Patent ID: 7591358

Claim:
An electro-hydraulic control system for a vehicle clutch, comprising: a. a first sub-assembly, comprising: i. an automatic hydraulic pressure source, and ii. a slave cylinder that actuates a clutch; b. a second sub-assembly comprising: i. a manual hydraulic pressure source, ii. a reservoir, connected hydraulically with the manual hydraulic pressure source, and iii. a valve interposed between the manual hydraulic pressure source and the reservoir, the valve isolating the reservoir when the manual hydraulic pressure source is actuated; and c. an isolation valve, connected hydraulically with the first sub-assembly and the second sub-assembly; wherein both the automatic hydraulic pressure source and the isolation valve connect hydraulically to the slave cylinder, and the isolation valve isolates the first sub-assembly from the second sub-assembly during the actuation of the automatic hydraulic pressure source.