Patent ID: 6360728
Filing Date: 2002-03-26
Classification: F01L,F02M

Abstract:
A fluid control system for an internal combustion engine which contains a first hydraulically controlled device and a second hydraulically controlled device, comprising:a pump that pumps a fluid from an outlet port; a pressurized rail line coupled to said outlet port of said pump; a drain line; and, a first valve assembly that is connected to said pressurized rail line, said drain line, and the first hydraulically controlled device, said first valve assembly can be switched into either a first, second, or third mode, wherein the first hydraulically controlled device is coupled to said pressurized rail line when said first valve assembly is in the first mode, and coupled to said drain line when said first valve assembly is in the second mode, said pressurized rail line is coupled to said drain line when said first valve assembly is in the third mode.