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Match Document Document Title
7584802 Low pressure, extended coverage, fire protection sprinkler  
A low pressure, extended coverage, fire protection sprinkler, e.g., of the upright type, suitable for use in protection of at least extra hazard and high piled storage occupancies, in accordance...
7559376 Dry sprinkler with a diverter seal assembly  
A dry sprinkler is provided that includes a structure, a fluid deflecting structure, a locator, a metallic annulus and a shield. The structure defines a passageway extending along a longitudinal...
7543653 Diaphragm latch valve  
A valve for fire suppression sprinkler systems is disclosed. The valve has a chamber with an inlet and an outlet. A closure member, positioned within the chamber, is movable to close and open the...
7530402 Water column supervisory switch  
A water column supervisory switch having a probe arrangement and probe circuitry for detecting the presence of a conductive medium that has reached a predetermined level above a clapper valve...
7516800 Dry sprinkler  
A dry sprinkler for a fire protection system. The preferred dry sprinkler has a metallic disc annulus positionable within a passageway to skew a central axis of a face of the metallic disc annulus...
7426784 Compact fire sprinkler attachment insert  
The invention satisfies this need. The invention is an internally threaded insert for use with a polymetric pipe fitting in a fire sprinkler system. The insert comprises an outer side surface, an...
7322423 Dry pipe valve for fire protection sprinkler system  
A fire protection system comprises a supply pipe having a first fluid pressurized to a first pressure and a network of pipes having a plurality of sprinklers. The network of pipes have a second...
7314093 Fast response sprinkler assembly for a fire extinguishing system  
A fast response residential sprinkler assembly includes a sprinkler body having a base and a frame extending from the base. The base has a passage extending therethrough defining an inlet and an...
7240740 Diaphragm valve with pivoting closure member  
A valve is disclosed having an inlet duct aligned with an outlet duct and an angularly oriented elliptical seat positioned between them. A pressure chamber faces the seat. A pivoting valve closure...
7213319 Method of installing a dry sprinkler installation  
A dry sprinkler installation and sealing device for a cold environment is disclosed. The dry sprinkler installation includes a supply conduit having a first end adapted to communicate with a fire...
7147002 Modular multi-function fluid flow control device  
A multi-function fluid flow control device is disclosed. A body houses a filter screen, a check valve and an orifice plate mounted on a frame which is removable from the body as a unit through an...
7104333 Dry pipe valve for fire protection sprinkler system  
A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water...
7055612 Fire protection system  
A fire suppression system includes system piping and at least one sprinkler with the system piping for delivering fire suppressant to the sprinkler. The sprinkler has an outlet and a temperature...
6960321 Sterilization of fire sprinkler systems  
New and in-use fire sprinkler systems can be sterilized by employing antimicrobial gases. The gases include steam, oxygen, and chlorine. Water added to the system after sterilization can be...
6860331 Single-piece manifold  
A single-piece manifold for use with a residential or other building sprinkler system is disclosed which comprises a body having an inlet in communication with a water supply and an outlet that...
6851482 Sprinkler assembly  
A sprinkler assembly for controlling a fire situation includes at least one fluid conduit defining a flow passage including an inlet for receiving a fluid from a fluid source and at least one...
6848513 Fire protection valve trim assembly system  
A trim assembly for a fire protection system valve includes a mounting member and a piping assembly supported by the mounting member. The piping assembly includes a priming line with an inlet for...
6752217 Dry accelerator for sprinkler system  
An accelerator for venting a pressurized gas source to the ambient is disclosed. The accelerator includes a first gas compartment connected to the pressurized gas source. A second gas compartment...
6732808 Fire-extinguishing device  
This invention relates to a fire extinguishing device, with at least one supply line ( 4 ) that is dry with the device in an idle state, through which at least one extinguishing nozzle ( 1 ) is...
6715561 Vacuum dry sprinkler system containing a sprinkler head with expulsion assembly  
A vacuum dry sprinkler system includes a sprinkler head formed with a body having a central orifice through which fire extinguishing fluid is expelled through an outlet end. A yoke, attached to the...
6708771 Low pressure electro-pneumatic and gate actuator  
An electro-pneumatic actuator having AND gate logic characteristics is disclosed. The actuator has three chambers each divided into two chamber portions by respective flexible diaphragms. One of...
6666277 Low pressure pneumatic and gate actuator  
A pneumatic actuator having AND gate logic characteristics is disclosed. The actuator has three chambers each divided into two chamber portions by respective flexible diaphragms. One of the...
6540028 Automatic condensate drain device  
A pressure operated normally closed control valve operates to open at a predetermined pressure between the system minimum and maximum pressures to open the valve and allow the discharge of...
6536533 Low pressure actuator for dry sprinkler system  
Embodiments of a low-pressure actuator, for use in a dry, low-pressure, pressurized gas, liquid fire control and suppression sprinkler system, with a pneumatic/electric double interlock mechanism,...
6491109 Kinetic antifreeze device  
A kinetic antifreeze device for preventing a dry sprinkler system from freezing is disclosed. The kinetic antifreeze device contains a longitudinal pipe for guiding air and water flow connected to...
6443173 Automatic drain for a fire protection sprinkler system  
An automatic auxiliary condensate drain for an automatic dry-pipe type fire protection sprinkler system, wherein condensation which forms within the sprinkler system due to changes in temperature...
6357531 Virtual accelerator for detecting an alarm condition within a pressurized gas sprinkler system and method thereof  
The virtual accelerator is for detecting an alarm condition within a pressurized gas sprinkler system. It has a pressure monitor for monitoring pressure within the pressurized gas sprinkler system,...
6209654 Deluge fire sprinkler system  
A deluge fire sprinkler system for suppressing fires occurring in an air environment, the air having an atmospheric pressure, the deluge fire sprinkler system including a network of water pipes...
6158520 Check valve actuator with adjustable seat for air chamber seal  
An actuator is provided for a check valve, having particular utility in a dry fire control system. The check valve is responsive to a drop in the system air pressure occasioned by opening of one or...
6109361 Exterior fire protection system for buildings  
A fire protection system for the exterior of a building that provides protection from fires by sprinkling the exterior of the building with water. The fire protection system includes a number of...
6102066 Condensate drain for an automatic sprinkler system of the dry-pipe type  
A condensate drain for an automatc sprinkler system of the dry-pipe type wherein the drain includes a one piece reservoir having a central chamber and tapering inlet and outlet chambers.
6068057 Dry pipe valve system  
In the dry pipe sprinkler valve arrangement disclosed in the specification, a dry pipe sprinkler line is normally supplied with air at a pressure in a range from about 5 psi to about 20 psi and is...
6029749 Actuator for check valve  
An actuator is provided for a check valve, having particular utility in a dry fire control system. The check valve is responsive to a drop in the system air pressure occasioned by opening of one or...
6000473 Low differential check valve for sprinkler systems  
A low differential check valve is provided for a fire control system, having particular adaptability in a dry system. The check valve is maintained in its closed position by a latch which is...
5992532 Wet pipe fire protection system  
The fire suppression system includes a system piping, with at least one sprinkler, a flow control valve, a fire suppressant delivery line in fluid communication with the flow control valve, at...
5979565 Emergency ventilation system for biological/chemical contamination  
A dual-emergency response system includes a common supply line that selectively conveys a fire extinguishing fluid to extinguish a fire and conveys life-sustaining air to displace air contaminated...
5971080 Quick response dry pipe sprinkler system  
A gas charged fluid flow line of a dry pipe sprinkler system is continuously monitored to detect rate of loss of pressure (dp/dt). The rate of pressure loss is used to detect whether there is an...
5927406 Fire protection installation involving a normally dry network of sprinklers  
A fire protection installation of the type comprising a normally dry network of sprinklers is, whenever the dry network of sprinklers is put to atmospheric pressure due to said network of...
5720351 Fire protection preaction and deluge control arrangements  
In the embodiments described in the specification, a deluge and preaction control system supplies water to a sprinkler line through a solenoid control valve which may be actuated by a control panel...
5667018 Fire control foam distribution system for use in distributing foam beneath a passenger boarding bridge  
A fire control foam distribution system wherein foam is distributed to the area below a passenger boarding bridge includes a telescoping pipe system to get the foam to delivery manifolds at...
5564505 Sprinkler mounted to pivotable conduit  
The installation comprises at least one hose connected by a turning joint to a conduit for distributing an extinguishing fluid. The hose can pivot from a vertical monitoring position to a...
5511621 Local flooding fine water spray fire suppression system using recirculation principles  
In a fire extinguishment system, aspiration type fine water spray nozzles are distributed under the ceiling of a structure to be protected. The nozzles contain venturi housings to draw combustion...
5236049 Fire emergency, sprinkling control system and method thereof  
There is described an electronic fire reporting and sprinkling control module to be connected to a control bus of a fire alarm system, and to a flow control valve which controls flow of...
5228520 Sprinkler system for refrigerated spaces  
The invention concerns a sprinkler system for refrigerated spaces and sets the task of assuring a longer minimum-time functional capacity for such devices after they have been switched to the...
5117916 Sprinkler head and operation monitor therefor  
A sprinkler head of the present invention comprises a cover plate which is operated to fall down at a temperature lower than the operating temperature of the sprinkler head body and a switching...
5099925 Dry sprinkler system  
A dry sprinkler system includes a compressed gas pilot operated water valve between a water supply main and a dry sprinkler pipe, the valve being normally open and held closed upon activation of...
5027905 Fire sprinkler control apparatus  
A fire sprinkler control apparatus which is adapted for connection between a network of connecting fluid flow lines which terminate in sprinkler heads and a water supply. The apparatus consists of...
4872513 Chimney fire extinguisher  
A chimney fire extinguisher includes a small diameter narrow conduit removably insertable through a small aperture in a chimney wall. A source of fire extinguishate under pressure is coupled to one...
4830116 Fire extinguishing system  
An automatic fire extinguishing system for ranges having top burners, including a hood, mountable over the range, tanks containing fire extinguishing fluids remotely located from the hood, solenoid...
4648460 Fire protection system  
A fire protection system comprises a fire extinguisher, pneumatically operable actuator on the fire extinguisher for triggering the extinguisher, an elongate tube containing a temperature...
Matches 1 - 50 out of 78 1 2 >