Patent ID: 9347382
Filing Date: 2016-05-24
CPC Classification: F02D

Claim Text:
1. A multiple throttle device mounted on an engine having a plurality of cylinders arranged in line, comprising: a throttle body having intake passages arranged corresponding to intake ports of cylinders of the engine; throttle valves situated in the intake passages; a throttle shaft that is rotatably disposed in the throttle body along the throttle valves arranged in line and supports the throttle valves so as to allow the throttle valves to be opened and closed; a drive section that drives the throttle shaft, and a sensor section that detects the opening of the throttle valve, wherein the sensor section includes: a shaft member formed to have a different axis from the throttle shaft, the shaft member is positioned within the width of the throttle body and displaced with the throttle shaft; and a throttle position sensor that is disposed in the shaft member and detects the opening of the throttle valves by the displacement of the shaft member; the shaft member, the throttle position sensor and the drive section are disposed close to a center of the throttle body in a direction where the intake passages are arranged; the shaft member, the throttle position sensor and the drive section are disposed between predetermined intake passages located in the center of the throttle body; the shaft member and the throttle position sensor are disposed on one side in a radial direction of the intake passages across the throttle shaft in a zone between the predetermined intake passages; and the drive section is disposed on the other side in the radial direction of the intake passages across the throttle shaft.