[특허]Latch for a hydroprocessing vessel and method relating thereto

Latch for a hydroprocessing vessel and method relating thereto 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-019/00 B01D-003/32
출원번호	US-0283400 (2011-10-27)
등록번호	US-8697002 (2014-04-15)
발명자 / 주소	Naunheimer, Christopher Sattar, Aziz
출원인 / 주소	UOP LLC
대리인 / 주소	Willis, Mark R
인용정보	피인용 횟수 : 0 인용 특허 : 20

초록 ▼

One exemplary embodiment may be a latch for a hydroprocessing vessel. The latch may include an elongated substantially cylindrical shaft, a helical pawl coupled to the elongated substantially cylindrical shaft, and a grip coupled to the elongated substantially cylindrical shaft. Usually, the grip fo

대표청구항 ▼

1. A hydroprocessing vessel, comprising: A) an enclosure defining an interior volume;B) at least one internal structure comprising a support ring;C) a member comprising a tray, wherein the tray is adapted to be installed and removed from the vessel; andD) a latch comprising an elongated substantially cylindrical shaft coupled to a helical pawl for engaging and disengaging the tray from the support ring,wherein the helical pawl extends no more than about 120 degrees around a circumference of the elongated substantially cylindrical shaft; andwherein the helical pawl is adapted to slide against an underside of the support ring to secure the tray to the support ring. 2. The vessel according to claim 1, wherein the at least one internal structure further comprises a beam. 3. The vessel according to claim 2, wherein a gasket is positioned between the beam and the tray. 4. The vessel according to claim 2, wherein the tray further comprises one or more downcomers. 5. The vessel according to claim 1, wherein the helical pawl extends no more than about 100 degrees around a circumference of the elongated substantially cylindrical shaft. 6. The vessel according to claim 1, wherein the helical pawl has a rise of no more than about 30 degrees. 7. The vessel according to claim 1, wherein the latch further comprises a grip forming a protrusion for indicating engagement or disengagement of the latch. 8. A method of latching tray to a support ring of a hydroprocessing vessel, comprising: coupling a helical pawl of a latch to the support ring, wherein the latch further comprises an elongated substantially cylindrical shaft coupled to the helical pawl, wherein the helical pawl has a first position disengaged with the support ring and a second position engaged with the support ring, wherein the helical pawl forms at least a portion of a helix extending no more than about 120 degrees around a circumference of the elongated substantially cylindrical shaft, and wherein the helical pawl is adapted to slide against an underside of the support ring to secure the tray to the support ring. 9. The method according to claim 8, wherein the tray comprises one or more downcomers. 10. The method according to claim 8, wherein the helical pawl forms at least a portion of a helix extending no more than about 100 degrees around a circumference of the elongated substantially cylindrical shaft. 11. The method according to claim 8, wherein the elongated cylindrical shaft is coupled to a grip forming a polygon having at least three sides and adapted to be engaged by a tool. 12. The method according to claim 11, wherein the grip forms a hexagon adapted to be engaged by a wrench.

이 특허에 인용된 특허 (20)

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Vickers, James H., Key operated latch with combined rotational and translational latching action.
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Howard Curtis E. (Humble TX) Calvin Douglas G. (Houston TX), Methods and steam samplers with inertial latch.
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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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Latch for a hydroprocessing vessel and method relating thereto 원문보기

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Latch for a hydroprocessing vessel and method relating thereto 원문보기

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