Optical engine knock sensor

Details Optical engine knock sensor Optical engine knock sensor

1980-12-09

1982-11-16

Gill, James J.

Measuring and testing

Engine detonation

Combustion signal compared to reference signal varied by a...

350 61, G01L 2322

Patent

active

043589529

ABSTRACT:
To detect detonations in the combustion chamber of an internal combustion engine, the sensor system is constructed as a unit that may be threadedly engaged with the combustion chamber wall, the unit including an antechamber in the region near the combustion chamber and a detector being disposed at the base of the antechamber. The sensor system further may be equipped with a heater for burning off contaminations. In a further embodiment, at least one filter disc is disposed in front of the detector, so that a selective processing of the received optical signals is possible.

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