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:
Mar. 10, 2020
Filed:
Mar. 17, 2016
David J. Peer, Olean, NY (US);
Paul Morrison Brown, Seattle, WA (US);
Richard J. Wiederien, Bellevue, WA (US);
Kirk Ryan Lupkes, Renton, WA (US);
Brian David Massey, Seattle, WA (US);
James M. Sorokes, Olean, NY (US);
Mark J. Kuzdzal, Allegany, NY (US);
David J. Peer, Olean, NY (US);
Paul Morrison Brown, Seattle, WA (US);
Richard J. Wiederien, Bellevue, WA (US);
Kirk Ryan Lupkes, Renton, WA (US);
Brian David Massey, Seattle, WA (US);
James M. Sorokes, Olean, NY (US);
Mark J. Kuzdzal, Allegany, NY (US);
DRESSER-RAND COMPANY, Olean, NY (US);
Abstract
A balance piston seal assembly for a balance piston of a compressor is provided. The balance piston seal assembly may include a balance piston seal configured to be disposed about the balance piston such that an inner radial surface of the balance piston seal and an outer radial surface of the balance piston define a radial clearance therebetween. The balance piston seal assembly may also include a plurality of heaters in thermal communication with the balance piston seal and configured to heat and thermally expand the balance piston seal and thereby increase a radial length of the radial clearance.