Exhaust pressure-raising device for an internal combustion...

Details Exhaust pressure-raising device for an internal combustion... Exhaust pressure-raising device for an internal combustion...

2007-10-02

2007-10-02

Nguyen, Tu M. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Divider, collector, valve means, or boundary layer device...

C060S292000, C137S599010, C137S599110, C137S599160

Reexamination Certificate

active

11017726

ABSTRACT:
There is provided an exhaust pressure-adjusting valve that is brought into a closed position due to a biasing force of a resilient body and is opened against the biasing force of the resilient body due to the exhaust pressure in an exhaust channel, which is raised in response to the closing of a throttle valve, in which valve-opening area is increased or decreased according to the displacement of the resilient body, to thereby adjust the exhaust pressure. The exhaust pressure-adjusting valve has a unit for changing the growth rate of the valve-opening area, which gradually heightens the growth rate of the valve-opening area with respect to the displacement of the resilient body in a valve-opening direction.

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patent: WO-92/00445 (1992-01-01), None

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