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FR3030665B1 - MONOBLOCK ROLLER PISTON AND METHOD THEREOF - Google Patents

MONOBLOCK ROLLER PISTON AND METHOD THEREOF

Info

Publication number
FR3030665B1
FR3030665B1 FR1462658A FR1462658A FR3030665B1 FR 3030665 B1 FR3030665 B1 FR 3030665B1 FR 1462658 A FR1462658 A FR 1462658A FR 1462658 A FR1462658 A FR 1462658A FR 3030665 B1 FR3030665 B1 FR 3030665B1
Authority
FR
France
Prior art keywords
roller
piston
monoblock
roller piston
receive
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
FR1462658A
Other languages
French (fr)
Other versions
FR3030665A1 (en
Inventor
Herve Bernard Desumeur
Antoine Marc Galea
Yann Prat
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 FR1462658A priority Critical patent/FR3030665B1/en
Priority to PCT/EP2015/080375 priority patent/WO2016097230A1/en
Publication of FR3030665A1 publication Critical patent/FR3030665A1/en
Application granted granted Critical
Publication of FR3030665B1 publication Critical patent/FR3030665B1/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
    • F04B1/04—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
    • 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
    • F03C1/0403—Details, component parts specially adapted of such engines
    • F03C1/0406—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
    • F03C1/0403—Details, component parts specially adapted of such engines
    • F03C1/0428—Supporting and 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Rolling Contact Bearings (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un piston (1) à galet de roulement (120) adapté pour recevoir un galet (120) et pour coulisser dans un cylindre (2) selon un axe de coulissement (C-C'), ledit piston (1) comprenant un corps (110) ayant une surface de guidage (111) ; une partie supérieure (110a), présentant un évidement en berceau (112) adapté pour recevoir le galet de roulement (120) ; au moins un élément de centrage (130) pour maintenir le centrage du galet (120) dans le piston (1), et, de plus, le corps (110), l'au moins un élément de centrage (130) et la partie supérieure (110a) sont constitués d'une seule et même pièce venue de matière et en ce que l'angle d'ouverture (δ) de l'évidement en berceau (112) est supérieur à 180°.The invention relates to a piston (1) with a rolling roller (120) adapted to receive a roller (120) and to slide in a cylinder (2) along a sliding axis (C-C '), said piston (1) comprising a body (110) having a guide surface (111); an upper part (110a), having a cradle-shaped recess (112) adapted to receive the track roller (120); at least one centering element (130) for maintaining the centering of the roller (120) in the piston (1), and, in addition, the body (110), the at least one centering element (130) and the part upper (110a) consist of one and the same integral part and in that the opening angle (δ) of the cradle recess (112) is greater than 180 °.

FR1462658A 2014-12-17 2014-12-17 MONOBLOCK ROLLER PISTON AND METHOD THEREOF Active FR3030665B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1462658A FR3030665B1 (en) 2014-12-17 2014-12-17 MONOBLOCK ROLLER PISTON AND METHOD THEREOF
PCT/EP2015/080375 WO2016097230A1 (en) 2014-12-17 2015-12-17 Integral roller piston and associated method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1462658A FR3030665B1 (en) 2014-12-17 2014-12-17 MONOBLOCK ROLLER PISTON AND METHOD THEREOF

Publications (2)

Publication Number Publication Date
FR3030665A1 FR3030665A1 (en) 2016-06-24
FR3030665B1 true FR3030665B1 (en) 2017-10-20

Family

ID=52807911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1462658A Active FR3030665B1 (en) 2014-12-17 2014-12-17 MONOBLOCK ROLLER PISTON AND METHOD THEREOF

Country Status (2)

Country Link
FR (1) FR3030665B1 (en)
WO (1) WO2016097230A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017100555A1 (en) * 2015-12-09 2017-06-15 Ggb, Inc. Plain bearing shell with anti-rotation features
FR3100583B1 (en) * 2019-09-06 2021-09-24 Poclain Hydraulics Ind Piston for a hydraulic piston machine
JP7068410B2 (en) * 2020-09-28 2022-05-16 大同メタル工業株式会社 Bearing equipment for radial piston machines
JP7167108B2 (en) 2020-09-28 2022-11-08 大同メタル工業株式会社 Bearing device of radial piston machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2064700A (en) * 1979-09-13 1981-06-17 Leco Hydraulics Ltd Ball piston
FR2727471A1 (en) * 1994-11-30 1996-05-31 Poclain Hydraulics Sa PISTON MECHANISM, MOTOR OR PUMP PROVIDED WITH ROLLERS SUPPORTING ON A CAM
SI9600292A (en) * 1996-10-02 1998-04-30 Mag. Manfreda Jurij, Dipl.Ing. Piston assembly of a radial-piston hydraulic engine
WO2001081727A1 (en) * 2000-04-21 2001-11-01 Jurij Manfreda Piston assembly for a radial piston hydraulic motor
DE102009013130A1 (en) * 2009-03-13 2010-09-16 Schaeffler Technologies Gmbh & Co. Kg tappet
DE102009056303A1 (en) * 2009-11-30 2011-06-01 Schaeffler Technologies Gmbh & Co. Kg roller plunger
DE102010032057B4 (en) * 2010-07-23 2019-09-19 Robert Bosch Gmbh Radial piston engine and piston for such a radial piston engine
DE102010055073A1 (en) * 2010-12-18 2012-06-21 Ks Gleitlager Gmbh Piston for radial piston engine
JP2014141957A (en) * 2012-12-28 2014-08-07 Mitsubishi Heavy Ind Ltd Radial piston hydraulic machine and wind power generator

Also Published As

Publication number Publication date
FR3030665A1 (en) 2016-06-24
WO2016097230A1 (en) 2016-06-23

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