GB1320026A - Rotary fluid-pressure machine such as a pump or motor - Google Patents

Rotary fluid-pressure machine such as a pump or motor

Info

Publication number
GB1320026A
GB1320026A GB4354870A GB4354870A GB1320026A GB 1320026 A GB1320026 A GB 1320026A GB 4354870 A GB4354870 A GB 4354870A GB 4354870 A GB4354870 A GB 4354870A GB 1320026 A GB1320026 A GB 1320026A
Authority
GB
United Kingdom
Prior art keywords
groove
passage
pressure
ring
balance
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
GB4354870A
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.)
Danfoss AS
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
Application filed by Danfoss AS filed Critical Danfoss AS
Publication of GB1320026A publication Critical patent/GB1320026A/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
    • F04C15/0088—Lubrication
    • 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
    • F04C2/102—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 the two members rotating simultaneously around their respective axes

Landscapes

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

Abstract

1320026 Rotary positive-displacement machines DANFOSS AS 11 Sept 1970 [20 Sept 1969] 43548/70 Heading F1F In a machine such as a gerotor-type pump, an annular sealing-element 3 is held against the gear ring 11 and wheel 12 by pressure applied to a chamber 36 through a passage 35 from a groove 25, which to balance the axial pressure in an outlet, or "pressure", groove 23 is identical in shape and axially aligned with the latter. To balance the radial pressure on the high pressure side of the ring 11 a recess 33 and a passage 32 connects a gap 34 between said ring and a housing ring 4 to the groove 23. Leakage fluid collected in a chambers 18, 19 and annular grooves 29, 31 escapes to an inlet, or "suction", groove 22 through a passage 26, a passage 27 and groove 24, and passages 30, 28. To balance the axial pressure in the groove 22, the groove 24 is identical in shape and axially aligned with the groove 22. Bearings 14, 15, 16 are provided as shown. (For Figures see next page)
GB4354870A 1969-09-20 1970-09-11 Rotary fluid-pressure machine such as a pump or motor Expired GB1320026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691947798 DE1947798A1 (en) 1969-09-20 1969-09-20 Power or work machine

Publications (1)

Publication Number Publication Date
GB1320026A true GB1320026A (en) 1973-06-13

Family

ID=5746131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4354870A Expired GB1320026A (en) 1969-09-20 1970-09-11 Rotary fluid-pressure machine such as a pump or motor

Country Status (9)

Country Link
CH (1) CH518448A (en)
CS (1) CS149929B2 (en)
DE (1) DE1947798A1 (en)
DK (1) DK132538C (en)
ES (1) ES383294A1 (en)
FR (1) FR2062388A5 (en)
GB (1) GB1320026A (en)
PL (1) PL81363B1 (en)
SE (1) SE408931B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101463792B (en) * 2008-05-26 2011-03-23 董剑 Low-speed high-torque hydraulic motor of non-circular gear epicyclic gear train
US9404492B2 (en) 2011-06-30 2016-08-02 Hnp Mikrosysteme Gmbh Pump device having a micro pump and bearing member for a micro pump

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3905728A (en) * 1974-04-17 1975-09-16 Eaton Corp Rotary fluid pressure device and pressure relief system therefor
US4008018A (en) * 1975-11-28 1977-02-15 Mcdermott Hugh L Rotary fluid displacement device having improved porting
DE3015551C2 (en) * 1980-04-23 1986-10-23 Mannesmann Rexroth GmbH, 8770 Lohr Rotary piston machine
JPS5982594A (en) * 1982-10-29 1984-05-12 Sumitomo Electric Ind Ltd Rotary pump
JP2699390B2 (en) * 1988-03-28 1998-01-19 アイシン精機株式会社 Internal gear motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101463792B (en) * 2008-05-26 2011-03-23 董剑 Low-speed high-torque hydraulic motor of non-circular gear epicyclic gear train
US9404492B2 (en) 2011-06-30 2016-08-02 Hnp Mikrosysteme Gmbh Pump device having a micro pump and bearing member for a micro pump

Also Published As

Publication number Publication date
CH518448A (en) 1972-01-31
DK132538B (en) 1975-12-22
DE1947798A1 (en) 1971-04-15
DK132538C (en) 1976-05-24
SE408931B (en) 1979-07-16
PL81363B1 (en) 1975-08-30
CS149929B2 (en) 1973-08-23
ES383294A1 (en) 1973-01-01
FR2062388A5 (en) 1971-06-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees