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. 29, 2016
Filed:
Oct. 21, 2011
Mark F. Franzen, Brodhead, WI (US);
Michael J. Andres, Roscoe, IL (US);
Kris H. Campbell, Poplar Grove, IL (US);
Mark F. Franzen, Brodhead, WI (US);
Michael J. Andres, Roscoe, IL (US);
Kris H. Campbell, Poplar Grove, IL (US);
HAMILTON SUNDSTRAND CORPORATION, Windsor Locks, CT (US);
Abstract
A free-surface liquid transfer apparatus for rotating machinery includes a stationary member. The stationary member includes a main surface configured to align to a rotating member, a landing surface arranged around the main surface configured to receive and slow a continuous film of working fluid transferred from the rotating member, an annular gap arranged around the landing surface, and a hollow torus cavity arranged proximate the annular gap configured to receive the slowed continuous film of working fluid transmitted through the annular gap.