Pressure controller for fire protection system maintained under vacuum, and related method

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United States of America Patent

PATENT NO 9987509
SERIAL NO

15656309

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Abstract

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The invention is directed to a pressure controller and a method for monitoring and controlling the pressure level in a fire protection piping network maintained under vacuum pressure and for detecting a positive pressure variation in the network. The rate of pressure increase is used to detect the opening of a sprinkler head in the sprinkler piping network.

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Patent Owner(s)

Patent OwnerAddress
SYSTEMES FIREFLEX INC770 CURE BOIVIN BOISBRIAND (QUEBEC) J7G 2A7

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asselin, Jean-Pierre Blainville, CA 3 68
Coupal, Sylvain St-Jérôme, CA 3 51
Lachance, Frédéric Lachenaie, CA 1 2
Roger, Jonathan Terrebonne, CA 1 2

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