Fan hub integrated vacuum pump system

摘要

An integrated fan and pump drive system.

主权项

1. An integrated fan hub and pump system including;
a pump body having a pump chamber therein, the pump chamber having a first perimeter; a pulley having a second perimeter and an axis of rotation; and an engine housing having a front cover bore therein; the front cover bore sized and positioned to receive the pump chamber therein, the front cover bore having a third perimeter; the second perimeter of the pulley and the third perimeter of the front cover bore partially overlapping when viewed along the axis of rotation to define an overlap portion that both the second and third perimeters have in common and a non-overlapping portion where the second perimeter of the pulley extends beyond the third perimeter of the front cover bore; the third perimeter of the front cover bore having a third perimeter center point positioned a spaced transverse distance from the axis of rotation.