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FR3026791B1 - HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION - Google Patents

HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION Download PDF

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Publication number
FR3026791B1
FR3026791B1 FR1459509A FR1459509A FR3026791B1 FR 3026791 B1 FR3026791 B1 FR 3026791B1 FR 1459509 A FR1459509 A FR 1459509A FR 1459509 A FR1459509 A FR 1459509A FR 3026791 B1 FR3026791 B1 FR 3026791B1
Authority
FR
France
Prior art keywords
cylinder
hydraulic mechanism
cooperate
cam
roll
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 - Fee Related
Application number
FR1459509A
Other languages
French (fr)
Other versions
FR3026791A1 (en
Inventor
Yann Prat
Marc Precigout
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.)
Poclain Hydraulics Industrie
Original Assignee
Poclain Hydraulics Industrie
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 Poclain Hydraulics Industrie filed Critical Poclain Hydraulics Industrie
Priority to FR1459509A priority Critical patent/FR3026791B1/en
Priority to EP15788134.3A priority patent/EP3201466B1/en
Priority to PCT/FR2015/052646 priority patent/WO2016051107A1/en
Priority to CN201580053964.5A priority patent/CN106795870B/en
Priority to FR1650782A priority patent/FR3032241B1/en
Publication of FR3026791A1 publication Critical patent/FR3026791A1/en
Application granted granted Critical
Publication of FR3026791B1 publication Critical patent/FR3026791B1/en
Expired - Fee Related 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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0439—Supporting or guiding means for the pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/047—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement the pistons co-operating with an actuated element at the outer ends of the cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/22—Reciprocating-piston liquid engines with movable cylinders or cylinder
    • F03C1/223—Reciprocating-piston liquid engines with movable cylinders or cylinder having cylinders in star or fan arrangement, the connection of the pistons with an actuated element being at the inner ends of the cylinders
    • 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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/047—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders
    • 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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • 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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • F04B1/107—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders
    • F04B1/1071—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders with rotary cylinder blocks
    • 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
    • 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
    • F04B5/00—Machines or pumps with differential-surface pistons
    • 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
    • F04B53/14—Pistons, piston-rods or piston-rod connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Actuator (AREA)

Abstract

Mécanisme hydraulique, moteur ou pompe, comprenant une came ; un bloc-cylindres monté rotatif par rapport à la came ; au moins un cylindre (110i, 110e) ménagé dans ce bloc-cylindres ; au moins un ensemble piston apte à coopérer avec un cylindre (110i, 110e), cet ensemble piston comprenant un piston (111i, 111e) monté à coulissement à l'intérieur dudit cylindre (110i, 110e) ; un rouleau (123) monté rotatif sur le piston (111i, 111e) et configuré pour coopérer avec la came, le rouleau (123) étant délimité par deux faces transversales d'extrémité ; des première et deuxième pièces de calage (129) disposées chacune entre une face d'extrémité du rouleau (123) et la face interne du cylindre (110i, 110e) sur laquelle ladite pièce de calage (129) prend appui de manière à maintenir la position axiale du rouleau (123) ; le cylindre (110i, 110e) comporte une rainure (131) pratiquée dans sa face interne, et l'ensemble piston comporte une projection (136) configurée pour coopérer avec la rainure (131) du cylindre (110i, 110e) de manière à maintenir l'orientation du rouleau (123).Hydraulic mechanism, motor or pump, comprising a cam; a cylinder block rotatably mounted relative to the cam; at least one cylinder (110i, 110e) formed in this cylinder block; at least one piston assembly adapted to cooperate with a cylinder (110i, 110e), said piston assembly comprising a piston (111i, 111e) slidably mounted inside said cylinder (110i, 110e); a roller (123) rotatably mounted on the piston (111i, 111e) and configured to cooperate with the cam, the roller (123) being delimited by two transverse end faces; first and second wedging pieces (129) each disposed between an end face of the roll (123) and the inner face of the roll (110i, 110e) on which said wedge piece (129) bears so as to maintain the axial position of the roll (123); the cylinder (110i, 110e) has a groove (131) formed in its inner face, and the piston assembly has a projection (136) configured to cooperate with the groove (131) of the cylinder (110i, 110e) so as to maintain the orientation of the roller (123).

FR1459509A 2014-10-03 2014-10-03 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION Expired - Fee Related FR3026791B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR1459509A FR3026791B1 (en) 2014-10-03 2014-10-03 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION
EP15788134.3A EP3201466B1 (en) 2014-10-03 2015-10-02 Hydraulic mechanism provided with means for guiding pistons in translational movement
PCT/FR2015/052646 WO2016051107A1 (en) 2014-10-03 2015-10-02 Hydraulic mechanism provided with means for guiding pistons in translational movement
CN201580053964.5A CN106795870B (en) 2014-10-03 2015-10-02 Hydraulic mechanism provided with means for guiding the translational movement of the piston
FR1650782A FR3032241B1 (en) 2014-10-03 2016-02-01 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1459509 2014-10-03
FR1459509A FR3026791B1 (en) 2014-10-03 2014-10-03 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION

Publications (2)

Publication Number Publication Date
FR3026791A1 FR3026791A1 (en) 2016-04-08
FR3026791B1 true FR3026791B1 (en) 2019-04-19

Family

ID=52358898

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1459509A Expired - Fee Related FR3026791B1 (en) 2014-10-03 2014-10-03 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION
FR1650782A Expired - Fee Related FR3032241B1 (en) 2014-10-03 2016-02-01 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1650782A Expired - Fee Related FR3032241B1 (en) 2014-10-03 2016-02-01 HYDRAULIC MECHANISM WITH MEANS FOR GUIDING PISTON TRANSLATION

Country Status (4)

Country Link
EP (1) EP3201466B1 (en)
CN (1) CN106795870B (en)
FR (2) FR3026791B1 (en)
WO (1) WO2016051107A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3082243B1 (en) * 2018-06-08 2020-08-28 Poclain Hydraulics Ind CYLINDER BLOCK INCLUDING A PISTON HOLDING MEANS
FR3111165B1 (en) * 2020-06-09 2022-07-22 Poclain Hydraulics Ind Hydraulic machine comprising support bearings for the rotating part
CN112177918B (en) * 2020-09-30 2025-08-01 杭州青谷小象科技有限公司 Sealing structure of direct-flow pump
EP4208639B1 (en) * 2020-12-16 2024-01-17 Danfoss Power Solutions (Jiangsu) Co., Ltd. Hydrostatic radial piston unit
FI130485B (en) * 2021-08-12 2023-09-29 Black Bruin Oy RADIAL PISTON HYDRAULIC MOTOR COMPRISING A HOLLOW ROTATING SHAFT WITHIN THE MOTOR
FR3143068B1 (en) * 2022-12-09 2025-10-24 Poclain Hydraulics Ind Hydraulic machine comprising a cylinder block with housings
FR3143069B1 (en) * 2022-12-09 2025-10-24 Poclain Hydraulics Ind Rotating hydraulic machine equipped with pistons

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4037455C1 (en) * 1990-11-24 1992-02-06 Mannesmann Rexroth Gmbh, 8770 Lohr, De
FR2727471A1 (en) 1994-11-30 1996-05-31 Poclain Hydraulics Sa PISTON MECHANISM, MOTOR OR PUMP PROVIDED WITH ROLLERS SUPPORTING ON A CAM
US6293100B1 (en) * 1997-07-07 2001-09-25 Poclain Hydraulics Industrie Hydraulic engine with compact brake
DE19832696A1 (en) * 1998-07-21 2000-01-27 Mannesmann Rexroth Ag Radial piston machine with roller guides, with one of two roller guides for one roller fixed directly, without auxiliary parts, to the cylinder block so that it cannot rotate
DE102004048711B4 (en) * 2004-10-06 2006-09-14 Siemens Ag Radial piston pump with roller tappet
CN2883675Y (en) * 2005-05-31 2007-03-28 深圳清华大学研究院 Plametary cylinder type planger pump or motor
FR2940672B1 (en) * 2008-12-31 2011-01-21 Poclain Hydraulics Ind HYDRAULIC MOTOR WITH RADIAL PISTONS AND CYLINDER CONTROL
DE102009013886A1 (en) * 2009-03-19 2010-09-23 Linde Material Handling Gmbh Hydrostatic displacement body machine, particularly axial piston machine, has cylindrical drum that is arranged around rotating axis in rotating manner, where cylindrical drum is provided with piston clearance
FR2955903B1 (en) * 2010-02-01 2012-03-16 Poclain Hydraulics Ind HYDROBASE-FORMING SUBASSEMBLY FOR HYDRAULIC ENGINES AND METHOD OF ASSEMBLY
DE102010015417A1 (en) * 2010-04-19 2011-10-20 Robert Bosch Gmbh Piston for a radial piston machine

Also Published As

Publication number Publication date
WO2016051107A1 (en) 2016-04-07
FR3032241A1 (en) 2016-08-05
CN106795870B (en) 2019-04-02
EP3201466A1 (en) 2017-08-09
CN106795870A (en) 2017-05-31
FR3032241B1 (en) 2019-05-24
EP3201466B1 (en) 2020-04-15
FR3026791A1 (en) 2016-04-08

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