Hydraulic pump and motor

Details Hydraulic pump and motor Hydraulic pump and motor

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 1/12 (2006.01) F04B 1/20 (2006.01) F04B 1/32 (2006.01)

Patent

CA 2418775

A hydraulic unit has a drive shaft (52) mounted in a manifold block (54) and coupled to a torque plate (80) on a central axis. A bent axis motive unit (60) has a yoke connected to the manifold block supported for rotation on the yoke. Hollow pistons (100) in cylinders in the cylinder block allow fluid to flow through a torque plate into and form the manifold without the necessity for passing fluid through an articulating member that pivots the cylinder block.

L'invention concerne une unité hydraulique comportant un arbre d'entraînement (52) monté dans un bloc collecteur (54) et relié à une plaque de couple (80) sur un axe central. Une unité motrice (60) à axe brisé est pourvue d'une mâchoire qui sert de support au bloc collecteur pour sa rotation. Des pistons creux (100) disposés dans les cylindres du bloc-cylindres permettent au fluide de s'écouler à travers la plaque de couple vers l'intérieur du bloc collecteur et hors de celui-ci, sans qu'il ait à traverser un élément d'articulation qui fait pivoter le bloc-cylindres.

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