Maro Publications

Oil Seals

Patents with Abstracts

*5/11/2012

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Patents with Abstracts

8,136,818 
Oil seal
 
Yamanaka et al of NOK, Japan, developed an oil seal with a seal lip of an oil seal in slidable contact with a peripheral surface of a shaft.  A lubricating oil supply section for collecting adhered oil and dropping it on the shaft is provided at a forward end portion of an installation section.  The lubricating oil supply section has projections formed on the inner peripheral surface of the installation section to collect oil on the surface thereof.  The surface of each projection has a recess for temporarily accumulating oil.  Guidance projections, or a slope for collecting the oil, and dams are formed on a forward end face of the installation section to block the oil flowing down along the circumferential direction on the forward end face and guides the oil toward each projection. (RDC 5/11/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

Maro Polymer Links
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E-Mail: cornelrd@bee.net  

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Copyright 2012 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen
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** Date of latest addition; date of first entry is 5/11/2012.