[특허]Water vaporizer with intermediate steam superheating pass

Modine Manufacturing Company

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Water vaporizer with intermediate steam superheating pass

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28D-007/10 F28F-009/22
미국특허분류(USC)	165/154; 165/155
출원번호	US-0939081 (2007-11-13)
등록번호	US-8171985 (2012-05-08)
발명자 / 주소	Valensa, Jeroen Kimmel, Adam Reinke, Michael
출원인 / 주소	Modine Manufacturing Company
대리인 / 주소	Michael Best & Friedrich LLP
인용정보	피인용 횟수 : 1 인용 특허 : 24

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The present invention provides a water vaporizer including a first flow path connected to a water inlet, a second flow path for receiving superheated water vapor from the first flow path and being connected to a vapor outlet to exhaust the superheated water vapor, and a third flow path extending between an exhaust inlet and an exhaust outlet and being oriented to transfer heat from an exhaust flow to the superheated water vapor. The water vaporizer can also include a first convoluted fin positioned along the second flow path, and a second convoluted fin positioned along the second flow path adjacent to and separated from the first fin to define a gap extending between the first and second fins along a length of the first fin in a direction substantially parallel to the exhaust flow along the third flow path.

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1. A water vaporizer comprising: a first flow path connected to a water inlet;a second flow path for receiving superheated water vapor from the first flow path and being connected to a vapor outlet to exhaust the superheated water vapor;a third flow path extending between an exhaust inlet and an exhaust outlet and being oriented to transfer heat from an exhaust flow to the superheated water vapor;a first convoluted fin positioned along the second flow path; anda second convoluted fin positioned along the second flow path adjacent to and separated from the first fin to define a gap extending between the first and second fins along a length of the first fin in a direction substantially parallel to the exhaust flow along the third flow path, wherein the gap is located in the second flow path. 2. The water vaporizer of claim 1, wherein the first fin is operable to transfer heat from the exhaust flow to the superheated water vapor traveling along the second flow path, and wherein the second fin is arranged interior of the first fin for transferring heat from the superheated water vapor traveling along the second flow path to a flow traveling along the first flow path. 3. The water vaporizer of claim 1, further comprising a housing supporting a pair of concentric walls, which at least partially define the second flow path, and wherein the first fin extends inwardly from one of the pair of concentric walls and the second fin extends outwardly from an other of the pair of concentric walls. 4. The water vaporizer of claim 3, wherein the first fin is secured to the one of the pair of concentric walls and the second fin is secured to the other of the pair of concentric walls. 5. The water vaporizer of claim 1, wherein the water inlet and the vapor outlet are substantially aligned along a common axis substantially perpendicular to an axis extending between the exhaust inlet and outlet. 6. The water vaporizer of claim 1, wherein the first, second, and third flow paths are substantially coaxial. 7. The water vaporizer of claim 1, wherein a width of the gap defined between the first and second fins is no greater than a distance between adjacent convolutions of the first fin. 8. The water vaporizer of claim 1, wherein the flow of exhaust along the third flow path is counter to a flow of the superheated water vapor along the adjacent second flow path. 9. The water vaporizer of claim 8, wherein the flow of superheated water vapor along the second flow path is counter to a flow along the adjacent first flow path. 10. The water vaporizer of claim 1, wherein the second flow path is positioned between the first and third flow paths such that heat is transferred from the exhaust flow in the third flow path to the superheated water vapor in the second flow path and from the superheated water vapor in the second flow path to a flow in the first flow path. 11. A water vaporizer comprising: a first flow path connected to a water inlet;a second flow path for receiving water vapor from the first flow path and being connected to a vapor outlet to exhaust the water vapor;a third flow path extending between an exhaust inlet and an exhaust outlet, the first, second, and third flow paths being substantially concentric;a first convoluted fin extending into the second flow path for transferring heat from a flow of exhaust traveling along the third flow path to the water vapor traveling along the second flow path; anda second convoluted fin extending into the second flow path and being arranged interior of the first fin for transferring heat from the water vapor traveling along the second flow path to a flow traveling along the first flow path;wherein the second convoluted fin is separated from the first convoluted fin to define a gap, wherein the gap is positioned in the second flow path. 12. The water vaporizer of claim 11, wherein the gap extends between the first and second fins along a length of the first fin in a direction substantially parallel to an exhaust flow along the third flow path. 13. The water vaporizer of claim 11, further comprising a housing supporting a pair of concentric walls, which at least partially define the second flow path, and wherein the first fin extends inwardly from one of the pair of concentric walls and the second fin extends outwardly from an other of the pair of concentric walls. 14. The water vaporizer of claim 13, wherein the first fin is secured to the one of the pair of concentric walls and the second fin is secured to the other of the pair of concentric walls. 15. The water vaporizer of claim 11, wherein the water inlet and the vapor outlet are substantially aligned along a common axis substantially perpendicular to an axis extending between the exhaust inlet and outlet. 16. The water vaporizer of claim 11, wherein a width defined between the first and second convoluted fins is no greater than a distance between adjacent convolutions of the first fin and no greater than a distance between adjacent convolutions of the second fin. 17. The water vaporizer of claim 11, wherein the flow of exhaust along the third flow path is counter to the flow of water vapor along the second flow path. 18. The water vaporizer of claim 11, wherein the flow of water vapor along the second flow path is counter to the flow along the first flow path. 19. The water vaporizer of claim 11, wherein the second flow path is positioned between the first and third flow paths such that heat is transferred from the flow of exhaust in the third flow path to the water vapor in the second flow path and from the water vapor in the second flow path to the flow in the first flow path. 20. A water vaporizer comprising: a first flow path connected to a water inlet;a second flow path for receiving superheated water vapor from the first flow path and being connected to a water vapor outlet to exhaust a superheated water vapor;a third flow path extending between an exhaust inlet and an exhaust outlet; anda convoluted fin extending into the second flow path for transferring heat from a flow of exhaust traveling along the third flow path to a flow traveling along one of the first and second flow paths, the convoluted fin having a first plurality of crests and a second plurality of crests opposite the first plurality of crests, the first plurality of crests defining a plurality of valleys between adjacent crests of the first plurality of crests, the second flow path having a bypass around the fin such that the plurality of valleys are in fluid communication with each other;wherein a width of the bypass along a length of the second flow path in a direction substantially parallel to the flow of exhaust along the third flow path is no greater than a width between adjacent convolutions of the fin. 21. The water vaporizer of claim 20, wherein the fin is a first fin operable to transfer heat from the flow of exhaust traveling along the third flow path to the water vapor traveling along the second flow path, and further comprising a second convoluted fin arranged interior of the first fin for transferring heat from the water vapor traveling along the second flow path to a flow traveling along the first flow path. 22. The water vaporizer of claim 21, further comprising a housing supporting a pair of concentric walls, which at least partially define the second flow path, and wherein the first fin extends inwardly from one of the pair of concentric walls and the second fin extends outwardly from an other of the pair of concentric walls. 23. The water vaporizer of claim 22, wherein the first fin is secured to the one of the pair of concentric walls and the second fin is secured to the other of the pair of concentric walls. 24. The water vaporizer of claim 20, wherein the water inlet and the vapor outlet are substantially aligned along a common axis substantially perpendicular to an axis extending between the exhaust inlet and outlet. 25. The water vaporizer of claim 20, wherein the first, second, and third flow paths are substantially coaxial. 26. The water vaporizer of claim 20, wherein the flow of exhaust along the third flow path is counter to a flow of water vapor along the adjacent second flow path. 27. The water vaporizer of claim 26, wherein the flow of water vapor along the second flow path is counter to the flow along the adjacent first flow path. 28. The water vaporizer of claim 20, wherein the second flow path is positioned between the first and third flow paths such that heat is transferred from the exhaust flow in the third flow path to the water vapor in the second flow path and from the water vapor in the second flow path to the flow in the first flow path.

이 특허에 인용된 특허 (24)

이 특허를 인용한 특허 피인용횟수: 1

Horek, Jon; Wilson, Michael J.; Voss, Mark. Heat recovery system and method. USP2013078495859.

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Water vaporizer with intermediate steam superheating pass

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