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:
Jul. 24, 1990
Filed:
Apr. 21, 1989
Applicant:
Inventor:
Takeshi Jinnouchi, Sakado, JP;
Assignee:
Eagle Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ; F16J / ; F16J / ;
U.S. Cl.
CPC ...
277 27 ; 277 45 ; 277 84 ; 277 961 ; 277142 ; 277195 ;
Abstract
The present invention provides a segment type seal provided with a seal dam portion and a bearing pad portion, in which a slight difference in level is set in advance between the seal dam portion and the bearing pad portion, and the seal dam portion is brought into contact with a mating element prior to the bearing pad portion to reduce the amount of leakage in the inital stage of operation.
Jinnouchi, Takeshi. (1990). Shaft seal disposed about a rotatable shaft (U.S. Patent No. 4943069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4943069
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