Title:
UPRIGHT FIRE PROTECTION NOZZLE
Document Type and Number:
WIPO Patent Application WO2002000302
Kind Code:
A3
Abstract:
An upright-type fire protection water spray mist nozzle has a base defining an orifice through which fire-retardant fluid can flow, an inlet section having an upstream end and defining a conduit for flow of fire-retardant fluid along a orifice axis and leading to an upstream end of the orifice, with a diffuser element defining an impingement surface that is at least substantially imperforate in an axial direction and positioned for impingement by a stream of fire-retardant fluid flowing from the orifice in a stream direction along the orifice axis, the diffuser element being positioned generally above a horizontal plane through a downstream end of the orifice.
Inventors:
FISCHER MICHAEL A (US)
LEBLANC DAVID J (US)
LEBLANC DAVID J (US)
Application Number:
PCT/US2001/041132
Publication Date:
April 11, 2002
Filing Date:
June 25, 2001
Export Citation:
Assignee:
GRINNELL CORP (US)
FISCHER MICHAEL A (US)
LEBLANC DAVID J (US)
FISCHER MICHAEL A (US)
LEBLANC DAVID J (US)
International Classes:
A62C31/02; A62C37/14; (IPC1-7): A62C31/02; A62C37/10; B05B1/26
Foreign References:
| FR2765112A1 | 1998-12-31 | |||
| US4569485A | 1986-02-11 | |||
| US2862565A | 1958-12-02 | |||
| EP0868928A2 | 1998-10-07 | |||
| US4405018A | 1983-09-20 |
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