发明授权
- 专利标题： Double piston and belt type continuously variable transmission
- 专利标题（中）： 双活塞和带式无级变速器
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申请号： US11266488申请日： 2005-11-04
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公开(公告)号： US07677997B2公开(公告)日： 2010-03-16
- 发明人: Takeo Hiramatsu , Yoshihiro Kono , Seiichiro Takahashi , Jonggap Kim , Yasushi Yabe
- 申请人： Takeo Hiramatsu , Yoshihiro Kono , Seiichiro Takahashi , Jonggap Kim , Yasushi Yabe
- 申请人地址： JP Fuji-shi
- 专利权人： JATCO Ltd
- 当前专利权人： JATCO Ltd
- 当前专利权人地址： JP Fuji-shi
- 代理机构： Foley & Lardner LLP
- 优先权： JP2004-324177 20041108; JP2004-374684 20041224
- 主分类号： F16H61/02
- IPC分类号： F16H61/02 ; G05D11/00
摘要：
A double piston and belt type continuously variable transmission comprises a primary pulley provided with a primary piston chamber and a primary clamp chamber; a secondary pulley provided with a secondary piston chamber and a secondary clamp chamber; and an endless belt operatively put around the primary and secondary pulleys. A switching circuit is arranged to connect both the primary and secondary clamp chambers to either one of the primary and secondary piston chambers, which shows a higher hydraulic pressure than the other.
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