Pump element for a hydraulic control unit

• Main Authors: FRUEHLING, TERRY L, ALTHERR, JEFFERY S, BORGEMENKE, DANIEL N, REUTER, DAVID F, NEWTON, JERRY L
• Format: Patent
• Language: English; French; German
• Published: 13.07.2011
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BLASTING; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL; WEAPONS

A pump element for a hydraulic control unit comprising: a motor (101) including a drive shaft (110) and a seat (350), wherein said seat (350) provides a hub (355) defining a cylindrical peripheral wall (357) having a central longitudinal axis that is rotated out of alignment with the axis of rotation (A) of said seat (350); a hydraulic block (150) secured to said motor (101) and providing a pump cavity (175) having a motor-facing opening; a ball bearing assembly (360) mounted on said hub (355) of said seat (350), wherein said ball bearing assembly (360) is mounted at an oblique angle with respect to the axis of rotation (A) of said seat (350) and a radially disposed portion (380) of said ball bearing assembly (360) is positioned in alignment with said motor-facing opening; and a pumping assembly (176) received in said pump cavity (175), wherein said pumping assembly (176) generally and reciprocally bears against said radially disposed portion (380) of said ball bearing assembly (360).