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:
Apr. 13, 2010
Filed:
Feb. 08, 2005
Applicant:
Kari Laitinen, Jyvaskyla, FI;
Inventor:
Kari Laitinen, Jyvaskyla, FI;
Assignee:
John Crane Safematic Oy, Muurame, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an arrangement in a mechanical shaft seal. The arrangement comprises at least one sealing part rotating with a shaft in relation to a frame of the device and at least one sealing part fastened to the frame and/or to a separate frame part that is non-rotatable in relation thereto. The arrangement also comprises at least one additional part arranged to connect the frame and the sealing part that is non-rotatable in relation thereto and to prevent the rotation of the sealing part in relation to the frame. At least one set of the additional parts is memory metal elements.