[특허]In-series two chain continuously variable transmission

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In-series two chain continuously variable transmission

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16H-009/12 F16H-009/02 F16H-055/56 F16H-055/32
미국특허분류(USC)	474/027; 474/008; 474/144; 474/199; 474/043
출원번호	UP-0032924 (2005-01-11)
등록번호	US-7540815 (2009-07-01)
발명자 / 주소	Brown, Albert W.
대리인 / 주소	Knobbe, Martens, Olson & Bear, LLP
인용정보	피인용 횟수 : 3 인용 특허 : 53

초록
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A continuously variable transmission has an input pulley assembly connected to a first transfer pulley assembly with a first chain and a second transfer pulley assembly connected to an output pulley assembly with a second chain. The first transfer pulley assembly and the second transfer pulley assembly shaft a common shuttle disk that moves axially on a countershaft that carries the first and second transfer pulleys. The input pulley assembly and the output pulley assembly are generally axially aligned and a bearing carrier is positioned between the pull...

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What is claimed is: 1. A continuously variable transmission comprising: a housing that defines a belt chamber, said housing comprising a first portion and a second portion, said first portion and said second portion being substantially identical; an input pulley assembly and an output pulley assembly positioned within said belt chamber, a first transfer pulley assembly and a second transfer pulley assembly mounted to a countershaft, a first chain extending between said input pulley assembly and said first transfer pulley assembly, a second chain extending between said second transfer pulley assembly and said output pulley assembly, said input pulley assembly comprising a first end and a second end, said first end being supported by said housing and said second end being supported by a bearing holder, said bearing holder being captured between said first portion and said second portion of said housing, said bearing holder comprising a fluid port, said fluid port being fluidly connected to a fluid passage that extends through at least a portion of said bearing holder; said output pulley assembly comprising a first end and a second end, said first end being support by said housing and said second end being supported by said bearing holder; said countershaft comprising a first end and a second end, said first end being supported by said housing and said second end being supported by said housing; said input pulley assembly comprising a shaft portion and a fixed disk portion, said shaft portion and said disk portion being integrally formed, said input pulley assembly also comprising a bulkhead that is axially fixed along said shaft portion and a moveable disk that is positioned between said bulkhead and said fixed disk portion, said bulkhead being secured to said shaft portion for rotation with said shaft portion and said moveable disk portion being coupled to said bulkhead for rotation while remaining axially movable along said shaft portion relative to said bulkhead; said output pulley assembly comprising a shaft portion and a fixed disk portion, said shaft portion and said disk portion being integrally formed, said output pulley assembly also comprising a bulkhead that is axially fixed along said shaft portion and a moveable disk that is positioned between said bulkhead and said fixed disk portion, said bulkhead being secured to said shaft portion for rotation with said shaft portion and said moveable disk portion being coupled to said bulkhead for rotation while remaining axially movable along said shaft portion relative to said bulkhead; said first transfer pulley assembly comprising a fixed disk portion and a moveable disk portion, said fixed disk portion being axially and rotationally secured to said countershaft; said second transfer pulley assembly comprising a fixed disk portion and a moveable disk portion, said fixed disk portion being axially and rotationally secured to said countershaft; said moveable disk portion of said first transfer pulley assembly and said moveable disk portion of said second transfer pulley assembly being defined in a single shuttle disk member, said shuttle disk member being positioned along said countershaft between said fixed disk portion of said first transfer pulley assembly and said fixed disk portion of said second transfer pulley assembly, said shuttle disk member being adapted for axial translation along said countershaft, said shuttle disk member comprising a first bearing portion and a second bearing portion that are separated by a recessed portion, and said first and second bearing portion abutting said countershaft. 2. The transmission of claim 1, wherein said fixed disk portion of said first transfer pulley assembly comprising a journal portion and said journal portion forms an inner race of a bearing. 3. The transmission of claim 1, wherein said second end of said input pulley assembly comprising a journal portion and said journal portion forms an inner race of a bearing that is mounted in said bearing holder. 4. The transmission of claim 3, wherein said first end of said input pulley assembly comprises an internally splined bore. 5. The transmission of claim 1 further comprising a fluid tube, said fluid tube being fluidly connected to said fluid passage and said fluid tube being positioned within an axial bore formed in said shaft portion of said input pulley assembly. 6. The transmission of claim 5, wherein said fluid tube extends only partway through said axial bore and an end of said fluid tube that is positioned within said axial bore is closed by a plug. 7. The transmission of claim 6 further comprising a radial fluid passage extending through said shaft portion of said input pulley assembly at a location generally positioned between said moveable disk and said bulkhead. 8. The transmission of claim 7, wherein said fluid tube comprises at least one hole that corresponds to the location of the radial fluid passage. 9. A continuously variable transmission comprising: a housing that defines a belt chamber; an input pulley assembly and an output pulley assembly positioned within said belt chamber, a first transfer pulley assembly and a second transfer pulley assembly mounted to a countershaft, a first chain extending between said input pulley assembly and said first transfer pulley assembly, a second chain extending between said second transfer pulley assembly and said output pulley assembly, said input pulley assembly comprising a first end and a second end, said first end being supported by said housing and said second end being supported by a bearing holder, said bearing holder comprising a fluid port, said fluid port being fluidly connected to a fluid passage that extends through at least a portion of said bearing holder; said output pulley assembly comprising a first end and a second end, said first end being support by said housing and said second end being supported by said bearing holder; said countershaft comprising a first end and a second end, said first end being supported by said housing and said second end being supported by said housing; said input pulley assembly comprising a shaft portion and a fixed disk portion, said shaft portion and said disk portion being integrally formed, said input pulley assembly also comprising a bulkhead that is axially fixed along said shaft portion and a moveable disk that is positioned between said bulkhead and said fixed disk portion, said bulkhead being secured to said shaft portion for rotation with said shaft portion and said moveable disk portion being coupled to said bulkhead for rotation while remaining axially movable along said shaft portion relative to said bulkhead; said output pulley assembly comprising a shaft portion and a fixed disk portion, said shaft portion and said disk portion being integrally formed, said output pulley assembly also comprising a bulkhead that is axially fixed along said shaft portion and a moveable disk that is positioned between said bulkhead and said fixed disk portion, said bulkhead being secured to said shaft portion for rotation with said shaft portion and said moveable disk portion being coupled to said bulkhead for rotation while remaining axially movable along said shaft portion relative to said bulkhead; said first transfer pulley assembly comprising a fixed disk portion and a moveable disk portion, said fixed disk portion being axially and rotationally secured to said countershaft; said second transfer pulley assembly comprising a fixed disk portion and a moveable disk portion, said fixed disk portion being axially and rotationally secured to said countershaft; said moveable disk portion of said first transfer pulley assembly and said moveable disk portion of said second transfer pulley assembly being defined in a single shuttle disk member, said shuffle disk member being positioned along said countershaft between said fixed disk portion of said first transfer pulley assembly and said fixed disk portion of said second transfer pulley assembly, said shuffle disk member being adapted for axial translation along said countershaft, said shuttle disk member comprising a first bearing portion and a second bearing portion that are separated by a recessed portion, and said first and second bearing portion abutting said countershaft. 10. The transmission of claim 9 further comprising a fluid tube, said fluid tube being fluidly connected to said fluid passage and said fluid tube being positioned within an axial bore formed in said shaft portion of said input pulley assembly. 11. The transmission of claim 10, wherein said fluid tube extends only partway through said axial bore and an end of said fluid tube that is positioned within said axial bore is closed by a plug. 12. The transmission of claim 11 further comprising a radial fluid passage extending through said shaft portion of said input pulley assembly at a location generally positioned between said moveable disk and said bulkhead. 13. The transmission of claim 12, wherein said fluid tube comprises at least one hole that corresponds to the location of the radial fluid passage.

이 특허에 인용된 특허 (53)

이 특허를 인용한 특허 피인용횟수: 3

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In-series two chain continuously variable transmission

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이 특허에 인용된 특허 (53)

이 특허를 인용한 특허 피인용횟수: 3

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In-series two chain continuously variable transmission

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이 특허에 인용된 특허 (53)

이 특허를 인용한 특허 피인용횟수: 3

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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