F - Mech Eng,Light,Heat,Weapons – 01 – P
Patent
F - Mech Eng,Light,Heat,Weapons
01
P
F01P 5/10 (2006.01) F01P 7/16 (2006.01) F04D 15/00 (2006.01) F04D 29/46 (2006.01)
Patent
CA 2748538
An impeller pump with thermostatically adjustable swirl-vanes, in use as an automotive engine-driven coolant pump. Flow variation is controlled by varying the orientation of the swirl-vanes. A change in orientation is effected by the thermal driver, e.g a wax-type thermostat, which senses coolant temperature. The swirl-vanes boost the flowrate when the coolant is hot, and decrease it when the coolant cools. The swirl-vanes are mounted for pivoting, and are located just upstream from the pump impeller. The traditional engine-thermostat function is provided inside the pumping-chamber, in that the swirl-vanes can be operated to close off a port to the engine radiator. The thermal driver opens the radiator-port as the coolant goes from Cold to Warm; as the coolant goes from Warm to Hot, the thermal driver operates the swirl-vanes from flow-reduced to flow-boost.
Fulton John Robert Lewis
Repple Walter Otto
Asquith Anthony
Flowork Systems II Llc
LandOfFree
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