G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 23/22 (2006.01) F04D 15/02 (2006.01) G01F 23/24 (2006.01) G01F 25/00 (2006.01) G05D 9/12 (2006.01)
Patent
CA 2124907
An alarm system for sounding an audible warning whenever the water level within a sump pump enclosure exceeds the level which normally actuates the sump pump. The alarm system comprises an open electrical circuit including a battery, a battery-powered audible warning device and an elongate probe having closely-spaced contact members adjacent the tip thereof. The tip is suspended in the pump enclosure, above the pump-actuation level, and the warning device is activated whenever the water level rises above the pump-actuation level and immerses the contact members.
Janesky Lawrence M.
Smart & Biggar
LandOfFree
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