Internal-combustion engines – Engine speed regulator – Open loop condition responsive
Reexamination Certificate
2007-12-11
2007-12-11
Solis, Erick (Department: 3747)
Internal-combustion engines
Engine speed regulator
Open loop condition responsive
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.
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Musashi Kazuhiro
Yamazaki Shigeru
Mikuni Corporation
Solis Erick
Wenderoth , Lind & Ponack, L.L.P.
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