IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0429815
(1999-10-29)
|
발명자
/ 주소 |
- Illingworth, Lewis
- Reinfeld, David
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
2 |
초록
▼
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor generates a vortical fluid flow generally in the form of a helical or spiral shaped flow. The fluid flow cr
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor generates a vortical fluid flow generally in the form of a helical or spiral shaped flow. The fluid flow creates a low pressure region extending from the impeller end of the device. This low pressure region is contained by the walls of the fluid flow, thus directing the attractive forces toward a surface and minimizing effects of ambient fluid on the system. When the surface is part of a stationary object, wall, floor or ceiling, the vortex attractor may move toward and adhere to the surface. When the surface is part of a movable object, the vortex attractor may attract the object and maintain the attracted position.
대표청구항
▼
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor generates a vortical fluid flow generally in the form of a helical or spiral shaped flow. The fluid flow cr
A vortex generating apparatus has the capability of attracting and removably adhering one or more solid objects. The apparatus comprises an impeller housed within a shell. The vortex attractor generates a vortical fluid flow generally in the form of a helical or spiral shaped flow. The fluid flow creates a low pressure region extending from the impeller end of the device. This low pressure region is contained by the walls of the fluid flow, thus directing the attractive forces toward a surface and minimizing effects of ambient fluid on the system. When the surface is part of a stationary object, wall, floor or ceiling, the vortex attractor may move toward and adhere to the surface. When the surface is part of a movable object, the vortex attractor may attract the object and maintain the attracted position. 137482, 19640600, Hackley, 366/013; US-3203631, 19650800, Jutila, 366/194; US-3260638, 19660700, Hoveland, 156/575; US-3576091, 19710400, Shull, Jr., 052/309; US-3707427, 19721200, Erickson; US-3807706, 19740400, Kugle et al., 366/051; US-3880701, 19750400, Moree, 156/526; US-3938786, 19760200, Bernold, 366/013; US-4105490, 19780800, Lass, 156/526; US-4147331, 19790400, Kopecky, 366/046; US-4208239, 19800600, Lass, 156/575; US-4309238, 19820100, Hauk, 156/575; US-4311274, 19820100, Neal; US-4469342, 19840900, Millard, 280/148; US-4587886, 19860500, Masuda, 091/415; US-4642158, 19870200, Stinel, 156/497; US-4652331, 19870300, Plasencia, 156/526; US-4689107, 19870800, Entwistle, 156/465; US-4707202, 19871100, Sweeny, 156/071; US-4775442, 19881000, Januska, 156/575; US-4828647, 19890500, Eccleston, 156/526; US-4941132, 19900700, Horn et al.; US-5013389, 19910500, Retti, 156/526; US-5137366, 19920800, Hill et al.; US-5230608, 19930700, Januska; US-5242495, 19930900, Hammond, 118/043; US-5352035, 19941000, Macaulay et al., 366/321; US-5727876, 19980300, Tynan; US-5902451, 19990500, O'Mara et al.; US-6053365, 20000400, O'Mara et al. sage hole, the first seal pipe having at its outer circumferential upper and lower surfaces swell portions, the swell portion on the upper side making a slidable contact with an inner circumferential surface of the second seal pipe, the swell portion on the lower side making a slidable contact with an inner circumferential surface of the fourth seal pipe, the second seal pipe having on its outer circumferential surface a projecting portion that abuts on the stepped portion of the blade ring steam passage hole, the third seal pipe being supported at its outer circumferential surface to the blade ring steam passage hole via a screw engagement and making at its inner circumferential surface a slidable contact with an outer circumferential surface of the second seal pipe, the fourth seal pipe having at its lower end a flange portion. 7. A gas turbine steam passage seal structure as claimed in claim 6, wherein the second seal pipe has its upper inner circumferential surface provided with a tapered projecting portion so that the first seal pipe at its swell portion on the upper side may abut on the tapered projecting portion to be prevented from moving more upwardly. 8. A gas turbine steam passage seal structure as claimed in claim 6, wherein the seal urging guide device of the blade ring steam passage hole is formed comprising the projecting portion of the second seal pipe that abuts on the stepped portion of the blade ring steam passage hole and the third seal pipe that is supported to the blade ring steam passage hole via the screw engagement so as to generate an urging force to press the second seal pipe downwardly. 9. A gas turbine steam passage seal structure as claimed in claim 6, wherein the seal urging guide device of the stationary blade steam passage hole is formed comprising the fourth seal pipe having the flange portion and a screw member as an independent member that is supported at its outer circumferential surface to the stationary blade steam passage hole via a screw engagement so as to generate an urging force to press the fourth seal pipe downwardly and makes at its inner circumferential surface a slidable contact with an outer circumferential surface of the fourth seal pipe. 10. A gas turbine steam passage seal structure as claimed in claim 1, wherein the cooling steam supply passage connection portion at its portion provided in the blade ring steam passage hole is constructed comprising a bellows member that is elongatable and contractible in the rotor radial direction and a control ring that is fitted into a recessed portion of an outer periphery of the bellows member so as to stably support the bellows member. 11. A gas turbine steam passage seal structure as claimed in claim 1, wherein the cooling steam supply passage connection portion at its portion provided in the blade ring steam passage hole is constructed comprising seal pipes provided at upper and lower ends thereof and a bellows member, provided therebetween, that is elongatable and contractible in the rotor radial direction. 12. A gas turbine steam passage seal structure as claimed in claim 1, wherein the cooling steam supply passage connection portion is constructed comprising a seal pipe and a bellows member connected to each other, the bellows member being elongatable and contractible in the rotor radial direction. 13. A gas turbine steam passage seal structure as claimed in claim 1, wherein the cooling steam supply passage connection portion is constructed comprising a plurality of seal pipes, a bellows member, that is elongatable and contractible in the rotor radial direction and is interposed between adjacent ones of the plurality of seal pipes and a bellows member, that is elongatable and contractible in the rotor axial direction and is interposed between other adjacent ones of the plurality of seal pipes. ction is to withstand the various loads exerted on the blade and maintain structural integrity of the blade, and a heat-transfer sheath that surrounds the outer surface of the structural member. A plurality of coolant passages are formed between the structural member and the heat-transfer sheath. Thus, when coolant is passed through the coolant passages, the heat transferred to the sheath from the hot gases passing through the turbine is in turn transferred to the coolant, which is then removed from the blade, thereby cooling the blade.
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