Radial piston machine

Details Radial piston machine Radial piston machine

1982-03-08

1984-05-01

Freeh, William L.

Pumps

Expansible chamber type

Moving cylinder

91498, F01B 1306, F04B 1500

Patent

active

044458258

ABSTRACT:
The radial piston machine comprises a rotor-stator unit including an outer stator and an inner rotor received in a housing, with the rotor being rotatable with a connected shaft through a spring clutch engaging one rotor end face. The rotor is centered axially elastically relative to the stator. The stator includes on its periphery at least one elastic body supporting the unit in the housing in a radially elastic and substantially torsionally secured and axially located fashion. At least another sealing body provided on the periphery of the stator seals the unit relative to the housing in the area of a pressure port, such that the elastic body associated with the sealing body is not acted upon by hydraulic pressure. Because the sealing and supporting functions are accomplished by separate constructional elements in the form of elastic bodies and sealing bodies, hydraulic pressure does not act on the elastic bodies when the machine is in operation, so that their elasticity cannot be impaired by the hydraulic pressure.

REFERENCES:
patent: 1936614 (1933-11-01), Ballman
patent: 2079119 (1937-05-01), Hillis

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