FR3100583B1 - Piston pour une machine hydraulique à pistons - Google Patents

Piston pour une machine hydraulique à pistons Download PDF

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Publication number
FR3100583B1
FR3100583B1 FR1909848A FR1909848A FR3100583B1 FR 3100583 B1 FR3100583 B1 FR 3100583B1 FR 1909848 A FR1909848 A FR 1909848A FR 1909848 A FR1909848 A FR 1909848A FR 3100583 B1 FR3100583 B1 FR 3100583B1
Authority
FR
France
Prior art keywords
piston
machine
hydraulic
hydraulic piston
roller
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
FR1909848A
Other languages
English (en)
Other versions
FR3100583A1 (fr
Inventor
Philippe Lucienne
Christophe Delhoume
Pierre Bernard
Franck Defer
Gilbert Goldbaum
Simon Rempfer
Clément P Recoura
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 FR1909848A priority Critical patent/FR3100583B1/fr
Priority to PCT/FR2020/051499 priority patent/WO2021044092A1/fr
Publication of FR3100583A1 publication Critical patent/FR3100583A1/fr
Application granted granted Critical
Publication of FR3100583B1 publication Critical patent/FR3100583B1/fr
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
    • 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
    • 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
    • F04B1/0426—Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
    • 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
    • F04B1/0435—Arrangements for disconnecting the pistons from the actuated cam
    • 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
    • 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
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Compressor (AREA)
  • Actuator (AREA)
  • Hydraulic Motors (AREA)

Abstract

Piston pour une machine hydraulique à pistons Piston pour une machine hydraulique à pistons, comprenant un corps ayant une surface de guidage et d’étanchéité (13), le corps présentant à son extrémité distale un évidement en berceau (15) configuré pour accueillir un galet (11) cylindrique présentant un axe de révolution (B) et deux extrémités (11a), le piston comprenant en outre un élément de maintien (20) configuré pour maintenir radialement le galet (11) dans l’évidement en berceau (15), l’élément de maintien (20) comprenant une partie de retenue (21) qui est retenue dans un logement (14) ménagé dans la surface de guidage et d’étanchéité (13) pour assembler l’élément de maintien (20) sur le corps. Figure pour l’abrégé : Fig. 5.
FR1909848A 2019-09-06 2019-09-06 Piston pour une machine hydraulique à pistons Active FR3100583B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1909848A FR3100583B1 (fr) 2019-09-06 2019-09-06 Piston pour une machine hydraulique à pistons
PCT/FR2020/051499 WO2021044092A1 (fr) 2019-09-06 2020-08-25 Piston pour une machine hydraulique a pistons

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1909848A FR3100583B1 (fr) 2019-09-06 2019-09-06 Piston pour une machine hydraulique à pistons
FR1909848 2019-09-06

Publications (2)

Publication Number Publication Date
FR3100583A1 FR3100583A1 (fr) 2021-03-12
FR3100583B1 true FR3100583B1 (fr) 2021-09-24

Family

ID=68733368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1909848A Active FR3100583B1 (fr) 2019-09-06 2019-09-06 Piston pour une machine hydraulique à pistons

Country Status (2)

Country Link
FR (1) FR3100583B1 (fr)
WO (1) WO2021044092A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10041318A1 (de) * 2000-08-23 2002-03-07 Mannesmann Rexroth Ag Hydraulische Radialkolbenmaschine
FR2899285B1 (fr) 2006-03-31 2008-06-27 Poclain Hydraulics Ind Soc Par Piston pour un moteur hydraulique a pistons radiaux et son procede de fabrication
FR2899650B1 (fr) 2006-04-05 2011-11-11 Poclain Hydraulics Ind Piston pour un moteur hydraulique a pistons radiaux et son procede de fabrication
FR3030665B1 (fr) * 2014-12-17 2017-10-20 Poclain Hydraulics Ind Piston a galet monobloc et procede associe
FR3052819B1 (fr) * 2016-06-16 2019-07-19 Poclain Hydraulics Industrie Piston a galet pour machine hydraulique, venu de matiere avec element de centrage forme pour limiter les frottements avec un galet

Also Published As

Publication number Publication date
WO2021044092A1 (fr) 2021-03-11
FR3100583A1 (fr) 2021-03-12

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