EP2587058A4 - Bent axis type hydraulic rotating machine - Google Patents

Bent axis type hydraulic rotating machine Download PDF

Info

Publication number
EP2587058A4
EP2587058A4 EP11798014.4A EP11798014A EP2587058A4 EP 2587058 A4 EP2587058 A4 EP 2587058A4 EP 11798014 A EP11798014 A EP 11798014A EP 2587058 A4 EP2587058 A4 EP 2587058A4
Authority
EP
European Patent Office
Prior art keywords
rotating machine
type hydraulic
axis type
hydraulic rotating
bent axis
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.)
Granted
Application number
EP11798014.4A
Other languages
German (de)
French (fr)
Other versions
EP2587058A1 (en
EP2587058B1 (en
Inventor
Kazuhiro NUMAGUCHI
Takashi Niidome
Takahiro TSUBO
Naoyuki Okuno
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP2587058A1 publication Critical patent/EP2587058A1/en
Publication of EP2587058A4 publication Critical patent/EP2587058A4/en
Application granted granted Critical
Publication of EP2587058B1 publication Critical patent/EP2587058B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/22—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
    • F04B1/24—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined to the main shaft axis
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2021—Details or component parts characterised by the contact area between cylinder barrel and valve plate
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B27/0808—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons
    • F04B27/0813—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined to main shaft axis
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B27/0821—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
    • F04B27/0826—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication particularities in the contacting area between cylinder barrel and valve plate
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0804—Non-oxide ceramics
    • F05C2203/083—Nitrides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/12—Coating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/24—Heat treatment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)
EP11798014.4A 2010-06-23 2011-06-14 Bent axis type hydraulic rotating machine Active EP2587058B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010142347A JP5425722B2 (en) 2010-06-23 2010-06-23 Oblique shaft type hydraulic rotating machine
PCT/JP2011/063586 WO2011162128A1 (en) 2010-06-23 2011-06-14 Bent axis type hydraulic rotating machine

Publications (3)

Publication Number Publication Date
EP2587058A1 EP2587058A1 (en) 2013-05-01
EP2587058A4 true EP2587058A4 (en) 2018-01-03
EP2587058B1 EP2587058B1 (en) 2020-03-25

Family

ID=45371322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11798014.4A Active EP2587058B1 (en) 2010-06-23 2011-06-14 Bent axis type hydraulic rotating machine

Country Status (4)

Country Link
EP (1) EP2587058B1 (en)
JP (1) JP5425722B2 (en)
CN (1) CN102812245B (en)
WO (1) WO2011162128A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6781082B2 (en) 2017-03-10 2020-11-04 日立建機株式会社 Axial piston type hydraulic rotary machine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900003793B1 (en) * 1986-08-25 1990-05-31 가부시키가이샤 히타치세이사쿠쇼 Thrust hydrostatic bearing device for use in axial piston machine
JPH0436458A (en) * 1990-05-31 1992-02-06 Toshiba Corp Sliding parts and frequency variable type refrigerant compressor using these parts
DE19538447B4 (en) * 1995-10-16 2006-01-19 Brueninghaus Hydromatik Gmbh Hydrostatic machine with reduced pressure fluid quantity
JP2000227083A (en) * 1999-02-04 2000-08-15 Matsushita Electric Ind Co Ltd Rotary compressor
CN1231672C (en) * 2002-04-29 2005-12-14 乐金电子(天津)电器有限公司 Method of manufacturing pistonrod of sealed compressor
DE502004003059D1 (en) * 2003-06-11 2007-04-12 Brueninghaus Hydromatik Gmbh AXIAL PISTON MACHINE WITH PLACED POSITIONING ELEMENT AND CONTROL PANE FOR SUCH AN AXIAL PISTON MACHINE
JP2005201220A (en) * 2004-01-19 2005-07-28 Hitachi Constr Mach Co Ltd Liquid-pressure rotating machinery
DE102004033321B4 (en) * 2004-07-09 2006-03-30 Brueninghaus Hydromatik Gmbh Axial piston machine with wear protection layer
DE102005041408A1 (en) * 2005-09-01 2007-03-08 Mahle International Gmbh Method for producing a piston ring for internal combustion engines and such a piston ring
JP2007092829A (en) * 2005-09-28 2007-04-12 Toyota Motor Corp Valve
JP2008101581A (en) * 2006-10-20 2008-05-01 Hitachi Constr Mach Co Ltd Inclined shaft type hydraulic rotating machine
CN201502521U (en) * 2009-07-27 2010-06-09 梅河口市兴业精密钢管厂 Pump cylinder surface layer structure of oil-well pump

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2011162128A1 *

Also Published As

Publication number Publication date
JP2012007509A (en) 2012-01-12
EP2587058A1 (en) 2013-05-01
CN102812245A (en) 2012-12-05
CN102812245B (en) 2015-10-07
WO2011162128A1 (en) 2011-12-29
JP5425722B2 (en) 2014-02-26
EP2587058B1 (en) 2020-03-25
WO2011162128A9 (en) 2012-03-08

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Inventor name: TSUBO, TAKAHIRO

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Inventor name: OKUNO, NAOYUKI

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