FR2398904A1 - HYDRAULIC SYSTEM, IN PARTICULAR FOR TRACTORS OR MACHINERY TO BE USED IN AGRICULTURE OR CONSTRUCTION - Google Patents

HYDRAULIC SYSTEM, IN PARTICULAR FOR TRACTORS OR MACHINERY TO BE USED IN AGRICULTURE OR CONSTRUCTION

Info

Publication number
FR2398904A1
FR2398904A1 FR7819520A FR7819520A FR2398904A1 FR 2398904 A1 FR2398904 A1 FR 2398904A1 FR 7819520 A FR7819520 A FR 7819520A FR 7819520 A FR7819520 A FR 7819520A FR 2398904 A1 FR2398904 A1 FR 2398904A1
Authority
FR
France
Prior art keywords
tractors
pipe
hydraulic system
machinery
agriculture
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.)
Withdrawn
Application number
FR7819520A
Other languages
French (fr)
Inventor
Wolfgang Kuhn
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.)
Navistar Inc
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Publication of FR2398904A1 publication Critical patent/FR2398904A1/en
Withdrawn legal-status Critical Current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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Equipement hydraulique de tracteurs munis de dispositif de levage. Un système hydraulique comporte une pompe à huile 1 qui peut être mise en communication par un distributeur 3 soit avec le carter 4 d'un dispositif de relevage principal, soit avec un vérin 6, grâce à un réservoir d'huile auxiliaire 8, une canalisation de débordement 7 et une soupape à flotteur 13 est disposée dans ce réservoir 8 de façon à coopérer avec une canalisation 18 qui permet l'aspiration de la pompe 1; cette canalisation 18 peut être reliée à la chambre à huile du carter 4, en court-circuitant la soupape 13, par l'intermédiaire d'un clapet anti-retour 22. Application : tracteurs agricoles, engins de construction civile.Hydraulic equipment of tractors fitted with lifting device. A hydraulic system comprises an oil pump 1 which can be placed in communication by a distributor 3 either with the casing 4 of a main lifting device, or with a jack 6, thanks to an auxiliary oil tank 8, a pipe of overflow 7 and a float valve 13 is arranged in this reservoir 8 so as to cooperate with a pipe 18 which allows the suction of the pump 1; this pipe 18 can be connected to the oil chamber of the crankcase 4, by short-circuiting the valve 13, via a non-return valve 22. Application: agricultural tractors, civil construction machinery.

FR7819520A 1977-07-25 1978-06-29 HYDRAULIC SYSTEM, IN PARTICULAR FOR TRACTORS OR MACHINERY TO BE USED IN AGRICULTURE OR CONSTRUCTION Withdrawn FR2398904A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772733523 DE2733523A1 (en) 1977-07-25 1977-07-25 HYDRAULIC SYSTEM, IN PARTICULAR FOR AGRICULTURAL OR CONSTRUCTION USE TRACTOR OR WORKING MACHINERY

Publications (1)

Publication Number Publication Date
FR2398904A1 true FR2398904A1 (en) 1979-02-23

Family

ID=6014801

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7819520A Withdrawn FR2398904A1 (en) 1977-07-25 1978-06-29 HYDRAULIC SYSTEM, IN PARTICULAR FOR TRACTORS OR MACHINERY TO BE USED IN AGRICULTURE OR CONSTRUCTION

Country Status (3)

Country Link
DE (1) DE2733523A1 (en)
FR (1) FR2398904A1 (en)
GB (1) GB2001394A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513143A1 (en) * 1985-04-12 1986-10-16 Franz 5413 Bendorf Hübner Hydraulic system for mobile and/or stationary operation
GB2276673B (en) * 1993-04-02 1996-09-11 Johnston Eng Ltd Improvements in hydraulic systems
JP3688752B2 (en) * 1995-04-04 2005-08-31 株式会社 神崎高級工機製作所 Oil supply device for work vehicle
US20050161085A1 (en) * 2003-11-17 2005-07-28 Haunhorst Gregory A. Vent valve for re-circulating hydraulic system
US10514107B2 (en) 2017-06-12 2019-12-24 United Technologies Corporation Check valve for overflow oil line when pressure fill fittings are remote

Also Published As

Publication number Publication date
DE2733523A1 (en) 1979-02-01
GB2001394A (en) 1979-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse