FR3015582B1 - Machine hydraulique a pistons radiaux presentant un encombrement radial limite - Google Patents

Machine hydraulique a pistons radiaux presentant un encombrement radial limite Download PDF

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Publication number
FR3015582B1
FR3015582B1 FR1363484A FR1363484A FR3015582B1 FR 3015582 B1 FR3015582 B1 FR 3015582B1 FR 1363484 A FR1363484 A FR 1363484A FR 1363484 A FR1363484 A FR 1363484A FR 3015582 B1 FR3015582 B1 FR 3015582B1
Authority
FR
France
Prior art keywords
cam
cylinders
radial
hydraulic machine
cylinder block
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.)
Active
Application number
FR1363484A
Other languages
English (en)
Other versions
FR3015582A1 (fr
Inventor
Christophe Gouzou
Gilles Lemaire
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 FR1363484A priority Critical patent/FR3015582B1/fr
Publication of FR3015582A1 publication Critical patent/FR3015582A1/fr
Application granted granted Critical
Publication of FR3015582B1 publication Critical patent/FR3015582B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B1/053—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 inner ends of the cylinders
    • F04B1/0531—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 inner ends of the cylinders with cam-actuated distribution members
    • 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
    • F03C1/053—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 inner ends of the cylinders
    • F03C1/0531—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 inner ends of the cylinders with cam-actuated distribution members
    • 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
    • F04B1/0408—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
    • 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
    • F04B1/0413—Cams
    • 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
    • F04B1/0421—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
    • 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

Landscapes

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

Abstract

La présente invention concerne une machine hydraulique comprenant un carter (100), une came (200) comportant une pluralité de lobes, un bloc cylindres comportant une pluralité de cylindres (310), des pistons (500) mobiles à translation dans les cylindres (310) et en appui sur les lobes de la came (200), et un ensemble de distribution de fluide en liaison avec les cylindres, la came (200) et le bloc cylindres (310) étant susceptibles de rotation relative autour d'un axe de rotation (O-O), caractérisé en ce que la came (200) est une came interne tandis que le bloc cylindres (310) est externe, les cylindres (310) étant répartis autour de l'axe de rotation (O-O) de sorte que l'enveloppe externe du carter (100) n'est pas symétrique autour de l'axe de rotation (O-O) et présente une plus petite dimension en regard d'un secteur du bloc cylindres dépourvu de cylindre (310).
FR1363484A 2013-12-23 2013-12-23 Machine hydraulique a pistons radiaux presentant un encombrement radial limite Active FR3015582B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1363484A FR3015582B1 (fr) 2013-12-23 2013-12-23 Machine hydraulique a pistons radiaux presentant un encombrement radial limite

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1363484 2013-12-23
FR1363484A FR3015582B1 (fr) 2013-12-23 2013-12-23 Machine hydraulique a pistons radiaux presentant un encombrement radial limite

Publications (2)

Publication Number Publication Date
FR3015582A1 FR3015582A1 (fr) 2015-06-26
FR3015582B1 true FR3015582B1 (fr) 2018-08-17

Family

ID=50290063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1363484A Active FR3015582B1 (fr) 2013-12-23 2013-12-23 Machine hydraulique a pistons radiaux presentant un encombrement radial limite

Country Status (1)

Country Link
FR (1) FR3015582B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3099805B1 (fr) * 2019-08-06 2022-06-03 Exel Ind Bloc modulaire pour pompe électrique à encombrement limité et pompe associée
FR3136520B1 (fr) * 2022-06-13 2024-08-23 Poclain Hydraulics Ind pompe hydraulique améliorée pour entrainement à haute vitesse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423701A (en) * 1945-01-01 1947-07-08 Marquette Metal Products Co Pump
US5606938A (en) * 1994-06-24 1997-03-04 Tritec Power Systems Ltd. Tri-lobed cam engine
DE19920997B4 (de) * 1999-05-06 2004-09-02 Siemens Ag Radialkolbenpumpe
US7328682B2 (en) * 2005-09-14 2008-02-12 Fisher Patrick T Efficiencies for piston engines or machines
KR101397874B1 (ko) * 2006-09-07 2014-05-20 레베텍 홀딩스 리미티드 개선된 마주하는 피스톤 연소엔진
DE102009026732A1 (de) * 2009-06-04 2010-12-09 Robert Bosch Gmbh Hochdruckpumpe

Also Published As

Publication number Publication date
FR3015582A1 (fr) 2015-06-26

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