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. 22, 2026
Filed:
Jul. 21, 2023
Raytheon Technologies Corporation, Farmington, CT (US);
Andrew E. Breault, Bolton, CT (US);
William K. Ackermann, East Hartford, CT (US);
RTX Corporation, Farmington, CT (US);
Abstract
A buffer air assembly for an aircraft engine includes a first pressurized air header, at least one first bearing compartment, a first bleed air source, and at least one electric buffer compressor. The at least one first bearing compartment is connected in fluid communication with the first pressurized air header. The first bleed air source is connected in fluid communication with the first pressurized air header by a first bleed check valve. The first bleed air source is configured to direct first pressurized bleed air to the first pressurized air header through the first bleed check valve. The at least one electric buffer compressor is connected in fluid communication with the first pressurized air header by a first buffer compressor check valve.