Power transmission apparatus

Endless belt power transmission systems or components – Fluid-impelling means

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Details

4172222, F16H 5704, F04B 126

Patent

active

061528455

ABSTRACT:
A drive power transmission apparatus having an elastically deformable unit formed by combining at least one torque limiting coil spring arranged between a first rotating unit which includes a hub-like plate attached to a drive shaft supported for rotation on a housing of a rotation-receiving unit such as a compressor and a second rotating unit which includes a pulley element driven by a drive power source and supported for rotation on the housing of the rotation-receiving unit via an angular-contact bearing. The elastically deformable unit of the apparatus normally provides an operative interconnection between the first and second rotating units to transmit a drive power from the drive power source to the rotation receiving unit, but disengages one from the other when a load torque produced by the rotation-receiving unit exceeds a predetermined limiting torque in order to interrupt the transmission of the load torque from the rotation-receiving unit to the drive power source.

REFERENCES:
patent: 5865604 (1999-02-01), Kawaguchi et al.

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