[특허]Hydraulic-operating shock and vibration absorber and damper

[미국특허] Hydraulic-operating shock and vibration absorber and damper 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-009/342 C10M-005/02
출원번호	US-0255855 (1981-04-20)
발명자 / 주소	Lochner Kaspar (Karlsburgerstr. 61 Mnchen DEX)
인용정보	피인용 횟수 : 19 인용 특허 : 7

초록 ▼

The invention relates to a hydraulically-operating shock and vibration absorber or damper, having a cylinder closed at one end, a piston slidable within the cylinder, the piston being connected with a hollow piston rod extending out of the open end of the cylinder. The interior of the piston rod and the cylinder define a chamber filled with an incompressible damping fluid. A space is defined in the piston rod separated from the chamber by a slidable separating piston. The space contains a compressible agent. The damping fluid is pressed out of one portion the chamber, through the control port, into another portion when the shock absorber is under load. The compressible damping agent is air or gas under normal pressure or else pressurized. The imcompressible damping fluid consists of a non-Newtonian, permanently plastic, homogeneous paste of high heat-conducting capacity composed of graphite, a wetting agent, intrinsically viscous agent and polyglycol ether, polyglycol ester and/or a saturated, aromatic or aliphatic ester of caboxylic acid. Into the opening of the piston, a control pin extends which increases or decreases the cross section of the opening when the piston moves in and out.

대표청구항 ▼

Hydraulically-operated shock and vibration damper which includes a cylinder closed at one end having an interior, a piston which is slideable within the cylinder, said piston being provided with a control port and connected with a hollow piston rod having an interior and extending out of the open of the cylinder, a chamber defined by said interior of said cylinder, and the interior of the hollow piston rod filled with an incompressible damping fluid, and a slideable separating piston in said hollow piston rod defining a space separate from said chamber in which there is a compressible agent, the damping fluid being pressable out of one portion of the chamber, via the control port, another portion of the chamber bounded by the separating piston and compressing the space there behind when the shock absorber is under load, characterized in that the control port consists of a simple jet orifice formed by a through axial opening (11) in the piston (3) and a control pin (15) of varying diameter which extends into the opening of the piston, and in that the damping fluid is non-Newtonian, permanently plastic, homogeneous paste (8) of graphite, 0.1 to 8 wt. % wetting agent, 0.1 to 10 wt. % structural viscosity agent and 40 to 70 wt. % of a fluid selected from the group consisting of polyglycol ether, polyglycol ester, a saturated aromatic ester of carboxylic acid, and a saturated aliphatic ester of carboxylic acid, relative to the total weight of the paste (8).

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Stone Christopher Robin (Fulham EN) McGarry Brian Matthew Eugene (Kingston-on-Thames EN), Band ply dope compositions.
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Lucas William J. (Ridge Road ; R.R. No. 1 Birmingham MI 49436), Biodegradable internal combustion engine lubricants and motor fuel compositions.
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Kinoshita ; Hirotugu ; Sekiya ; Makoto ; Makino ; Nobuo, Brake grease compositions.
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Gute Loren R. (Dayton OH), Energy absorber with internal pressure relief valve.
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Dodson Stanley C. (Leatherhead GB2) Elliott Christopher M. (Twickenham GB2), Fire resistant grease.
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Lochner Kaspar (Karlsburger Str. 7b 8000 Mnchen DEX), Pasty damping agent dispersion.
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DeVries Donald L. (South Holland IL) DeJovine James M. (Homewood IL), Solid particles containing lubricating oil composition and method for using same.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Ricard Andre,FRX, Adjustable variable oleopneumatic shock-absorbing device.
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Salice, Luciano, Braking retardation apparatus for doors, windows or the like.
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Miesner John E., Compact low-inductance magnetorheological damper.
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Pyo, Chul Soo, Device for buffering the closing impact of furniture doors.
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Bartesch Hans-Georg (Grafenau DEX) Nickel Volker (Sindelfingen DEX) Mller Manfred (Deizisau DEX) Freitag Herbert (Koblenz DEX) Schnitzius Klaus (Rheinbrohl DEX), Gas spring for motor vehicle with retaining drive for preventing piston rod return toward its operational, outermost pos.
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Laszlo Perez DE, Hydraulic shock absorber for motor vehicles.
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Berthold Brian D., Hydraulic suspension unit.
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Berthold Brian D., Hydraulic suspension unit.
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Steinbach,Guido, Impact absorber.
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Smith, Kenneth D.; Manes, Enrico, Landing gear systems having shear-thickening and shear-thinning fluid responses.
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Smith, Michael R.; Stamps, Frank B., Method and apparatus for improved vibration isolation.
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Smith, Michael R.; Stamps, Frank B., Method and apparatus for improved vibration isolation.
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Saltsman Benjamin J ; Young Colin Jeffrey ; Lynch Michael James ; Stewart William M., Method of stabilizing valve lift-off in hydraulic shock absorbers.
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Lee Biing-Lin ; Hrusch Louis C., Microgel disersion for hydraulic apparatus and processes.
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Lin,Jung Hui, Noise control device for a steel door.
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Wang John (No. 129 ; Tuan-Chu Lane Tuan-Chu Li ; Chiayi City TWX), Return apparatus.
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Wiard Harold D. (Livonia MI), Shock absorber having nonadjustable metering.
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Kropp, Peter A.; Kluth, Peter, Stationary vibration isolation system and method for controlling a vibration isolation system.
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Lee, Taeoh; Smith, Michael R.; Stamps, Frank B.; Heverly, Jr., David E., Vibration isolation system.
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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] Hydraulic-operating shock and vibration absorber and damper 원문보기