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. 20, 2005
Filed:
Apr. 30, 2003
Andrew D. Bunn, Oro Valley, AZ (US);
Darrell W. Horner, Oro Valley, AZ (US);
Timothy R. Arthurs, Tucson, AZ (US);
Andrew D. Bunn, Oro Valley, AZ (US);
Darrell W. Horner, Oro Valley, AZ (US);
Timothy R. Arthurs, Tucson, AZ (US);
Honeywell International, Inc., Morristown, NJ (US);
Abstract
An aircraft cabin pressure control system valve integrates three cabin pressure control functions, main cabin flow control, positive pressure relief, and negative pressure relief, into a single valve package. The valve includes a control valve that is used for main cabin flow control, for primary positive pressure relief, and primary negative pressure relief. The valve can also include a positive pressure relief valve and a negative pressure relief valve, which are used for backup positive pressure relief and negative pressure relief, respectively. An actuator for the valve is also provided.