Fluid handling – Systems – Programmer or timer
Reexamination Certificate
2006-08-15
2006-08-15
Lee, Kevin (Department: 3753)
Fluid handling
Systems
Programmer or timer
C137S460000
Reexamination Certificate
active
07089959
ABSTRACT:
A timing regulator, having an operation temperature of the timing regulator from −40° C. to 55° C., includes a valve body which has a gas discharging end for connecting to an outdoor gas apparatus and a safety gas connector provided at a gas inletting end for securely connecting to a gas source, a gas controller including a safety device for blocking the gas flow passing through the valve body when a gas pressure at the gas discharging end of the valve body is higher than a safety gas pressure at the gas inletting end thereof, and a timer device disposed in the valve body for selectively regulating the gas flow via a preset time frame.
REFERENCES:
patent: 4579142 (1986-04-01), Jung-Chao
patent: 4633905 (1987-01-01), Wang
patent: 4807664 (1989-02-01), Wilson et al.
patent: 6755213 (2004-06-01), Lai
Chen Raymond Y.
David and Raymond Patent Group
Lee Kevin
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