Patent ID: 7311266
Filing Date: 2007-12-25
Classification: F25C,Y10T

Abstract:
1. A freeze proof water valve for supplying secondary water under pressure to a snow making apparatus having primary water spray nozzles and at least one secondary water spray nozzle in freezing ambient conditions, comprising: a valve housing having an interior primary water chamber with a water inlet and a primary water outlet for passage of primary water under pressure therethrough for delivery to said primary water spray nozzles; a first secondary water outlet in said valve housing for delivery of secondary water under pressure to said at least one first secondary water spray nozzle, and a water drain outlet in said valve housing; a first valve body mounted in said housing within said primary water chamber for flow of water therearound from said housing inlet to said primary outlet to prevent freezing of said valve body, said valve body moveable between an on position and an off position whereby water from said primary chamber is directed to said first secondary outlet in said on position, and water in said primary chamber is shut off from said first secondary outlet and water in said first secondary outlet is directed to said water drain outlet for discharge when in said off position.