[특허]Valving for a controllable shock absorber

[미국특허] Valving for a controllable shock absorber 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16K-005/10
출원번호	US-0799592 (1991-11-27)
발명자 / 주소	Wolfe Paul T. (North East PA) Schwemmer Leonard J. (North East PA) Prindle Donald R. (North East PA) Tidwell Charles B. (Durham NC)
출원인 / 주소	Lord Corporation (Erie PA 02)
인용정보	피인용 횟수 : 29 인용 특허 : 0

초록 ▼

A controllable shock absorber of the externally actuated type with greatly decreased valve response time. The shock absorber assembly utilizes valve rotation stops on the rotary valve for limiting the rotational motion of the valve. The valve is attached to a bendingly flexible control rod which is supported by a sealing and support assembly located down inside the piston rod, thus allowing easy assembly of the rotational motor by way of a bendingly alignable self-locating feature. The use of the one seal and support assembly further reduces the rotational forces needed to allow faster actuation of the valve. The valve actuation torque requirements have been further decreased by reducing the viscous drag on the valve body and reducing the inertia of the rotational valve assembly by hollowing out the valve. Performance robbing, side loading on the valve is minimized by using a at least two preferably symmetrical ports. Further reductions in friction are accomplished by using pressure-equalizing grooves on the valve body to reduce hydrodynamic axial loading on the valve body.

대표청구항 ▼

A rotary valve assembly which is actuated by a rotated means on a variable shock absorber, comprising: a) a piston rod having a hollow portion, a first end for attachment to a piston and a second end spaced apart from said first end for interconnecting to a component: b) a rotary valve means which is hollow inside, has at least one open end, at least two ports formed therein, and has rotation limiting means formed thereon for restricting the rotation of said rotary valve means within limits, said means for restricting rotation limiting movement to an angle of about 90°; and c) a control rod disposed within said hollow portion in said piston rod, said control rod being substantially smaller in diameter than said hollow portion in said piston rod, being pivotally attached to said rotary valve means, and having a support bearing located sufficiently far away from said second end of said piston rod, such that said control rod can bendingly align with the rotating means, said control rod having one end connected to said rotary valve means, and the other end connected to an output shaft of the rotating means.

이 특허를 인용한 특허 (29) 인용/피인용 타임라인 분석

Ivers Douglas E. ; St. Clair Kenneth A., Adaptive off-state control method.
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Hoffberg,Steven M.; Fisher,Ronald, Adaptively controlled footwear.
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Reid, Michael Adam; Brown, Irvine Cardno, Ball valve with sealing element.
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Marking, John, Bypass for a suspension damper.
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Marking, John, Bypass for a suspension damper.
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Marking, John, Compression isolator for a suspension damper.
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Marking, John, Compression isolator for a suspension damper.
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Marking, John, Compression isolator for a suspension damper.
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Carlson, J. David, Magnetically actuated motion control device.
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J. David Carlson, Magnetically actuated motion control device.
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Ericksen, Everet Owen; Cox, Christopher Paul; Tsiaras, Philip; Larson, Mark; Galasso, Mario; McLellan, Matt, Method and apparatus for an adjustable damper.
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Ericksen, Everet Owen; Fox, Robert C.; Marking, John, Method and apparatus for an adjustable damper.
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Ericksen, Everet Owen; O'Neal, George; McLellan, Matt, Method and apparatus for an adjustable damper.
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Ericksen, Everet; Fox, Robert C.; Batterbee, David; Marking, John, Method and apparatus for an adjustable damper.
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Ericksen, Everet; Fox, Robert C.; Batterbee, David; Marking, John, Method and apparatus for an adjustable damper.
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Galasso, Mario; Franklin, Joseph; Laird, Andrew; Fox, Robert C., Methods and apparatus for suspension adjustment.
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Haugen, David M., Methods and apparatus for suspension lock out and signal generation.
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Galasso, Mario; Franklin, Joseph; Laird, Andrew; Bass, Charles; Bavetta, Ryan, Methods and apparatus for suspension set up.
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Marking, John, Remotely operated bypass for a suspension damper.
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Laird, Andrew; Becker, William M., Suspension system.
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Carlson, J. David, System comprising magnetically actuated motion control device.
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Carlson, J. David; Wilder, Richard, System comprising magnetically actuated motion control device.
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Carlson,J. David, System comprising magnetically actuated motion control device.
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Ivers Douglas E. ; Carlson J. David ; Jolly Mark R. ; Chrzan Michael J. ; Prindle Donald R. ; St. Clair Kenneth A., Two-way magnetorheological fluid valve assembly and devices utilizing same.
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Ivers Douglas E. ; Carlson J. David ; Jolly Mark R. ; Chrzan Michael J. ; Prindle Donald R. ; St. Clair Kenneth A., Two-way magnetorheological fluid valve assembly and devices utilizing same.
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Peliks,Robert Bilgor; Suh,Nam P., Valve.
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Maeda, Atsushi, Valve apparatus.
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ILya Lisenker ; Patrick N. Hopkins, Vehicle suspension monotube strut base cup assembly.
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Rossetti Dino J. ; Hildebrand Stephen F. ; Quinn John J. ; Norris Mark A. ; Miller Lane R., Vibration control apparatus and method for calender rolls and the like.
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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] Valving for a controllable shock absorber 원문보기