192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1989-09-14
1991-03-26
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
60567, 192 358, 192 362, 192 83, B60K 4122, B60K 4128, F16D 2508, F16D 2700
Patent
active
050021664
ABSTRACT:
A dual mode clutch control system for a motor vehicle in which the operator has the choice of operating the clutch manually or having the clutch operated in a power mode in response to movement of the gear shift lever. Two embodiments are disclosed. In both embodiments, a mode selector switch is provided which is movable between a manual mode and a power mode. In one embodiment, the power mode is provided by a master cylinder assembly in which the piston of the master cylinder is normally moved by an input rod connected to the clutch pedal but in which an annular pressure chamber is provided in communication with the piston to which pressurized fluid may be delivered from a pressure source when the mode selector switch is positioned in the power mode. The source of pressurized fluid may comprise a motor driving a pump and an accumulator for storing pressurized fluid from the pump. With the system in the power mode, pressurized fluid is delivered from the accumulator to the master cylinder in response to movement of the gear shift lever. In the other embodiment, the power mode of the system is provided by an electric motor including a ball screw assembly drivingly connected to the piston of a master cylinder and the manual operation of the clutch is provided by a pushrod connected to the clutch lever and passing through a central bore provided in the screw of the ball screw assembly for engagement with the piston.
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Bendix Hydro-Max Power Brake brochure (no date given).
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Branum Leslie P.
Leigh-Monstevens Keith V.
Automotive Products plc
Bonck Rodney H.
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