Device for the optimization of hydraulically controlled...

Details Device for the optimization of hydraulically controlled... Device for the optimization of hydraulically controlled...

2007-09-18

2007-09-18

Lorence, Richard M (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S051000, C192S10900B

Reexamination Certificate

active

10529714

ABSTRACT:
Optimization of hydraulically controlled engagement of clutches in marine transmissions by a device having two clutch control pistons, two solenoid valves arranged between the pumps, aid pistons, a bistable valve connected between the solenoid valves and pistons, a control valve arranged on a discharge line leading to a reservoir and-an adjusting device with a spring element is linked to the bistable valve. A shuttle-type sequence valve links the spring element and a solenoid and bistable valve supply line. The-bistable valve is linked to the hydraulic control of the sequence valve to produce a preset pressure drop between the spring element (18) and the pressure side of pumps.

REFERENCES:
patent: 3823801 (1974-07-01), Arnold
patent: 4086994 (1978-05-01), Hirosawa et al.
patent: 4451238 (1984-05-01), Arnold
patent: 4690261 (1987-09-01), Peter et al.
patent: 5902344 (1999-05-01), Eike et al.
patent: 6761600 (2004-07-01), Daus et al.
patent: 1440115 (1966-04-01), None
patent: 2 106 610 (1983-04-01), None
patent: 61241532 (1986-10-01), None

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