A pump including a pressure plate having two inlets and outlets, wherein each inlet has an auxiliary intake port in fluid communication with the inlet, and each outlet has an auxiliary discharge port in fluid communication with the outlet, and a cam/rotor assembly attached to the pressure plate. The cam/rotor assembly includes a rotatable cam having an opening, a rotor within the cam opening, the rotor having multiple radial slots, and multiple vanes that move within the slots, wherein a pumping chamber is defined by a space between rotor and cam. Rotor rotation within the cam causes the vanes to extend and retract within the pumping chamber. The movement of the vanes discharges into the outlets and auxiliary discharge ports a fluid drawn into the pumping chamber via inlets and auxiliary intake ports. The auxiliary inlet and auxiliary discharge ports reduce pressure pulsations in a variable displacement dual-lobe vane pump.
Robert L. Bracken - Rockford IL Anita I. Jacobs - Roscoe IL
Assignee:
Sundstrand Corporation - Rockford IL
International Classification:
F04B 3900
US Classification:
417572
Abstract:
Prior fuel supply conduits for use in applications where fluid flow must diffuse and turn a sharp bend have suffered from reduced two-phase flow capability, cavitation on the walls of the conduit, head loss and unsteady flow patterns. In order to overcome these problems, a fuel supply conduit includes an inlet flow passage member having first and second ends and an inner wall defining a first, diverging passage from the first end to the second end wherein the member directs fuel flow at the first end substantially 180 degrees opposite to an axial direction and directs fuel flow at the second end in a direction transverse to the axial direction. A fuel supply chamber is disposed between the second end of the member and an inducer inlet and allows fuel flow from the member to the inducer inlet wherein the fuel supply chamber includes inner walls defining a second, converging passage from the second end of the member to the inducer inlet.
Apr 2008 to 2000 Rehabilitation Technician/venipunture tech
Education:
York Tecnicical College Rockhill sc 2001 to 2001 certification in Certified Nursing AssistantYork Tecnicical College 2001 to 2001 certification in Certified Nursing Assistant
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Poe Elementary School Detroit MI 1952-1957, Edmonson Elementary School Detroit MI 1957-1959, Jeferson Junior High School Detroit MI 1959-1962, Thomas Jefferson Junior High School Detroit MI 1959-1962
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Belinda Simpson, Linda Draper, Dennis Speakman, James Priester, Linda Bingham