[특허]Shock absorber

Fox Factory, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Shock absorber

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-009/06 F16F-009/34 B60G-015/12 F16F-009/346 B60G-015/06
출원번호	US-0488894 (2014-09-17)
등록번호	US-10183539 (2019-01-22)
발명자 / 주소	Marking, John Hamso, Vegard
출원인 / 주소	Fox Factory, Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 7

초록
▼

A shock absorber including: a first cylinder having an interior, first and second ends and defining an axis, wherein the interior includes a damping fluid chamber and a damping piston movably mounted therein for movement between the first and second ends, wherein the damping piston is mounted on a first end of a shaft, wherein the first end of the shaft is movably retained within the interior of the first cylinder; first and second bypass openings configured for opening into the damping fluid chamber at first and second axially spaced-apart positions; a bypass channel fluidly coupling the first and second bypass openings; a fluid metering valve; and a floating piston dividing a portion of the shock absorber into a gas chamber and the reservoir chamber, wherein the fluid metering valve and the floating piston define the reservoir chamber there between.

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청구항
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1. A shock absorber comprising: a first cylinder having an interior, first and second ends and defining an axis, wherein said interior comprises a damping fluid chamber and a damping piston movably mounted therein for movement between said first and second ends, wherein said damping piston is mounted on a first end of a shaft, wherein said first end of said shaft is movably retained within said interior of said first cylinder;first and second bypass openings configured for opening into said damping fluid chamber at first and second axially spaced-apart positions;a bypass channel fluidly coupling said first and second bypass openings;a fluid metering valve configured for metering fluid flowing between said damping fluid chamber and a reservoir chamber during any movement of damping piston and said shaft into said interior of said first cylinder in order to facilitate a dampening effect, said reservoir chamber and said fluid metering valve disposed within said first cylinder, said fluid metering valve further comprising: a compression piston having at least one passage formed therethrough;a shaft; anda set of shim stacks removably covering said at least one passage of said compression piston; anda floating piston dividing a portion of said first cylinder into a gas chamber and said reservoir chamber, wherein said fluid metering valve and said floating piston define said reservoir chamber there between. 2. The shock absorber of claim 1, wherein said damping piston is vented. 3. The shock absorber of claim 1, wherein said floating piston is in sliding engagement with an inner surface of said first cylinder for movement between said first and second ends, and wherein said fluid metering valve is mounted within said interior of said first cylinder. 4. The shock absorber of claim 1, wherein said floating piston is in sliding engagement with an inner surface of a second cylinder for movement between a first and a second end of said second cylinder, wherein said first cylinder and said second cylinder are in fluid communication, and wherein said fluid metering valve is mounted within said interior of said second cylinder. 5. The shock absorber of claim 1, further comprising: a third cylinder comprising: an interior comprising: an air spring chamber; anda second end of said shaft mounted within said interior, wherein said first cylinder is slidably engaged within said interior of said third cylinder via said shaft, wherein said first cylinder operates as an air spring piston relative to said air spring chamber of said third cylinder. 6. The shock absorber of claim 5, wherein said interior of said third cylinder further comprises: a set of coiled springs extending from a first end of said cylinder to a second end of said cylinder, wherein a coiled spring of said set of coiled springs provides resistance to a movement of said first cylinder during a compression of said shock absorber. 7. The shock absorber of claim 5, further comprising: a fitting configured for providing a sealable air channel from an outer surface of said third cylinder to said air spring chamber. 8. A shock absorber comprising: a cylinder comprising: a concentric cylinder bypass damper comprising: an interior comprising: a damping fluid chamber; anda set of bypass openings configured for providing damping while a portion of a fluid, within said damping fluid chamber of a first portion of said interior, flows through at least a bypass opening of said set of bypass openings to a second portion of said interior; anda damping piston mounted on a first end of a shaft, wherein said first end of said shaft is movably retained within said interior of said cylinder;a fluid metering valve and floating piston assembly coupled to said concentric cylinder bypass damper, said fluid metering valve and floating piston assembly comprising: a fluid metering valve configured for metering a second portion of said fluid there through during any movement of said damping piston and said shaft into said interior of said cylinder in order to facilitate a dampening effect, said fluid metering valve disposed within said cylinder, said fluid metering valve further comprising: a compression piston having at least one passage formed therethrough;a shaft; anda set of shim stacks removably covering said at least one passage of said compression piston; anda floating piston having a first side and a second side, said floating piston disposed within said cylinder, wherein a reservoir chamber is coupled to said first side and a gas chamber is coupled to said second side, wherein said floating piston and said fluid metering valve sandwich said reservoir chamber within said cylinder, and wherein said floating piston is configured for pressing into said gas chamber when said second portion of said fluid enters said reservoir chamber. 9. The shock absorber of claim 8, wherein said damping piston is vented. 10. The shock absorber of claim 8, wherein said set of bypass openings are disposed at a set of axially spaced-apart positions in a wall of said cylinder. 11. The shock absorber of claim 8 wherein said concentric cylinder bypass damper further comprises: a bypass channel fluidly coupling said set of bypass openings, wherein said bypass channel is disposed within cylindrical bypass channel of said cylinder. 12. The shock absorber of claim 8, further comprising: an air spring cylinder comprising: an air spring chamber within an interior of said air spring cylinder; anda shaft mount to which a second end of said shaft is retained, wherein said concentric cylinder bypass damper and said fluid metering valve/floating piston assembly are disposed in series with each other in said cylinder, and wherein said cylinder is slidably engaged within said interior of said air spring cylinder via said shaft, wherein said concentric cylinder bypass damper operates as an air spring piston relative to said air spring chamber of said air spring cylinder. 13. The shock absorber of claim 12, wherein said air spring chamber comprises: a set of coiled springs extending from a first end of said air spring chamber to a second end of said air spring chamber, wherein a coiled spring of said set of coiled springs provides resistance to a movement of said cylinder during a compression of said shock absorber. 14. The shock absorber of claim 12, further comprising: a fitting configured for providing a sealable air channel from an outer surface of said air spring cylinder to said air spring chamber.

이 특허에 인용된 특허 (7)

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특허 상세정보

Shock absorber

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Shock absorber

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이 특허에 인용된 특허 (7)

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