Power plants – Pressure fluid source and motor – Utilizing lubricant – starter motor – cooling fluid – or fluid...
Patent
1979-03-19
1980-09-30
Cohen, Irwin C.
Power plants
Pressure fluid source and motor
Utilizing lubricant, starter motor, cooling fluid, or fluid...
60411, 192 3R, 192 3M, B60K 4120
Patent
active
042247918
ABSTRACT:
An arrangement for generating and making available a vacuum for an auxiliary power system of a vehicle, such as a brake booster, comprises a throttle disposed in the intake system of an internal combustion engine between the carburetor and the engine, a vacuum conduit having one end connected to the auxiliary power system and the other end connected to the intake system between the throttle and the engine, a first sensor coupled to the conduit produces a first response when the vacuum has achieved at least a predetermined value, at least one second sensor responding to at least one other operating state of either the engine or the vehicle to produce a second response dependent on the operating state, and a control arrangement coupled to the first and second sensors and the throttle to control the throttle in response to the first and second responses.
REFERENCES:
patent: 3792760 (1974-02-01), Haas
patent: 3792761 (1974-02-01), Ball et al.
patent: 3792762 (1974-02-01), Ball et al.
Cohen Irwin C.
Hill Alfred C.
IT&T Industries, Inc.
O'Halloran John T.
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