CN-2012 1 0337908 (2012-09-13); CN-2012 2 0465982 U (2012-09-13); CN-2012 1 0403326 (2012-10-19); CN-2012 2 0537140 U (2012-10-19)
발명자
/ 주소
Deng, David
출원인 / 주소
Deng, David
대리인 / 주소
Knobbe Martens Olson & Bear LLP
인용정보
피인용 횟수 :
1인용 특허 :
65
초록▼
A heater assembly can be used with a gas appliance. The gas appliance can be a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The heater assembly can include a fuel regulator valve including a main pressure regulator to maintain the fuel pre
A heater assembly can be used with a gas appliance. The gas appliance can be a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The heater assembly can include a fuel regulator valve including a main pressure regulator to maintain the fuel pressure, a first fuel source connection for connecting the first fuel type to the heater assembly, a second fuel source connection for connecting the second fuel type to the heater assembly, and an air shutter system. The air shutter system introduces air into the fuel discharged at the main burner nozzle before it is supplied to the main burner. The air shutter system can open the air shutter to two or more different positions to vary the amount of air introduced based on the type of fuel supplied.
대표청구항▼
1. A heating assembly configured for use with two different types of fuels, the heater assembly being selectable between one of the two different types of fuel, the heating assembly comprising: a fuel control device comprising: a housing having a first fuel source connection for receiving a first fi
1. A heating assembly configured for use with two different types of fuels, the heater assembly being selectable between one of the two different types of fuel, the heating assembly comprising: a fuel control device comprising: a housing having a first fuel source connection for receiving a first fitting connecting a first fuel type to the fuel control device and a second fuel source connection for receiving a second fitting connecting a second fuel type to the fuel control device;a main burner nozzle;an air shutter assembly positioned at the main burner nozzle and comprising an opening and a cover, wherein the air shutter assembly has a first position where the cover and opening are positioned to allow a first amount of air flow through the opening to mix with fuel from the main burner nozzle and a second position where the cover and opening are positioned to allow a second amount of air flow through the opening to mix with fuel from the main burner nozzle, the second amount of air flow being different from the first; amount of air flow; andan actuator positioned at the first fuel source connection such that connecting the first fitting to the first fuel source connection forces the actuator to move the air shutter assembly from the first position to the second position. 2. The heating assembly of claim 1, wherein the actuator comprises at least one of a plate, lever, button, arm, and sensor. 3. The heating assembly of claim 1, wherein the cover comprises a tube. 4. The heating assembly of claim 1, wherein the opening and the cover are formed on two separate concentric tubes. 5. The heating assembly of claim 1, wherein the actuator is positioned outside of the housing adjacent to the first fuel source connection. 6. The heating assembly of claim 1, wherein the actuator comprises an arm connected to the air shutter assembly at a first end and having a second end positioned adjacent the first fuel source connection. 7. The heating assembly of claim 6, wherein the actuator further comprises a spring having a first end engaged with the arm and a second end connected to the housing, the spring biasing the arm to the first position. 8. The heating assembly of claim 6, wherein the actuator is configured to convert linear motion resulting from connecting the first fitting to the first fuel source connection into rotational motion at the air shutter assembly. 9. The heating assembly of claim 1, further comprising a burner, and an oxygen depletion sensor. 10. A heating assembly configured for use with two different types of fuels, the heater assembly being selectable between one of the two different types of fuel and comprising: a fuel control device comprising: a housing having a first fuel source connection for receiving a first fitting connecting a first fuel type to the fuel control device and a second fuel source connection for receiving a second fitting connecting a second fuel type to the fuel control device;a main burner nozzle connected to the housing;an air shutter assembly positioned around the main burner nozzle and comprising an opening and a cover, wherein the air shutter assembly has a first position where the cover and opening are positioned to allow a first amount of air flow through the opening and a second position where the cover and opening are positioned to allow a second amount of air flow through the opening different from the first; andan actuator positioned with respect to the first fuel source connection such that connecting the first fitting to the first fuel source connection triggers the actuator to move the air shutter assembly from the first position to the second position, the actuator comprising: an arm connected to the air shutter assembly at a first end and having a second end positioned adjacent the first fuel source connection; anda spring having a first end engaged with the arm and a second end connected to the housing, wherein the spring biases the arm and the air shutter assembly to the first position. 11. The heating assembly of claim 10, the air shutter assembly further comprising a flange having a slot, wherein the first end of arm engages with slot. 12. The heating assembly of claim 10, wherein the actuator comprises at least one of a plate, lever, button, arm, and sensor. 13. The heating assembly of claim 10, wherein the cover comprises a tube. 14. The heating assembly of claim 10, wherein the opening and the cover are formed on two separate concentric tubes. 15. The heating assembly of claim 10, wherein the actuator is positioned outside of the housing adjacent to the first fuel source connection. 16. The heating assembly of claim 10, wherein the actuator further comprises a plate connected the second end of the arm. 17. The heating assembly of claim 10, wherein the actuator is configured to convert linear motion resulting from connecting the first fitting to the first fuel source connection into rotational motion at the air shutter assembly. 18. The heating assembly of claim 10, further comprising a burner, and an oxygen depletion sensor. 19. A heating assembly configured for use with two different types of fuels, the heater assembly being selectable between one of the two different types of fuel, the heating assembly comprising: a fuel control device comprising: a housing having a first fuel source connection for receiving a first fitting connecting a first fuel type to the fuel control device and a second fuel source connection for receiving a second fitting connecting a second fuel type to the fuel control device;a main burner nozzle;an air shutter assembly positioned around the main burner nozzle and comprising an opening and a cover, wherein the air shutter assembly has a first position where the cover and opening are positioned to allow a first amount of air flow through the opening and a second position where the cover and opening are positioned to allow a second amount of air flow through the opening different from the first; andan actuator positioned with respect to the first fuel source connection such that connecting the first fitting to the first fuel source connection triggers the actuator to move the air shutter assembly from the first position to the second position;wherein the actuator comprises an arm connected to the air shutter assembly at a first end and having a second end positioned adjacent the first fuel source connection. 20. The heating assembly of claim 19, wherein the cover comprises a tube. 21. The heating assembly of claim 19, wherein the opening and the cover are formed on two separate concentric tubes. 22. The heating assembly of claim 19, wherein the actuator is positioned outside of the housing adjacent to the first fuel source connection. 23. The heating assembly of claim 19, wherein the actuator is configured to convert linear motion resulting from connecting the first fitting to the first fuel source connection into rotational motion at the air shutter assembly. 24. The heating assembly of claim 19, further comprising a burner, and an oxygen depletion sensor.
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