Patent ID: 7007591
Filing Date: 2006-03-07
Classification: A47J,Y10T

Abstract:
1. A steam valve for a coffee maker comprising a steam valve secured in a steam chamber, said steam chamber comprising a water inlet, a heater, an outlet and a filter, wherein said water inlet guiding water into said steam chamber, and said heater vaporizing water, said steam valve being secured in said outlet and said filter, the improvements comprising said steam valve having a valve, a valve seat, a valve block, a spring, a steam tube and a cap, wherein said valve comprising a plate on a top, a plunge underneath said plate, and a stem extending downward from said plunge; said valve seat having an axial through hole, an inner diameter of said axial through hole being slightly larger than an outer diameter of said plunge but smaller than an outer diameter of said plate of said valve, said valve seat comprising a plurality of notches on a top end, said notches being interconnected with said axial through hole, and said axial through hole providing a conical hole at a lower portion with female threads underneath said conical hole; said valve block comprising an axial through hole adapted to receive said stem of said valve therein, a top portion of said valve block being in conical shape corresponding to said conical hole of said valve seat and engaging with an upper portion of said conical hole, said valve block further comprising a post extending downward from said conical shape; said spring having an upper portion sleeved onto said post of said valve block; said steam tube comprising an axial through hole with a large hole at a top portion to receive a lower portion of said spring therein, a transverse through hole being formed at a lower portion of said steam tube and interconnected with said axial through hole, both an upper end and an lower end of said steam tube comprising male threads; said cap comprising female threads at upper inwards; whereas said valve block being placed in said conical hole of said valve seat, said plunge of said valve being inserted into said axial through hole of said valve seat and said stem being inserted into said axial through hole of said valve block, said post of said valve block is inserted into said upper portion of said spring, said lower portion of said spring being seated in said upper portion of said steam tube, said female threads of said valve seat being secured with said male threads of said upper end of said steam tube, while said female threads of said cap being secured with said male threads of said lower end of said steam tube, whereas said spring urging said valve block within said conical hole of said vale seat tightly, whereas said notches and said axial through hole of said valve seat being blocked by said valve block, when pushing said plate of said valve downward, said stem of said valve pushes said valve block downward, thus said notches and said axial through hole of said valve seat being open and interconnected.