Title:
UNDERGROUND MINE VENTILATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/100784
Kind Code:
A2
Abstract:
This invention is a system for ventilating underground mines wherein each fan that ventilates a workplace or heading is installed behind a ventilation door in an access to a non-pressurised ventilation shaft (the intake vent shaft) and the air that returns from the workplaces and headings flows naturally to the surface. There are no surface ventilation fans and there is no separation of a primary and secondary ventilation circuit.
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Inventors:
BURSTON STEPHEN (AU)
Application Number:
PCT/AU2011/000151
Publication Date:
August 25, 2011
Filing Date:
February 13, 2011
Export Citation:
Assignee:
BURSTON STEPHEN (AU)
International Classes:
E21F1/00
Domestic Patent References:
| WO2009027815A2 | 2009-03-05 |
Foreign References:
| US0942950A | 1909-12-14 | |||
| US1280254A | 1918-10-01 |
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Claims: