Device for detecting the knock phenomena in internal combustion

Details Device for detecting the knock phenomena in internal combustion Device for detecting the knock phenomena in internal combustion

1979-08-10

1981-05-05

Myhre, Charles J.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

73 35, F02P 514

Patent

active

042652065

ABSTRACT:
In a controlled ignition internal combustion engine, two temperature sensors, one of which is placed in the farthest position relative to the spark plug and the other in the vicinity of the spark plug in a cylinder, generate signals the difference of which is significant for the detection of the knock phenomenon. As the temperature differential of the two sensors exceeds a preselected magnitude, a warning signal may be delivered on the dashboard, or the controlled ignition system of the engine may receive a command for reducing the angle of advance of ignition until ordinary, non-knock conditions are restored for the engine.

REFERENCES:
patent: 2660883 (1953-12-01), Wyczalek
patent: 3939711 (1976-02-01), Hanaoka
patent: 3983754 (1976-10-01), Deguchi et al.
patent: 4061116 (1977-12-01), Saida et al.
patent: 4063538 (1977-12-01), Powell et al.
patent: 4114442 (1978-09-01), Pratt
patent: 4133475 (1979-12-01), Harned et al.

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