IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0745363
(2007-05-07)
|
등록번호 |
US-8277116
(2012-10-02)
|
발명자
/ 주소 |
- Winkler, Chad M.
- Wright, Matthew J.
- Mani, Mori
|
출원인 / 주소 |
|
대리인 / 주소 |
Klintworth & Rozenblatt IP LLC
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
13 |
초록
▼
In one embodiment of the disclosure, a fluid mixing device comprises a flow duct, with a wall having an inner surface defining a fluid flow path for a primary flow, and at least one deployable and retractable projection. The projection is adapted to controllably generate at least one secondary flow
In one embodiment of the disclosure, a fluid mixing device comprises a flow duct, with a wall having an inner surface defining a fluid flow path for a primary flow, and at least one deployable and retractable projection. The projection is adapted to controllably generate at least one secondary flow adjacent the inner surface. In other embodiments, methods are provided of controllably mixing at least one fluid within a fluid mixing device.
대표청구항
▼
1. A fluid mixing device comprising: a flow duct extending lengthwise along a longitudinal axis, the flow duct having a perimeter extending transversely to and around the longitudinal axis, the flow duct configured to provide a primary flow flowing along the longitudinal axis; andat least one deploy
1. A fluid mixing device comprising: a flow duct extending lengthwise along a longitudinal axis, the flow duct having a perimeter extending transversely to and around the longitudinal axis, the flow duct configured to provide a primary flow flowing along the longitudinal axis; andat least one deployable and retractable projection disposed within the flow duct at an angle which is non-perpendicular and non-parallel to the longitudinal axis and configured to, when deployed in a direction away from at least one wall of the flow duct, provide at least one secondary flow flowing transversely to the primary flow, the at least one secondary flow configured to bring fluid from the at least one wall of the flow duct to an inner portion, disposed apart from the at least one wall, of the flow duct and back from the inner portion of the flow duct towards the at least one wall of the flow duct. 2. The fluid mixing device of claim 1, wherein when the at least one projection is deployed in the direction away from the at least one wall, the at least one projection extends from said at least one wall towards the inner portion of said flow duct and controllably generates the at least one secondary flow, wherein a flow rate of the at least one secondary flow is substantially zero when the at least one projection is completely retracted against or within said at least one wall so that it does not project out of the at least one wall, and the flow rate of the at least one secondary flow increases the more the at least one projection is deployed in the direction away from said at least one wall. 3. The fluid mixing device of claim 1, wherein when the at least one projection is deployed in the direction away from the at least one wall, the at least one projection extends from at least one gap in said at least one wall towards the inner portion of said flow duct. 4. The fluid mixing device of claim 1, wherein the angle is greater than 0 and less than 90 degrees. 5. The fluid mixing device of claim 3, wherein when the at least one projection is retracted in a second direction towards the at least one wall, the at least one projection is configured to be substantially retained within the at least one gap in said at least one wall to reduce or eliminate the at least one secondary flow. 6. The fluid mixing device of claim 1, wherein said at least one deployable and retractable projection comprises at least one vane. 7. The fluid mixing device of claim 6, wherein said at least one vane extends in a helical path around the perimeter of the flow duct. 8. The fluid mixing device of claim 1, wherein the fluid mixing device comprises a plurality of deployable and retractable projections disposed around the perimeter of the flow duct and configured to, when deployed in directions away from the at least one wall of the flow duct, provide a plurality of secondary flows flowing transversely to the primary flow. 9. The fluid mixing device of claim 8, wherein said plurality of deployable and retractable projections are adapted to each individually be deployed away from the at least one wall and retracted towards the at least one wall, using at least one moving device for moving the deployable and retractable projections, in varying amounts in order to separately controllably generate flow rates of the plurality of secondary flows flowing transversely to the primary flow, with the separate flow rate of each secondary flow increasing the more the associated deployable and retractable projection is deployed in the direction away from said at least one wall. 10. The fluid mixing device of claim 8, wherein said plurality of deployable and retractable projections comprise a plurality of vanes arranged in a helical pattern around the perimeter of the flow duct. 11. The fluid mixing device of claim 8 wherein the plurality of deployable and retractable projections are oriented at differing locations and orientations around the perimeter of the flow duct. 12. The fluid mixing device of claim 11 wherein the plurality of deployable and retractable projections are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide a first secondary flow having a clockwise direction and provide a second secondary flow having a counterclockwise direction. 13. The fluid mixing device of claim 12 wherein the plurality of deployable and retractable projections are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide, in a orientations transverse to the longitudinal axis, the first secondary flow having the clockwise direction and the second secondary flow having the counterclockwise direction. 14. The fluid mixing device of claim 11 wherein the plurality of deployable and retractable projections are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide first and second secondary flows having clockwise directions. 15. The fluid mixing device of claim 14 wherein the plurality of deployable and retractable projections are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide, in orientations transverse to the longitudinal axis the first and second secondary flows. 16. The fluid mixing device of claim 11 wherein the plurality of deployable and retractable projections are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide first and second secondary flows having clockwise directions and provide third and fourth secondary flows having counterclockwise directions. 17. The fluid mixing device of claim 16 wherein the plurality of deployable and retractable projections are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide, in orientations transverse to the longitudinal axis, the first and second secondary flows having the clockwise directions and the third and fourth secondary flows having the counterclockwise directions. 18. The fluid mixing device of claim 1, wherein said flow duct has a clover-leaf shape having separate lobes, and a plurality of deployable and retractable projections are disposed in the lobes around the perimeter of the flow duct. 19. The fluid mixing device of claim 1 further comprising a plurality of axially spaced deployable and retractable projections arranged circumferentially around an inner surface of said at least one wall of said flow duct. 20. The fluid mixing device of claim 1, wherein said at least one deployable and retractable projection is connected to at least one of a motor or a solenoid for controlling deployment of said at least one deployable and retractable projection away from the at least one wall of said flow duct and for controlling retraction of said at least one deployable and retractable projection towards the at least one wall of said flow duct. 21. A fluid mixing device comprising: a flow duct extending lengthwise along a longitudinal axis, the flow duct having a perimeter extending transversely to and around the longitudinal axis, the flow duct configured to provide a primary flow flowing along the longitudinal axis; anda plurality of deployable and retractable projections disposed around the perimeter of the flow duct at at least one angle which is non-perpendicular and non-parallel to the longitudinal axis and configured to, when deployed in directions away from at least one wall of the flow duct, provide a plurality of secondary flows flowing transversely to the primary flow;wherein at least one of the plurality of secondary flows operates to bring fluid from the at least one wall of the flow duct to an inner portion, disposed apart from the at least one wall, of the flow duct and back from the inner portion of the flow duct towards the at least one wall of the flow duct. 22. The fluid mixing device of claim 21 wherein the plurality of deployable and retractable projections are disposed in a helical formation around the perimeter of the flow duct. 23. The fluid mixing device of claim 21 further comprising at least one moving device for deploying the plurality of deployable and retractable projections away from the at least one wall of the flow duct, and for retracting the plurality of deployable and retractable projections towards the at least one wall of the flow duct. 24. The fluid mixing device of claim 23 wherein the at least one moving device is at least one of a motor or a solenoid. 25. The fluid mixing device of claim 23 wherein the plurality of deployable and retractable projections are each separately adapted to be retracted and deployed, using the at least one moving device, in varying amounts to provide the plurality of secondary flows with varying flow rates. 26. The fluid mixing device of claim 25 wherein when the plurality of deployable and retractable projections are retracted within gaps of the flow duct there are no secondary flows, and when the plurality of deployable and retractable projections are deployed in the directions away from the at least one wall of the flow duct, the plurality of secondary flows flow transversely to the primary flow with the flow rates of the secondary flows increasing as the plurality of deployable and retractable projections move farther away from the at least one wall of the flow duct. 27. The fluid mixing device of claim 21 wherein the plurality of deployable and retractable projections disposed around the perimeter of the flow duct are configured to, when deployed in the directions away from the at least one wall of the flow duct, provide first and second secondary flows flowing clockwise and transversely to the primary flow, and provide third and fourth secondary flows flowing counter-clockwise and transversely to the primary flow.
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