DE29714138U1 - Hydraulikpumpe mit reduzierten Druckspitzen - Google Patents

Hydraulikpumpe mit reduzierten Druckspitzen

Info

Publication number
DE29714138U1
DE29714138U1 DE29714138U DE29714138U DE29714138U1 DE 29714138 U1 DE29714138 U1 DE 29714138U1 DE 29714138 U DE29714138 U DE 29714138U DE 29714138 U DE29714138 U DE 29714138U DE 29714138 U1 DE29714138 U1 DE 29714138U1
Authority
DE
Germany
Prior art keywords
pump
hydraulic pump
sound device
reduced pressure
chamber
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 - Lifetime
Application number
DE29714138U
Other languages
German (de)
English (en)
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.)
Casappa SpA
Original Assignee
Casappa SpA
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 Casappa SpA filed Critical Casappa SpA
Publication of DE29714138U1 publication Critical patent/DE29714138U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F04C15/0049—Equalization of pressure pulses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/13—Noise
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/14—Pulsations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Braking Systems And Boosters (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Control Of Transmission Device (AREA)
DE29714138U 1996-11-22 1997-08-07 Hydraulikpumpe mit reduzierten Druckspitzen Expired - Lifetime DE29714138U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96PR000021 IT241428Y1 (it) 1996-11-22 1996-11-22 Pompa idraulica a ridotte pulsazioni di pressione.

Publications (1)

Publication Number Publication Date
DE29714138U1 true DE29714138U1 (de) 1997-10-16

Family

ID=11396010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29714138U Expired - Lifetime DE29714138U1 (de) 1996-11-22 1997-08-07 Hydraulikpumpe mit reduzierten Druckspitzen

Country Status (4)

Country Link
DE (1) DE29714138U1 (it)
FR (1) FR2756327B3 (it)
GB (1) GB2319564B (it)
IT (1) IT241428Y1 (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007022829A1 (de) * 2005-08-23 2007-03-01 Trw Automotive Gmbh Pumpe, insbesondere motor-pumpen-aggregat für ein servolenksystem eines kraftfahrzeugs
EP2960547B1 (de) 2014-06-27 2020-02-19 CLAAS Industrietechnik GmbH Getriebeanordnung

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20040639A1 (it) * 2004-10-15 2005-01-15 Cnh Italia Spa Apparecchiatura di pompaggio per liquidi, in particolare per olio
JP4347859B2 (ja) 2006-03-24 2009-10-21 本田技研工業株式会社 オイルポンプ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520687U (it) * 1978-07-28 1980-02-08
GB2036873B (en) * 1978-12-01 1983-02-09 South Western Ind Res Silencing fluid pumps and motors
DE2901240C2 (de) * 1979-01-13 1981-10-01 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Radialkolbenpumpe
WO1981003201A1 (en) * 1980-04-28 1981-11-12 G Koopmann Noise reduction system
JPH0441260Y2 (it) * 1984-10-15 1992-09-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007022829A1 (de) * 2005-08-23 2007-03-01 Trw Automotive Gmbh Pumpe, insbesondere motor-pumpen-aggregat für ein servolenksystem eines kraftfahrzeugs
EP2960547B1 (de) 2014-06-27 2020-02-19 CLAAS Industrietechnik GmbH Getriebeanordnung

Also Published As

Publication number Publication date
ITPR960021V0 (it) 1996-11-22
GB9718482D0 (en) 1997-11-05
GB2319564A (en) 1998-05-27
ITPR960021U1 (it) 1998-05-22
GB2319564B (en) 2000-08-23
FR2756327A1 (fr) 1998-05-29
IT241428Y1 (it) 2001-05-09
FR2756327B3 (fr) 1999-01-15

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19971127

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20001109

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20031001

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20050915

R071 Expiry of right