Throttle body having fuel return passage and vehicle

Details Throttle body having fuel return passage and vehicle Throttle body having fuel return passage and vehicle

2007-11-06

2007-11-06

Moulis, Thomas (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S361000

Reexamination Certificate

active

11278695

ABSTRACT:
A throttle body includes a housing that accommodates a connector for a rotation shaft of a throttle valve disposed in the throttle body and a throttle position sensor, a fuel return passage that communicates the housing with an air intake passage in the throttle body, a T-shaped pipe that communicates with the air intake passage upstream from the throttle body to function as a pressure control chamber, and an air inflow passage that communicates the housing with the T-shaped pipe. The throttle body smoothly returns the fuel accumulated in a housing that accommodates a connector that connects a throttle position sensor to the end of the rotation shaft of a throttle valve to an air intake passage.

REFERENCES:
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patent: 5490457 (1996-02-01), Boulanger et al.
patent: 5718202 (1998-02-01), Bentz et al.
patent: 6247447 (2001-06-01), Muraji
patent: 6347613 (2002-02-01), Rauch
patent: 6725833 (2004-04-01), Irihune et al.
patent: 7013870 (2006-03-01), Kamimura et al.
patent: 02-007368 (1990-01-01), None
patent: 2002-309968 (2002-10-01), None

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