Patent ID: 6293242
Filing Date: 2001-09-25
Classification: F01L

Abstract:
A rotary valve assembly comprising:a generally elongated valve body having first and second ends, a longitudinally extending axis of rotation, and an outer wall;said valve body being formed from a separate intake housing and exhaust housing which are fitted together;an intake port and a radially spaced exhaust port defined by said outer wall of said valve body;an intake passage extending between said first end of said valve body and said intake port;an exhaust passage extending between said exhaust port and said second end of said valve body;said intake passage including an intake tube connecting said intake housing with said intake port and said exhaust passage including an outlet tube connected to said exhaust port, said intake tube and said exhaust tube defining a space therebetween; andsaid exhaust tube having an inner tube connected to said exhaust port and extending through and being radially spaced from said outer wall of said exhaust housing.