Patent ID: 8347917
Filing Date: 2013-01-08
Classification: F16K,F25B,Y10T

Abstract:
1. A four-way valve comprising: a cylindrical housing having a member with a substantially circular cross-section and an annular wall, ends transverse to said member and closing said cylindrical housing, said member and said ends, together, defining a valve chamber inside said cylindrical housing; a valve seat integrated into and part of said annular wall of said cylindrical housing, with a thickness and shape substantially the same as said annular wall of said cylindrical housing, so that part of an inner surface of said valve seat is arcuate and is a bearing surface of said valve seat; a first channel for acting as an outlet channel of a first fluid and a second channel for acting as an outlet channel of a second fluid, respectively, said first and second channels including openings adjacent to each other on said bearing surface of said valve seat, passing through and being surrounded by said valve seat, and extending outside of said valve chamber; and a valve element that is movable on said bearing surface of said valve seat, wherein