No.1011E 2014Compact/Lightweight - Related Technologies Special Edition Development of Compact and High Efficient Linear Solenoid |
| Category | TECHNICAL REPORT |
|---|---|
| Author | K. TAKANISHI T. MURAKAMI K. FUJITA I. ONO Hydraulic System Engineering Dept., Automotive Systems Business Headquarters |
| Abstract | We JTEKT have developed and started the production of a proportional controlled solenoid valve (linear solenoid valve) for compact, highly effi cient, and highly accurate automatic transmissions. The developed product is the first in the world to have a double-throttle valve structure on the hydraulic pressure adjustment part. By having a highly effi cient magnetic circuit for the electromagnetic portion and by adopting a double-throttle valve structure on the hydraulic pressure adjusting part (first in the world), we were able to halve its size and mass compared to the conventional product, and were also able to reduce the fl ow volume loss at hydraulic pressure adjustment by approximately 30%. This contributes to improved vehicle fuel consumption. JTEKT plans to use the newly structured solenoid valve on a wider scale, and will implement design optimization, aiming at low fuel consumption vehicles. |
| Keyword | Linear Solenoid Valve, high fuel efficiency, flow rate consumption, downsizing, weight reduction |
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