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AU2001233327A1 - Hydraulic pressure transformer - Google Patents

Hydraulic pressure transformer

Info

Publication number
AU2001233327A1
AU2001233327A1 AU2001233327A AU3332701A AU2001233327A1 AU 2001233327 A1 AU2001233327 A1 AU 2001233327A1 AU 2001233327 A AU2001233327 A AU 2001233327A AU 3332701 A AU3332701 A AU 3332701A AU 2001233327 A1 AU2001233327 A1 AU 2001233327A1
Authority
AU
Australia
Prior art keywords
hydraulic pressure
pressure transformer
transformer
hydraulic
pressure
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.)
Abandoned
Application number
AU2001233327A
Inventor
David C. Hale
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of AU2001233327A1 publication Critical patent/AU2001233327A1/en
Abandoned 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • F04C11/003—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle having complementary function
    • 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
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3446—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Reciprocating Pumps (AREA)
AU2001233327A 2000-03-01 2001-02-05 Hydraulic pressure transformer Abandoned AU2001233327A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09516566 2000-03-01
US09/516,566 US6497558B1 (en) 2000-03-01 2000-03-01 Hydraulic pressure transformer
PCT/US2001/003731 WO2001065118A1 (en) 2000-03-01 2001-02-05 Hydraulic pressure transformer

Publications (1)

Publication Number Publication Date
AU2001233327A1 true AU2001233327A1 (en) 2001-09-12

Family

ID=24056144

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001233327A Abandoned AU2001233327A1 (en) 2000-03-01 2001-02-05 Hydraulic pressure transformer

Country Status (5)

Country Link
US (1) US6497558B1 (en)
JP (1) JP2003525395A (en)
AU (1) AU2001233327A1 (en)
DE (1) DE10190888T5 (en)
WO (1) WO2001065118A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108493B2 (en) 2002-03-27 2006-09-19 Argo-Tech Corporation Variable displacement pump having rotating cam ring
DE102006047510A1 (en) * 2006-10-07 2008-04-17 Zf Lenksysteme Gmbh Vane-cell pump for fuel transport, has multiple vanes with stator that are surrounded by external ring, and spring of vane-cell pump vanes against external ring
US7775040B2 (en) 2006-11-08 2010-08-17 Caterpillar Inc Bidirectional hydraulic transformer
DE102008060596A1 (en) 2008-12-05 2010-06-10 Robert Bosch Gmbh Hydraulic transformer for hydrostatic drive system, has set of displacement bodies guided in rotor and designed as radial pistons, where pressurizing medium inflow and - outflow take place at spaces by rotor axle
EP2454488B1 (en) * 2009-07-14 2018-05-30 Exencotech Ab Hydraulic pressure transducer and hydraulic system
KR20140064830A (en) 2011-08-12 2014-05-28 이턴 코포레이션 Method and apparatus for recovering inertial energy
EP2742185B1 (en) 2011-08-12 2018-02-21 Eaton Corporation System and method for recovering energy and leveling hydraulic system loads
EP2935907A1 (en) 2012-12-19 2015-10-28 Eaton Corporation Control system for hydraulic system and method for recovering energy and leveling hydraulic system loads
DE102015016795A1 (en) * 2015-12-23 2017-06-29 Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen Pressure transducer and pressure conversion process
EP3369929B1 (en) 2017-03-03 2019-04-24 PistonPower ApS Pressure amplifier
ES2736135T3 (en) 2017-03-03 2019-12-26 Pistonpower Aps Pressure amplifier
EP3369928B1 (en) 2017-03-03 2019-04-24 PistonPower ApS Hydraulic pressure intensifier
EP3369930B1 (en) 2017-03-03 2019-05-08 PistonPower ApS Double acting hydraulic pressure intensifier
US12078193B2 (en) 2022-02-23 2024-09-03 Perisseuma Technologies LLC Displacement power controllers and applications

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740954A (en) 1972-03-20 1973-06-26 Motorola Inc Variable speed hydraulic drive mechanism
US3808814A (en) 1972-03-20 1974-05-07 R Macy Fluid transmission
DE2928169A1 (en) 1979-07-12 1981-01-29 Wilhelm Jakobi Vane type rotary machine for gases - has compression and expansion cylinders in same stator with common rotor between them
DE3165981D1 (en) * 1980-06-04 1984-10-18 Hitachi Construction Machinery Circuit pressure control system for hydrostatic power transmission
JPH02501232A (en) 1986-09-26 1990-04-26 エイチ．エム．アール．エンジン　カンパニー　プロプライアタリー　リミテツド rotating machinery
US4851723A (en) * 1988-08-01 1989-07-25 Westinghouse Electric Corp. Coolant pump system for variable speed generators
JP2828490B2 (en) * 1990-06-19 1998-11-25 日立建機株式会社 Load sensing hydraulic drive circuit controller
US5595067A (en) * 1994-12-09 1997-01-21 Maness; James E. Energy pump
US5878649A (en) 1998-04-07 1999-03-09 Caterpillar Inc. Controlled porting for a pressure transformer

Also Published As

Publication number Publication date
DE10190888T5 (en) 2005-02-24
JP2003525395A (en) 2003-08-26
US6497558B1 (en) 2002-12-24
WO2001065118A1 (en) 2001-09-07

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