[특허]Warp resistant access door assembly for a high temperature combustion chamber

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F27D-001/18
출원번호	US-0179917 (2002-06-24)
발명자 / 주소	Largent, Thomas R.
대리인 / 주소	O'Banion, John P.
인용정보	피인용 횟수 : 5 인용 특허 : 26

초록 ▼

A warp resistant fuel feed door assembly for use in injecting supplemental fuel into a high temperature combustion chamber such as a rotating cement kiln without substantial loss of heat or combustion gases. The apparatus, which is positioned on the exterior side of a fuel passage transecting the wa

A warp resistant fuel feed door assembly for use in injecting supplemental fuel into a high temperature combustion chamber such as a rotating cement kiln without substantial loss of heat or combustion gases. The apparatus, which is positioned on the exterior side of a fuel passage transecting the wall of a rotating kiln, opens to receive fuel and then seals during the balance of the rotation of the kiln. Warping, bearing fracture, shaft distortion and jamming due to exposure to extreme heat and cooling are minimized by the sectional construction of the doors. The door includes a plate positioned over the mouth of the passage, a plurality of support arms attached to the plate and a hinge shaft attached to the arms. Stresses on the door structure from inconsistent expansion of the plate are reduced due to symmetrically spaced oblong and oversized bolt attachment bores in the support arms. Synchronous opening of the feed doors is achieved by levered rotation of the hinge shafts by an electric motor. Selective introduction of supplemental fuel into a rotating kiln can be controlled by electrical actuation of the feed doors.

대표청구항 ▼

A warp resistant fuel feed door assembly for use in injecting supplemental fuel into a high temperature combustion chamber such as a rotating cement kiln without substantial loss of heat or combustion gases. The apparatus, which is positioned on the exterior side of a fuel passage transecting the wa

A warp resistant fuel feed door assembly for use in injecting supplemental fuel into a high temperature combustion chamber such as a rotating cement kiln without substantial loss of heat or combustion gases. The apparatus, which is positioned on the exterior side of a fuel passage transecting the wall of a rotating kiln, opens to receive fuel and then seals during the balance of the rotation of the kiln. Warping, bearing fracture, shaft distortion and jamming due to exposure to extreme heat and cooling are minimized by the sectional construction of the doors. The door includes a plate positioned over the mouth of the passage, a plurality of support arms attached to the plate and a hinge shaft attached to the arms. Stresses on the door structure from inconsistent expansion of the plate are reduced due to symmetrically spaced oblong and oversized bolt attachment bores in the support arms. Synchronous opening of the feed doors is achieved by levered rotation of the hinge shafts by an electric motor. Selective introduction of supplemental fuel into a rotating kiln can be controlled by electrical actuation of the feed doors. , wherein a gas mixture vent of said compartment positioned upstream of the flow of said gas mixture and a gas mixture vent of said compartment positioned downstream of the flow of said gas mixture are provided in such a manner that central axes of said gas mixture vents do not coincide with each other. 9. The fuel evaporation apparatus according to claim 1, wherein the most downstream compartment, or at least a surface thereof facing said catalytic combustion unit is formed from high emissivity base material. 10. The fuel evaporation apparatus according to claim 1, wherein the most downstream heating element compartment, or at least a surface thereof facing said catalytic combustion unit is coated with base material having high emissivity. 11. The fuel evaporation apparatus according to claim 1, wherein said catalyst is carried on parts other than a surface facing said carburetor of the most upstream compartment and a surface facing said catalytic combustion unit of the most downstream compartment. 12. The fuel evaporation apparatus according to claim 1, wherein said compartments are disposed at a distance not more than a quenching distance. 13. A catalytic combustion apparatus comprising: the fuel evaporation apparatus according to any one of claims 1 to 12; a catalytic combustion unit provided downstream of said auxiliary catalytic combustion unit; and a second gas mixture space that is provided between said auxiliary catalytic combustion unit and said catalytic combustion unit and holds said evaporated fuel and said air. 14. The catalytic combustion unit according to claim 13, wherein a straightening vane disposed to oppose said air diversion port is provided in said second gas mixture space. 15. The fuel evaporation apparatus of claim 1 wherein at least one of said compartments is in physical heat conductive contact with said carburetor. 16. The fuel evaporation apparatus of claim 15 wherein the physical heat conductive contact provides sufficient heat transfer between said auxiliary catalytic combustion unit and said carburetor such that a separate evaporation heater is not required.

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이 특허에 인용된 특허 (26) 인용/피인용 타임라인 분석

Parsons Marshall F. (4 Meadow Grass Ct. Gaithersburg MD 20878), Airlocking system and method for feeding bulk granular material.
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Hofbauer, Edwin; Lechner, Peter; Exler, Heribert, Apparatus for charging a rotary kiln with pneumatic tires.
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Peterson Charles D. (Ashdown AR) Tutt James R. (Nash TX) Cody John (Foreman AR), Apparatus for charging solid fuel to rotary kilns.
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Aldred Ernie,CAX ; Birchard Ronald,CAX ; Courtney Donald,CAX ; Denizeau Jacques,CAX ; Gagnon Christian,CAX ; Normandin Jean-Claude,CAX, Apparatus for feeding solid wastes into a rotary kiln.
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Woo Jae-young,KRX ; Choi Woo-yeul,KRX, Apparatus for opening/closing a process chamber door of ovens used for manufacturing semiconductor devices.
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Pearce Donald R., Bow holder.
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Reese Theodore J. (Ft. Myers FL) Hansen Eric R. (Shawnee KS) Benoit Michel R. (Greene RI), Burning of blended waste-derived supplemental fuel for improved manufacture of cement.
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Allen Donald S. (Toledo OH) Stuessy Verne A. (Mason City IA) Buta John R. (Salem OH) Teal Ronald F. (Salem OH), Cement kiln having tire injection system.
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Healy John T. (Irvine CA) Johnson Joel W. (Newport Beach CA), Combustor feeding arrangement.
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Haase Egon (Balzers LIX), Comminuting plant.
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Largent Thomas R., Conveyor head and lift for feeding tires into a rotating kiln.
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Tutt James R. (Nash TX) Benoit Michel R. (Greene RI), Device for charging combustible solids to rotary kilns.
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Tutt James R. (Nash TX) Benoit Michel R. (Greene RI), Device for charging combustible solids to rotary kilns.
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Benoit Michael R. (2172 Plainfield Pk. Greene RI 02827) Hansen Eric R. (17604 W. 67 Ter. Shawnee KS 66217) Reese Theodore J. (2622 Oriole Trail Michigan City IN 46360), Energy recovery from containerized waste.
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Lonardi Emile (L-Bascharage LUX) Mailliet Pierre (L-Howard LUX), Mechanism for actuating an opening and shut-off valve.
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Benoit Michel R. (Greene RI) Hansen Eric R. (Shawnee KS) Reese Theodore J. (Michigan City IN), Method for energy recovery from containerized hazardous waste.
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Benoit Michel R. (Greene RI) Hansen Eric R. (Shawnee KS) Reese Theodore J. (Michigan City IN), Method for energy recovery from solid hazardous waste.
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Reese Theodore J. ; Hansen Eric R. ; Benoit Michel R., Modified cement kiln for burning combustible solid waste as supplemental fuel.
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Benoit Michel R. (Greene RI) Hansen Eric R. (Shawnee KS) Reese Theodore J. (Michigan City IN), Processed wastes as supplemental fuel for modified cement films.
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Pechacek Raymond E. (Houston TX) Clay Henry J. (Bellaire TX), Remotely operable vessel cover positioner.
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Largent Thomas R., Rotating singulator.
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Twyman Noel H. (Newport Beach CA) Jenkins Robert F. (Laguna Niguel CA), Scrap metal fed system for a closed rotary kiln or heating oven.
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Michimae Kiyoharu (Takaoka JPX) Amamiya Akira (Takaoka NJ JPX) Akimoto Hiroshi (Fort Lee NJ), Slide dampers for a vertical type of apparatus for continuously heat-treating solid waste.
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Bolanos Anthony R. (2725 E. Dorchester Pl. Charlotte NC 28209), Space heating stove with stress relieving walls.
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Buckner Carrol E. (5 Piney Dr. Fletcher NC 28732), Stove with catalytic converter.
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Benoit Michel R. (Greene RI) Hansen Eric R. (Shawnee KS) Reese Theodore J. (Michigan City IN), Waste fuel delivery to long kilns.
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이 특허를 인용한 특허 (5) 인용/피인용 타임라인 분석

Trent, Jr., Kevin D.; Teets, Johnrobert J.; Merricle, Patrick A.; Fell, Lynn, Automatic charge hearth access door assembly.
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Ohlson, Fredrik, Loading arrangement for a destruction system.
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De Raedt,Frederick; Largent,Thomas R., Method and apparatus for introducing materials into a rotary kiln.
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Couse, Derek W.; Sandoval, Manuel, Safety door for rotary kiln.
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Couse, Derek W.; Sandoval, Manuel, Safety door for rotary kiln.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Warp resistant access door assembly for a high temperature combustion chamber 원문보기

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