[특허]Flexible pressure-energized joint

Flexible pressure-energized joint 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-017/035
출원번호	US-0243322 (1994-05-16)
발명자 / 주소	Halling Horace P. (Sykesville MD) Simon Mark (Redmond WA)
출원인 / 주소	EG&G Pressure Science, Inc. (Beltsville MD 02)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

A fluid-tight coupling and sealing arrangement including a flexible joint for coupling a tube with pressurized fluid flowing therethrough to another tube or a fluid device. The flexible joint basically includes a first tubular member with an outer restraining member coupled thereto, a second tubular member, and a pressure-energized seal positioned between the first and second tubular members. The first tubular member has a first fluid passageway and a first annular sealing surface. The second tubular member has a second fluid passageway, a second annular sealing surface, and an outwardly facing bearing surface. The outer restraining member carries an inwardly facing bearing surface for engaging the outwardly facing bearing surface of the second tubular member. In some embodiments, the bearing surface of the outer restraining member is integrally formed therewith, while in other embodiments, the bearing surface is formed by a separate bearing ring such as a carbon-graphite insert carried by the outer restraining member. Also, in some embodiments, the outer restraining member is fixedly coupled to the first tubular member, while in other embodiments, the outer restraining member is releasably coupled to the first tubular member.

대표청구항 ▼

A flexible pressure-energized joint, comprising: a first tubular member having a first annular sealing surface and a first fluid passageway arranged about a first longitudinal axis; a second tubular member having a second annular sealing surface spaced from said first annular sealing surface to form a seal receiving area, an outwardly facing bearing surface in the form of a first spherically shaped surface, and a second fluid passageway arranged about a second longitudinal axis for fluid communication with said first fluid passageway; an outer restraining member coupled to said first tubular member to form an annular cavity for movably receiving and retaining therein a portion of said second tubular member with said outwardly facing bearing surface to prevent axial separation of said first and second tubular members, said outer restraining member carrying an inwardly facing bearing surface in the form of a second spherically shaped surface for engaging said outwardly facing bearing surface of said second tubular member to allow rotational and angular movements therebetween; and a pressure-energized seal positioned in said seal receiving area between said first and second annular sealing surfaces of said first and second tubular members, said pressure-energized seal being constructed of a thin metallic foil for metal engagement with said first and second sealing surfaces of said first and second tubular members, said pressure-energized seal including an annular bight, a first annular leg extending from said bight for engaging said first sealing surface of said first tubular member, and a second annular leg extending from said bight for engaging said second sealing surface of said second tubular member, said second annular leg being spaced from said first annular leg to form an annular space in fluid communication with at least one of said first and second passageways, one of said first and second annular legs slidably engaging one of said first and second sealing surfaces during rotational and angular movements between said first and second tubular members.

이 특허를 인용한 특허 (31)

Miyamoto, Mamoru; Noda, Masaru, Annular seal member for use in spherical exhaust pipe joint, and production method thereof.
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Berengut, Vadim; Moore, Arthur Lyman; Rivera, Louis; Tate, Wilford R., Ball joint apparatus and method of fabrication.
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Akimoto Noriaki,JPX, Combination of pipes and gasket for connection thereof.
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Leroy, Vincent, Composite exhaust manifold.
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Hartig,G��nther; Williams,Steve, Connection of two pipes and sealing ring for the connection.
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Horton, Bradley; Roe, Thomas O., Dual purpose clamp for securing aftertreatment housing joints.
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Fernandes Leslie (Tujunga CA), Flexible duct joint having a low leakage, pressure-balanced bellows seal.
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Nyhus, Daniel A., Flexible ducting system including an articulable sealed joint.
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Nyhus, Daniel A., Flexible ducting system including an articulable sealed joint.
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French, Hugh N., Flexible slide joint.
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Olver, Bryan W., Fluid conduit coupling with leakage detection.
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England, Diane M.; Kelly, Sean M.; Mukerjee, Subhasish, Fuel cell stack having foil interconnects and laminated spacers.
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England,Diane M., Gasket material for a fuel cell.
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Molina, Arnold, Gravity drained, waste management mechanism.
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Dallas, L. Murray; McGuire, Bob; Artherholt, Danny Lee, High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same.
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Dallas, L. Murray; McGuire, Bob; Artherholt, Danny Lee, High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same.
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Dallas,L. Murray; McGuire,Bob; Artherholt,Danny Lee, High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same.
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Dallas,L. Murray, Metal ring gasket for a threaded union.
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Miyamoto, Mamoru; Noda, Masaru, Method for producing an annular seal member for use in spherical exhaust pipe joint.
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Hasz Wayne Charles ; Thompson Anthony Mark ; Borom Marcus Preston, Method of providing wear-resistant coatings, and related articles.
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Wayne Charles Hasz ; Anthony Mark Thompson ; Marcus Preston Borom, Method of providing wear-resistant coatings, and related articles.
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Halling, Horace P., Multiple-ply resilient seal.
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Halling, Horace P., Multiple-ply resilient seal.
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Halling Horace P., Multiple-ply resilient sealing ring.
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Swensen, Jeffrey; Rowland, Stephen, Pressure energized metallic seal.
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Swensen,Jeffrey; Rowland,Stephen, Pressure energized metallic seal.
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Twardawski, Harald; Luft, Thomas, Quick-fitting coupling.
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Halling, Horace P., Resilient seals with inflection regions and/or PLY deformation.
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Halling Horace P., Resilient seals with inflection regions and/or ply deformations.
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Feldmann, Manfred; Sangl, Janine, Sealing element of an axial turbomachine.
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Drost, Jason; Schellin, Robert, Spherical flange joint.
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Flexible pressure-energized joint 원문보기

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