%0 Patent %A Ioan Sauciuc %A Ravi S Prasher %D 2007 %G eng %T High pressure pump for cooling electronics %U https://patents.google.com/patent/US20070020107A1/en %8 01/2007 %X
A pump includes a shaft, a first electric motor associated with first portion of the shaft, a second electric motor associated with a second portion of the shaft, and a position sensor associated with a third portion of the shaft. A controller commutates the first electric motor and the second electric motor to rotate the shaft and maintain a substantially equal distance between the sensor and the shaft.