Sensor module unit and a throttle apparatus equipped with...

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

Reexamination Certificate

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Details

C123S337000, C073S118040

Reexamination Certificate

active

10546326

ABSTRACT:
The present invention provides a sensor installation structure for installation of a plurality of sensors disposed on an inlet pipe side of an engine, and enables each of the sensors to be positioned in an accurate measuring position. A sensor module unit is integrally provided with a plurality of sensors necessary for fuel supply control and intake-air flow rate control in an internal-combustion engine, and has an intake-air temperature sensor holding portion installed with an intake-air temperature sensor, at least one of a throttle position sensor holding portion installed with a position sensor to detect an opening angle of a throttle valve in an intake throttle apparatus, and an intake-air pressure sensor holding portion installed with an intake-air pressure sensor, and a unit main body that integrally accommodates the intake-air temperature sensor holding portion, and the at least one of the throttle position sensor holding portion and the intake-air pressure sensor holding portion to position these holding portions in respective predetermined arrangement positions in the unit, whereby each of the sensors is positioned in a predetermined measuring position in the throttle apparatus when the unit main body is installed in the vicinity of a throttle axle of the intake throttle apparatus.

REFERENCES:
patent: 6725833 (2004-04-01), Irihune et al.
patent: 2002/0023486 (2002-02-01), Watanabe et al.
patent: 1 128 168 (2001-08-01), None
patent: 7-260534 (1995-10-01), None
patent: 9-250374 (1997-09-01), None
patent: 11-223508 (1999-08-01), None
patent: 11-294216 (1999-10-01), None
patent: 2001-207867 (2001-08-01), None
patent: 2001-311637 (2001-11-01), None

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