Measuring and testing – Engine detonation – Specific type of detonation sensor
Reexamination Certificate
2006-01-17
2006-01-17
Kwok, Helen (Department: 2856)
Measuring and testing
Engine detonation
Specific type of detonation sensor
Reexamination Certificate
active
06986277
ABSTRACT:
Structure for mounting a knock sensor (41) on an engine includes the sensor (41) comprised of an annular main body (1) and an external connecting portion (2). The knock sensor (41) is secured onto a mounting seat (52) formed on the engine for detecting vibration thereof transmitted to a piezoelectric element (10) from the mounting seat (52) through the main cylindrical metal member (3). The mounting structure includes a clamping member (91) extending through a through-hole (5) for fixing the main body (1) on the seat (52), an engine-side engaging portion (53) radially distanced from the axis of the clamping member (91) and a bearing portion (2) provided on the sensor (41) and adapted to engage with the engine-side engaging portion (53). The knock sensor can be mounted easily with harness layout design being facilitated because the knock sensor is prevented from rotation upon mounting thereof.
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patent: 5939616 (1999-08-01), Ito et al.
patent: 6752005 (2004-06-01), Harada et al.
patent: 10-267746 (1998-10-01), None
patent: 11-201813 (1999-07-01), None
patent: 1999-012664 (1999-02-01), None
Kwok Helen
Mitsubishi Denki & Kabushiki Kaisha
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