Pneumatic tire internal pressure control device for vehicle, vehicle, and its control method
First Claim
Patent Images
1. A pneumatic tire internal pressure control device for a vehicle, comprising:
- pneumatic tires each having a plurality of air chambers disposed therein along a tread width direction;
an internal pressure controller configured to control internal pressures of the plurality of air chambers; and
an instruction unit configured to give the internal pressure controller an instruction to change the internal pressures on the basis of a running state of the vehicle,whereinthe instruction unit gives the internal pressure controller the instruction on the basis of a state where the vehicle is being displaced in a leftward or rightward direction,the instruction unit includes a running lane maintenance monitoring unit configured to monitor whether or not the vehicle is running within a predetermined running lane, andthe instruction unit gives the internal pressure controller the instruction on the basis of a monitoring by the running lane maintenance monitoring unit.
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Accused Products
Abstract
A pneumatic tires (20FL, 20FR, 20RL, 20RR) each having a plurality of air chambers disposed therein along a tread width direction. An internal pressure control device (100) includes a sensor unit (120) configured to inform a controller (110) that the four-wheel automobile (10) is going as being displaced in the leftward or rightward direction; and the controller (110) configure to change the internal pressures of the plurality of air chambers on the basis of the instruction outputted from the sensor unit (120).
23 Citations
17 Claims
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1. A pneumatic tire internal pressure control device for a vehicle, comprising:
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pneumatic tires each having a plurality of air chambers disposed therein along a tread width direction; an internal pressure controller configured to control internal pressures of the plurality of air chambers; and an instruction unit configured to give the internal pressure controller an instruction to change the internal pressures on the basis of a running state of the vehicle, wherein the instruction unit gives the internal pressure controller the instruction on the basis of a state where the vehicle is being displaced in a leftward or rightward direction, the instruction unit includes a running lane maintenance monitoring unit configured to monitor whether or not the vehicle is running within a predetermined running lane, and the instruction unit gives the internal pressure controller the instruction on the basis of a monitoring by the running lane maintenance monitoring unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for controlling internal pressures of pneumatic tires for a vehicle, the pneumatic tire having a plurality of air chambers disposed therein along a tread width direction, the method comprising the steps of:
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instructing that the vehicle is being displaced in a leftward or rightward direction; and changing internal pressures of the plurality of air chambers on the basis of the instruction in the instructing step, the method further comprising; monitoring whether or not the vehicle is running within a predetermined running lane, and changing the internal pressures of the plurality of air chambers on the basis of the monitoring of the vehicle.
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Specification