Axial piston motor or pump with an arrangement to thrust the rot

Details Axial piston motor or pump with an arrangement to thrust the rot Axial piston motor or pump with an arrangement to thrust the rot

1987-01-16

1990-01-30

Bonck, Rodney H.

Machine element or mechanism

Elements

Gear casings

74687, 91485, 91488, 180243, 180308, F16H 3706, F16H 4704, F01B 100, B60K 17356

Patent

active

048965642

ABSTRACT:
In an axial piston motor or pump the cylinder barrel is mounted on a medial shaft which has a shoulder which axially bears against the front end of the rotor barrel. The rear end of the medial shaft is radially borne in a housing portion. The front portion of the medial shaft is provided with a bearing member of an axial thrust bearing for support on a respective axial thrust bearing member in the housing. On the rear end of the rotary barrel an axially selfthrusting control body is provided to seal the flow of fluid to and from the cylinders of the rotary barrel. The control body presses against the rotary barrel, the rotary barrel presses against the shoulder of the medial shaft and the thrust bearing member of the shaft bears on the thrust bearing member of the housing. As a result thereof the cylinders in the rotary barrel can be straight through bores. The manufacturing of the rotor barrel is thereby simplified and the flow acceleration losses of former bore type cylinders are prevented.

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