Abstract: A vehicle hydraulic control unit capable of preventing a vane from being pulled into a vane groove when a vane pump driven by an engine stops. The present hydraulic control unit supplies discharge oil in an external pump to a vane back pressure chamber of a vane pump, when an engine stops.
Type:
Application
Filed:
September 23, 2010
Publication date:
July 21, 2011
Applicants:
SHOWA CORPORATION, HONDA MOTOR CO., LTD.
Abstract: The present invention is directed to a pump casing and a centrifugal pump comprising a single piece casing, the casing comprising a first cut-water fluid flow path, a second cut-water fluid flow path, a first joint-water path, a second joint-water path, and an impeller cavity, the first cut-water fluid flow path and the second cut-water fluid flow path communicating with the first joint-water path and the second joint-water path, the pump further comprising an impeller positioned within the cavity, and a suction head overlaying the impeller. The first joint-water path communicates with a first discharge nozzle and the second joint-water path communicates with a second discharge nozzle, the first discharge nozzle and the second discharge nozzle situated substantially at opposing ends of the casing.
Type:
Grant
Filed:
June 16, 2006
Date of Patent:
April 14, 2009
Assignee:
W.S. Darley & Co.
Inventors:
Douglas W. Seitz, Michael C. Ruthy, Wayne Hable