Patent ID: 8277541
Filing Date: 2012-10-02
Classification: B08B,F24F

Abstract:
1. A smoke removal apparatus, for the removal of smoke from air to be treated in a confined space and capable of operating in the confined space without ventilation of the apparatus to the atmosphere, comprising one or more of the following filters: a mechanical filter; an electrostatic filter; and a chemical filter; wherein the apparatus is arranged to collect smoke from a relatively higher position, pass smoke through the one or more filters, and expel treated air to a relatively lower position, and the apparatus is provided with an outlet arranged in a substantially lower region of said apparatus to achieve radial distribution of treated air so as to provide a layer of treated air beneath the smoke, and substantially horizontal to the ground, to clear the space of smoke, said apparatus further comprising a centrifugal fan positioned at said outlet, said fan having a plurality of fins for achieving said radial distribution of said treated air.