[특허]Air flow system for an enclosed portable generator

Generac Power Systems, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Air flow system for an enclosed portable generator

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01P-001/02 F02B-063/04
출원번호	US-0962604 (2015-12-08)
등록번호	US-10060343 (2018-08-28)
발명자 / 주소	Boutot, Jonathan R. Adams, Chad A. Soto, Joel B.
출원인 / 주소	Generac Power Systems, Inc.
대리인 / 주소	Boyle Fredrickson, S.C.
인용정보	피인용 횟수 : 0 인용 특허 : 15

초록
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An airflow system for an enclosed portable generator is provided that efficiently cools internal components by collecting an airflow and directing the entire airflow past a heat generating component such as an inverter module assembly before releasing the airflow in an unrestricted manner into an open interior space of the portable inverter generator. The airflow system includes an intake plenum system with a plenum body configured to collect and concentrate a volume of air as an intake airflow and to damp sound emission from a front side of housing of t...

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1. An airflow system for an enclosed portable generator having a housing with interconnected walls defining an open interior space therein enclosing an internal combustion engine providing torque converted to electrical power by the enclosed portable generator and a heat generating component producing heat during conversion of the engine provided torque into electrical power, the airflow system comprising: an intake plenum system directing an intake airflow into the enclosure for cooling an inverter module assembly, the intake plenum system including a plenum body having, an intake end defining an intake opening corresponding to an intake plenum system point of entry receiving air through at least one of the interconnected walls of the enclosure into the intake plenum system as the intake airflow;an outlet end arranged downstream of the intake end and including an outlet opening corresponding to an intake plenum system point of exit delivering the intake airflow out of the intake plenum system substantially unrestricted into the open interior space of the housing; andan inverter module assembly duct having an input communicating with the input end and an outlet defining the outlet end of the plenum body; wherein: the inverter module assembly has a first side isolated from the inverter module assembly duct and an opposite second side communicating with and partially defining the inverter module assembly duct; anda substantial entirety of the intake airflow passes through the inverter module assembly duct and over the second side of the inverter module assembly to cool the inverter module assembly. 2. The airflow system of claim 1 wherein the heat generating component is the inverter module assembly producing AC (alternating current) power and operably connected to an alternator driven by the engine provided torque. 3. The airflow system of claim 2 wherein the plenum body intake opening is misaligned with respect to the inverter module assembly. 4. The airflow system of claim 3 wherein the plenum body intake opening is arranged at the at least one of the interconnected walls of the housing at a position that is height staggered with respect to the inverter module assembly. 5. The airflow system of claim 4 wherein the interconnected walls of the housing includes a bottom wall and the plenum body intake opening is arranged relatively farther from the bottom wall of the housing than the inverter module assembly. 6. The airflow system of claim 2 wherein substantially all of the air in the open interior space of the housing enters the open interior space of the housing through the intake plenum system. 7. The airflow system of claim 2 wherein the plenum body includes: an inlet duct defining the intake end of the plenum body and extending from the plenum body intake opening toward the inverter module assembly; andthe inverter module assembly duct extending from the inlet duct toward the open interior space of the housing. 8. The airflow system of claim 7 wherein the inlet duct and the inverter module assembly duct are arranged at a non-perpendicular angle with respect to each other. 9. The airflow system of claim 8 wherein at least a portion of the inlet duct extends angularly with respect to the inverter module assembly. 10. The airflow system of claim 8 wherein at least a portion of the inverter module assembly duct extends parallel with respect to the inverter module assembly. 11. The airflow system of claim 10 wherein the inverter module assembly duct includes a first wall segment arranged substantially parallel to a first surface of the inverter module assembly and a second wall segment arranged substantially parallel to a second surface of the inverter module assembly. 12. The airflow system of claim 7 wherein the first side of the inverter module assembly faces toward the open interior space of the housing and the second side of the inverter module assembly faces away from the open interior space of the housing, and wherein the inverter module assembly duct covers the second side of the inverter module assembly and includes an outer wall segment transversely spaced from the second side of the inverter module assembly restricting flow of the intake airflow between the second side of the inverter module assembly and the outer wall segment of the inverter module assembly duct and to flow longitudinally with respect to the second side of the inverter module assembly. 13. The airflow system of claim 12 wherein the inverter module assembly duct includes side wall segments extending from the outer wall segment of the inverter module assembly duct toward and overlapping at least a portion of the inverter module assembly, wherein the inverter module assembly is at least partially nested within the inverter module assembly duct. 14. The airflow system of claim 7 wherein the interconnected walls of the housing includes a front wall, and the inlet duct includes an inlet duct inner wall segment connected to the inverter module assembly and an inlet duct outer wall segment connected to the housing front wall. 15. An airflow system for an enclosed portable generator having a housing with interconnected walls defining an open interior space therein enclosing an internal combustion engine providing torque converted to electrical power by the enclosed portable generator and a heat generating component producing heat during conversion of the engine provided torque into electrical power, the airflow system comprising: an intake plenum system directing an intake airflow into the enclosure for cooling an inverter module assembly, the intake plenum system including a plenum body having, an intake end defining an intake opening corresponding to an intake plenum system point of entry receiving air through at least one of the interconnected walls of the enclosure into the intake plenum system as the intake airflow; andan outlet end arranged downstream of the intake end and including an outlet opening corresponding to an intake plenum system point of exit delivering the intake airflow out of the intake plenum s stem substantially unrestricted into the oven interior space of the housing; wherein: the heat generating component is the inverter module assembly producing AC (alternating current) power and operably connected to an alternator driven by the engine provided torque;the plenum body includes: an inlet duct defining the intake end of the plenum body and extending from the plenum body intake opening toward the inverter module assembly; andan inverter module assembly duct defining the outlet end of the plenum body and extending from the inlet duct toward the open interior space of the housing;the interconnected walls of the housing includes a front wall, and the inlet duct includes an inlet duct inner wall segment connected to the inverter module assembly and an inlet duct outer wall segment connected to the housing front wall; andthe inlet duct includes side wall segments extending from the inner wall segment collectively defining a channel with a channel opening between the inlet duct side wall segments, and wherein the inlet duct outer wall segment is removably received between the inlet duct side wall segments spanning across the channel opening when the housing front wall is removably connected to the remainder of the housing. 16. The airflow system of claim 15 wherein the housing front wall has an outwardly facing surface and includes a pocket recessed into the outwardly facing surface of the housing front wall toward the open interior space of the housing, and wherein at least a portion of the housing front wall pocket defines the inlet duct outer wall segment. 17. The airflow system of claim 16 wherein the housing front wall pocket includes a pocket upper wall extending angularly from a perimeter extending about an opening of the housing front wall pocket facing away from the open interior space of the housing, and wherein the pocket upper wall extends generally parallel to and spaced from the inlet duct inner wall segment. 18. The airflow system of claim 15 wherein the inlet duct side wall segments have outer ends relatively further from the open interior space of the housing and inner ends relatively closer to the open interior space of the housing, and wherein the inlet duct side wall segments extend angularly toward each other from the outer ends toward the inner ends reducing a width dimension of the channel from the outer ends toward the inner ends of the inlet duct side wall segments.

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특허 상세정보

Air flow system for an enclosed portable generator

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Air flow system for an enclosed portable generator

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이 특허에 인용된 특허 (15)

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IPC 상세정보(version : 201201)

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