[특허]Displacement element

[미국특허] Displacement element 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-005/00
출원번호	US-0602903 (2006-11-21)
등록번호	US7975994 (2011-06-28)
우선권정보	DE-2005-0 2005 056 005(2005-11-24)
발명자 / 주소	Born, Frank Massmann, Rainer Mintgen, Rolf Rennecke, Dirk Schwab, Wilhelm
출원인 / 주소	Stabilus GmbH
대리인 / 주소	Cohen Pontani Lieberman & Pavane LLP
인용정보	피인용 횟수 : 3 인용 특허 : 15

초록 ▼

A displacement element includes a first piston, a second piston, a cylindrical housing filled with a fluid under pressure, a piston rod, and a spring. Each of the pistons is adapted to the respective internal diameter of its section and divides the respective section into two pressure chambers. The first piston is arranged at one end of the piston rod, and both pistons each include means for damping the movement of the piston rod respectively in one direction. The second piston is arranged on the side of the first piston facing away from the piston rod and is capable of displacement by means of the first piston in a direction facing away from the open end. The spring is arranged on the side of the second piston facing away from the first piston, and supported by the second piston and the housing.

대표청구항 ▼

What is claimed is: 1. A displacement element, comprising:a cylindrical housing filled with a pressurized fluid and having a closed end and an open end, said cylindrical housing having first and second sections, said second section of said cylindrical housing having an internal diameter that is larger than an internal diameter of said first section;a first piston arranged in said cylindrical housing and connected to a axially displaceable piston rod which extends sealingly through said open end of said cylindrical housing, said first piston having a diameter adapted to a diameter of said first section for dividing said first section into two pressure chambers;a second piston arranged in said cylindrical housing on a side of said first piston facing away from said piston rod, said second piston having a diameter adapted to a diameter of said second section for dividing said second section into two pressure chambers, said second piston being displaceable by said first piston in a direction away from said open end, wherein said first piston is being arranged to damp movement in one axial direction and said second piston is arranged to damp movement in another axial direction, said second piston comprises tongues facing radially outward and toward said first piston on a side of said second piston facing said first piston, said tongues being spaced apart circumferentially and extend radially outwards beyond the internal diameter of said first section; anda spring supported between said second piston and said closed end of said cylindrical housing.

이 특허에 인용된 특허 (15) 인용/피인용 타임라인 분석

Reuschenbach Hermann (Neuwied DEX) Wirges Winfried (Koblenz DEX) Langanke Rolf (Boppard DEX), Cylinder-and-piston rod device.
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Oyaizu Hiroshi,JPX, Gas spring.
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Oyaizu Hiroshi,JPX, Gas spring.
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Seibert Karl (Koblenz NLX) Kaufmann Horst (Koblenz NLX), Gas spring having a plurality of pressure chambers arranged one behind another.
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Schnitzius Klaus (Rheinbrohl DEX), Gas spring with automatic locking mechanism.
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Bauer Hans-Peter (Altdorf DEX) Bauer Hans J. (Altdorf DEX) Stadelmann Ludwig (Altdorf DEX) Frisch Emil (Altdorf DEX), Gas spring with end position damping.
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Freitag Herbert (Koblenz-Metternich DEX) Schnitzius Klaus (Rheinbrohl DEX), Gas spring with means for impeding piston movement away from one terminal position.
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Reuschenbach Hermann (Neuwied DEX) Langanke Rolf (Boppard DEX), Gas spring with means for retaining piston adjacent one terminal position.
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Hahn Norbert (South Milwaukee WI), Hydraulic control device.
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Kunkel Ernst-Achim,DEX, Hydropneumatic spring.
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Grundei Manfred,DEX ; Reimer Hans,DEX ; Holzapfel Harald,DEX, Piston-cylinder aggregate with displacement-dependent dampening force field.
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Koch Klaus,DEX, Piston-cylinder unit having a sealing valve.
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Kaptanis ; Panoyotis, Pneumatic spring of adjustable length.
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Grundei Manfred (Niederwerrn DEX), Shock absorber with adjustable damping with controlled damping characteristics.
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Yamada Katsumi (Zama JPX) Hojima Toshinari (Yokohama JPX), Shock absorber with resiliently biased adjustment piston.
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이 특허를 인용한 특허 (3) 인용/피인용 타임라인 분석

Roychoudhury, Raj S.; Oldani, Raymond Anthony, Bellows spring damper.
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Smith, Justin D.; Dvorak, Austin Z.; Kane, Terrence J., Multi-stage shock absorber.
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Kull, James T.; Hartman, Patrick; Jolley, Alan, Systems and methods for piston assemblies.
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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] Displacement element 원문보기