Sprinkler head

Details Sprinkler head Sprinkler head

1995-07-13

1998-03-31

Pike, Andrew C.

Fire extinguishers

Sprinkler heads

169 38, A62C 3714

Patent

active

057327785

ABSTRACT:
A sprinkler head includes a body having a water discharge port formed at the center thereof, a valve for opening and closing the water discharge port of the body, a receiver seat provided in a position opposing the valve, a heat sensitive member disposed between the valve and the receiver seat for supporting the valve, the heat sensitive member being disintegratable when heated, causing the valve to mote away from the water discharge port of the body, and a frame for supporting the receiver seat with respect to the body. To reduce directional dependency of exposure of a hot air stream to the heat sensitive member for an improvement in sensitivity of the heat sensitive member, the frame includes a plurality of y-shaped arms each having at least one draft hole formed therein and a portion inclined with respect to the heat sensitive member.

REFERENCES:
patent: 266142 (1882-10-01), Heath
patent: 3454097 (1969-07-01), Groos
patent: 4343364 (1982-08-01), Glinecke
patent: 4739835 (1988-04-01), Polan et al.
patent: 5513708 (1996-05-01), Sundholm

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