Measuring and testing – Vehicle drive train – Rear end
Patent
1979-10-19
1981-07-28
Myracle, Jerry W.
Measuring and testing
Vehicle drive train
Rear end
731173, 340 52R, G01L 2324
Patent
active
042803586
ABSTRACT:
A monitoring device for monitoring the operation of a vehicle internal combustion engine having inlet ducting for admitting a fuel/air mixture into the engine comprises vacuum sensitive apparatus for sensing the degree of vacuum in the inlet ducting, speed sensitive apparatus for sensing the rotational speed of the engine, and warning apparatus including gates, multivibrator circuitry, a loudspeaker, and a recorder. When the degree of vacuum falls below a predetermined vacuum value, warning bleeps are issued by the loudspeaker and recordings are made on the recorder. The warning apparatus is operative in response to the vacuum sensitive apparatus and the speed sensitive apparatus to provide a predetermined vacuum value which is a stepwise increasing function of rotational speed sensed.
An inclined mercury containing capsule is provided to inhibit bleeping and recording when the vehicle is inclined at more than a predetermined angle to the horizontal in the direction of travel of the vehicle.
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Flocks Karl W.
Kiloking (Proprietary) Limited
Myracle Jerry W.
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