FR1506058A - Perfectionnements aux soupapes de dérivation pour vérins hydrauliques - Google Patents

Perfectionnements aux soupapes de dérivation pour vérins hydrauliques

Info

Publication number
FR1506058A
FR1506058A FR88763A FR88763A FR1506058A FR 1506058 A FR1506058 A FR 1506058A FR 88763 A FR88763 A FR 88763A FR 88763 A FR88763 A FR 88763A FR 1506058 A FR1506058 A FR 1506058A
Authority
FR
France
Prior art keywords
hydraulic cylinders
bypass valves
bypass
valves
cylinders
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
Application number
FR88763A
Other languages
English (en)
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of FR1506058A publication Critical patent/FR1506058A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/225—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke with valve stems operated by contact with the piston end face or with the cylinder wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D49/00—Tractors
    • B62D49/04—Tractors modified to take pushing devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Actuator (AREA)
FR88763A 1965-12-27 1966-12-23 Perfectionnements aux soupapes de dérivation pour vérins hydrauliques Expired FR1506058A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US516619A US3311026A (en) 1965-12-27 1965-12-27 Bypass valve for hydraulic jacks

Publications (1)

Publication Number Publication Date
FR1506058A true FR1506058A (fr) 1967-12-15

Family

ID=24056386

Family Applications (1)

Application Number Title Priority Date Filing Date
FR88763A Expired FR1506058A (fr) 1965-12-27 1966-12-23 Perfectionnements aux soupapes de dérivation pour vérins hydrauliques

Country Status (6)

Country Link
US (1) US3311026A (fr)
BE (1) BE691819A (fr)
DE (1) DE1279908B (fr)
FR (1) FR1506058A (fr)
GB (1) GB1126725A (fr)
SE (1) SE304921B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547290A1 (fr) * 1983-06-07 1984-12-14 Rassant Sa Ets F Cric hydraulique a limiteur de course perfectionne
EP0182927A1 (fr) * 1984-11-26 1986-06-04 ETABLISSEMENTS F. Rassant S.A. Cric hydraulique à limiteur de course perfectionné

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515224A (en) * 1967-10-05 1970-06-02 Case Co J I Hydraulic cylinder control for bulldozer
DE2056066C3 (de) * 1970-11-14 1979-11-15 Daimler-Benz Ag, 7000 Stuttgart Abschalteinrichtung für die hydraulische Hilfskraft bei einer Hilfskraftlenkung für Fahrzeuge
JPS5733202Y2 (fr) * 1975-02-12 1982-07-22
GB1536417A (en) * 1975-06-19 1978-12-20 Emhart Ind Cylinder and piston assemblies
US3991832A (en) * 1975-07-14 1976-11-16 Deere & Company Hydraulically tiltable and anglable dozer blade and mounting therefor
JPS5234393U (fr) * 1975-08-30 1977-03-10
US4031967A (en) * 1976-06-14 1977-06-28 Caterpillar Tractor Co. Motor grader with spherical bearing mounting for blade tilt cylinders
US4060136A (en) * 1976-06-14 1977-11-29 Caterpillar Tractor Co. Motor grader blade mounting and tilt mechanism
DE2801296A1 (de) * 1978-01-13 1979-07-19 Massey Ferguson Hanomag Inc & Vorrichtung zur veraenderung der einstellung eines schwenkschildes von erdbewegungsmaschinen
JPS5673204A (en) * 1979-11-14 1981-06-17 Takara Isu Kogyo Kk Hydraulic driving apparatus
US4509409A (en) * 1983-02-07 1985-04-09 Towmotor Corporation Pump arrangement for a linear fluid operated device
DE3417447A1 (de) * 1984-05-11 1985-11-21 E.P.E. Budde GmbH, 5980 Werdohl Vorrichtung zur erfassung der endlagen eines hydraulikzylinders
US4860646A (en) * 1987-02-10 1989-08-29 Marathon Corporation Compactor with hydraulic dwell and method
US4825752A (en) * 1987-12-14 1989-05-02 Commercial Shearing, Inc. End-of-stroke bypass valve in piston for impact relief in hydraulic tilt and trim cylinder
DE202013001260U1 (de) 2013-02-12 2014-05-14 Bümach Engineering International B.V. Arbeitszylinder mit Druckmediumüberströmung
WO2015050063A1 (fr) 2014-09-26 2015-04-09 株式会社小松製作所 Cylindre avec fonction d'amortissement des chocs
CN107806457A (zh) * 2016-09-08 2018-03-16 湖北江山液压科技有限公司 一种泄压缓冲液压缸
WO2023147797A1 (fr) 2022-02-04 2023-08-10 Bümach Engineering International B. V. Cylindre de travail à débordement de fluide sous pression
DE202022000299U1 (de) 2022-02-04 2023-06-09 Bümach Enginneering International B.V. Arbeitszylinder mit Druckmediumüberströmung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US841527A (en) * 1904-10-11 1907-01-15 Joseph H Hoover Piston.
US1985361A (en) * 1931-06-01 1934-12-25 Anthony Co Hoist control
GB640414A (en) * 1948-03-06 1950-07-19 Mavor & Coulson Ltd Improvements in props
FR1062300A (fr) * 1952-08-29 1954-04-21 Vérin
US2752890A (en) * 1955-01-27 1956-07-03 Power Brake Parts Mfg Co Pneumatic actuator with automatic pressure unloading device
US2902007A (en) * 1957-05-31 1959-09-01 Allis Chalmers Mfg Co Cylinder piston assembly with pressure relieving means
US3182563A (en) * 1963-08-19 1965-05-11 Thompson Ramo Wooldridge Inc Hydraulic cylinder piston

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547290A1 (fr) * 1983-06-07 1984-12-14 Rassant Sa Ets F Cric hydraulique a limiteur de course perfectionne
EP0182927A1 (fr) * 1984-11-26 1986-06-04 ETABLISSEMENTS F. Rassant S.A. Cric hydraulique à limiteur de course perfectionné

Also Published As

Publication number Publication date
SE304921B (fr) 1968-10-07
BE691819A (fr) 1967-06-27
US3311026A (en) 1967-03-28
GB1126725A (en) 1968-09-11
DE1279908B (de) 1968-10-10

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