Patent ID: 11934208
Assignee: TYCO FIRE PRODUCTS LP
Field: Control (Instruments)
Classification: CPC G  A | IPC A  G

Claim 0:
1. A fire suppression system, the system comprising:
a water supply;
a foam concentrate supply;
a venturi-principle foam proportioner fluidly coupled to each of the water supply and the foam concentrate supply, the venturi-principle foam proportioner configured to proportion a concentration of water and a concentration of foam concentrate within a chamber to form a water and foam solution flowing from an outlet of the venturi-principle foam proportioner; and
a variable foam concentrate orifice fluidly coupling the foam concentrate supply to the chamber, the variable foam concentrate orifice comprising an actuator configured to adjust an orifice area of the variable foam concentrate orifice based on a temperature associated with the foam concentrate.