专利名称：Four-wheel steering device for vehicle发明人：Hirotaka Kanazawa,Teruhiko Takatani,Naoto
Takata
申请号：US06/821875申请日：19860127公开号：US04657102A公开日：19870414
摘要：In a four-wheeled vehicle, the rear wheels are turned as well as the front wheelsin response to operation of the steering wheel. The rear wheel turning anglecharacteristics relative to the front wheel turning angle is changed according to thevehicle speed. In the low to high vehicle speed region, the rear wheel turning angle isincreased with increase of the front wheel turning angle and the increasing rate isincreased as the vehicle speed increases. In the very low vehicle speed region, the rearwheels are not turned until the front wheels are turned at least by a predeterminedangle, and are turned in the direction opposite to the front wheels when the front wheelsare turned by an angle larger than the predetermined angle. The rear wheel turningangle in the opposite direction is changed in proportion to the front wheel turning angle.
申请人：MAZDA MOTOR CORPORATION
代理机构：Ferguson, Jr., Gerald J.
代理人：Michael P. Hoffman,Ronni S. Malamud
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