[특허]Manifold structure for re-directing a fluid stream

Dana Canada Corporation

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Manifold structure for re-directing a fluid stream

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28F-003/08 F28F-009/02 F28F-009/00 F28F-013/12 F28D-009/00
출원번호	US-0701658 (2015-05-01)
등록번호	US-10077952 (2018-09-18)
발명자 / 주소	Kenney, Benjamin A. Gerges, Ihab Edward Buckrell, Andrew
출원인 / 주소	Dana Canada Corporation
대리인 / 주소	Marshall & Melhorn,LLC
인용정보	피인용 횟수 : 0 인용 특허 : 32

초록
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A manifold structure for re-directing a fluid stream between first and second ends of a manifold cavity for delivering or discharging a fluid to or from a corresponding fluid transmitting device, such as a heat exchanger is disclosed. In particular, a a flow box enclosing a fluid transmitting device is disclosed wherein an incoming or outgoing fluid is re-directed between first and second directions when being delivered to or discharged from the enclosed fluid transmitting device In one embodiment, the manifold structure includes a first curved surface having a concave curvature for redirecting a fluid stream from a first direction to a second direction. In another embodiment, the manifold structure includes a second curved surface having a convex curvature that is disposed in facing, spaced-apart relationship to the first curved surface, the first and second curved surfaces together inducing swirling movement into the incoming or outgoing fluid stream.

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1. A manifold structure comprising: a first manifold cavity for receiving a fluid;a first fluid opening in fluid communication with said first manifold cavity, said first fluid opening having a flow axis oriented in a first direction, said first fluid opening located at a first end of said first manifold cavity for inletting or outletting said fluid to or from said first manifold cavity in said first direction;a second fluid opening in fluid communication with said first manifold cavity, said second fluid opening having a flow axis oriented in a second direction that is generally perpendicular to said first direction, said second fluid opening arranged at a second end of said first manifold cavity for inletting or outletting said fluid to or from said first manifold cavity in said second direction;a first curved surface forming a bottom portion of said first manifold cavity generally opposite to said first fluid opening having a concave curvature for redirecting the fluid flow from either said first or second direction to the other of said first or second direction;wherein said manifold structure forms part of a flow box for housing a fluid transmitting device, the flow box comprising: a base plate defining a generally central region for receiving said fluid transmitting device:a cover portion arranged on top of said base plate enclosing said fluid transmitting device, said cover portion having a first end and a second end, the cover portion and said base plate together forming said first manifold cavity at one end of said flow box and defining a second manifold cavity at an opposite end of said flow box, wherein said first fluid opening is formed in an upper surface of said cover portion in fluid communication with said first manifold cavity and said second fluid opening is formed in an end wall of said cover portion in fluid communication with said second manifold cavity:a flow passage interconnecting said first manifold cavity and said second manifold cavity, said fluid transmitting device being disposed in said flow passage:wherein said first curved surface forms part of the base plate forming a base end of said first manifold cavity generally opposite to said first fluid opening, said first curved surface having a first portion extending towards said first fluid opening and a second portion extending away from said first fluid opening towards the second end of said first manifold cavity defining said concave curvature therebetween, wherein: said first portion of said first curved surface is in the form of a protrusion extending towards and arranged centrally with respect to said first fluid opening; andsaid second portion of said first curved surface is in the form of a channel region surrounding said first portion, the channel region having upwardly sloped sidewalls extending away from said first portion, the channel region thereby having a concave curvature. 2. The manifold structure as claimed in claim 1, further comprising: a second curved surface formed within said first manifold cavity, wherein said second curved surface is spaced-apart from and generally opposite to said first curved surface, said second curved surface being arranged around said protrusion and having one of a concave curvature or a convex curvature. 3. The manifold structure as claimed in claim 2, further comprising: a manifold insert having a first end and a second end, and a central passage extending therebetween, said manifold insert being mounted within said first fluid opening and extending into said first manifold cavity such that said second end of said manifold insert is spaced-apart from said first curved surface; wherein said second end of said manifold insert defines said second curved surface arranged around and spaced-apart from said protrusion and having a convex curvature; and wherein said first and second curved surfaces cooperate for redirecting the fluid flow from said first direction to said second direction or vice versa. 4. The manifold structure as claimed in claim 1, wherein said first fluid opening is formed in said flow box and is arranged offset with respect to a central longitudinal axis of said fluid transmitting device. 5. The manifold structure as claimed in claim 1, wherein said fluid transmitting device is one of the following alternatives: a heat exchanger or a humidifier. 6. The manifold structure as claimed in claim 1, further comprising a flow diverting ramp disposed in said second manifold cavity for directing the fluid flow between said second manifold cavity and said second fluid opening. 7. The manifold structure as claimed in claim 1, wherein said base plate further comprises a peripheral rim extending upwardly away from the base plate, the peripheral rim extending around the periphery of the base plate inwardly disposed with respect to a peripheral edge bounding said base plate, the peripheral rim providing a sealing surface for forming a fluid tight seal with said cover portion. 8. A heat exchanger apparatus, comprising: a housing defining a first manifold cavity and a second manifold cavity and a flow passage interconnecting said first manifold cavity and said second manifold cavitya first fluid opening formed in said housing in fluid communication with said first manifold cavity and having a flow axis oriented in a first direction; a second fluid opening formed in said housing in fluid communication with said second manifold cavity and having a flow axis oriented in a second direction;a heat exchanger located within the flow passage between the first manifold cavity and the second manifold cavity, the heat exchanger having a plurality of first fluid channels for transmitting a first fluid therethrough in said second direction, and a plurality of second fluid channels for transmitting a second fluid therethrough, the heat exchanger having a first end in fluid communication with said first manifold cavity and a second end in fluid communication with said second manifold cavity;a first curved surface forming a base end of said first manifold cavity generally opposite to said first fluid opening, said first curved surface having a first portion extending towards said first fluid opening and a second portion extending away from said fluid inlet and defining a concave curvature therebetween;wherein said first curved surface is a flow diverting surface for redirecting the first fluid flow between one of said first fluid opening or said second fluid opening and the other of said first fluid opening and said second fluid opening from said first or second direction to the other of said first or second direction for transmission to or from said first fluid channels of said heat exchanger; and wherein:said first portion of said first curved surface is in the form of a protrusion extending towards and arranged centrally with respect to said first fluid opening; andsaid second portion of said first curved surface is in the form of a channel region surrounding said first portion, the channel region having an upwardly sloped sidewall extending away from said first portion, the channel region thereby having a concave curvature. 9. The heat exchanger apparatus as claimed in claim 8, further comprising: a second curved surface formed in said first manifold cavity, spaced-apart from and generally opposite to said first curved surface and arranged so as to encircle the first portion of said first curved surface and having one of a convex curvature or a concave curvature. 10. The heat exchanger apparatus as claimed in claim 9, further comprising: a manifold insert having a first end and a second end, and a central passage extending therebetween, said manifold insert being mounted within said first fluid opening and extending into said first manifold cavity such that said second end of said manifold insert is spaced-apart from said first curved surface;wherein said second end of said manifold insert defines said second curved surface, said second curved surface having a convex curvature; and wherein said first and second curved surfaces cooperate for redirecting the first fluid flow from said first direction to said second direction or vice versa. 11. The heat exchanger apparatus as claimed in claim 8, wherein said housing comprises: a base plate defining said first curved surface and a central, generally planar portion for receiving said heat exchanger;a cover portion arranged on top of said base plate enclosing said heat exchanger, the cover portion having a first end and a second end, the base plate and the cover portion together forming said first manifold cavity and said second manifold cavity;wherein said first fluid opening is formed in a top surface of said cover portion and arranged offset with respect to a central longitudinal axis of said heat exchanger proximal to a corner of said first end of said heat exchanger; andwherein said first end of said cover portion is contoured around said first fluid opening and tapers outwardly from said first fluid opening to an adjacent corner of the first end of said heat exchanger. 12. The heat exchanger apparatus as claimed in claim 8, wherein said housing comprises: a base plate defining said first curved surface and a central, generally planar portion for receiving said heat exchanger;a cover portion arranged on top of said base plate enclosing said heat exchanger, the cover portion having a first end and a second end, the base plate and the cover portion together forming said first manifold cavity and said second manifold cavity;wherein said cover portion further comprises a plurality of peripheral ribs arranged at spaced apart intervals along a length of the cover portion, said peripheral ribs protruding inwardly about said heat exchanger for preventing bypass flow around a periphery of the heat exchanger within the flow passage of said housing; andwherein said base plate further comprises a peripheral rim extending upwardly away from the base plate, the peripheral rim extending around the periphery of the base plate inwardly disposed with respect to a peripheral edge bounding said base plate, the peripheral rim providing a sealing surface for providing a fluid tight seal with said cover portion. 13. The heat exchanger apparatus as claimed in claim 12, wherein said first fluid opening is formed in a top surface of said cover portion and arranged generally in line with a central longitudinal axis of said heat exchanger; and wherein said first end of said cover portion is dome shaped and cooperates with said first curved surface for re-directing the first fluid flow along said first and second directions through said first manifold cavity, said heat exchanger further comprising:a manifold insert having a first end and a second end, and a central passage extending therebetween, said manifold insert being mounted within said first fluid opening and extending into said first manifold cavity such that said second end of said manifold insert is spaced-apart from said first curved surface;wherein said second end of said manifold insert defines a second curved surface generally opposed to said first curved surface, said second curved surface having a convex curvature; andwherein said first and second curved surfaces and said dome-shaped first end of said cover portion cooperate for redirecting the first fluid flow through said first manifold cavity between said first and second directions through a swirl or loop of about 270 degrees. 14. The heat exchanger apparatus as claimed in claim 8, wherein: said heat exchanger is a conical heat exchanger; and wherein said housing comprises: a base plate defining said first curved surface; anda cover portion arranged on top of said base plate enclosing said conical heat exchanger, said cover portion having a first end and a second end;wherein said base plate further comprises a curved support bed area for receiving a corresponding curved outer surface of the conical heat exchanger, the heat exchanger being arranged intermediate said first and second ends of said cover portion on said curved support bed. 15. The heat exchanger apparatus as claimed in claim 8, further comprising a control device mounted on said housing in fluid communication with said first fluid opening for controlling flow to or from said first fluid opening and said first manifold cavity. 16. The manifold structure as claimed in claim 5, wherein said heat exchanger is self-enclosing.

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Manifold structure for re-directing a fluid stream

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