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:
Dec. 18, 1984
Filed:
Jan. 16, 1984
Applicant:
Inventor:
Phillip W Eckels, Penn Hills, PA (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F17C / ;
U.S. Cl.
CPC ...
62 55 ; 62505 ; 277203 ; 277215 ; 285 47 ; 285D / ; 310 64 ;
Abstract
A liquid coolant transfer device that has a stationary tube fit within a rotating conduit and a threaded throwback seal on the surface of the rotating element is further provided with a seal and bearing device in the form of a washer affixed to the conduit at the end of the threaded insert and extending across the gap between the rotating and stationary tubes for preventing liquid coolant flow therethrough even during severe flooding caused by faults within the electrical machine with which it is connected.