Patent ID: 6491494
Filing Date: 2002-12-10
Classification: F01P,F04D

Abstract:
An operationally independent water pump for circulating coolant in a high performance engine having coolant passages, the water pump comprising:an impeller having a face portion with a plurality of blades protruding perpendicular of the first side of the face portion and having a boss with threads, the boss protruding from the face member on the opposite side; a shaft having a threaded end for mating with a threaded portion of the impeller; an electric motor in a motor housing and operatively connected to the shaft to cause rotation thereof; an impeller housing and coolant reservoir coupled with the motor housing for containing the impeller and coolant; an inlet in the impeller housing and coolant reservoir forming a first channel for receiving coolant from the coolant passages; and an outlet in the coolant reservoir forming a second channel for sending coolant to the coolant passages.