Claims
- 1. A fire suppression system comprising:
system piping; at least one sprinkler mounted to said system piping, said system piping for delivering fire suppressant to said sprinkler, said sprinkler having an outlet and a temperature sensitive trigger, said temperature sensitive trigger opening said outlet for dispersing fire suppressant when sensing temperatures associated with a fire condition; a deluge valve in selective fluid communication with said system piping, said deluge valve having a normally closed condition whereby said system piping is normally dry, and said deluge valve for controlling the flow of suppressant to said system piping and said sprinkler; a fire suppressant delivery line in fluid communication with said deluge valve and delivering fire suppressant to said deluge valve; at least one fire detector adapted to detect temperatures associated with a fire; a control system having a pneumatic actuator and adapted to monitor the pressure in said system piping, said control system in communication with said fire detector, a source of power, said deluge valve, and said system piping, said control system adapted to actuate said deluge valve to open in response to said fire detector detecting a fire and a low pressure condition in said system piping, and said pneumatic actuator adapted to detect a drop in pressure in said system piping and to actuate said deluge valve between said closed condition and an open condition when said pneumatic actuator detects a drop in pressure in said system piping and when said control system experiences a loss of power from said source of power; and a shut-off valve in communication with said deluge valve, said shut-off valve being adapted to latch said deluge valve open once said deluge valve is open until manually shut-off.
- 2. The fire suppression system according to claim 1, wherein said deluge valve includes an inlet chamber, an outlet chamber, a priming chamber, and a clapper assembly, said inlet chamber and said outlet chamber being separated from said priming chamber by said clapper assembly, said deluge valve further including a priming line in fluid communication with said inlet and said priming chamber, said priming line pressuring said priming chamber, and said clapper assembly opening and closing said deluge valve in response to pressure in said priming chamber, and said control system controlling the flow from the priming line to said priming chamber to open said deluge valve.
- 3. The fire suppression system according to claim 2, said priming line including at least one solenoid valve, said control system actuating said solenoid valve to open said deluge valve.
- 4. The fire suppression system according to claim 3, said priming line including a second solenoid valve, one of said first solenoid valve and said second solenoid valve comprising a normally closed solenoid valve and another of said first solenoid valve and said second solenoid valve comprising a normally open solenoid valve to control the flow of fire suppressant through said priming line.
- 5. The fire suppression system according to claim 4, wherein said fire detector has a no-fire condition state and a fire condition state, said fire detector generating a fire condition signal when in said fire condition state.
- 6. The fire suppression system according to claim 5, wherein said control system actuates said normally open solenoid valve to close and said normally closed solenoid valve to open in response to said fire condition signal.
- 7. The fire suppression system according to claim 2, wherein said priming line includes a restricted orifice for controlling the flow of fire suppressant through said priming line.
- 8. The fire suppression system according to claim 2, wherein said priming line includes a check valve for controlling the flow of fire suppressant through said priming line.
- 9. A fire suppression system comprising:
a fire suppressant supply line; system piping; a pressure supervisory system monitoring pressure in said system piping; at least one sprinkler mounted to said system piping, said system piping for delivering fire suppressant to said sprinkler, said sprinkler having an outlet and a temperature sensitive trigger, said temperature sensitive trigger opening said outlet for dispersing fire suppressant when sensing temperatures associated with a fire condition; a control valve in fluid communication with said system piping, said control valve having an inlet chamber, an outlet chamber, and a priming chamber, said inlet chamber and said outlet chamber being separated from said priming chamber by a clapper assembly, said control valve including a priming line in fluid communication with said supply line and said priming chamber, said priming line pressurizing said priming chamber, and said clapper assembly opening and closing said flow control valve in response to pressure in said priming chamber, said priming line being adapted to pressurize said priming chamber whereby said control valve has a normally closed condition; at least one fire detector adapted to detect temperatures associated with a fire, said fire detector having a no-fire condition state and a fire condition state and generating a fire condition signal when in said fire condition state; and a control system in communication with a power source, said fire detector, said pressure supervisory system, and said priming line, said control system being adapted to control the flow of suppressant in said priming line to open said control valve when detecting a fire condition signal and a low pressure state of said system piping, and adapted to open said valve when said power source is in a power loss state in response to a low pressure condition in said system piping.
- 10. The fire suppression system according to claim 10, wherein said control system is adapted to latch said valve open when said valve opens requiring manual closing of said valve.
- 11. The fire suppression system according to claim 10, said control system including a shut-off valve to latch said control valve open when said control valve opens.
- 12. The fire suppression system according to claim 9, said control valve comprises a deluge valve.
- 13. The fire suppression system according to claim 9, said priming line including at least one solenoid valve, said control system actuating said solenoid valve to open said control valve.
- 14. The fire suppression system according to claim 13, said priming line including a second solenoid valve, one of said first solenoid valve and said second solenoid valve comprising a normally closed solenoid valve and another of said first solenoid valve and said second solenoid valve comprising a normally open solenoid valve to control the flow of fire suppressant through said priming line.
- 15. The fire suppression system according to claim 9, wherein said control system actuates said normally open solenoid valve to close and said normally closed solenoid valve to open in response to said fire condition signal and said low pressure condition.
- 16. The fire suppression system according to claim 9, wherein said priming line includes a restricted orifice for controlling the flow of fire suppressant through said priming line.
- 17. The fire suppression system according to claim 16, wherein said priming line includes a check valve for controlling the flow of fire suppressant through said priming line.
- 18. A method of controlling the flow of fire suppressant through a fire suppression system to system piping, said method comprising the steps of:
providing a valve; coupling the valve to a fire suppressant supply and to system piping, the valve having a normally closed condition; detecting a low pressure condition in the system piping; detecting a fire condition; actuating the valve to open when a fire condition is detected and a low pressure condition is detected in the system piping; and latching the valve open when the valve opens.
- 19. The method according to claim 18, wherein said detecting a fire condition includes:
providing a fire detector, the fire detector adapted to detect temperatures associated with a fire, and the fire detector having a normally open state when in a no-fire condition state and a closed state when in a fire condition state; and detecting said fire condition state in said fire detector.
- 20. The method according to claim 18, wherein said detecting a low pressure condition in the system piping includes:
pressuring said system piping to a predetermined pressure, and detecting a drop in said predetermined pressure in said system piping.
- 21. The method according to claim 20, wherein the priming line includes a first solenoid valve, said solenoid valve diverting fire suppressant from said priming line and said priming chamber when in an open condition, said control system actuating said solenoid valve to open to open the control valve.
- 22. A fire suppression system comprising:
system piping; at least one sprinkler mounted to said system piping, said system piping for delivering fire suppressant to said sprinkler, said sprinkler having an outlet and a temperature sensitive trigger, said temperature sensitive trigger opening said outlet for dispersing fire suppressant when sensing temperatures associated with a fire condition; a deluge valve in selective fluid communication with said system piping and having a normally closed condition whereby said system piping is normally dry, said deluge valve for controlling the flow of suppressant to said system piping and said sprinkler; and a control system in communication with at least one source of power, said control system opening said deluge valve in a fire condition when said power source is in a powered condition and opening said deluge valve in a loss of pressure condition when said power source is in a loss of power condition.
- 23. The fire suppression system according to claim 22, further comprising at least one fire detector adapted to detect temperatures associated with a fire, said fire detector having a no-fire condition state and a fire condition state and generating a fire condition signal when in said fire condition state, and said control system in communication with said fire detector and adapted to detect a pressure drop in said system piping, and said control system being adapted to open said deluge valve when detecting a fire condition signal and a low pressure state of said system piping, and adapted to open said valve when said power source is in a loss of power condition in response to a low pressure condition in said system piping.
- 24. The fire suppression system according to claim 22, wherein said control system is adapted to latch said valve open when said valve opens requiring manual closing of said valve.
Parent Case Info
[0001] This application claims priority from U.S. provisional application Ser. No. 60/381,315, filed May 17, 2002, entitled FIRE PROTECTION SYSTEM, by Eldon D. Jackson, the entire disclosure of which is incorporated herein by reference in its entirety.
Provisional Applications (1)
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Number |
Date |
Country |
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60381315 |
May 2002 |
US |