 (de) 1977-01-27
NL6910551A (nl) 1970-01-14
SE355643B (enrdf_load_stackoverflow) 1973-04-30
NL163858B (nl) 1980-05-16
ES369412A1 (es) 1971-05-16
NL163858C (nl) 1980-10-15
BE735993A (fr) 1969-12-16
DK143462C (da) 1981-12-28

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