Patent ID: 9599112
Date: 2017-03-21
CPC Classifications: F01P,F04D

Claim:
1. A switchable automotive coolant pump comprising: a rotor shaft configured to rotate; a pulley wheel configured to be fixedly supported by the rotor shaft; a shaft sealing configured to separate a dry pump section from a wet pump section with respect to the rotor shaft; a pump wheel configured to be supported in the wet pump section by the rotor shaft and to be axially slidable between a pumping position and a non-pumping position; an actuator arranged in the dry pump section; a linear actuator rod arranged in parallel to and eccentrically with respect to the rotor shaft, the linear actuator rod comprising a wet section and a dry section; a rod sealing configured to be actuated by the actuator and to separate the wet section from the dry section of the linear actuator rod; and a shift ring arranged so as to be axially shiftable and rotatably fixed at the rotor shaft in the wet pump section, the shift ring being configured to be moved axially by the actuator rod and to axially move the pump wheel.