The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 11, 2025

Filed:

May. 04, 2017
Applicant:

British American Tobacco (Investments) Limited, London, GB;

Inventors:

Daniel Augusto Ritt, Cachoeirinha, BR;

Jeronimo Scremin, Cachoeirinha, BR;

Valdir Milak, Cachoeirinha, BR;

Irving Joseph Berger, Cachoeirinha, BR;

Paula Fabiane Martins, Rio de Janeiro, BR;

Vando Braz de Oliveira, Cachoeirinha, BR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24B 1/02 (2006.01); F26B 21/00 (2006.01); F26B 21/02 (2006.01); F26B 23/02 (2006.01);
U.S. Cl.
CPC ...
A24B 1/02 (2013.01); F26B 21/002 (2013.01); F26B 21/02 (2013.01); F26B 23/02 (2013.01); F26B 2200/22 (2013.01);
Abstract

The present disclosure provides a method and apparatus for use in a flue-cured barn. The apparatus comprises a combustion chamber for burning fuel; an exhaust pipe for allowing combustion gases to leave the combustion chamber; and a fan for drawing the combustion gases along the exhaust pipe away from the combustion chamber and for generating a negative pressure within the combustion chamber and exhaust pipe compared with the pressure outside the apparatus.


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