Piston-rod unit for hydraulic machines

Details Piston-rod unit for hydraulic machines Piston-rod unit for hydraulic machines

1974-04-22

1976-08-24

Maslousky, Paul E.

Expansible chamber devices

Abutment connection between working member and power...

92 72, 92157, 92159, 92222, 308DIG8, F01B 3110, F16J 120

Patent

active

039759938

ABSTRACT:
A motor or processing machine, such as a lowspeed radial piston motor, having a piston with a socket formed therein operatively contacting a ball formed on one end of a piston rod, to form a ball-and-socket joint with articulated movement, and a shoe on the other end of the piston rod, adapted to glide on a rotating element of the machine, such as a crankshaft eccentric, in which the entire piston rod is formed from a bronze-base bearing metal, such as steel bronze. At least the shoe of the piston rod may be coated with a thin, soft run-in layer, such as tin, and a pocket may be formed in the shoe of the piston rod to provide hydrostatic relief.

REFERENCES:
patent: 3188973 (1965-06-01), Firth et al.
patent: 3263623 (1966-08-01), Alexanderson et al.
patent: 3280758 (1966-10-01), Leeming et al.
patent: 3354786 (1967-11-01), Bedford
patent: 3866518 (1975-02-01), Miyao et al.

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