Sekundaerluftsteuer- und -rueckschlagventil

Non-return air flow control valve for catalytic converter - has disc valve stage with coupled diaphragm actuator

Abstract

The air flow control valve inlet is fed by a pump and the outlet (38) introduces additional air flow into the catalyser during start-up when the engine is cold. The valve action is provided in valve seat (86) sealed off by flexible ring (110) that can open when a valve disc (122) is clear of the surface. The disc is mounted on a spindle coupled to a diaphragm that closes when the pump is stopped. USE - Supply to catalyser for i.c. engine of motor vehicle.

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    DE-10001863-B4August 11, 2011Honda Giken Kogyo K.K.Motorrad mit einem Abgassekundärluftventil
    DE-20109053-U1October 10, 2002Reich Kg Regel & SicherheitsVentilvorrichtung und Verteilervorrichtung