Measuring and testing – Vehicle drive train – Rear end
Patent
1982-05-19
1984-01-31
Myracle, Jerry W.
Measuring and testing
Vehicle drive train
Rear end
G01M 1500
Patent
active
044282273
ABSTRACT:
An intake pipe pressure indicating system for an internal combustion engine of a vehicle having an intake pipe including a supercharger and a throttle valve. The system comprises sensors which detect the internal pressure of the intake pipe at an upstream position and at a downstream position, respectively, with respect to the throttle valve and provides corresponding output signals. A comparator provides a logic signal based on the result of a comparison between the output signal from either of the sensors and a reference value. A selection circuit is provided which is adapted to select and to transmit and output either of the output signals on the basis of the logic signal, and a single indicator is provided which is adapted to provide an indication corresponding to the output signal of the selection circuit. The respective intake pipe pressures at the upstream position and at the downstream position with respect to the throttle valve can be selectively indicated by a single indicator in a continuous manner so that the indicator is used effectively.
REFERENCES:
patent: 4046003 (1977-09-01), Armstrong et al.
patent: 4334427 (1982-06-01), Armstrong
Matsuyama Yoji
Ogishima Tetsuo
Sato Morio
Yamagata Tetsuo
Burt Pamela S.
Honda Giken Kogyo Kabushiki Kaisha
Myracle Jerry W.
Shortley John L.
Weiner Irving M.
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