Valve controller

Details Valve controller Valve controller

2007-08-07

2007-08-07

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090160, C123S090170, C123S090110, C701S105000, C701S107000, C701S112000, C701S113000

Reexamination Certificate

active

11111780

ABSTRACT:
A valve controller includes a detector detecting a shutdown command signal to shutdown an engine, a driving circuit for driving a motor, and a power source controller. The power source controller turns on the driving circuit until the predetermined period has passed since the shutdown command signal is detected. Thus, the valve controller adjusts the valve opening/closing character in such a manner as to be suitable to an engine condition.

REFERENCES:
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patent: 6260535 (2001-07-01), Froeschl et al.
patent: 6378475 (2002-04-01), Takenaka et al.
patent: 6474291 (2002-11-01), Collins et al.
patent: 2003/0144778 (2003-07-01), Miyano
patent: 4-105906 (1992-09-01), None
patent: 11-324625 (1999-11-01), None

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