Transmission having variable V-belt unit and hydrodynamic unit

Details Transmission having variable V-belt unit and hydrodynamic unit Transmission having variable V-belt unit and hydrodynamic unit

1979-07-16

1981-06-23

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Alternatively operative drive and clutch

192 357, 74730, 474 28, B60K 4102, F16H 5552

Patent

active

042745209

ABSTRACT:
A transmission includes a hydrodynamic transmission, such as a torque convertor or a fluid coupling, connectable to a drive source and driving an infinitely variable V-belt transmission having primary and secondary pulleys each constructed of two conical pulley discs. The drive ratio of the V-belt transmission is controlled by a pressure cylinder which adjusts the axial position of one of the pulley discs, and the hydrodynamic transmission is lockable in a direct drive mode in response to the pressure in the pressure cylinder.

REFERENCES:
patent: 1068364 (1913-07-01), Pugh et al.
patent: 2467249 (1949-04-01), Bobard
patent: 2829533 (1958-04-01), Ballmer et al.
patent: 3083801 (1963-04-01), Frohner
patent: 3365035 (1968-01-01), Kress
patent: 3526305 (1970-09-01), August
patent: 3893343 (1975-07-01), Zaiser et al.
patent: 4125037 (1978-11-01), Palmer et al.
patent: 4143558 (1979-03-01), Van Deursen et al.

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