F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/129
F16K 11/02 (2006.01) E03C 1/04 (2006.01) F16K 11/048 (2006.01)
Patent
CA 1260357
ABSTRACT OF THE DISCLOSURE A small, reliable diverter valve that maintains a relatively constant flow through a spray nozzle in spite of water supply pressure fluctuations and that positively terminates flow from the faucet spout during hand spray operation. A variable elasticity cup seal keeps constant area passageway to the spray nozzle in spite of water supply fluctuations. A noramlly open path, moreover, enables air to flow from the spout into the water supply system in conditions of negative supply pressure and thereby assists the cup seal in preventing backflow from the spray nozzle into the fresh water supply.
495243
Parkison Richard G.
Phillips George E.
As Canada Ulc
Ridout & Maybee Llp
LandOfFree
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