Exhaust device including elastically deformable annular member and vehicle with exhaust device
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01N-001/02
출원번호
UP-0743046
(2007-05-01)
등록번호
US-7810610
(2010-11-01)
우선권정보
JP-2006-127218(2006-05-01)
발명자
/ 주소
Nishimura, Hidehiro
Suzuki, Hiromi
Shimoishi, Manabu
출원인 / 주소
Yamaha Hatsudoki Kabushiki Kaisha
대리인 / 주소
Keating & Bennett, LLP
인용정보
피인용 횟수 :
3인용 특허 :
24
초록▼
A muffler for a vehicle, such as a scooter type motorcycle, comprises an inner tubular member and an outer tubular member. An inner surface of the outer tubular member faces an outer surface of the inner tubular member. A ring shaped or annular member is positioned between the outer surface of the i
A muffler for a vehicle, such as a scooter type motorcycle, comprises an inner tubular member and an outer tubular member. An inner surface of the outer tubular member faces an outer surface of the inner tubular member. A ring shaped or annular member is positioned between the outer surface of the inner tubular member and the inner surface of the outer tubular member. The annular member has a substantially hollow cross section and is elastically deformable in a direction perpendicular to a longitudinal axis of the inner tubular member and the outer tubular member.
대표청구항▼
What is claimed is: 1. An exhaust device for a vehicle, comprising: a first tubular member; a second tubular member, wherein an inner surface of the second tubular member faces an outer surface of the first tubular member; an annular member positioned between the outer surface of the first tubular
What is claimed is: 1. An exhaust device for a vehicle, comprising: a first tubular member; a second tubular member, wherein an inner surface of the second tubular member faces an outer surface of the first tubular member; an annular member positioned between the outer surface of the first tubular member and the inner surface of the second tubular member, wherein the annular member includes a generally hollow cross section and is elastically deformable in a direction perpendicular to a longitudinal axis of the first tubular member and the second tubular member, and wherein the annular member is rotatable about a central axis of the cross section such that the annular member can move by rotation relative to the outer surface of the first tubular member and the inner surface of the second tubular member; and at least one movement regulating member arranged to regulate movement of the annular member, the at least one movement regulating member defining a boundary of a range within which the annular member can move by rotation in a direction along the longitudinal axis of the first tubular member and the second tubular member; wherein the at least one movement regulating member is defined by a deformation in one of the outer surface of the first tubular member and the inner surface of the second tubular member. 2. The exhaust device of claim 1, wherein the annular member and at least one of the outer surface of the first tubular member and the inner surface of the second tubular member contact one another along substantially only a circumferential line of contact. 3. The exhaust device of claim 1, wherein an outer surface of the annular member defines a generally circular cross-sectional shape. 4. The exhaust device of claim 3, wherein the annular member is a wound coil member constructed of a metal material formed into an annulus. 5. The exhaust device of claim 4, wherein the wound coil member is an extension coil spring. 6. The exhaust device of claim 4, wherein the coil member includes a first end and a second end, wherein an external diameter of the second end is smaller than an external diameter of the first end, wherein the second end is inserted within the hollow cross section of the first end to define the annular member. 7. The exhaust device of claim 6, wherein the external diameter of the first end of the coil member is substantially equal to an external diameter of a section of the coil member located between the first end and the second end. 8. The exhaust device of claim 1, wherein the range within which the annular member can move is a length equal to or greater than a length of an outer circumference of the annular member. 9. The exhaust device of claim 1, wherein the deformation includes a protrusion that is integrally formed in at least one of the outer surface of the first tubular member and the inner surface of the second tubular member, and a height of the protrusion is less than a height of the annular member in the direction perpendicular to the longitudinal axis of the first tubular member and the second tubular member. 10. The exhaust device of claim 1, wherein the at least one movement regulating member comprises a first movement regulating member that is positioned on a first side of the annular member in a direction along the longitudinal axis of the first tubular member and the second tubular member, and a second regulating member that is positioned on a second side of the annular member opposite the first side. 11. A vehicle, comprising: an engine; an exhaust device comprising an exhaust pipe and a muffler, the muffler comprising: a first tubular member; a second tubular member, wherein an inner surface of the second tubular member faces an outer surface of the first tubular member; an annular member positioned between the outer surface of the first tubular member and the inner surface of the second tubular member, wherein the annular member includes a generally hollow cross section and is elastically deformable in a direction perpendicular to a longitudinal axis of the first tubular member and the second tubular member, and wherein the annular member is rotatable about a central axis of the cross section such that the annular member can move by rotation relative to the outer surface of the first tubular member and the inner surface of the second tubular member; and at least one movement regulating member arranged to regulate movement of the annular member, the at least one movement regulating member defining a boundary of a range within which the annular member can move by rotation in a direction along the longitudinal axis of the first tubular member and the second tubular member; wherein the at least one movement regulating member is defined by a deformation in one of the outer surface of the first tubular member and the inner surface of the second tubular member. 12. The vehicle of claim 11, wherein the annular member and at least one of the outer surface of the first tubular member and the inner surface of the second tubular member contact one another along substantially only a circumferential line of contact. 13. The vehicle of claim 11, wherein an outer surface of the annular member defines a generally circular cross-sectional shape. 14. The vehicle of claim 13, wherein the annular member is a wound coil member constructed of a metal material formed into an annulus. 15. The vehicle of claim 14, wherein the wound coil member is an extension coil spring. 16. The vehicle of claim 14, wherein the coil member includes a first end and a second end, wherein an external diameter of the second end is smaller than an external diameter of the first end, wherein the second end is inserted within the hollow cross section of the first end to define the annular member. 17. The vehicle of claim 16, wherein the external diameter of the first end of the coil member is substantially equal to an external diameter of a section of the coil member located between the first end and the second end. 18. The vehicle of claim 11, wherein the range within which the annular member can move is a length equal to or greater than a length of an outer circumference of the annular member. 19. The vehicle of claim 11, wherein the deformation includes a protrusion that is integrally formed in at least one of the outer surface of the first tubular member and the inner surface of the second tubular member, and a height of the protrusion is less than a height of the annular member in the direction perpendicular to the longitudinal axis of the first tubular member and the second tubular member. 20. The vehicle of claim 11, wherein the at least one movement regulating member comprises a first movement regulating member that is positioned on a first side of the annular member in a direction along the longitudinal axis of the first tubular member and the second tubular member, and a second regulating member that is positioned on a second side of the annular member opposite the first side.
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