[특허]Split seat gate valve

[미국특허] Split seat gate valve 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-003/02
출원번호	US-0532954 (1990-06-04)
발명자 / 주소	Owens Brian S. (Hancock WI) Kimpel Alvin A. (Edgerton WI)
출원인 / 주소	Warman International, Inc. (02)
인용정보	피인용 횟수 : 15 인용 특허 : 23

초록 ▼

A gate valve assembly has two aligned and connected body housing members which each have a gate slot above a through passage which is above a seat portion slot. Gaskets are compressed by the body housing members to form a liquid-tight seal along the valve sides. Two resilient valve liners are fitted between and compressed by the body housing members. Each valve liner has a body with a planer front face and a cylindrical through passage which extends through the liner body. A seat portion extends downwardly from the body of each liner and increases in thickness as it extends from the body. The valve liners are compressed within the body housing members such that the planar front faces are adjacent one another and the seat portions are compressed within the seat portion slots to produce a tight seal along the bottom of the valve assembly. A packing filled chamber at the top of the assembly forms a tight seal at the top of the valve. An imperforate gate is slideable through the gate slots to alternatively obstruct and permit fluid flow through the valve. The seat portions extend to the bottom of the valve such that particles trapped between the seat portions may be expelled from the valve between the seat portions.

대표청구항 ▼

A gate valve assembly having a top, a bottom, and two sides, comprising: (a) two body housing members having coaxial through passages and means connecting the members together in end-to-end relation, the housing members having portions defining a gate slot for admitting a gate between the housing members and a seat portion slot located beneath the through passages and the gate slot; (b) resilient sealing means located between the body housing members and compressed by the body housing members to form a liquid-tight seal on the two sides of the valve; (c) two resilient valve liners fitted within the housing members, each valve liner having a body with a cylindrical through passage and a generally cylindrical outer surface which engages within the through passage of a housing member, a planar front face and a seat portion which extends downwardly from the body and which increases in thickness as it extends from the body, the seat portion having a front surface which extends from the front face of the body, wherein the valve liners are adjacent one another within the housing members such that the planar front faces of the valve liners are adjacent and contacting one another and the seat portions are compressed within the seat portion slots to form a tight seal along the bottom of the valve, and the liner cylindrical passages are aligned; (d) a packing chamber formed by the two housing members above the valve liners and filled with a compressible packing material; (e) an imperforate gate slidable through the gate slot formed between the two housing members between a valve open position wherein the gate does not block fluid flow through the aligned valve liner passages and a valve closed position wherein the gate passes between the valve liners and is engaged by the valve liners in fluid-tight contact to prevent any fluid flow; and (f) a packing compressor extending into the packing chamber and compressing the packing material therein to form a liquid-tight seal around the gate, the packing compressor having an opening to permit the gate to slidably pass through the compressor, wherein the packing material, the resilient sealing means, and the seat portions form a liquid tight seal in both the valve open and valve closed positions, and wherein the seat portions extend to the bottom of the valve such that particles trapped between the seat portions may be expelled from the valve between the seat portions.

이 특허에 인용된 특허 (23) 인용/피인용 타임라인 분석

Dreyer Paul L. (608 Elm Rd. Allentown PA 18104) Rarick Russell F. (215 E. Mifflin St. Orwigsburg PA 17961), Flexible seals for sliding blade dampers.
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Barbe Pierre L. (Toul FRX) Depoisson Jean P. (Pont-A-Mousson FRX), Gate valve.
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Clarkson Curtis W. (Palo Alto CA), Gate valve.
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Clarkson Curtis W. (Reno NV) Koll Larry F. (Reno NV), Gate valve.
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King Nolan D. (Portland OR) Bowman Jeffrey M. (Portland OR), Gate valve.
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McDonald Paul D. (624 Laurel Lane Lakeland FL 33803), Gate valve.
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McKavanagh Thomas P. (Aurora CAX), Gate valve.
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Stalder Hans (Eschenbach CHX) Sidler Hans (Eschenbach CHX), Gate valve.
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Stalder Hans (Eschenbach CHX) Sidler Hans (Eschenbach CHX), Gate valve construction.
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Clarkson Curtis W. (Reno NV) Koll Larry F. (Reno NV), Gate valve with lock ring.
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Still Robert C. (Tucson AZ), Gate valve with replaceable liner.
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Still Robert C. (Tucson AZ), Gate valve with replaceable liner.
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Mayhew ; Jr. John D. (3633 Poplar Drive ; SW. Roanoke VA 24018), Knife gate valve.
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King Nolan D. (Portland OR), Knife gate valve with semi-hard, resilient seat.
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Paptzun George J. (Portland OR) Hall Collin C. (Oregon City OR) Bullwinkle Benjamin B. (Portland OR), Lined gate valve having improved seat.
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Clarkson Curtis W. (Palo Alto CA), Packingless gate valve and actuator assemblies.
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Clarkson Curtis W. (Palo Alto CA), Packingless gate valve and actuator assemblies.
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Clifford Walter A. (906 Golf View Tampa FL 33629), Ported gate valve.
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Still ; Robert C., Replaceable one piece liner for a gate valve.
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Allen Clayton H. (651 Concord Ave. Cambridge MA 02138), Retaining fluids.
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Raftis George S. (Pittsburgh PA), Sealing arrangement for knife gate valves.
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Mayhew John (Salem VA), Throttling gasket insert for use with knife gate valve.
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Fowler James M. (Missouri City TX) Morrison Bertram L. (Houston TX), Two piece composite valve seal ring construction.
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이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

Schlegel David J. ; Fye Edward H., Cavityless gate valve.
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Clarkson Curtis W. ; Williams Nicholas J., Gate valve.
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Paez, Ricardo, Gate valve for controlling the passage of liquid.
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Harlow, Grant; Wiggington, Randall, Gate valve with streamlined flow.
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Jon T. Stone ; Torrey G. Sipos ; Douglas R. Dole, Knife gate valve.
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Comstock,John Paul; Powell,Jody W., Knife gate valve with multi-piece elastomer liner and/or o-rings at flange interface.
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Blease, Kevin J.; Weston, Richard R., Loop seal for knife gate valve.
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Kelley, John D.; Moore, Kirk W., Lubrication system for a gate valve.
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Phillips, David L.; Mir, Ashfaq M.; Naval, Jr., Rufino, Method for replacing seals in recreational vehicles gate valves without removing valve housing from plumbing.
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Kato, Fumio; Sakakibara, Yoshio, Slide gate valve for powder and granular material.
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Fletcher, David E.; Graichen, Brian M.; Gilmer, Matthew C.; Hampton, Keith, Sprung gate valve.
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Clatot, Raphaël, System for separating two equipment items each having a chamber tightly linked to that of the other one.
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Tepman Avi ; Lowrance Robert B., Two-piece slit valve insert for vacuum processing system.
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Weide, Kristopher, Valve assembly having a unitary valve sleeve.
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Wincek,Christopher P., Valve diaphragm with a compression restraining ring, and valve including same.
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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] Split seat gate valve 원문보기

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이 특허에 인용된 특허 (23) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

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[미국특허] Split seat gate valve 원문보기

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이 특허에 인용된 특허 (23) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

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