Title:
スロットル装置
Document Type and Number:
Japanese Patent JP7388899
Kind Code:
B2
Abstract:
To provide a multiple throttle valve device that can inhibit a user from feeling a discomfort feeling due to an output difference between cylinders of a multiple cylinder engine.SOLUTION: A throttle device 10 includes two throttle units 11, 12 in total including: a throttle shaft 15; throttle valves 16a, 16b; and a motor 17 rotatably driving the throttle shaft 15, for each two cylinders of an engine 1. Of the two throttle units 11, 12, a return spring 21 installed to the first throttle unit 11 and a return spring 21 installed to the second throttle unit 12 are identical type components but different from each other in their installation modes in the throttle units 11, 12, whereby the return springs exert different energization torques at identical apertures of the throttle valves 16a, 16b and are different from each other in a response performance for rotational speed change.SELECTED DRAWING: Figure 1
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Inventors:
Isamu Tanaka
Application Number:
JP2019219690A
Publication Date:
November 29, 2023
Filing Date:
December 04, 2019
Export Citation:
Assignee:
Mikuni Corporation
International Classes:
F02D9/02; F02D17/00
Domestic Patent References:
| JP2016109080A | ||||
| JP2014066158A | ||||
| JP2012159052A | ||||
| JP2005282463A |
Attorney, Agent or Firm:
Patent Attorney Corporation Aihara International Intellectual Property Office