Measuring and testing – Engine detonation – Combustion signal compared to reference signal varied by a...
Patent
1982-09-30
1984-05-08
Gill, James J.
Measuring and testing
Engine detonation
Combustion signal compared to reference signal varied by a...
73116, 123494, G01L 2322, G01L 2324
Patent
active
044467249
ABSTRACT:
A combination pressure and knock sensor produces an electrical signal in response to the intake manifold absolute pressure of an internal combustion engine. A high pass filter is coupled to the output of the sensor for providing a signal indicative of engine knock. A low pass filter is coupled to the output of the sensor for providing a signal indicative of absolute intake manifold vacuum pressure.
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Abolins Peter
Ford Motor Company
Gill James J.
Sanborn Robert D.
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