Patent ID: 6543743
Filing Date: 2003-04-08
Classification: F16K,F23N,Y10T

Abstract:
A gas control valve, comprising:a) a first element (21) defining a first path (20); b) a second element (22) defining a second path (200) and a hole (220) in communication with the second path (200); c) a mediate element (23) defining a passage (24), the mediate element (23) being sandwiched between the first and second elements (21,22) so that the first path (20) is in communication with the second path (200) through the passage (24); d) a sleeve (40) including a first end and a second end, the first end of the sleeve (40) being inserted in the hole (220); e) a rod (34) including a first and a second end, the rod (34) being inserted in the sleeve (40) so that the first end of the rod (34) is inserted in the second path (200) and that the second end of the rod (34) is exposed through the second end of the sleeve (40); and f) a control element (60) linked between the second end of the sleeve (40) and the second end of rod (34) so as to keep the rod (34) in a first position wherein the first end of the rod (34) opens the passage (24) and when subjected to heat moves the rod (34) to a second position wherein the first end of the rod (34) closes the passage (24).