Radial piston pump or engine

Details Radial piston pump or engine Radial piston pump or engine

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 19/40 (2006.01) F01B 1/06 (2006.01) F16C 19/46 (2006.01) F16C 33/52 (2006.01) F16C 33/60 (2006.01)

Patent

CA 2060502

A radial piston pump or engine wherein the thrust exerted by the pistons is transmitted to the cam (1) via a needle bearing (2) which comprises no outer roller ring so that the needles (2) roll directly on the cam (1). To reduce friction, the needles are kept apart by smaller diameter needles or spheres (3).

2060502 9116547 PCTABS00106 Pompe ou moteur à piston radiaux dans lequel la poussée exercée par les pistons est transmise sur la came (1) par l'intermédiaire d'un roulement à aiguilles (2) qui ne comporte pas de bagues de roulement externe, le roulement des aiguilles (2) s'effectuant sur la came directement (1). Pour diminuer le frottement, les aiguilles sont séparées entre elles par des aiguilles ou des sphères de plus petit diamètre (3).

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