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2024
|
Invention
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Bullnose bellmouth for jet fan. A bellmouth that enhances the effective longitudinal thrust of a ... |
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2021
|
Invention
|
Aerodynamic spolier for jetfan bellmouth. An aerodynamic spoiler (4) attached to a fraction of th... |
|
|
Invention
|
Vortex generators for jet fans. A ventilation device that enhances the effective longitudinal thr... |
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2018
|
Invention
|
Optimised tunnel ventilation device. A ventilation device that enhances the effective longitudina... |
|
2016
|
P/S
|
Industrial ventilation apparatus. |
|
2014
|
Invention
|
Energy-efficient tunnel ventilation device.
A ventilation device that enhances the effective lon... |
|
|
Invention
|
Energy-efficient tunnel ventilation device. A ventilation device that enhances the effective long... |
|
2009
|
Invention
|
Improved tunnel ventilation device.
A ventilation device that enhances the longitudinal thrust ... |
|
|
Invention
|
Improved tunnel ventilation device. A ventilation device that enhances the longitudinal thrust of... |
