Measuring and testing – Engine detonation – Combustion signal compared to reference signal varied by a...
Patent
1983-07-18
1985-02-05
Gill, James J.
Measuring and testing
Engine detonation
Combustion signal compared to reference signal varied by a...
G01L 2322
Patent
active
044971982
ABSTRACT:
A knocking sensor comprises a casing for receiving a pickup assembly including a transducer, which produces an electrical signal in accordance with engine vibrations, and a connector having at least a single pin electrically connected to the transducer. The casing comprises a threaded projection to be screwed in a screw hole of an engine, and a nut-like periphery to be rotated by a tool. The knocking sensor can be attached to the engine by means of an impact wrench, by rotating the nut-like portion. A plug connected to one end of a shielding code can be plugged in the connector to make an electrical connection between the transducer and a signal processing circuit after the knocking sensor has been attached to the engine, and therefore, the shielding code is prevented from being damaged during installation of the knocking sensor. The use of an impact wrench ensures secure attachment of the sensor, and reduces the installation time.
REFERENCES:
patent: 4096735 (1978-06-01), Huntzinger et al.
patent: 4161665 (1979-07-01), Buck et al.
patent: 4193647 (1980-03-01), Guess
patent: 4343187 (1982-08-01), Kaji
patent: 4374472 (1983-02-01), Nishimura
Asano Shogo
Kaji Kiyokane
Miura Kenzo
Ohta Jun
Sugiyama Kunio
Gill James J.
Matsushita Electric - Industrial Co., Ltd.
Toyota Jidosha & Kabushiki Kaisha
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