G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 23/30 (2006.01) F04B 53/04 (2006.01) G01F 23/68 (2006.01)
Patent
CA 2261515
The alarm mechanism of the invention signals the absence of a liquid from a source of aqueous liquid. The alarm mechanism comprises an alarm body having an inlet port and an outlet port; the inlet port in liquid communication with a source of liquid, the outlet port in liquid communication with a use locus. The alarm mechanism additionally comprises a float chamber placed in liquid parallel communication with the inlet port and the outlet port. The float chamber containing a float operably connected to an alarm. The float, when a chamber is filled with fluid, disables the switch from generating a signal. The float, as the chamber is emptied of liquid, reaches a position and is detected energizing the switch to send a "low or empty product" signal. The apparatus operates by passing liquid through the body. As liquid in the source of liquid is depleted and is no longer available for passage through the body, the body becomes emptied of liquid as the source of pressure removes liquid from the body and particularly from the chamber causing the float to reach a position generating a signal.
Decker James D.
Furber John
Keppers Roger W.
Monsrud Lee J.
Toetchinger Mark
Ecolab Inc.
Goudreau Gage Dubuc
LandOfFree
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