ES478217A1 - Un cilindro de bloqueo perfeccionado. - Google Patents

Un cilindro de bloqueo perfeccionado.

Info

Publication number
ES478217A1
ES478217A1 ES478217A ES478217A ES478217A1 ES 478217 A1 ES478217 A1 ES 478217A1 ES 478217 A ES478217 A ES 478217A ES 478217 A ES478217 A ES 478217A ES 478217 A1 ES478217 A1 ES 478217A1
Authority
ES
Spain
Prior art keywords
pilot piston
chamber
housing
outer section
stem
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
ES478217A
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.)
Enerpac Tool Group Corp
Original Assignee
Applied Power Inc
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 Applied Power Inc filed Critical Applied Power Inc
Publication of ES478217A1 publication Critical patent/ES478217A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
    • B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

Un cilindro de bloqueo perfeccionado que comprende: (a) un alojamiento de cilindro que tiene una sección exterior y un alojamiento de pistón piloto soportado estáticamente en la sección exterior, conteniendo dicho alojamiento de cilindro una lumbrera de empuje, una lumbrera de tracción, una cámara de vástago y una cámara de expansión definida en parte por una superficie interior de la sección exterior y una superficie exterior del alojamiento de pistón piloto; [y una cámara de vástago]; (b) un pistón de trabajo recibido deslizablemente en la sección exterior de dicho alojamiento de cilindro de tal manera que una superficie de dicho pistón de trabajo está vuelta hacia la cámara de expansión y la otra superficie está vuelta hacia la cámara de vástago; (c) un pistón piloto recibido deslizablemente en una primera cámara axial de dicho alojamiento de pistón piloto, llevando dicho pistón piloto unos medios de válvula de asiento asentables en un asiento de dicho alojamiento de pistón piloto [alrededor del mismo].
ES478217A 1978-03-02 1979-03-01 Un cilindro de bloqueo perfeccionado. Expired ES478217A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/882,550 US4200031A (en) 1978-03-02 1978-03-02 Locking cylinders

Publications (1)

Publication Number Publication Date
ES478217A1 true ES478217A1 (es) 1979-07-01

Family

ID=25380826

Family Applications (1)

Application Number Title Priority Date Filing Date
ES478217A Expired ES478217A1 (es) 1978-03-02 1979-03-01 Un cilindro de bloqueo perfeccionado.

Country Status (8)

Country Link
US (1) US4200031A (es)
EP (1) EP0004165B1 (es)
JP (1) JPS5911763B2 (es)
AU (1) AU520806B2 (es)
BR (1) BR7901260A (es)
CA (1) CA1093939A (es)
DE (1) DE2961733D1 (es)
ES (1) ES478217A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712467A (en) * 1986-09-08 1987-12-15 Foster Raymond K Combined linear hydraulic motor and transfer valve
JPH04108013U (ja) * 1991-02-20 1992-09-18 和田工業株式会社 コンパクト容器
US5275086A (en) * 1992-08-27 1994-01-04 Unlimited Solutions, Inc. Fluid actuator with internal pressure relief valve
US6868772B2 (en) * 2002-10-08 2005-03-22 Imi Norgren, Inc. Fluid control valve
US20040112208A1 (en) * 2002-12-11 2004-06-17 Kot Norbert J. Pilot-operated check valve cartridge

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653626A (en) * 1946-09-14 1953-09-29 Vickers Inc Power transmission
US2869327A (en) * 1957-07-22 1959-01-20 Crown Engineering Corp Hydraulically operated power mechanism
JPS3918634Y1 (es) * 1961-11-25 1964-07-02
US3162092A (en) * 1962-07-09 1964-12-22 Tomkins Johnson Company Cylinder cushion structure
US3322039A (en) * 1966-01-07 1967-05-30 Parker Hannifin Corp Hydraulic cushion
US3411521A (en) * 1966-07-14 1968-11-19 Caterpillar Tractor Co Hydraulically stabilized double-acting pilot-operated load check valves
US3523490A (en) * 1968-03-28 1970-08-11 Caterpillar Tractor Co Anti-cavitation mechanism for fluid driven systems
US3665810A (en) * 1970-01-14 1972-05-30 Koehring Co Differential pressure holding valve
FR2055206A5 (es) * 1970-05-09 1971-05-07 Pinto Mario Spa
DE2114824A1 (de) * 1971-03-26 1972-10-05 Otto Sauer, Achsenfabrik, 8752 Keilberg Fahrerhauskippvorrichtung an einem Kraftfahrzeug
US3801151A (en) * 1972-08-30 1974-04-02 Applied Power Inc Double-acting lift cylinder with integral velocity fuses
NL7309231A (nl) * 1973-07-03 1975-01-07 Doornes Bedrijfswagen Fab Regelinrichting voor een dubbelwerkende hefcylinder.
GB1514489A (en) * 1974-11-28 1978-06-14 Dewandre Co Ltd C Hydraulic cab-tilting systems
JPS5730483Y2 (es) * 1976-06-10 1982-07-05

Also Published As

Publication number Publication date
AU520806B2 (en) 1982-02-25
US4200031A (en) 1980-04-29
EP0004165A1 (en) 1979-09-19
CA1093939A (en) 1981-01-20
JPS54126879A (en) 1979-10-02
JPS5911763B2 (ja) 1984-03-17
BR7901260A (pt) 1979-10-09
EP0004165B1 (en) 1982-01-06
AU4473079A (en) 1979-09-06
DE2961733D1 (en) 1982-02-25

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