[특허]Anti-rotation wiper ring

Anti-rotation wiper ring 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/18
출원번호	US-0819089 (1992-01-09)
발명자 / 주소	Gaucher John J. (Windham NH) Van Vleet Frank (Andover MA) Shannon Daniel (Washington PA)
출원인 / 주소	A. W. Chesterton Company (Stoneham MA 02)
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

An anti-rotation wiper ring for mounting in a pump equipment gland concentrically to the equipment pump rod, the ring having a wiper lip for preventing debris from being carried on the rod retracting within the equipment. Structure prevents the ring from rotating inwardly toward the rod and possibly outwardly thereafter out of the pump. In one embodiment, the wiper ring flange is held in the gland receiver groove via an anti-rotation anchor on the flange bottom surface mating with a gland locking groove on the bottom surface of the gland receiver groove. Alternatively or additionally, a stabilizer device is formed on the ring ID and prevents the ring\s inward rotation. The stabilizer has standoffs to allow the passing rod to glide by while a recession above the standoffs reduces drag. Reliefs between the standoffs harmlessly pass any pressure which may escape the pump piston seal. A static seal keeps a potential leakage path closed in between the wiper ring OD and gland receiver groove ID.

대표청구항 ▼

An anti-rotation wiper ring for mounting in a receiver groove in a gland of an equipment having a rod which is selectively displaceable into or out of the equipment along a longitudinal axis, the rod having an outer diameter and the wiper ring being mountable thereover at an inner diameter of the ring, the gland and the wiper ring being mounted concentrically to the rod, the wiper ring comprising a flange for selectively and detachably mounting in the gland receiver groove, the flange having a generally radially extending bottom surface and a generally radially extending top surface, and a wiper lip which extends radially inwardly and axially upwardly from the flange top surface to the wiper ring inner diameter, the wiper lip being for skimming debris from the surface of the rod as it is retracted into the equipment, and anti-rotation means for preventing rotation of the ring out of the receiver groove toward the rod surface, the anti-rotation means being formed on the flange bottom surface and out of plane with the plane of the flange bottom surface and being selectively detachable from the gland receiver groove. A method for preventing rotation of a wiper ring out of a receiver groove formed in a sidewall wall of a piston chamber of a pump equipment gland, the gland being for mounting the wiper ring concentrically to an axially displaceable piston rod of the equipment, the wiper ring having a lip formed by the conjunction of its inner and top surfaces for skimming debris from the surface of the rod as the rod retracts axially into the equipment, the method comprising the step of providing an anti-rotation device on the ring for selectively detachable cooperation with an anti-rotation structure formed within the receiver groove for preventing rotation of the ring out of the receiver groove toward the rod surface, further including the step of forming the anti-rotation device on the ring bottom surface and out of plane with the plane of the ring bottom surface.

이 특허를 인용한 특허 (22)

Lanteigne Eddy R. ; Chalker Dwain L. ; Rudd Terrance W. ; Schumacher Roger R., Cylinder piston rod guide.
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Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G., Floating rod seal for a stirling cycle machine.
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Hanlon Paul C., Fluid cooled packing case member for compressors and other machinery.
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Kuchheuser, Werner, Guide for the piston rod of a piston-cylinder assembly.
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Lannie Dietle ; Manmohan S. Kalsi, Hydrodynamic packing assembly.
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Langenfeld, Christopher C.; Bhat, Prashant; Bhat, Mithun R.; Kamen, Dean, Linear cross-head bearing for stirling engine.
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Andrews, Stephen J., Mechanical seal system.
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Eddy R. Lanteigne ; Dwain L. Chalker ; Terrance W. Rudd ; Roger R. Schumacher, Method of manufacturing a cylinder piston rod guide.
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Guccione, Ray; Marcis, Richard, Reciprocating drive mechanism with a spool vent.
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Dietle, Lannie Laroy; Gobeli, Jeffrey D., Rotary seal with supported inlet.
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Cargill, Edward James, Seal assembly for limiting movement of a seal within a seal housing.
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Friend Anthony D. ; Kiesel Mark J., Shaft wiper seal.
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Jacobs Paul J. (Arlington MA) Shaud Ronald J. (Reading PA), Shock-absorbing tool handle.
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Jacobs Paul J. ; Shaud Ronald J., Shock-absorbing tool handle.
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Dietle, Lannie L.; Schroeder, John E., Stabilizing geometry for hydrodynamic rotary seals.
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Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G.; Smith, III, Stanley B.; Werner, Christopher M., Stirling cycle machine.
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Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G.; Smith, III, Stanley B.; Werner, Christopher M.; Peretz, David J.; Yoo, Brian H.; Winkler, Felix, Stirling cycle machine.
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Langenfeld, Christopher Charles; Bhat, Prashant, Stirling cycle machine.
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Gasper, Mark A.; Klingbeil, David M., Wear compensating plunger-and-barrel seal for hydraulic fuel injectors.
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Friend, Anthony David, Wiper seal.
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Friend, Anthony David; Arianoutsos, Steven Louis; Ferrero, Bart James, Wiper seal.
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Guccione, Ray; Marcis, Richard, Zero emission reciprocating drive pump.
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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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연합인증

Anti-rotation wiper ring 원문보기

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Anti-rotation wiper ring 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (22)

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