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:
Sep. 03, 2019
Filed:
Oct. 09, 2015
Applicant:
Emerson Electric Co., St. Louis, MO (US);
Inventor:
Stuart V. Holsten, Stover, MO (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 5/22 (2006.01); F04D 29/16 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
A47L 5/22 (2013.01); F04D 29/162 (2013.01); F04D 29/4213 (2013.01); F04D 29/4226 (2013.01); F04D 29/441 (2013.01); F05D 2250/51 (2013.01);
Abstract
A vacuum comprising a canister and a removable lid assembly that is configured to couple to the canister. The lid assembly includes a motor, an impeller coupled to the motor, a filter mounting structure configured to receive a filter element, and an impeller inlet with curved inner walls. These curved inner walls help to minimize air flow path disruptions.