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.
Patent No.:
Date of Patent:
Oct. 08, 2002
Filed:
Jan. 24, 2001
Andrew Walter McRae Thomson, Gloucestershire, GB;
Notetry Limited, Wiltshire, GB;
Abstract
The invention provides apparatus for separating dirt or dust from an airflow, comprising a collector ( ) having an outer wall ( ) forming an air-rotational surface, an inner wall ( ), an airflow inlet for introducing the airflow substantially tangentially to the outer wall ( ), an airflow outlet for removing air from the collector ( ), and at least one fin or baffle ( ) positioned within the collector ( ), characterized in that the or each fin or baffle ( ) is located on the inner wall ( ) of the collector ( ) and projects outwardly therefrom. The presence of the fins or baffles ( ) on the inner wall ( ) discourages re-entrainment of dirt and dust particles remaining within the separation apparatus after the airflow therethrough has been discontinued.