Patent ID: 6250894
Filing Date: 2001-06-26
Classification: F02C,F04D,Y10T

Abstract:
A load sharing valve system, including an outlet, for operating a first pump in parallel with a second pump to provide a flow of fluid comprising:a first input in fluid communication with said first pump;a second input in fluid communication with said second pump;a second spool;a first spool disposed within said second spool wherein said second spool and said first spool are positioned in response to said flow and operation of said first and said second pumps;a first end of said second spool defining a second pump window having an area disposed between said second input and said outlet;a cavity disposed within said second spool;a first metering window having a first area for providing fluid communication between said first input and said cavity;a second metering window having a second area for providing fluid communication between said cavity and the outlet;a second end of said second spool; and,a second positioning means, located at said second end for positioning said second spool for determining said area of said second pump window and said first area of said first metering window.