Patent ID: 7527068
Filing Date: 2009-05-05
Classification: F01D,F02C,F02M,F05D,F16K,Y10T

Abstract:
1. A valve, comprising: an annular jacket sleeve having at least one open end and defining coolant supply and return ports; a valve body disposed within the jacket sleeve and defining a flow passage and a valve chamber in which is disposed a valve member extending along a valve axis and operable to control flow of media through the flow passage; and a coolant passage in communication with the coolant supply and return ports and isolated from the flow passage, the coolant passage being formed by a helical groove at a peripheral surface of one of the jacket sleeve and the valve body, the valve body and the jacket sleeve otherwise engaging one another along the coolant passage such that coolant swirls within the coolant passage in a helical path about the valve axis to receive and carry away heat from within the valve body.