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Technical Paper

Development of High-Efficiency New CVT for Midsize Vehicle

2013-04-08
2013-01-0365
A CVT for midsize vehicles was developed that simultaneously achieves high levels of fuel efficiency performance and driving enjoyment, and marketability enabling deployment to global markets, and support for high-torque direct injection engines. This was done by modifying the CVT for 2.4 L-class vehicles sold in Japan, expanding the ratio range, using CVTF with a high friction-coefficient that simultaneously realizes both high efficiency and a high transmission capacity. This enabled achievement of an overall length of 386.5 mm, total weight of 96.1 kg, and maximum transmission torque of 270 Nm, and also enhanced fuel efficiency by approximately 10% (EAP fuel economy label) compared to the 2008 model year Accord 5AT and approximately 5% (JC08) compared to the 2010 model year STEP WGN CVT. Thus, CVT performance was obtained that can simultaneously realize high levels of both fuel efficiency and driving enjoyment.
Technical Paper

Development of High-efficiency CVT for Luxury Compact Vehicle

2005-04-11
2005-01-1019
A 2.4L class CVT has been newly developed for the 2004 domestic Odyssey to provide superior automotive fuel economy and a high level of driving pleasure. In addition to a torque converter, a first for a Honda CVT, the new CVT includes lock-up control operating immediately after start-off, and a high-efficiency oil pump with a delivery switching mechanism. In addition, this CVT possesses shift mode automatic change control sensing accelerator operation and cornering G. These improvements result in a high efficiency CVT offering both superb fuel economy and a high level of driving pleasure for luxury compact vehicle.
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