초록 ▼

A temperature-actuated valve device which comprises a body 5 provided with a fluid inlet opening 6b and a fluid outlet opening 5a, a vale seat 5b formed on the peripheral edge of the outlet opening 5a, a main valve body 8 which is disposed movably within the body 5 in the flow direction of fluid and

A temperature-actuated valve device which comprises a body 5 provided with a fluid inlet opening 6b and a fluid outlet opening 5a, a vale seat 5b formed on the peripheral edge of the outlet opening 5a, a main valve body 8 which is disposed movably within the body 5 in the flow direction of fluid and which is brought into and out of an abutting engagement with the outlet opening 5a to perform the opening and closing operation, a pilot valve body 7 which is disposed movably within the body 5 in the same direction as the direction of movement of the main valve body 8 and which is of a tubular shape causing a change in the fluid pressure acting on the upstream side or the downstream side of the main valve body 8, and a temperature-actuated spring 11 which is linked to the pilot valve body 7 and which deforms when it reaches a predetermined temperature and above. When the temperature of fluid reaches a predetermined temperature and above, the temperature-actuated spring 11 deforms in the direction of expansion, thereby causing the pilot valve body 7 to be moved and causing the fluid pressure acting on the downstream side of the main valve body 8 to be reduced, whereby the main valve body 8 is brought into an abutting engagement with the valve seat 5b to shut off the outflow of the fluid.

대표청구항 ▼

[ We claim:] [1.] A temperature-actuated valve device comprising:a body of the device provided with a fluid inlet opening and a fluid outlet opening;a valve seat formed on a peripheral edge of said outlet opening;a main valve body disposed within said body of the device, said main valve body mounted

[ We claim:] [1.] A temperature-actuated valve device comprising:a body of the device provided with a fluid inlet opening and a fluid outlet opening;a valve seat formed on a peripheral edge of said outlet opening;a main valve body disposed within said body of the device, said main valve body mounted movably in a flow direction of fluid into and out of an abutting engagement with said valve seat to control the closing and opening operation of the outlet opening;a tubular pilot valve body disposed within the body of the device, said pilot valve body mounted movably in the same direction as the direction of movement of said main valve body said pilot valve body causing a change in the fluid pressure acting on an upstream side or a downstream side of said main valve body; anda temperature-actuated means linked to said pilot valve body, said temperature-actuated means deforming when reaching a predetermined temperature.