Piston motor with starting charge device

Details Piston motor with starting charge device Piston motor with starting charge device

1992-01-16

1993-04-27

Look, Edward K.

Power plants

Pressure fluid source and motor

Having distinct cooling or lubricating structure

60488, 92 56, 92154, 91485, 184 617, F16D 3102, F01B 100, F01M 100

Patent

active

052051242

ABSTRACT:
A hydraulic piston type motor having a rotating piston barrel abutting a fixed porting plate or head with a starting charge device including a differential area piston operating to supply a limited hydrostatic pressure between the porting plate and rotating barrel to reduce starting friction and improve starting torque.

REFERENCES:
patent: 2298850 (1942-10-01), Vickers
patent: 3073253 (1963-01-01), Schollhammer
patent: 3181477 (1965-05-01), Matthews
patent: 3800672 (1974-04-01), Kobald
patent: 3980003 (1976-09-01), Huebner et al.

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