THROTTLE SYSTEM AND SENSOR UNIT

摘要

A sensor unit (1) includes a unit main body (21) mounted on a throttle device (2) and a pressure sensor chamber (26) that is provided at the unit main body (21) and that accommodates an intake pressure sensor (32) to detect an intake pressure through an intake pipe, and the pressure sensor chamber (26) includes a pressure receiving area (70) to receive a pressure in the intake pipe and a pressure detecting area (72) divided by a partition (80) from the pressure receiving area (70), communicating with the pressure receiving area (70) through a predetermined communication portion (s) and detecting a pressure received by the pressure receiving portion (70) by the intake pressure sensor (32) so that a foreign substance is prevented from flowing into the intake pressure sensor when guiding an air in the intake pipe to the intake pressure sensor (32), by which detection accuracy by the intake pressure sensor (32) can be improved.