| 摘要 |
The object of the present invention is to provide a high volume, low cost, sealant spray control system for the asphalt industry, accomplished particularly through a self contained vehicle mounted spray system utilizing a digital positioning receiver consisting of a global positioning system (GPS) or horn radar as means for vehicle speed sensing, a motor RPM sensor and a program logic CAN micro controller as means for adjusting output flow of a material pump to achieve a target application spray rate of a spray bar.
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