FR3108690B1 - piston hydraulique à gorge dépressurisée - Google Patents

piston hydraulique à gorge dépressurisée Download PDF

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Publication number
FR3108690B1
FR3108690B1 FR2003152A FR2003152A FR3108690B1 FR 3108690 B1 FR3108690 B1 FR 3108690B1 FR 2003152 A FR2003152 A FR 2003152A FR 2003152 A FR2003152 A FR 2003152A FR 3108690 B1 FR3108690 B1 FR 3108690B1
Authority
FR
France
Prior art keywords
depressurized
axial
hydraulic piston
throat
skirt
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
FR2003152A
Other languages
English (en)
Other versions
FR3108690A1 (fr
Inventor
Vianney Rabhi
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.)
Individual
Original Assignee
Individual
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
Priority to FR2003152A priority Critical patent/FR3108690B1/fr
Application filed by Individual filed Critical Individual
Priority to KR1020227034285A priority patent/KR20220160002A/ko
Priority to PCT/FR2021/000028 priority patent/WO2021198572A1/fr
Priority to CN202180023447.9A priority patent/CN115315576A/zh
Priority to JP2022559340A priority patent/JP2023519595A/ja
Priority to AU2021249497A priority patent/AU2021249497A1/en
Priority to EP21718637.8A priority patent/EP4127452A1/fr
Priority to CA3171713A priority patent/CA3171713A1/fr
Publication of FR3108690A1 publication Critical patent/FR3108690A1/fr
Application granted granted Critical
Publication of FR3108690B1 publication Critical patent/FR3108690B1/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
    • 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
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • F04B1/124—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
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0602—Component parts, details
    • F03C1/0605—Adaptations of 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
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • 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
    • F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
    • F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F03C1/0644—Component parts
    • 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
    • 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
    • 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
    • F04B53/143—Sealing provided on the piston
    • 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
    • F04B53/18—Lubricating

Abstract

PISTON HYDRAULIQUE A GORGE DEPRESSURISEE Le piston hydraulique à gorge dépressurisée (1) peut translater dans un cylindre (2) et comprend une jupe fixe (3), une face axiale de compression (4) qui forme avec le cylindre (2) une chambre à fluide (5), et une face axiale de travail (6) qui coopère avec des moyens de transmission (7), ledit piston (1) comprend aussi des moyens d'étanchéité (8), une gorge radiale dépressurisée (9) débouchant en surface de la jupe fixe (3), un conduit axial de décompression (11) aménagé à l’intérieur de ladite jupe (3) et qui débouche au voisinage de la face axiale de travail (6), et un conduit radial de décompression (12) qui met la gorge radiale dépressurisée (9) en communication avec le conduit axial de décompression (11). Figure pour l’abrégé : Fig. 5
FR2003152A 2020-03-30 2020-03-30 piston hydraulique à gorge dépressurisée Active FR3108690B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR2003152A FR3108690B1 (fr) 2020-03-30 2020-03-30 piston hydraulique à gorge dépressurisée
PCT/FR2021/000028 WO2021198572A1 (fr) 2020-03-30 2021-03-18 Piston hydraulique à gorge dépressurisée
CN202180023447.9A CN115315576A (zh) 2020-03-30 2021-03-18 具有减压凹部的液压活塞
JP2022559340A JP2023519595A (ja) 2020-03-30 2021-03-18 減圧溝を有する液圧ピストン
KR1020227034285A KR20220160002A (ko) 2020-03-30 2021-03-18 감압된 오목부를 갖는 유압 피스톤
AU2021249497A AU2021249497A1 (en) 2020-03-30 2021-03-18 Hydraulic piston with a depressurised recess
EP21718637.8A EP4127452A1 (fr) 2020-03-30 2021-03-18 Piston hydraulique à gorge dépressurisée
CA3171713A CA3171713A1 (fr) 2020-03-30 2021-03-18 Piston hydraulique a gorge depressurisee

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2003152 2020-03-30
FR2003152A FR3108690B1 (fr) 2020-03-30 2020-03-30 piston hydraulique à gorge dépressurisée

Publications (2)

Publication Number Publication Date
FR3108690A1 FR3108690A1 (fr) 2021-10-01
FR3108690B1 true FR3108690B1 (fr) 2022-03-04

Family

ID=71452429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2003152A Active FR3108690B1 (fr) 2020-03-30 2020-03-30 piston hydraulique à gorge dépressurisée

Country Status (8)

Country Link
EP (1) EP4127452A1 (fr)
JP (1) JP2023519595A (fr)
KR (1) KR20220160002A (fr)
CN (1) CN115315576A (fr)
AU (1) AU2021249497A1 (fr)
CA (1) CA3171713A1 (fr)
FR (1) FR3108690B1 (fr)
WO (1) WO2021198572A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH443827A (de) * 1963-01-25 1967-09-15 Thoma Hans Prof Ing Dr Anordnung zur Schmierung eines mit Flüssigkeit beaufschlagten Kolbens, insbesondere der Kolben eines hydrostatischen Getriebes
DE10017780B4 (de) * 2000-04-10 2005-12-15 Brueninghaus Hydromatik Gmbh Kolbenmaschine
FR3001774B1 (fr) 2013-02-04 2015-03-13 Vianney Rabhi Moteur-pompe hydraulique a cylindree fixe ou variable
FR3009037B1 (fr) 2013-07-23 2016-01-29 Vianney Rabhi Dispositif d'etancheite pour piston
US10273865B2 (en) * 2015-12-24 2019-04-30 Rabhi Vianney Cooling and lubricating system for a piston sealing device
FR3046205B1 (fr) 2015-12-24 2018-02-16 Vianney Rabhi Systeme de refroidissement et lubrification pour dispositif d'etancheite pour piston
FR3067071B1 (fr) * 2017-06-06 2019-07-19 Vianney Rabhi Piston hydraulique a valve porte-joint de refroidissement et de lubrification
US10634246B2 (en) * 2017-09-05 2020-04-28 Vianney Rabhi Hydraulic piston with cooling and lubrication valve

Also Published As

Publication number Publication date
FR3108690A1 (fr) 2021-10-01
AU2021249497A1 (en) 2022-10-13
CA3171713A1 (fr) 2021-10-07
CN115315576A (zh) 2022-11-08
WO2021198572A1 (fr) 2021-10-07
JP2023519595A (ja) 2023-05-11
EP4127452A1 (fr) 2023-02-08
KR20220160002A (ko) 2022-12-05

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