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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.:

US 10023296 B1

PDFFull Text
Date of Patent:
Jul. 17, 2018

Filed:

Aug. 09, 2016

Inlet duct selector for tiltrotor barrier filter

Applicant:

Bell Helicopter Textron Inc., Fort Worth, TX (US);

Inventors:

David L. Miller, North Richland Hills, TX (US);

Brent Chadwick Ross, Flower Mound, TX (US);

Assignee:

BELL HELICOPTER TEXTRON INC., Fort Worth, TX (US);

Attorneys:

Daniel J. Chalker

Edwin S. Flores

Chalker Flores, LLP

Primary Examiner:

Duane Smith

Assistant Examiner:

Minh-Chau Pham

Int. Cl.
CPC ...
B64C 7/02 (2006.01); B64C 27/14 (2006.01);
U.S. Cl.
CPC ...
B64C 7/02 (2013.01); B64C 27/14 (2013.01);
Abstract

The present invention includes an air flow bypass for a tiltrotor engine comprising: a ram air inlet comprising bypass door(s) capable of at least partially or fully blocking a ram air flow through the ram air inlet; a barrier filter inlet positioned in a side, a bottom, and/or a top of a tiltrotor engine nacelle; a filter plenum; a selector duct comprising one or more openings; and one or more selector duct doors or covers over the one or more openings; wherein the barrier filter inlet, the filter plenum, the one or more openings in the selector duct, the selector duct, and an engine are in fluid communication and the bypass door(s) in the ram inlet are closed and the barrier filter inlet provides filtered air flow to the engine when the aircraft is in hover operations.

Find Patent Forward Citations

Miller, David. (2018). Inlet duct selector for tiltrotor barrier filter (U.S. Patent No. 10023296). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10023296

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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