Curtain-wall structure proposed for removing methane and airborne coal dust from hydrojet-jaw mining machines. Channel between curtain wall and mine wall forms closed exhaust passage. Through it, gas and dust continuously removed so high concentrations of these explosive materials not build up.
Curtain Wall Creates Ventilation Channel
NASA Tech Briefs ; 9 , 2
1985-10-01
Miscellaneous
No indication
English
Fabricated curtain wall hoisting equipment and curtain wall hoisting method
European Patent Office | 2025
|Ultrasonic curtain wall cleaning system and curtain wall cleaning method thereof
European Patent Office | 2022
|