[특허]Combination check-overpressure relief valve

[미국특허] Combination check-overpressure relief valve 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-017/18
출원번호	US-0168981 (1980-07-14)
발명자 / 주소	Atkinson Gordon E. (Yellow Springs OH)
출원인 / 주소	Vernay Laboratories, Inc. (Yellow Springs OH 02)
인용정보	피인용 횟수 : 47 인용 특허 : 1

초록 ▼

A combination check-overpressure relief valve includes a cylindrical main body portion defining a flow path through the valve and terminating in a curved lip portion having a radius of curvature extending perpendicularly to the flow path. The curved lip portion has a normally closed slit formed through it which opens to flow in one direction but checks flow in an opposite direction until a certain pressure is exceeded, at which the valve relieves to allow flow in the opposite direction. The valve will thereafter automatically reset to its original checking position once the pressure has dropped sufficiently. If desired the pressures at which flow can occur through the valve may be increased by providing the valve with stiffening ribs projecting radially outwardly of the main body portion.

대표청구항 ▼

A combination check-overpressure relief valve comprising: a substantially cylindrical main body portion having a central longitudinal axis and defining a flow path through said valve, said cylindrical main body portion terminating at one end thereof in a lip portion, said lip portion having a curved contour about an axis of curvature extending substantially perpendicularly to said flow path, said contour being in a cross section contained within a first plane parallel to said central axis, said lip portion having a squared-off contour in a second cross section contained within a second plane being parallel to said central axis and not parallel to said first plane, at least one normally closed slit formed along said squared-off contour, and said main body and lip portions being formed of an elastomeric material which allows flow through said slit in a first direction at pressures in excess of a first pressure, checks flow through said slit in a second direction opposite to said first direction at pressures below a second pressure, permits relif flow through said slit in said second direction, and resets said slit to its normally closed position when flow pressure in said second direction drops to a value below said second pressure.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Mitchell Clarence I. (Xenia OH), Two-way check valve.
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이 특허를 인용한 특허 (47) 인용/피인용 타임라인 분석

Glowa Michael P. ; Berman Phillip J., Arthroscopic cannula with fluid seals.
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Atkinson Gordon E. (Yellow Springs OH), Bi-directional pressure relief valve.
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Armstrong, Kenneth K.; Foggetti, Vito; Peterson, Charles R.; Quinones, Albert A., Bleed back control assembly.
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Becker, Neil M.; Armstrong, Kenneth K.; Clarke, Duncan; Colvan, William P.; Haldeman, Paul; Peterson, Charles R.; Quinones, Albert A.; Thompson, Gary; Wilson, Bruce; Wilson, Victor; Tarver, LaShun D., Bleed back control assembly and method.
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Neil M. Becker ; Kenneth K. Armstrong ; Duncan Clarke ; William P. Colvan ; Paul Haldeman ; Charles R. Peterson ; Albert A. Quinones ; Gary Thompson ; Bruce Wilson ; Victor Wilson ; LaShun , Bleed back control assembly and method.
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Grifka, Timothy K.; Hilbig, Bradley D.; Kueffner, Anthony M; Learman, Paul S., Carburetor fuel pump.
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Brown,Paul E.; Socier,Timothy R., Dispensing valve.
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Winsor, Chris; Dikeman, W. Cary; Smith, Larry C., Intravascular valve component with improved valve positioning.
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Jepson Steven C. ; Dudar Thomas E. ; Montanez Rodrigo A. ; Bindokas Algirdas J. ; Finley Michael J. ; White Jason J. ; Summer Camille ; Ding Samuel ; Daniels Lewis E., Needleless connector.
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Jepson Steven C. ; Dudar Thomas E. ; Montanez Rodrigo A. ; Bindokas Algirdas J. ; Finley Michael J. ; White Jason J. ; Summers Camille, Needleless connector.
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Jepson, Steven C.; Dudar, Thomas E.; Montanez, Rodrigo A.; Bindokas, Algirdas J.; Finley, Michael J.; White, Jason J.; Summers, Camille, Needleless connector.
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Jepson, Steven C.; Dudar, Thomas E.; Montanez, Rodrigo A.; Bindokas, Algirdas J.; Finley, Michael J.; White, Jason J.; Summers, Camille; Ding, Yuan Pang Samuel; Daniels, Lewis E., Needleless connector.
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Steven C. Jepson ; Thomas E. Dudar ; Rodrigo A. Montanez ; Algirdas J. Bindokas ; Michael J. Finley ; Jason J. White ; Camille Summer ; Samuel Ding ; Lewis E. Daniels, Needleless connector.
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Harding, Weston F.; Brown, Carolyn E.; Christensen, Kelly D.; Miner, Tom M.; Sonderegger, Ralph L., Needleless luer access connector.
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Atkinson Gordon E. (Cedarville OH) Bailey James C. (Yellow Springs OH), Normally closed duckbill valve assembly.
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Nordgren, Greg, Outdwelling slit valves and assemblies for medical liquid flow through a cannula and related methods.
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Bruno,Robert H.; Toro,Joseph, Paint brush with asymmetric handle.
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Blanchard, Daniel B.; Powers, Kelly B.; Barron, William R., Pressure activated proximal valves.
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Blanchard, Daniel B.; Powers, Kelly B.; Barron, William R., Pressure activated proximal valves.
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Duncan Richard K. (Yellow Springs OH) Russell Norton A. (Yellow Springs OH), Valve assembly.
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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] Combination check-overpressure relief valve 원문보기