Multi-purpose valve

Details Multi-purpose valve Multi-purpose valve

Filed on

2006-04-11

Date issued

2006-04-11

Examiner

Tran, Binh Q. (Department: 3748)

Patent Class

Power plants

SubClass

Internal combustion engine with treatment or handling of...

SubSubClass

By means producing a chemical reaction of a component of the...

Other Related Categories

C060S290000, C060S292000, C060S293000, C060S307000, C137S351000, C137S614200, C251S082000

Type

Reexamination Certificate

Status

active

Patent number

07024852

Description

ABSTRACT:
In an electrical multi-purpose valve for supplying secondary air into an exhaust system of an internal combustion engine, in which a power-actuated closing member controls a valve orifice in a passage between an inlet from an air supply line and an outlet to the exhaust system, a non-return valve is arranged downstream of the closing body in the direction of the flow of the air through the valve between the non-return valve and the valve outlet, and baffle devices are provided which deflect exhaust gas entering the valve from the outlet at least once by an angle of about 90°.

REFERENCES:
patent: 4191013 (1980-03-01), Katahira et al.
patent: 4232517 (1980-11-01), Sumiyoshi et al.
patent: 4270347 (1981-06-01), Fukuba et al.
patent: 5203872 (1993-04-01), Naffziger
patent: 5421366 (1995-06-01), Naffziger et al.
patent: 6453667 (2002-09-01), Everingham
patent: 42 04 415 (1993-08-01), None
patent: 197 31 622 (1999-01-01), None
patent: 0 480 787 (1992-04-01), None

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