Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1985-09-17
1988-03-15
Staab, Lawrence
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74191, 74796, F16H 374, F16H 1550
Patent
active
047305150
ABSTRACT:
A drive apparatus for engine auxiliary equipment comprises a drive pulley mounted on the crank shaft of an engine. The rotation of the axle of the drive pulley by the crank shaft is transmitted to the grooved body of the drive pulley by a planetary cone-type reduction gear. An output ring of the reduction gear can be moved along the surface of the planetary cones of the reduction gear by an hydraulic ram to change the reduction ratio. A pump driven by the rotation of the drive pulley pumps transmission oil sealed within the housing of the pulley to drive the hydraulic ram. The oil pressure applied to the ram is determined by the opening and closing of a solenoid valve, which is controlled by a controller in accordance with the operating conditions of the engine and the auxiliary equipment driven by the drive pulley. The reduction gear, the pump, the hydraulic ram, and the solenoid valve are housed within the drive pulley which is the same size as a conventional drive pulley.
REFERENCES:
patent: 2828907 (1958-04-01), Oehrli
patent: 3108497 (1963-10-01), Kashihara
patent: 3182519 (1965-05-01), Grieshaber
patent: 4232561 (1980-11-01), Kashihara et al.
patent: 4468984 (1984-09-01), Castelli et al.
Mitsubishi Denki & Kabushiki Kaisha
Novais David
Staab Lawrence
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