Multiple throttle apparatus

Details Multiple throttle apparatus Multiple throttle apparatus

2006-06-27

2006-06-27

Solis, Erick (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having plural throttle valve structure

C123S337000

Reexamination Certificate

active

07066142

ABSTRACT:
A multiple throttle apparatus has a plurality of throttle valves respectively disposed at each air intake passage corresponding to each cylinder of an engine, a plurality of throttle shafts to support the plurality of throttle valves for each group, and a plurality of drive elements to respectively drive the throttle shafts. With this structure, open-close control of one group of the throttle valves and of the other group of throttle valves can be performed separately. Therefore, the combustion condition, namely the power, can adequately be controlled in accordance with the driving conditions, and fine control, even to perform ISC, is possible. In this manner, it becomes possible to obtain electronic control and fine control to a multiple throttle apparatus of an engine mounted on a motorcycle.

REFERENCES:
patent: 5027769 (1991-07-01), Yoshida et al.
patent: 5036816 (1991-08-01), Mann
patent: 5063899 (1991-11-01), Hitomi et al.
patent: 6622695 (2003-09-01), Kondo
patent: 58-90337 (1983-06-01), None
Hideki Obayashi et al., Patent Abstracts of Japan, “Intake Air Control Device For Internal Combustion Engine”, Publication No.: 05-248247, Publication Date: Sep. 24, 1993.
Kenzo Watanabe, Patent Abstracts of Japan, “Intake-Air Controller For Engine”, Publication No.: 11-013493, Publication Date: Jan. 19, 1999.
Naoya Yamaguchi et al., Patent Abstracts of Japan, “Throttle Control Device For Engine”, Publication No.: 2002-256896, Publication Date: Sep. 11, 2002.
Masaaki Matsuura et al., Patent Abstracts of Japan, “Controller For Multi-Carburetor”, Publication No.: 57-056636, Publication Date: Apr. 5, 1982.

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