Electrical generator with improved cooling and exhaust flows
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02K-007/18
F02B-063/04
출원번호
US-0008655
(2011-01-18)
등록번호
US-9181865
(2015-11-10)
발명자
/ 주소
Richardson, Christine
Bechtel, Michael
Wray, Joel
Gohde, Jonathan
Brandenburg, Billy
Pilling, Leonard
출원인 / 주소
Generae Power Systems, Inc.
대리인 / 주소
Boyle Fredrickson, S.C.
인용정보
피인용 횟수 :
3인용 특허 :
10
초록▼
An electrical generator has an internal combustion engine and an alternator mounted to the engine and operative to generate electrical power during running of the engine. The alternator and the engine are arranged vertically to reduce the footprint of the electrical generator. The components of the
An electrical generator has an internal combustion engine and an alternator mounted to the engine and operative to generate electrical power during running of the engine. The alternator and the engine are arranged vertically to reduce the footprint of the electrical generator. The components of the electrical generator are contained within an enclosure defined by a base panel, a set of upright side panels, and a roof panel. When the roof panel is removed, each of the side panels can be independently removed from engagement with the base panel, which allows for easier access to the components of the electrical generator, such as for maintenance, service, and repair. The components are arranged so that cooling and exhaust air flow paths are defined within the enclosure.
대표청구항▼
1. An electrical generator comprising: an enclosure including a base panel, a plurality of upright panels extending uprightly from the base panel, and a roof panel coupled to the plurality of upright panels to form the enclosure defining an interior volume therein;an internal combustion engine arran
1. An electrical generator comprising: an enclosure including a base panel, a plurality of upright panels extending uprightly from the base panel, and a roof panel coupled to the plurality of upright panels to form the enclosure defining an interior volume therein;an internal combustion engine arranged in the interior volume of the enclosure, the internal combustion engine having an upper side and an underside;an alternator operably connected to the underside of the internal combustion engine such that the internal combustion engine and the alternator are vertically aligned, the alternator generating electrical power during running of the internal combustion engine;an alternator housing surrounding the alternator and arranged within the interior volume of the enclosure, the alternator housing including a first opening and a second opening in communication with the interior volume of the enclosure; wherein the first opening is proximal to the internal combustion engine for receiving air from outside of the enclosure for being directed through the alternator housing for cooling the alternator and the second opening is distal to the internal combustion engine for releasing the air from the alternator housing and into the interior volume of the enclosure prior to being discharged from the enclosure; andan engine and alternator cooling system configured to provide cooling air to the internal combustion engine and the alternator, the cooling system providing a first cooling path in which air is drawn through a first enclosure opening and is pulled downward proximal to the internal combustion engine to provide cooling for the engine and providing a second cooling path in which air is drawn through a second enclosure opening and is pulled downward through the first opening of the alternator housing to provide cooling for the alternator,wherein in the second cooling path, air is released from the second opening of the alternator housing to the interior volume of the enclosure to provide cooling in the enclosure prior to being discharged from the enclosure. 2. The electrical generator of claim 1 wherein the alternator includes a stator and a rotor, and wherein the stator is mounted to an underside of the internal combustion engine. 3. The electrical generator of claim 2 wherein the stator has a lower portion sealed by the base panel and an upper portion coupled to the internal combustion engine. 4. The electrical generator of claim 3 wherein the internal combustion engine has an output shaft coupled to the rotor, and wherein the output shaft extends along a vertical axis. 5. The electrical generator of claim 1 wherein: the first enclosure opening is formed in a first upright panel of the enclosure and the second enclosure opening is formed in a second upright panel of the enclosure; andwherein some of the air that is passed proximal to the engine or the alternator is used to provide cooling for other components of the electrical generator contained within the enclosure. 6. The electrical generator of claim 5 further comprising an exhaust system to exhaust emissions of the internal combustion engine, the exhaust system providing an exhaust path in which exhaust from the internal combustion engine is directed toward one or more openings formed in the side panels. 7. The electrical generator of claim 6 wherein the exhaust system includes a muffler flow coupled to an exhaust side of the internal combustion engine and an exhaust pipe flow coupled to the muffler. 8. The electrical generator of claim 7 wherein the exhaust pipe includes an elongated body disposed laterally adjacent the muffler, the elongated body having first and second outlets, each of which passes exhaust toward respective side panels. 9. The electrical generator of claim 8 wherein the elongated body is parallel to a plane of the base panel. 10. The electrical generator of claim 1 further comprising a tubular frame to which the internal combustion engine is mounted, and further comprising rubber mounts interconnected between the tubular frame and the internal combustion engine. 11. An electrical generator comprising: a generator housing defining an enclosure;an internal combustion engine arranged inside of the enclosure and having an integrally formed mount; andan alternator positioned generally beneath the internal combustion engine and mounted directly to the integrally formed mount;an alternator housing surrounding the alternator for directing cooling air therethrough, the alternator housing including an inlet and an outlet communicating with an interior of the enclosure, the inlet receiving air from outside the enclosure and delivering the air into the alternator housing at an end of the alternator housing proximal to the internal combustion engine and the outlet relatively being distal to the internal combustion engine for releasing the air from the alternator housing into the interior of the enclosure prior to being discharged from the enclosure; andan engine and alternator cooling system configured to provide cooling air to the internal combustion engine and the alternator, the cooling system providing a first cooling path in which air is drawn through a first generator housing opening and is pulled downward proximal to the internal combustion engine to provide cooling for the engine and providing a second cooling path in which air is drawn through a second generator housing opening and is pulled downward through the inlet to provide cooling for the alternator,wherein, in the second cooling path, air is released from the outlet of the alternator housing to the interior of the enclosure to provide cooling in the interior of the enclosure prior to being discharged from the enclosure. 12. The electrical generator of claim 11 wherein the housing includes a base panel, a plurality of side and end panels extending uprightly from the base panel, a plurality of corner panels, and a roof panel coupled to the plurality of corner panels. 13. The electrical generator of claim 12 wherein each corner panel includes first and second slots configured to receive an edge of a side panel and an edge of an end panel. 14. The electrical generator of claim 11 wherein: the first generator housing opening is formed in a first end panel of the enclosure and the second generator housing opening is formed in a second end panel of the enclosure; andwherein some of the air that is passed proximal to the engine or the alternator is used to provide cooling for other components of the electrical generator contained within the enclosure. 15. The electrical generator of claim 14 further comprising an exhaust system to exhaust emissions of the internal combustion engine, the exhaust system providing an exhaust path in which exhaust from the internal combustion engine is directed toward one or more openings formed in at least one of the side and end panels. 16. The electrical generator of claim 15 wherein the exhaust system includes a muffler flow coupled to an exhaust side of the internal combustion engine and an exhaust pipe flow coupled to the muffler, wherein the exhaust pipe includes an elongated body disposed laterally adjacent the muffler, wherein the elongated body has first and second outlets, each of which passes exhaust toward respective side panels, and wherein the elongated body is parallel to a plane of a base panel. 17. An electrical generator comprising: an engine and an alternator operatively associated with the engine to create electric power during operation of the engine;an enclosure for the engine and the alternator, the enclosure having a base panel, a roof panel, and a plurality of upright panels interconnected between the base panel and the roof panel, and wherein openings are formed in at least one of the upright panels;an engine and alternator cooling system configured to provide cooling air to the engine and the alternator, the cooling system providing a first cooling path in which air is drawn through a first opening formed in a first upright panel of the enclosure and is pulled downward proximal to the engine to provide cooling for the engine and providing a second cooling path in which air is drawn through a second opening formed in a second upright panel of the enclosure and is pulled downward from a location adjacent to the engine through the alternator to provide cooling for the alternator, the second cooling path being directed at least in part by an alternator housing arranged outwardly of the alternator and within the enclosure; and wherein: the alternator housing includes an inlet and an outlet communicating with an interior of the enclosure, the inlet being proximal to the engine for receiving air therein for cooling the alternator and the outlet being distal to the engine for releasing the air from the alternator housing into the enclosure prior to being discharged from the enclosure,wherein, in the second cooling path, air is released from the outlet of the alternator housing to the interior of the enclosure to provide cooling in the interior of the enclosure prior to being discharged from the enclosure; andsome of the air that is passed proximal to the engine or the alternator is used to provide cooling for other components of the electrical generator contained within the enclosure. 18. The electrical generator of claim 17 further comprising an exhaust system to exhaust emissions of the internal combustion engine, the exhaust system providing an exhaust path in which exhaust from the internal combustion engine is directed toward one or more openings formed in the upright panels. 19. The electrical generator of claim 18 wherein the exhaust system includes a muffler flow coupled to an exhaust side of the internal combustion engine and an exhaust pipe flow coupled to the muffler, wherein the exhaust pipe includes an elongated body disposed laterally adjacent the muffler, wherein the elongated body has first and second outlets, each of which passes exhaust toward respective upright panels, and wherein the elongated body is parallel to a plane of the base panel. 20. The electrical generator of claim 17 wherein the engine and the alternator are mounted to one another and in a vertical orientation such that the engine sits generally above the alternator.
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이 특허에 인용된 특허 (10)
Bracht Jeffrey L. (Sheboygan WI) Heinrich Martin W. (Cedar Grove WI) Van Maaren Richard D. (Sheboygan WI) Sleder Richard L. (Howards Grove WI), Cooling system for a compact generator.
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