| 摘要 |
PURPOSE: A tire tread ground contact pressure control device is provided to satisfy all the driving performances on the dry ground and wet ground. CONSTITUTION: A tire tread ground contact pressure control device comprises a reinforcement tube(11), a connection tube(13), a cylinder(10), a piston(9), a connecting rod(8), a hydraulic device(7), a brake oil connecting apparatus(5), and a sensor apparatus(4). The reinforcement tube installed into ring shape according to the lower part of the tread of a tire(1). The connection tube is connected to the reinforcement tube for supplying fluid. The cylinder is installed in a rim(3) and injects fluid into connection tube. The hydraulic device operates the connecting rod. The brake oil connecting apparatus is connected to the hydraulic device by an oil pipe(6). The sensor the set state of the ground(2) and transmits signals to the brake oil connecting apparatus.
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