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:
Jul. 18, 2023
Filed:
Dec. 28, 2020
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Yonghua Zhu, Cork, IE;
Catherine Thibaud, South Windsor, CT (US);
Assignee:
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D 13/00 (2006.01); B64D 13/06 (2006.01);
U.S. Cl.
CPC ...
B64D 13/06 (2013.01); B64D 2013/0618 (2013.01); B64D 2013/0651 (2013.01); B64D 2013/0688 (2013.01);
Abstract
An aircraft environmental control system includes means for mixing and conditioning bleed air from a bleed air input and recirculation air from an aircraft interior to provide mixed, conditioned air to the aircraft interior. The system also includes a first contaminant removal device and a second contaminant removal device arranged in a path of at least part of the recirculation air, prior to the means for mixing and conditioning, and a valve (SV) arranged to alternate flow of recirculation air through the first and second contaminant removal devices.