A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressure proving valve housing itself thus providing
A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressure proving valve housing itself thus providing integrated solution for the control of the combustion process. Consequently, when heat is called for, no fuel is provided to the combustion chamber unless appropriate combustion air pressure is sensed. Further, by monitoring the actual air pressure, additional control capability is provided. That is, a variable speed blower associated with the combustion apparatus can be controlled to provide very precise fuel to air mixtures.
대표청구항▼
A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressure proving valve housing itself thus providing
A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressure proving valve housing itself thus providing integrated solution for the control of the combustion process. Consequently, when heat is called for, no fuel is provided to the combustion chamber unless appropriate combustion air pressure is sensed. Further, by monitoring the actual air pressure, additional control capability is provided. That is, a variable speed blower associated with the combustion apparatus can be controlled to provide very precise fuel to air mixtures. 600, Gardy, 128/207.14; US-4706683, 19871100, Chilton, et al., 128/654; US-4715368, 19871200, George, 128/136; US-4773853, 19880900, Kussick, 433/006; US-4784123, 19881100, Robeson, 128/090; US-4799500, 19890100, Newbury, 128/859; US-4858606, 19890800, Hamlin, 128/204; US-4862903, 19890900, Campbell, 128/861; US-4870962, 19891000, Sitnik, 128/205; US-4886056, 19891200, Simpson, 128/201; US-4892478, 19900100, Tateosian et al., 433/006; US-4895143, 19900100, Fisher, 128/206.28; US-4901737, 19900200, Toone, 128/848; US-4906234, 19900300, Voychehovski, 604/079; US-4919128, 19900400, Kopala et al., 128/207.18; US-4932867, 19900600, Ueno, 433/069; US-4955393, 19900900, Adell, 128/859; US-RE33442, 19901100, George, 128/860; US-5003994, 19910400, Cook, 128/848; US-5011407, 19910400, Pelerin, 433/048; US-5018533, 19910500, Hawkins, 128/848; US-5
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