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US 2009/0013863 A1Published application
Bent Axis Pump
AssigneeOmfb S.P.A. Hydraulic Components
InventorAmedeo Bianchi
Life of this patent
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Abstract
A bent axis pump wherein the coupling between a cylinder body and a connecting pin of a back body takes place by the interposition of a bush suitable for guiding the rotation of the cylinder body limiting the friction between the cylinder body and the pin. The pin life is considerably extended.
Claims19
Bent axis pump comprising a front body having a shaft revolving relative to a first axis of rotation operatively connected to pistons, a cylinder body associated to the front body and suitable for seating and guiding said pistons,
- the cylinder body being arranged along a second axis of rotation bent relative to the first axis of rotation and being integral in rotation with the shaft,
- a back body associated to the cylinder body and comprising a suction duct and a delivery duct for said pistons,
- the back body being associated to the cylinder body by the interposition of a connecting pin, integral with the back body, wherein
- the cylinder body comprises a seat suitable for receiving a guiding portion of said connecting pin and at least one bush integral with the seat and suitable for turnably receiving the guiding portion of the pin.
1 more element
Dependencies are inferred from the claim text.