Accessory drive device in engine

Details Accessory drive device in engine Accessory drive device in engine

1985-11-29

1986-12-09

Herrmann, Allan D.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74192, 74796, F16H 1706, F16H 1550, F16H 1516

Patent

active

046273093

ABSTRACT:
A device which drives accessories such as an alternator or a cooling water pump utilizing output of an automobile engine, includes an input shaft rotating at speed corresponding to an output shaft of the engine, and a nonstage transmission installed between the shaft and a pulley connected to the accessories. The nonstage transmission is provided with a planetary cone rotating in revolution around the input shaft and also in self-rotation, and a shifting ring engaged in frictional engagement with the conical surface of the planetary cone and movable along the axial direction of the pulley, thereby the transmission ratio corresponding to displacement of the gear shifting ring is obtained. Variation of the position of the shifting ring is performed by action of a hydraulic piston/cylinder assembly working at hydraulic pressure corresponding to the rotational speed of the pulley.

REFERENCES:
patent: 2953039 (1960-09-01), McRae
patent: 3108496 (1963-10-01), Kashihara
patent: 3108497 (1963-10-01), Kashihara
patent: 4232561 (1980-11-01), Kashihara et al.
patent: 4468984 (1984-09-01), Castelli et al.

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