[특허]Hydraulic shock absorber for vehicles

Hydraulic shock absorber for vehicles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-009/08 F16F-009/342
출원번호	US-0005970 (1979-01-24)
우선권정보	JP-0010949 (1978-02-01); JP-0012513 (1978-02-03); JP-0012515 (1978-02-03)
발명자 / 주소	Tomita Takao (Niiza JPX) Morita Isamu (Asaka JPX)
출원인 / 주소	Honda Giken Kogyo Kabushiki Kaisha (Tokyo JPX 03)
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

A hydraulic shock absorber including inner and outer tubes telescopically fitted together and an orifice variable in response to relative movement of the inner and outer tubes. A large diameter tubular holder is disposed coaxially around an upper portion of the outer tube to provide a space between the outer tube and the holder, the space being divided by a tubular partition membrane disposed coaxially in the space into a high-pressure gas chamber located outside of the membrane and a low-pressure gas chamber located inside of the membrane and communicating with an upper space within the outer tube. The shock absorber is of the hydraulically and pneumatically operated type, is simple in structure, and can be assembled with ease while maintaining a desired degree of performance. When the shock absorber is at the end of the extension stroke, there is a sufficient length of span between an outer tube sliding portion and an inner tube sliding portion between which the variable orifice is located so that even when the shock absorber is subjected to lateral bending forces, the orifice clearance is prevented from being varied or deformed, to ensure reliable and smooth operation of the shock absorber.

대표청구항 ▼

A hydraulic shock absorber for vehicles, comprising: an inner tube and an outer tube, said inner and outer tubes being telescopically fitted together; a tapered rod supported by said outer tube and extending vertically and axially therefrom, the diameter of said tapered rod progressively decreasing from a proximal end thereof to a distal end thereof; said inner tube including a partition member having a hole through which said tapered rod substantially loosely extends; an orifice angularly defined between said rod and said hole and variable in response to relative movement of said rod and hole; a piston provided on the distal end of said rod, and slidable with respect to said inner tube; a lower chamber defined below said piston, and a central chamber defined above said piston and below said partition member; said piston being provided with a valved portion adapted to open when said tubes relatively move in one direction to permit substantially full communication between said lower chamber and said central chamber, and adapted to operate to gain a damping force when said tubes relatively move in the opposite direction; said piston including a spacer which spaces said valved portion from a lower surface of said partition member when they abut against each other; a spacer member separate and distinct from said partition member disposed at an upper end of said inner tube and supported by said partition member for supporting thereon means for breaking up air bubbles passing upwardly and downwardly through said spacer member; a tubular holder coaxially disposed around an upper outer peripheral portion of said outer tube and having a diameter larger than the diameter of said outer tube; a partition membrane substantially vertically disposed between said holder and said outer tube and mounted substantially coaxially therewith, said partition membrane being fabricated of a substantially flexible and resilient material and being disposed so as to divide a space defined between said holder and said outer tube into a high-pressure gas chamber outside of said membrane and a low-pressure gas chamber inside of said membrane; and an upper portion of said outer tube being provided with a number of apertures through which said low-pressure chamber communicates with an upper space within said outer tube.

이 특허를 인용한 특허 (33)

Fox, Robert C., Damper with pressure-sensitive compression damping.
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Fox,Robert C., Damper with pressure-sensitive compression damping.
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Becker, William M., Damping cylinder with annular bladder.
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Vignocchi, Loris; Musiani, Sandro, Hydraulic or hydropneumatic shock absorber or telescopic suspension, equipped with built-in compensator, having small overall dimensions, easy to carry out and highly reliable.
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Tachikawa Junya,JPX, Hydraulic shock absorber.
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Perrault, David; Davis, Ivan, Load leveling emulsion suspension system.
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Karpik Gerard John, Long travel suspension for tracked vehicle.
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Karpik Gerard John (Eveleth MN), Long travel suspension for tracked vehicle.
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Wang, Ray, Method and system for spatial data input, manipulation and distribution via an adaptive wireless transceiver.
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Gartner, Bill J.; Lambert, Andrew Benjamin, Methods and apparatus for protecting a shock absorber from bottoming.
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de Molina Simon Anne,BEX ; Deferme Stefan,BEX, Passive anti-roll system.
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de Molina Simon Anne,BEX ; Deferme Stefan,BEX, Passive anti-roll system.
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Eriksson Magnus,SEX ; Fagrell Niklas,SEX ; Larsson Lennart,SEX, Shock absorber.
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Stephens Robert K. (Brookfield WI), Shock absorber and air spring assembly.
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Jeanson Henri R. (Fontenay Le Comte FRX), Shock absorber for vehicles with pneumatic suspension, more especially for heavy vehicles.
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Barefoot, Darek C.; Prinster, Eric; Winans, Scott, Shock absorber gas spring seal.
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Warinner Derek K., Shock absorber with hydraulic fluid control rod.
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Gerard J. Karpik, Snowmobile construction.
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Karpik, Gerard J., Snowmobile construction.
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Karpik, Gerard J., Snowmobile construction.
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Karpik, Gerard J., Snowmobile construction.
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Mallette, Bertrand; Karpik, Gerard J., Snowmobile suspension.
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Persicke Gunter (Gwynedd GB7) Child James R. (Clwyd GB7) Baker Peter F. (Gwynedd GB7), Vehicle suspension system.
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Karpik Gerard J. ; Karpik David J. ; Miers Scott A. ; Lehman Michael A., Vehicle suspension system with variable geometry.
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Karpik Gerard J. ; Karpik David J. ; Miers Scott A. ; Lehman Michael A., Vehicle suspension system with variable geometry.
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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

내보내기 구분	파일저장 인쇄 메일전송
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Hydraulic shock absorber for vehicles 원문보기

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Hydraulic shock absorber for vehicles 원문보기

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