Measuring and testing – Engine detonation – Combustion signal compared to reference signal varied by a...
Patent
1982-01-12
1984-08-07
Swisher, S. Clement
Measuring and testing
Engine detonation
Combustion signal compared to reference signal varied by a...
310329, G01L 2322
Patent
active
044635966
ABSTRACT:
A housing is mounted on the body of an internal combustion engine to vibrate together therewith. The housing contains a weight that is constructed as a unitary structure together with a vibration unit which has such a rigidity as to resonate at knocking frequencies of the internal combustion engine, and a converter element which converts the pressure received from the weight into electric signals.
REFERENCES:
patent: 2808522 (1957-10-01), Dranetz
patent: 3120622 (1964-02-01), Dranetz et al.
patent: 3252016 (1966-05-01), Hayer
patent: 4373378 (1983-02-01), Fujishiro
Hitachi , Ltd.
Swisher S. Clement
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