Hydraulic power assembly having a removable top

Details Hydraulic power assembly having a removable top Hydraulic power assembly having a removable top

F - Mech Eng,Light,Heat,Weapons

15

B

F15B 21/00 (2006.01) F04B 23/02 (2006.01) F15B 1/26 (2006.01) F15B 21/04 (2006.01)

Patent

CA 2374562

A hydraulic power assembly (10) includes an electric motor (30) disposed on a removable top (26) outside a tank (12) defining a chamber (25). A first pump (32) depends from the removable top (26) and into the chamber (25) and includes a first inlet (34) and a first outlet (35) to deliver fluid to a fluid line (36) and a fluid distribution manifold (38) disposed on the removable top (26). A leakage line (52) extends from the pump (32) and through the removable top (26) and back through the removable top (26) and drains into the chamber (25) for determining if the pump (32) is operating efficiently. A heat exchanger (78) is adjacent the motor (30) for cooling the hydraulic fluid as it is returned into the chamber (25) thereby cooling the fluid in the chamber (25). The tank (12) also includes a liner (74) for reducing the noise of the pump (32).

Groupe moteur hydraulique (10) comprenant un moteur électrique (30) placé sur un couvercle amovible (26) à l'extérieur d'un réservoir (12) délimitant une chambre (25). Une première pompe (32) branchée au couvercle amovible (26) est plongée dans la chambre (25) et comporte un premier orifice d'aspiration (34) ainsi qu'un premier orifice de refoulement (35) pour diriger un fluide vers une conduite (36) et un collecteur de distribution de fluide (38) placé sur le couvercle amovible (26). Un tuyau de fuite (52) part de la pompe (32), passe et revient par le couvercle amovible (26), puis se termine dans la chambre, (25) ce qui permet de déterminer si la pompe (32) fonctionne bien. Un échangeur de chaleur (78) est placé à côté du moteur (30) pour refroidir le fluide hydraulique lorsqu'il est renvoyé vers la chambre (25), ce qui permet de refroidir le liquide qui se trouve dans la chambre (25). Le réservoir (12) comprend également un isolant (74) pour réduire le bruit de la pompe (32).

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