Radial piston machine with pistons and piston shoes between face

Details Radial piston machine with pistons and piston shoes between face Radial piston machine with pistons and piston shoes between face

1984-03-30

1988-10-11

Croyle, Carlton R.

Expansible chamber devices

Rotating cylinder

Plural cylinders

91491, F01B 1306

Patent

active

047762586

ABSTRACT:
A radial-piston machine has a rotor formed with a plurality of cylinders, wherein pistons are reciprocable. Each such piston is formed on its radially outer end with a reception seat and a pivotable portion of a respective piston shoe is engageable on the seat. The piston shoes ride on an eccentric cam in a housing of the machine. Each such piston shoe may move radially into and out of engagement with the respective piston. A pair of end members axially flank the piston shoes to prevent their escape in axial direction. The former requirement to connect the piston shoes pivotably to the pistons is eliminated by the application of seal- and support-faces in the rotor, a stroke guide face on the cam, outer faces and end faces on the piston shoes and innermost faces on provided end members, whereby the piston shoes are retained between the mentioned faces, but permitted to otherwise free movement between the pistons, rotor, end members, and the cam. A certain fastening of the piston shoe to the piston may, however, be provided, if so desired.

REFERENCES:
patent: 2431175 (1947-11-01), Hoffer
patent: 3123013 (1964-03-01), Gawahl
patent: 3223046 (1965-12-01), Eickmann
patent: 3601013 (1971-08-01), Albertson
patent: 3874271 (1975-04-01), Eickmann
patent: 3949648 (1976-04-01), Eickmann
patent: 4009643 (1977-03-01), Thumu
patent: 4037523 (1977-07-01), Eickmann
patent: 4144798 (1979-03-01), Cyphelly
patent: 4348946 (1982-09-01), Eickmann

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