Patent ID: 7850253
Filing Date: 2010-12-14
Classification: B60T,Y10S

Abstract:
1. A hydraulic pump unit for a brake system comprising: a housing assembly mountable to a vehicle as a unit, the housing assembly including first and second housing members; an axial piston pump supported within the first housing member and connectable to a motor, the pump having an inlet and an outlet connectable to a pressure line of the brake system for supplying pressurized fluid thereto; and a hydraulic fluid reservoir within the housing assembly for supplying hydraulic fluid to the inlet of the hydraulic pump; wherein the housing assembly includes an inlet passageway connecting the reservoir to the pump inlet and a fill opening for filling the reservoir with hydraulic fluid; and wherein the first housing member and the second housing member are attachable to each other in a plurality of relatively rotated orientations such that, depending on the orientation of the unit when mounted to a vehicle, at least one of: (a) the inlet passageway is positioned toward the bottom of the reservoir; and (b) the fill opening opens in a generally upward direction.