Device for coupling the pistons to the rotor in a radial-piston

Details Device for coupling the pistons to the rotor in a radial-piston Device for coupling the pistons to the rotor in a radial-piston

1978-05-18

1980-09-23

Michalsky, Gerald A.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

91491, 92148, 417273, F04B 104

Patent

active

042235952

ABSTRACT:
The device is comprised of an auxiliary annular element concentrically mounted on each piston end facing the spherical surface of the rotor. Each piston end is provided with an annular shoulder bearing against a matching annular shoulder formed on the inner periphery of the circular aperture through which the auxiliary annular element is mounted on the piston end. The same auxiliary annular element is also provided with oppositely disposed lateral flanges, in a position corresponding to the sides of the rotor, each having a respective recess which is open in the axial direction opposite to the corresponding side of the rotor and extending in the circumferential direction in an arc of a circle concentric with the rotor. Coupling rings disposed at the sides of the rotor, concentrically therewith, engage said recesses to hold the piston end in contact with the spherical surface of the rotor.

REFERENCES:
patent: 3320902 (1967-05-01), Paschke
patent: 3945766 (1976-03-01), Gelon
patent: 3968736 (1976-07-01), Pecorari

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