[특허]Air delivery system for a farm machine

Eaton Corporation

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특허 상세정보

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Air delivery system for a farm machine

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-011/06 F01N-003/05 F01N-013/00 A01D-041/12 F04C-002/18 F01N-011/00
출원번호	US-0216076 (2016-07-21)
등록번호	US-10137768 (2018-11-27)
발명자 / 주소	Northrop, Kurt Ouwenga, Daniel
출원인 / 주소	Eaton Corporation
대리인 / 주소	RMCK Law Group PLC
인용정보	피인용 횟수 : 0 인용 특허 : 13

초록
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An air delivery system for a farm machine according to the present disclosure can include a first rotary blower and a first aftertreatment enclosure. The first rotary blower can include a housing and have a first rotor and a second rotor rotatably disposed in the housing. The first and second rotors can have meshed lobes for transporting air from an inlet port to an outlet port. A first aftertreatment enclosure can be configured on the farm machine and include a first inlet, a second inlet and an outlet. The first inlet can receive engine exhaust from an...

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1. An air delivery system for a farm machine having an exhaust duct configured to receive exhaust from an engine, the air delivery system comprising: a first rotary blower including a housing and having a first rotor and a second rotor rotatably disposed in the housing, the first and second rotors having meshed lobes for transporting air from an inlet port to an outlet port, the first rotary blower further including a first rotor shaft and a second rotor shaft rotatably supported by the housing and having the first and second rotors, respectively, fixed for rotation therewith;a first aftertreatment enclosure configured to receive and surround a first portion of the exhaust duct and having a first inlet, a second inlet, a first outlet, and a second outlet, wherein the first inlet receives the engine exhaust from the engine and the second inlet receives a first portion of cooling air from the rotary blower to reduce a temperature of the engine exhaust passing through the first aftertreatment enclosure, wherein the engine exhaust exits the first aftertreatment enclosure through the first outlet, and the cooling air is vented to ambient air through the second outlet; anda second aftertreatment enclosure configured to receive and surround a second portion of the exhaust duct and having a third inlet, a fourth inlet, a third outlet, and a fourth outlet, wherein the third inlet receives the engine exhaust from the engine and the second inlet receives a second portion of cooling air to further reduce a temperature of the engine exhaust received from the first aftertreatment enclosure and passing through the second aftertreatment enclosure, wherein the engine exhaust exits the second aftertreatment enclosure through the third outlet, and the second portion of cooling air is vented to ambient air through the fourth outlet. 2. The air delivery system of claim 1, wherein the second aftertreatment enclosure is disposed downstream of the first aftertreatment enclosure such that exhaust passing through the exhaust duct is first directed through the first aftertreatment enclosure to be cooled by the first portion of cooling air, and subsequently directed through the second aftertreatment enclosure to be further cooled by the second portion of cooling air. 3. The air delivery system of claim 1 wherein the inlet port extends along an inlet port axis and the outlet port extends along an outlet port axis, wherein the inlet port axis and the outlet port axis are parallel. 4. The air delivery system of claim 3 wherein the inlet port is defined by an inlet cylinder provided on the housing, and wherein the inlet port defines a circular cross section. 5. The air delivery system of claim 3 wherein the outlet port is defined by an outlet cylinder provided on the housing, and wherein the outlet port defines a circular cross section. 6. The air delivery system of claim 3 wherein the housing comprises an eyelet extending therefrom, the eyelet defining an opening having an axis that is parallel to the inlet port axis and the outlet port axis. 7. The air delivery system of claim 1, wherein the first rotary blower supplies the second portion of cooling air. 8. The air delivery system of claim 7, further comprising a manifold coupled to the outlet port of the first rotary blower, the manifold branching into a first conduit fluidly coupled to the first aftertreatment enclosure, and a second conduit fluidly coupled to the second aftertreatment enclosure. 9. The air delivery system of claim 8, further comprising a valve disposed within the manifold, wherein the valve is actuatable to selectively modify the ratio of cooling air supplied between the first and second aftertreatment enclosures. 10. The air delivery system of claim 1, further comprising a second rotary blower including a second housing and having a third rotor and a fourth rotor rotatably disposed in the housing, the third and fourth rotors having meshed lobes for transporting air from a second inlet port to a second outlet port, the second rotary blower further including a third rotor shaft and a fourth rotor shaft rotatably supported by the second housing and having the third and fourth rotors, respectively, fixed for rotation therewith, wherein the secondary rotary blower supplies the second portion of cooling air. 11. The air delivery system of claim 10, wherein the first portion of cooling air is generated by the first rotary blower and is only supplied to the first aftertreatment enclosure and not the second aftertreatment enclosure, and wherein the second portion of cooling air is generated by the second rotary blower and is only supplied to the second aftertreatment enclosure and not the first aftertreatment enclosure. 12. The air delivery system of claim 10, wherein the first aftertreatment enclosure is fluidly separated from the second aftertreatment enclosure. 13. The air delivery system of claim 10, wherein the first and second rotary blowers are Roots type superchargers each operably coupled to the engine by a mechanical power transfer device. 14. A farm machine comprising the air delivery system of claim 1, wherein the farm machine comprises a combine. 15. The farm machine of claim 14, wherein the combine comprises: a harvesting head mounted to a front end and configured to gather an agricultural crop;a feeder house coupled to the harvesting head and configured to receive the gathered crop therefrom;a conveyor configured to supply the crop from the feeder house to a combine crop processing assembly;a grain tank configured to receive a processed crop from the combine crop processing assembly; andan unloading auger configured to unload the processed crop from the grain tank. 16. A method of cooling an engine exhaust of a farm machine, the method comprising: providing a first rotary blower on the farm machine;providing a first aftertreatment enclosure on the farm machine, the first aftertreatment enclosure having a first inlet, a second inlet, a first outlet and a second outlet;delivering engine exhaust through an exhaust duct into the first inlet and out of the first outlet;delivering cooling air from the first rotary blower into the second inlet and out of the second outlet to cool the engine exhaust in the exhaust duct via indirect heat exchange;providing a second aftertreatment enclosure on the farm machine, the second aftertreatment enclosure having a third inlet, a fourth inlet, a third outlet, and a fourth outlet;delivering engine exhaust via the exhaust duct from the first aftertreatment enclosure into the second aftertreatment enclosure; anddelivering a second portion of cooling air into the second aftertreatment enclosure to further cool the engine exhaust in the exhaust duct via indirect heat exchange. 17. A method of cooling an engine exhaust of a farm machine, the method comprising: providing a first rotary blower on the farm machine;providing a first aftertreatment enclosure on the farm machine, the first aftertreatment enclosure having a first inlet, a second inlet, a first outlet and a second outlet;delivering engine exhaust through an exhaust duct into the first inlet and out of the first outlet;delivering cooling air from the first rotary blower into the second inlet and out of the second outlet to cool the engine exhaust in the exhaust duct via indirect heat exchange;wherein the cooling air and the engine exhaust are maintained fluidly separated along an entire length of the exhaust duct from an engine to an exhaust outlet where the engine exhaust is exhausted to ambient air;providing a second aftertreatment enclosure on the farm machine;delivering engine exhaust via the exhaust duct from the first aftertreatment enclosure into the second aftertreatment enclosure; anddelivering a second portion of cooling air into the second aftertreatment enclosure to further cool the engine exhaust in the exhaust duct via indirect heat exchange.

이 특허에 인용된 특허 (13)

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특허 상세정보

Air delivery system for a farm machine

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이 특허에 인용된 특허 (13)

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특허 상세정보

Air delivery system for a farm machine

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이 특허에 인용된 특허 (13)

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IPC 상세정보(version : 201201)

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