Electrohydraulic control device for a drive train of a machine

Details Electrohydraulic control device for a drive train of a machine Electrohydraulic control device for a drive train of a machine

1997-09-04

1999-09-07

Marmor, Charles A

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 325, 192 33, 192221, 747331, B60K 4128

Patent

active

059472421

ABSTRACT:
An electrohydraulic control device for a drive train of a machine is disclosed. The machine includes an engine, a torque converter having an impeller element, a reactor element and a turbine element, an impeller clutch drivingly connected between the engine and the impeller element, and a set of service brakes. An impeller brake is drivingly connected between the impeller element and a stationary support member. A controller receives at least one input signal representing an operation of the drive train and responsively controls one of the impeller clutch, impeller brake and brake set.

REFERENCES:
patent: 3901030 (1975-08-01), Wonn
patent: 4066157 (1978-01-01), Gibbs
patent: 4321990 (1982-03-01), Koch, Jr.
patent: 5040648 (1991-08-01), Mitchell et al.
patent: 5456333 (1995-10-01), Brandt et al.
patent: 5509520 (1996-04-01), Evans et al.
patent: 5613581 (1997-03-01), Fonkalsrud et al.

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