Three way butterfly valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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137/127, 251/27

F16K 1/22 (2006.01) B60H 1/00 (2006.01) F01P 7/16 (2006.01) G05D 23/185 (2006.01)

Patent

CA 1143629

Abstract A motor means controlled three way butterfly valve is disclosed for regulating the flow of liquids, as in internal combustion engine cooling system and passenger compartment heating and air conditioning systems. The valve plate includes two flat parallel surfaces which engage two corresponding flat parallel surfaces formed on the cylindrical passage in the valve body to reduce valve plate binding or sticking against the inner surface of the flow passage when the valve is rotated.

365184

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