Structure of pressure-varying air-exhausting duct


Application Number  00128215 Application Date  2000.12.12
Publication Number  1360124 Publication Date  2002.07.24
Priority Information    
International
Classification
 E04F17/02  
Applicant(s) Name  Lin Runquan  
Address    
Inventor(s) Name  Lin Runquan  
Patent Agency Code  00000 Patent Agent  
AbstractA pressure-variable air exhausting duct for building is composed of air exhausting pipeline, exhaustion guide pipe and airflow pressure changing unit. The position of air outlet for exhausting guide pipe is higher than that of the top of said pressure changing unit. Its advantages are no eddy and high exhaust effect.