[특허]Fuel selection valve assemblies

Continental Appliances Inc.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Fuel selection valve assemblies

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23C-001/08 F23C-001/00 F23N-001/02
미국특허분류(USC)	431/278; 431/284; 431/012; 431/280; 126/265; 126/116R; 251/205; 251/206; 137/637; 137/112; 137/002; 137/625.16
출원번호	US-0048191 (2008-03-13)
등록번호	US-8241034 (2012-08-14)
발명자 / 주소	Deng, David
출원인 / 주소	Continental Appliances Inc.
대리인 / 주소	Knobbe Martens Olson & Bear LLP
인용정보	피인용 횟수 : 29 인용 특허 : 114

초록
▼

In certain embodiments, an apparatus includes a control valve for regulating fuel flow. The apparatus can include a burner and a valve assembly. In some embodiments, the valve assembly includes a housing, which can define a first fuel input for receiving a first fuel from a first fuel source and a second fuel input for receiving a second fuel from a second fuel source. The housing can define a first fuel output for directing fuel toward the control valve, and can define a third fuel input for receiving a portion of either the first fuel or the second fuel from the control valve. The housing can define a first egress flow path and a second egress flow path, each for directing fuel to the burner. In certain embodiments, the apparatus includes a valve body configured to selectively permit fluid communication between the first and second inputs and the output and between the third input and the egress flow paths.

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1. An apparatus comprising: a control valve configured to regulate fuel flow through the apparatus;a burner configured to produce a flame; anda valve assembly comprising: a housing defining: a first fuel input for receiving a first fuel from a first fuel source;a second fuel input for receiving a second fuel from a second fuel source;a first fuel output directing fuel received from either the first fuel input or the second fuel input toward the control valve;a third fuel input receiving a portion of either said first fuel or said second fuel from the control valve;a first egress flow path for directing at least some of said portion of said first fuel received via the third fuel input to the burner; anda second egress flow path for directing at least some of said portion of said second fuel received via the third fuel input to the burner;anda valve body configured to selectively permit fluid communication between the first fuel input and the first fuel output or between the second fuel input and the first fuel output, and configured to selectively permit fluid communication (a) between the third fuel input and the first egress flow path, and between the third fuel input and the second egress flow path, or (b) between the third fuel input and the first egress flow path, and between the third fuel input and the first and second egress flow paths. 2. The apparatus of claim 1, wherein the valve body is configured to selectively permit fluid communication between the third fuel input and the first egress flow path, and between the third fuel input and the second egress flow path. 3. The apparatus of claim 1, wherein the valve body is configured to selectively permit fluid communication between the third fuel input and the first egress flow path, and between the third fuel input and the first and second egress flow paths. 4. The apparatus of claim 1, further comprising a pilot assembly in fluid communication with the valve assembly. 5. The apparatus of claim 4, wherein the housing further defines: a fourth fuel input for receiving a portion of either said first fuel or said second fuel from the control valve;a second fuel output for directing said portion of said first fuel received via the fourth fuel input to the pilot assembly; anda third fuel output for directing said portion of said second fuel received via the fourth fuel input to the pilot assembly. 6. The apparatus of claim 5, wherein the valve body is configured to selectively permit fluid communication between the fourth fuel input and the second fuel output or between the fourth fuel input and the third fuel output. 7. The apparatus of claim 1, wherein the valve body is configured to move relative to the housing to transition between a first state and a second state. 8. The apparatus of claim 7, wherein the valve body is configured to rotate within the housing. 9. The apparatus of claim 7, wherein the valve body is configured to permit fluid communication between the first fuel input and the first fuel output and between the third fuel input and the first egress flow path when in the first state, and is configured to permit fluid communication between the second fuel input and the first fuel output and between the third fuel input and the second egress flow path when in the second state. 10. The apparatus of claim 9, wherein the housing defines a cavity, the housing and the valve body cooperating to substantially prevent fuel from entering the cavity via the second fuel input when the valve body is in the first state and to substantially prevent fuel from entering the cavity via the first fuel input when the valve body is in the second state. 11. The apparatus of claim 1, further comprising: a first nozzle member defining an inlet and an outlet, the inlet of the first nozzle member in fluid communication with the first egress flow path; anda second nozzle member defining an inlet and an outlet, the inlet of the second nozzle member in fluid communication with the second egress flow path. 12. The apparatus of claim 11, wherein at least a portion of the first nozzle member is within the second nozzle member. 13. The apparatus of claim 1, further comprising a mixing chamber defining one or more flow areas configured to permit fluid flow therethrough, the mixing chamber coupled with the valve body such that movement of the valve body resizes the one or more flow areas. 14. The apparatus of claim 1, wherein the valve assembly further comprises a fourth fuel input for receiving a portion of either said first fuel or said second fuel from the control valve. 15. The apparatus of claim 14, further comprising an oxygen depletion sensor assembly fluidly coupled to the fourth fuel input of the valve assembly. 16. The apparatus of claim 15, wherein the oxygen depletion sensor assembly comprises two oxygen depletion sensors. 17. An apparatus comprising: a burner configured to produce a flame;a valve assembly comprising: a housing defining: a first fuel input for receiving fuel from a first fuel source;a second fuel input for receiving fuel from a second fuel source;a first fuel output directing fuel received from either the first fuel input or the second fuel input;a third fuel input receiving fuel from the control valve;a first egress flow path directing fuel received from a fuel source toward the burner;anda valve body configured to selectively permit fluid communication between the first fuel input and the first fuel output or between the second fuel input and the first fuel output;anda mixing chamber positioned to receive fuel from the first egress flow path and defining one or more adjustable openings through which air can pass to mix with fuel received from the first egress flow path, the mixing chamber coupled with the valve body such that the one or more openings change size due to movement of the valve body. 18. The apparatus of claim 17, wherein the mixing chamber is in fluid communication with the burner such that the burner produces a substantially yellow flame when the valve assembly receives fuel from said first fuel source and produces a substantially yellow flame when the valve assembly receives fuel from said second fuel source. 19. The apparatus of claim 17, wherein the housing further defines a second egress flow path for directing fuel received from the control valve into the mixing chamber. 20. The apparatus of claim 19, wherein the valve body is configured to transition between a first state in which the valve body permits fluid communication between the first fuel input and the first fuel output and between the third fuel input and the first egress flow path and a second state in which the valve body permits fluid communication between the second fuel input and the first fuel output and between the third fuel input and the second egress flow path. 21. The apparatus of claim 19, further comprising a first nozzle member in fluid communication with the first flow path and a second nozzle member in fluid communication with the second flow path. 22. The apparatus of claim 17, further comprising a pilot assembly in fluid communication with the valve assembly. 23. The apparatus of claim 22, wherein the housing further defines: a fourth fuel input for receiving a portion of either said first fuel or said second fuel from the control valve;a second fuel output for directing said portion of said first fuel received via the fourth fuel input to the pilot assembly; anda third fuel output for directing said portion of said second fuel received via the fourth fuel input to the pilot assembly. 24. The apparatus of claim 23, wherein the valve body is configured to selectively permit fluid communication between the fourth fuel input and the second fuel output or between the fourth fuel input and the third fuel output. 25. The apparatus of claim 17, wherein the valve body is configured to move relative to the housing to transition between a first state and a second state. 26. The apparatus of claim 25, wherein the valve body is configured to rotate within the housing. 27. The apparatus of claim 26, wherein the housing defines a cavity, the housing and the valve body cooperating to substantially prevent fuel from entering the cavity via the second fuel input when the valve body is in the first state and to substantially prevent fuel from entering the cavity via the first fuel input when the valve body is in the second state. 28. An apparatus comprising: a control valve configured to regulate fuel flow through the apparatus;a pilot assembly;a burner configured to produce a flame; anda valve assembly comprising: a housing defining: a first fuel input for receiving a first fuel from a first fuel source;a second fuel input for receiving a second fuel from a second fuel source;a third fuel input receiving a portion of either said first fuel or said second fuel from the control valve;a fourth fuel input receiving a portion of either said first fuel or said second fuel from the control valve;a first fuel output directing fuel received from either the first fuel input or the second fuel input toward the control valve;a first egress flow path directing said portion of said first fuel received via the third fuel input to the burner;a second egress flow path directing said portion of said second fuel received via the third fuel input to the burner;a second fuel output for directing said portion of said first fuel received via the fourth fuel input to the pilot assembly; anda third fuel output for directing said portion of said second fuel received via the fourth fuel input to the pilot assembly;anda valve body configured to selectively permit fluid communication between the first fuel input and the first fuel output or between the second fuel input and the first fuel output, between the third fuel input and the first egress flow path or between the third fuel input and the second egress flow path, and between the fourth fuel input and the second fuel output or between the fourth fuel input and the third fuel output. 29. The apparatus of claim 28, wherein the valve body is configured to move relative to the housing to transition between a first state and a second state. 30. The apparatus of claim 29, wherein the valve body is configured to rotate within the housing. 31. The apparatus of claim 29, wherein the valve body is configured to permit fluid communication between the first fuel input and the first fuel output, between the fourth fuel input and the second fuel output, and between the third fuel input and the first egress flow path when in the first state, and to permit fluid communication between the second fuel input and the first fuel output, between the fourth fuel input and the third fuel output, and between the third fuel input and the second egress flow path when in the second state. 32. The apparatus of claim 31, wherein the housing defines a cavity, the housing and the valve body cooperating to substantially prevent fuel from entering the cavity via the second fuel input when the valve body is in the first state and to substantially prevent fuel from entering the cavity via the first fuel input when the valve body is in the second state. 33. The apparatus of claim 28, further comprising: a first nozzle member defining an inlet and an outlet, the inlet of the first nozzle member in fluid communication with the first egress flow path; anda second nozzle member defining an inlet and an outlet, the inlet of the second nozzle member in fluid communication with the second egress flow path. 34. The apparatus of claim 33, wherein at least a portion of the first nozzle member is within the second nozzle member. 35. The apparatus of claim 33, wherein the first nozzle member and the second nozzle member comprise a common longitudinal axis. 36. The apparatus of claim 33, wherein one or more of the second fuel output and the third fuel output is configured to deliver fuel to an oxygen depletion sensor. 37. The apparatus of claim 33, further comprising a first nozzle wherein the outlet of the first nozzle member and the outlet of the second nozzle member are in fluid communication with a mixing compartment. 38. The apparatus of claim 28, further comprising a mixing chamber defining one or more flow areas configured to permit fluid flow therethrough, the mixing chamber coupled with the valve body such that movement of the valve body resizes the one or more flow areas.

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이 특허를 인용한 특허 (29)

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Fuel selection valve assemblies

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Fuel selection valve assemblies

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이 특허에 인용된 특허 (114)

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