(19)
(11) EP 1 985 859 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.09.2016 Bulletin 2016/39

(43) Date of publication A2:
29.10.2008 Bulletin 2008/44

(21) Application number: 08398005.2

(22) Date of filing: 24.04.2008
(51) International Patent Classification (IPC): 
F04C 2/08(2006.01)
 F04C 2/18(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 24.04.2007 US 790152

(71) Applicant: ABER- Embraiagens e Comandos Hidraulicos Antonio Bernardes, Lda.
4470-410 Maia (PT)

(72) Inventor:
  • Silva Bernardes, Rui Jorge da
    4470-410 Maia (PT)

(74) Representative: Silvestre de Almeida Ferreira, Luís Humberto 
Patentree, Lda. Edifício Net Rua de Salazares 842
4149-002 Porto
4149-002 Porto (PT)

   


(54) Hydraulic pump system with integrated distributor valve


(57) The present invention is concerning a hydraulic pump system with integrated distributor valve, which is generally applied in a hydraulic circuit normally constituted of an oil deposit (39), a cylinder (40), a module of Pneumatic control (41), and a hydraulic pump with integrated distributor valve (42). The system object of the present invention presents a reduction of the accidents and ruptures in the gear box, operates with higher pressures, reduces the vibrations and prevents clearances and consuming of the pump. The present invention is applicable mainly to power take off's (43) that are located in the gear box of the trucks.







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