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:
Feb. 17, 2026
Filed:
Mar. 10, 2025
Pratt & Whitney Canada Corp., Longueuil, CA;
Bruce Calvert, Burlington, CA;
Ronald L. Robinson, Brampton, CA;
Dave Menheere, Norval, CA;
David Beamish, Mississauga, CA;
PRATT & WHITNEY CANADA CORP., Longueuil, CA;
Abstract
A gas turbine engine is provided that includes a combustor, a rotational spool, a spool balancing system, and at least one access port. The rotational spool includes turbine and compressor sections, and a shaft that connects the turbine and compressor sections. The spool balancing system includes a circumferentially extending track component and a plurality of balance weights that are engaged with the track component. The balance weights are disposable in secured and unsecured configurations. The track component and the balance weights are disposed to rotate with the rotational spool. The access port is disposed within a non-rotational member of the gas turbine engine. The access port is configured to receive a tool for engagement with the balance weights.