[특허]Fuel selector valve with shutter mechanism for a gas burner unit

GHP Group, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Fuel selector valve with shutter mechanism for a gas burner unit

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23Q-009/08 F23N-001/02 F23N-005/24 F23D-014/10 F23D-014/60 F23D-014/64
출원번호	US-0209250 (2014-03-13)
등록번호	US-9671111 (2017-06-06)
발명자 / 주소	Downing, Verlon (Dan)
출원인 / 주소	GHP Group, Inc.
대리인 / 주소	Seyfarth Shaw LLP
인용정보	피인용 횟수 : 0 인용 특허 : 75

초록
▼

A selector valve and shutter mechanism for use with a gas burner unit is disclosed. The valve includes a pilot gas manifold which is in communication with two pilot flames and associated ODS for two different kinds of gas fuel. The shutter mechanism opens or closes an opening to a burner mixing chamber to thereby adjust the flow of air into the mixing chamber depending on the fuel selected, and preferably is in the form of a sleeve that in one approach is rotatably mounted on a part of the burner mixing chamber, with a part of the sleeve covering the mixing chamber opening in one orientation and opening it to airflow in another orientation. A first gear is mounted on the sleeve which is engageable with a second gear mounted on part of the valve which is rotatable to one position or another depending on the gas fuel selected, the sleeve thereby adjusting the airflow to the mixing chamber in response to the valve position. In another approach, the cover moves linearly along the burner tube between orientations. A novel selector mechanism having a manifold for gas flows and a plate-like element to adjust the manifold is also disclosed.

대표
청구항
▼

1. A selector mechanism for selecting and routing a first or a second gas flow to a burner unit of a gas-fired appliance, the burner unit having a burner tube with a mixing chamber, the mixing chamber having at least one air opening to allow an airflow into the mixing chamber to mix with a gas flow passing through the mixing chamber, the burner unit further including a pilot light, associated ODS and first and second pilot gas lines related to the first and second gas flows, comprising: a manifold with a burner gas inlet for a burner gas flow and a pilot gas inlet for a pilot gas flow, a burner gas outlet to the mixing chamber, a first pilot gas outlet to the first pilot gas line and a second pilot gas outlet to the second pilot gas line;a plate member mounted to move in said manifold between said inlets and outlets, said plate member having a handle part located for manual movement of said plate between a first orientation for the first gas flow and a second orientation for the second gas flow, said plate member including at least one pilot gas aperture therethrough which communicates said pilot gas inlet with either said first or said second pilot gas line depending on either said first or said second orientation, and at least one burner gas aperture therethrough which communicates said burner gas inlet with said burner gas outlet;a shutter mechanism for controlling an airflow into the burner mixing chamber, the mixing chamber being within a burner part which is tubular and having a longitudinal axis, said shutter mechanism comprising a cover mounted to overlie the mixing chamber opening in one orientation to reduce if not substantially close airflow through the mixing chamber opening, and to expose the mixing chamber opening in another orientation, said cover moving along said longitudinal axis according to selection of the first or second gas flow, and a biasing member biasing said cover to move between said one cover orientation or another cover orientation, said biasing member being actuated by the selector mechanism,wherein the selector mechanism further includes a rod connected to said cover and having a rod end engaging said plate member of said manifold and pressing said cover against the bias of said biasing member in said one cover orientation, said rod end being disengaged from said plate in said another cover orientation and the bias moving said cover. 2. The selector mechanism of claim 1, wherein said plate member has a first and a second burner gas aperture, and either said first or said second aperture communicates with said burner gas outlet depending on either said first or said second orientation. 3. The selector mechanism of claim 2, wherein the second gas flow is of a different type of gas from the first gas flow. 4. The selector mechanism of claim 3, wherein the first gas flow is NG, and the second gas flow is LP. 5. A selector mechanism for selecting and routing a first or a second gas flow to a burner unit of a gas-fired appliance, the burner unit further including at least one pilot light, comprising: a manifold with a burner gas inlet for a burner gas flow, and a burner gas outlet,a selector member mounted to move in a plane in said manifold between said burner gas inlet and burner gas outlet, said selector member having a handle part located for manual movement of said selector member between a first orientation for a first gas flow and a second orientation for a second gas flow, said selector member further including a first burner gas aperture and a second burner gas aperture, said first or said second burner gas aperture communicating with said burner gas outlet depending on either said first or said second orientation being selected through movement of said selector member in said plane to align said first or second burner gas aperture with said burner gas outlet;a shutter mechanism for controlling an airflow into a burner mixing chamber, said mixing chamber being within a burner conduit part having a longitudinal axis, said mixing chamber having an air opening formed thereon, said shutter mechanism comprising a cover mounted to overlie said mixing chamber opening in one of a first cover orientation or second cover orientation to reduce if not substantially close airflow through a mixing chamber opening, and to expose said mixing chamber opening in the other of said first or second cover orientations, said cover moving along said longitudinal axis according to selection of the first or second gas flow, and a biasing member biasing said cover to move between said first and second cover orientations, said biasing member being actuated by the selector mechanism,wherein the selector mechanism further includes a rod connected to said cover and having a rod end engaging said selector member of said manifold and pressing said cover against the bias of said biasing member in one of said first or second cover orientations, said rod end being disengaged from said selector member in the other of said first or second cover orientations and the bias moving said cover. 6. The selector mechanism of claim 5, wherein the burner unit includes a first pilot gas line for the first gas line and a second pilot gas line for the second gas flow, said manifold further including a pilot gas inlet and a first pilot gas outlet and a second pilot gas outlet, said selector member including at least one pilot gas aperture therethrough which communicates said pilot gas inlet with said first or second pilot gas outlets, depending on which of said first or said second orientation is selected. 7. The selector mechanism of claim 5, wherein the burner unit is operable on two different kinds of fuel, and said first orientation or said second orientation is selected based upon the kind of fuel being supplied, the burner unit further including a pilot light associated with a respective pilot gas line from a respective pilot gas outlet. 8. The selector mechanism of claim 7, wherein the burner unit has an ODS associated with a respective pilot light. 9. The selector mechanism of claim 8, wherein the first gas flow is NG, and the second gas flow is LP. 10. The selector mechanism of claim 5, wherein said selector member is a plate. 11. The selector mechanism of claim 5, wherein said selector member is a part having a generally flat planar face on front and back sides. 12. The selector mechanism of claim 11, wherein said selector member is mounted between an interior inlet side and an interior outlet side of said manifold, with each face of said front and back sides being in sliding engagement with a respective interior outlet and interior outlet side of said manifold.

인용문헌 (75)

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특허 상세정보

Fuel selector valve with shutter mechanism for a gas burner unit

초록
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대표
청구항
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인용문헌 (75)

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IPC 상세정보(version : 201201)

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특허 상세정보

Fuel selector valve with shutter mechanism for a gas burner unit

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인용문헌 (75)

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상세정보조회

원문조회

IPC 상세정보(version : 201201)

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