Knock sensor for an internal combustion engine

Details Knock sensor for an internal combustion engine Knock sensor for an internal combustion engine

2006-12-12

2006-12-12

Larkin, Daniel S. (Department: 2856)

Measuring and testing

Engine detonation

Specific type of detonation sensor

Reexamination Certificate

active

07146847

ABSTRACT:
A knock sensor for an internal combustion engine with an electronically evaluated vibration sensor should have a simple design and allow a rational installation.To this end, the vibration sensor is characterized in thatthe knock sensor comprises at least one spring washer (4, 4′) that is or can be tensioned relative to the internal combustion engine, anda piezoresistive amorphous carbon layer (5) is applied onto at least one face of the at least one spring washer (4; 4′).

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