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. 26, 2021

Filed:

Aug. 29, 2019
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventors:

Joseph H. Polly, Tolland, CT (US);

Nicholas D. Leque, Vernon, CT (US);

Assignee:

Raytheon Technologies Corporation, Farmington, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 35/147 (2006.01); B01D 29/33 (2006.01); B01D 35/02 (2006.01); B01D 29/58 (2006.01); F01D 25/18 (2006.01);
U.S. Cl.
CPC ...
B01D 35/147 (2013.01); B01D 29/33 (2013.01); B01D 29/58 (2013.01); B01D 35/02 (2013.01); F01D 25/18 (2013.01);
Abstract

A filtration system is disclosed. In various embodiments, the filtration system includes a fine mesh filter configured for disposition within a chamber and defining a first volume, the first volume in fluid communication with a main exit conduit; and a coarse mesh filter configured for disposition within the chamber and at least partially surrounding the fine mesh filter, the coarse mesh filter and the fine mesh filter defining a second volume, the second volume in fluid communication with a first bypass valve, the coarse mesh filter and the chamber defining a third volume, the third volume in fluid communication with a second bypass valve.


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