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:
Oct. 07, 2025

Filed:

Sep. 19, 2024
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Sneha Rajeev Sondur, Seattle, WA (US);

Sudeendra Durgappa, Bellevue, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 29/422 (2013.01); F04D 29/4226 (2013.01); F04D 29/4246 (2013.01);
Abstract

A housing for a centrifugal blower comprises a first wall and a second wall forming a primary exit, and a third wall and a fourth wall forming a secondary exit. A volute tongue is located between the second wall and the fourth wall. A moveable flap is pivotally coupled at the volute tongue and extends toward the primary exit.


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