Rzeppa joint socket plate torque restraint assembly for a variab

Details Rzeppa joint socket plate torque restraint assembly for a variab Rzeppa joint socket plate torque restraint assembly for a variab

1990-04-05

1992-07-14

Cuomo, Peter M.

Joints and connections

Structurally installed in diverse art device

403114, 417222R, 417222S, 92 122, 74 60, F16B 100, F04B 126

Patent

active

051297523

ABSTRACT:
An assembly for providing socket plate torque restraint for a variable displacement wobble plate compressor includes a non-rotary Rzeppa joint. The joint has an outer race, an inner race, grooves in the races, a plurality of torque receiving balls and a cage for properly maintaining and positioning the balls in the grooves for operation. The joint is connected to an anti-rotational shaft. The shaft is mounted by the drive hub of the compressor to allow for translational axial and relative rotational motion. At least one key is received in a keyway in the anti-rotational shaft and a companion socket in the cylinder block fixed to the compressor housing. The Rzeppa joint provides the ideal kinematic restraint motion of the socket plate; the profile of the grooves on the inner and outer races and the cage having a curvature to effectively maintain the balls situated substantially in a single torque transmitting plane that bisects the joint angle. The joint effectively transmits the restraining torque to the anti-rotational shaft without vibration. The key on the shaft in turn efficiently transmits the socket plate restraining torque from the shaft to the compressor housing.

REFERENCES:
patent: 2917931 (1959-12-01), Sherman
patent: 4145163 (1979-03-01), Fogelberg et al.
patent: 4221545 (1980-09-01), Terauchi
patent: 4480964 (1984-11-01), Skinner
patent: 4784045 (1988-11-01), Terauchi

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