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US 6,186,888 B1Granted
System and method for controlling ventilation in a tunnel
AssigneeKabushiki Kaisha Toshiba
InventorHiroyuki Ohashi
Life of this patent
Estimating the term…
Abstract
A system and method are disclosed for controlling ventilation in a tunnel. According to the disclosed system and method, a set speed value for each vehicle traveling in the tunnel is determined based on the measured level of a physical phenomenon in the tunnel. The set speed value is communicated to each vehicle traveling in the tunnel and/or utilized to control a tunnel ventilator.
Claims24
A system for controlling ventilation in a tunnel, comprising:
- at least one sensor for a measuring the level of a physical phenomenon in the tunnel;
- means for determining a set speed value for each vehicle traveling along at least one direction in the tunnel based on the level of the physical phenomenon measured by the sensor;
- and
- means for communicating the set speed value to each vehicle traveling in the tunnel.
1 more element
A method for controlling ventilation in a tunnel, comprising:
- measuring the level of a physical phenomenon in the tunnel by a sensor;
- determining a set speed value for each vehicle traveling along at least one direction in the tunnel based on the level of the physical phenomenon measured by the sensor;
- and
- communicating the determined speed value to each vehicle traveling in the tunnel.
1 more element
Dependencies are inferred from the claim text.