Servo unit
5th September 1969, Page 74
5th September 1969
Page 74
Page 74, 5th September 1969
— Servo unit
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Westinghouse CVB has produced a pamphlet that describes the company's air /hydraulic/mechanical servo unit that is particularly suitable for clutch operation on a vehicle having a supply of compressed air.
In this application, hydraulic pressure created in the clutch master cylinder by depression of the pedal is transferred to a piston in the servo unit that operates the clutch lever mechanism. At the same time hydraulic pressure simultaneously opens an inlet valve to an air chamber and closes an air-exhaust valve. A piston in this chamber is co-axial with the main operating piston and air pressure is thus used to increase the thrust on the clutch mechanism.
Issued by: Westinghouse CVB Ltd., Kingsvvood, Bristol.
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