ITBO20040639A1 - PUMPING DEVICE FOR LIQUIDS, IN PARTICULAR FOR OIL - Google Patents

PUMPING DEVICE FOR LIQUIDS, IN PARTICULAR FOR OIL

Info

Publication number
ITBO20040639A1
ITBO20040639A1 ITBO20040639A ITBO20040639A1 IT BO20040639 A1 ITBO20040639 A1 IT BO20040639A1 IT BO20040639 A ITBO20040639 A IT BO20040639A IT BO20040639 A1 ITBO20040639 A1 IT BO20040639A1
Authority
IT
Italy
Prior art keywords
liquids
oil
pumping device
pumping
Prior art date
Application number
Other languages
Italian (it)
Inventor
Michelantonio Forte
Marco Simoni
Original Assignee
Cnh Italia 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 Cnh Italia Spa filed Critical Cnh Italia Spa
Priority to ITBO20040639 priority Critical patent/ITBO20040639A1/en
Publication of ITBO20040639A1 publication Critical patent/ITBO20040639A1/en
Priority to EP05109513.1A priority patent/EP1647713B1/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
    • 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
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/56—Bearing bushings or details thereof
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ITBO20040639 2004-10-15 2004-10-15 PUMPING DEVICE FOR LIQUIDS, IN PARTICULAR FOR OIL ITBO20040639A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITBO20040639 ITBO20040639A1 (en) 2004-10-15 2004-10-15 PUMPING DEVICE FOR LIQUIDS, IN PARTICULAR FOR OIL
EP05109513.1A EP1647713B1 (en) 2004-10-15 2005-10-13 Fluid pumping apparatus with Helmholtz-resonator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20040639 ITBO20040639A1 (en) 2004-10-15 2004-10-15 PUMPING DEVICE FOR LIQUIDS, IN PARTICULAR FOR OIL

Publications (1)

Publication Number Publication Date
ITBO20040639A1 true ITBO20040639A1 (en) 2005-01-15

Family

ID=35539636

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO20040639 ITBO20040639A1 (en) 2004-10-15 2004-10-15 PUMPING DEVICE FOR LIQUIDS, IN PARTICULAR FOR OIL

Country Status (2)

Country Link
EP (1) EP1647713B1 (en)
IT (1) ITBO20040639A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007020002B4 (en) * 2007-04-27 2018-10-04 Trw Automotive Gmbh gear pump
AT507087B1 (en) * 2008-12-05 2010-02-15 Siemens Vai Metals Tech Gmbh METHOD AND DEVICE FOR THE SEMI-ACTIVE REDUCTION OF PRESSURE VIBRATIONS IN A HYDRAULIC SYSTEM
DE102017206360B4 (en) * 2017-04-13 2022-05-19 Conti Temic Microelectronic Gmbh Housing for a pneumatic control unit and pneumatic control unit
CN109209865B (en) * 2018-11-21 2023-08-01 太原科技大学 Shaft sleeve and method for inhibiting noise of gear pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9314146U1 (en) * 1993-09-18 1995-01-26 Sihi GmbH & Co KG, 25524 Itzehoe Liquid ring gas pump
JPH1082385A (en) * 1996-09-09 1998-03-31 Ishikawajima Harima Heavy Ind Co Ltd Casing structure of lysholm compressor
IT241428Y1 (en) 1996-11-22 2001-05-09 Casappa Spa REDUCED PRESSURE PULSE HYDRAULIC PUMP.
DE19818141C2 (en) * 1998-04-23 2003-04-30 Trw Fahrwerksyst Gmbh & Co Method for limiting the pressure provided by a hydraulic pump and hydraulic pump for carrying out the method
KR100286837B1 (en) * 1998-07-15 2001-05-02 구자홍 Resonator of a rotary compressor
JP2000320479A (en) * 1999-05-12 2000-11-21 Mitsubishi Electric Corp Multi-cylinder enclosed type compressor
DE20302535U1 (en) * 2003-02-17 2003-06-18 Trw Fahrwerksyst Gmbh & Co Hydraulic pump for a power steering system

Also Published As

Publication number Publication date
EP1647713B1 (en) 2018-12-12
EP1647713A2 (en) 2006-04-19
EP1647713A3 (en) 2012-10-24

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