Patent ID: 6868864

Claim:
A water flow control valve for a vehicle heating system comprising: a housing unit ( 1 ) having a compartment ( 2 ), having an open end and a fluid inlet and a fluid outlet, a flow controlling rotor ( 25 ) housed in the compartment ( 2 ), an adjacent cavity connected to the compartment ( 2 ) the adjacent cavity having a fluid inlet and a fluid outlet, the compartment ( 2 ) having a removable cover mated thereto, the cover having a middle concentric wall for centering the rotor for rotation and an intermediate wall spaced away from an edge of the cover for fitting to the compartment open end, sealing means for sealing the cover to the compartment, the cover having hub means for attaching to the housing unit, the adjacent cavity having a removable cover sealing engaged to the housing unit for covering the open end thereof, the compartment having a guide cavity in a surface thereof for guiding rotation of the rotor therein, and means for displacing the rotor from a first position when flow travels from the compartment inlet to the compartment outlet and a second position where the flow travels from the compartment inlet to the bypass channel to the adjacent cavity outlet.