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. 08, 2020
Filed:
May. 08, 2017
Sulzer Management Ag, Winterthur, CH;
Jukka Vainikainen, Kotka, FI;
SULZER MANAGEMENT AG, Winterthur, CH;
Abstract
A double mechanical seal includes a primary stationary seal ring, a primary rotary seal ring, a secondary stationary seal ring and a secondary rotary seal ring. The primary stationary seal ring includes a slide ring and a primary carrier ring, the primary carrier ring having a first axial end with a seat for the slide ring and a second axial end with a rim opposite the first axial end. The secondary stationary seal ring includes a slide ring and a secondary carrier ring, the secondary carrier ring having an inlet recess or opening and an outlet recess or opening for a barrier fluid. The primary carrier ring has a recessed and oblong section or an oblong opening, and the inlet and outlet recesses or openings in the secondary carrier ring are arranged, when in use, in radial flow communication with the recessed and oblong section or the oblong opening.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile