B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
222/7.2
B67D 7/74 (2010.01) B67D 1/10 (2006.01) B67D 1/12 (2006.01) F04B 49/02 (2006.01) F04B 49/08 (2006.01)
Patent
CA 1216556
ABSTRACT OF THE DISCLOSURE A control device associated with a pneumatically-driven demand pump comprising a valve system which shuts off the gas which drives the pneumatic pump in response to a pressure-sensitive diaphragm which detects variations in pressure in the fluid output from the pump. The pressure- sensitive diaphragm serves the dual function of suppressing surges of liquid flow from the pump and stopping the pump when the liquid pressure drops below a predetermined minimum by closing a valve to shut off the gas.
437360
Coca-Cola Company (the)
Sim & Mcburney
LandOfFree
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