[특허]Partial shroud with perforating for VIV suppression, and method of using

[미국특허] Partial shroud with perforating for VIV suppression, and method of using 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02D-005/60 B63B-034/44 F15D-001/10
출원번호	US-0645715 (2000-08-24)
발명자 / 주소	Allen, Donald W. Henning, Dean L.
출원인 / 주소	Shell Oil Company
대리인 / 주소	Gilbreth & Associates, P.C.
인용정보	피인용 횟수 : 16 인용 특허 : 10

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Apparatus and methods for environments subject to vortex induced vibration. The system includes a shroud having a number of perforations, with the shroud encircling the flowing-fluid element less than 100%. The system further includes a separation member for attaching the shroud to the flowing-fluid element. onary section and one of the second lifting cylinder and the valve needle that is operated by the second lifting cylinder. 6. The fuel injector according to claim 5, wherein: the first flexible section includes a first corrugated pipe, and the second flexible section includes a second corrugated pipe. 7. The fuel injector according to claim 5, wherein: the first flexible section and the first lifting cylinder enclose a first equalizing volume, and the second flexible section and the second lifting cylinder enclose a second equalizing volume. 8. The fuel injector according to claim 7, wherein: the first equalizing volume and the second equalizing volume communicate through bores in the first lifting cylinder and the second lifting cylinder. 9. A fuel injector, comprising: one of a piezoelectric actuator and a magnetostrictive actuator; a valve needle; a valve seat face; a valve closing body that can be operated by the one of the piezoelectric actuator and the magnetostrictive actuator by way of the valve needle and that cooperates with the valve seat face to form a sealing seat; and a hydraulic lifting device including a first lifting cylinder and a second lifting cylinder, wherein: the hydraulic lifting device is a subassembly that is hermetically sealed off from a valve interior, a housing of the hydraulic lifting device includes at least one section that is flexible in an axial direction, the first lifting cylinder and the second movable lifting cylinder are movable in opposite directions, and the first lifting cylinder and the second movable lifting cylinder are encapsulated in the housing of the hydraulic lifting device. 10. A fuel injector, comprising: one of a piezoelectric actuator and a magnetostrictive actuator; a valve needle; a valve seat face; a valve closing body that can be operated by the one of the piezoelectric actuator and the magnetostrictive actuator by way of the valve needle and that cooperates with the valve seat face to form a sealing seat; a hydraulic lifting device including a first lifting cylinder and a second lifting cylinder; and a closing spring secured between the first lifting cylinder and the second lifting cylinder, wherein: the hydraulic lifting device is a subassembly that is hermetically sealed off from a valve interior, and a housing of the hydraulic lifting device includes at least one section that is flexible in an axial direction. 11. A fuel injector, comprising: one of a piezoelectric actuator and a magnetostrictive actuator; a valve needle; a valve seat face; a valve closing body that can be operated by the one of the piezoelectric actuator and the magnetostrictive actuator by way of the valve needle and that cooperates with the valve seat face to form a sealing seat; and a hydraulic lifting device including a first lifting cylinder and a second lifting cylinder, wherein: the hydraulic lifting device is a subassembly that is hermetically sealed off from a valve interior, a housing of the hydraulic lifting device includes at least one section that is flexible in an axial direction, and the first lifting cylinder, the second lifting cylinder, and a stationary section of the hydraulic lifting device enclose a transfer volume filled with a hydraulic medium. 12. The fuel injector according to claim 11, wherein: a leakage gap that allows an equalization of the hydraulic medium is located between the housing of the hydraulic lifting device and at least one of the first lifting cylinder and the second lifting cylinder. ompensating air is provided over the surface of the air cap for improved coating. Isolation rings for reduction of electrical leakage are integrally formed in the body.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

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McMillan,David Wayne; Allen,Donald Wayne, Apparatus and methods for providing VIV suppression to a riser system comprising umbilical elements.
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McMillan, David Wayne; McDaniel, Richard Bruce, Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration.
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Bonilla Gris, Robi, Covering element for protecting structures against scouring and drag force.
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Brown, Andrew James, Device and method for suppressing vortex-induced vibrations.
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Branchut, Jean-Pierre; Middel, Michael, Hybrid riser towers and fabrication thereof.
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Allen,Donald Wayne; Henning,Dean Leroy; McMillan,David Wayne; McDaniel,Richard Bruce; Dupal,Kenneth, Smooth sleeves for drag and VIV reduction of cylindrical structures.
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Jaffrey, Andrew, Subsea equipment pendulum arrestor and method for its use.
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Somerville, David Michael Ruthven; Byrne, Nicholas W., Suppression of vortex induced vibration.
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Le Cunff, Cédric; Averbuch, Daniel; Klopffer, Marie Hélène, System and method for limiting vortex-induced vibrations on an offshore production riser.
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Masters, Rodney H.; Griffith, Billy L., Underwater device for ROV installable tools.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Partial shroud with perforating for VIV suppression, and method of using 원문보기

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[미국특허] Partial shroud with perforating for VIV suppression, and method of using 원문보기

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