Valve structure for burners of domestic gas stoves

Details Valve structure for burners of domestic gas stoves Valve structure for burners of domestic gas stoves

F - Mech Eng,Light,Heat,Weapons

23

N

F23N 1/00 (2006.01)

Patent

CA 2279926

Valve structure for burners of domestic gas stoves produced with aluminium alloys or aluminium of injection grade by pressure injection with final forging, comprising a valve body and a cover which has registration members to provide a self-positioning and assembly of the main components of the valve in order to eliminate all possibilities of radial and axial misalignment of said components and providing at the same time a gas tightness, a valve plug provided with passages co-operating with a cover cam provided with three steps intended to the safe and secure switching of the continuous gas flow from maximum flow positions to a minimum flow position, as well as a secure off position in a single operation, and a minimum flow control device intended to control the gas flow so that the burners can operate with a wide variety of fuel gas.

L'invention concerne une structure de soupape pour brûleurs de poêles domestiques à gaz qui peut être produite par des alliages d'aluminium ou d'aluminium de qualité d'injection au moyen de processus d'injection à pression avec forge finale. Cette structure comprend un corps de soupape et un couvercle présentant des éléments de registre qui assurent un autopositionnement et un assemblage des principaux composants de la soupape. Ainsi, on empêche le désalignement radial et axial des composants et on assure une étanchéité au gaz. La structure comprend en outre un couvercle de soupape qui présente des passages en coopération avec une came de couvercle présentant trois échelons permettant de basculer en une seule opération et de manière sûre entre des positions de flamme maximum et de flamme minimum et une position d'arrêt. La structure comprend aussi un dispositif de commande de flux minimum qui permet la régulation du flux afin que les brûleurs fonctionnent avec un vaste éventail de gaz combustibles.

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