Knocking sensor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 5, 1985
Issued Date -
N/A
app pub date -
Jul 18, 1983
filing date -
Jun 24, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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