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, 1998
Filed:
Feb. 07, 1996
Applicant:
Inventor:
Heinrich Lorenzen, Untersiggenthal, CH;
Assignee:
Sulzer Turbo AG, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ; F16J / ;
U.S. Cl.
CPC ...
415 47 ; 415111 ; 415112 ; 415113 ; 4151682 ; 415175 ; 415178 ; 415230 ; 415231 ; 277-2 ; 277 22 ; 277 28 ; 277 65 ;
Abstract
An arrangement for a dry-gas sliding ring seal in a turbomachine which establishes ambient conditions in the region of the dry-gas sliding ring seals under which no fluid precipitates regardless of whether the machine is operating or not. By supplying heat to the leakage flow during standstill of the turbomachine in a manner similar to that during its operation, an undercooling in the region of the dry-gas sliding ring seal with all its negative effects can be suppressed; and the start-up of the turbomachine takes place starting from a substantially safer operating state.