Fire-extinguisher nozzle

Details Fire-extinguisher nozzle Fire-extinguisher nozzle

Category

A - Human Necessities

Subcategory

62

Subsubcategory

C

IPC codes

A62C 13/76 (2006.01) B67D 7/08 (2010.01) A62C 31/02 (2006.01)

Type

Patent

Patent number

CA 2288037

Description

A nozzle includes a housing defining a fluid passage (26). A member (14) is positioned to block the fluid passage when the nozzle is not spraying fluid. A retainer (16) attached to the housing retains the member in the closed position. The surface of the housing has one or more marks (48). The number of marks indicates the spray profile produced by the nozzle. The member is disposed within the fluid passage and bursts under the flow of fluid.

L'invention concerne un bec qui comprend une enveloppe définissant un passage (26) de fluide. Un élément (14) est disposé de manière à obstruer le passage de fluide lorsque le bec ne pulvérise pas de fluide. Un dispositif de retenue (16) fixé à l'enveloppe retient l'élément en position fermée. La surface de l'enveloppe présente une ou plusieurs marques (48). Le nombre de marques indique le type de pulvérisation produit par le bec. L'élément d'obstruction est disposé dans le passage de fluide et éclate sous l'effet de l'écoulement du fluide.

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