Internal combustion engine with engine knock sensor

Details Internal combustion engine with engine knock sensor Internal combustion engine with engine knock sensor

1982-10-28

1984-05-29

Gill, James J.

Measuring and testing

Engine detonation

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

G01L 2322

Patent

active

044507097

ABSTRACT:
An internal combustion engine comprises a cylinder head having a cylinder wall section defining therein a cylinder bore, and an outer wall section, forming therebetween an engine coolant passage. The cylinder wall section is formed with a boss section to which an engine knock sensor is rigidly connected. The cylinder block outer wall section is formed with an opening at a location generally corresponding to the boss section to separate the boss section from the cylinder block outer wall section. Additionally, a resilient seal member is disposed between the cylinder block outer wall section and the engine knock sensor to prevent engine coolant from leaking through the outer wall section opening. Accordingly, the engine knock sensor is directly subjected to engine knock vibration, thereby greatly improving engine knock sensing accuracy without being affected by noise vibrations.

REFERENCES:
patent: 4153020 (1979-05-01), King et al.
patent: 4225802 (1980-09-01), Suzuki et al.
patent: 4382377 (1983-05-01), Kleinschmidt et al.
patent: 4408479 (1983-10-01), Asai et al.

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