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Article: Illinois Inventor Develops Washpipe Seal Assembly
- Article from:
- US Fed News Service, Including US State News
- Article date:
- March 31, 2008
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ALEXANDRIA, Va., March 31 -- Zbigniew Kubala of Beach Park, Ill., has developed a washpipe seal assembly.
According to the U.S. Patent & Trademark Office: "A coupling seal assembly is described for directing a pressurized abrasive fluid between a non-rotating conduit member and a rotating second conduit member. The seal assembly includes a first ceramic floating seal member secured to the non-rotating conduit member and a second ceramic seal member secured to the rotating conduit member. Enhanced service life of the seal assembly under high pressures and high rotary speeds is achieved."
The inventor was issued U.S. Patent No. 7,343,968 on March 18.
The patent has been assigned to ...