Residential sprinkler arrangement

Details Residential sprinkler arrangement Residential sprinkler arrangement

A - Human Necessities

62

C

A62C 37/08 (2006.01) A62C 37/14 (2006.01) B05B 1/26 (2006.01)

Patent

CA 2348144

In the particular embodiment disclosed in the specification, a sprinkler has a sprinkler body with a passage having an orifice providing a K factor of about 3 to 6 which is normally closed by a cap retained in position by a glass bulb thermally responsive element. A deflector spaced from the orifice and supported from the sprinkler body by a pair of frame arms has a circumferential array of tines separated by radial slot-like openings and two openings located in the plane in the frame arms have a length greater than that of the other slot-like openings while four openings located at 45 ° to the plane of the frame arms are shorter than the other openings. The openings in the plane of the frame arms have a width of about 25% to 75% of the width of the frame arms adjacent to the deflector and a root diameter of about 150% to 300% of the width of the frame arms adjacent to the deflector.

Gicleur doté d'un corps de gicleur traversé par un passage se terminant par un orifice dont le facteur K est de 3 à 6 et qui est normalement obturé par un bouchon maintenu par une ampoule de verre thermosensible. Deux bras rattachés au corps de gicleur supportent un déflecteur à proximité de l'orifice. Le déflecteur comprend un réseau de dents séparées par des fentes radiales. Deux fentes pratiquées dans le plan des bras sont plus longues que les autres, et quatre fentes placées à 45 degrés par rapport au plan des bras sont plus courtes que les autres. La largeur des fentes qui sont dans le même plan que les bras est d'environ 25 % à 75 % de la largeur des bras adjacents au déflecteur et le diamètre des fentes est de 150 % à 300 % de la largeur des bras adjacents au déflecteur.

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