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:
Feb. 21, 2017
Filed:
Mar. 13, 2014
Eagle Burgmann Japan Co., Ltd., Tokyo, JP;
Eagle Industry Co., Ltd., Tokyo, JP;
Hidekazu Takahashi, Tokyo, JP;
Ryoji Muraki, Tokyo, JP;
EAGLE BURGMANN JAPAN CO., LTD., Tokyo, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
A mechanical seal devicecomprises a seal caseattached to the device main body, a rotary seal ringattached to the rotary shaft, a stationary seal ringarranged in an axial direction opposing to the rotary seal ring, and a bellowsattached extendably in the axial direction between the stationary seal ringand the seal case. A static pressure fluid supplying hole, supplying a static pressure fluid to a static pressure fluid chamber C arranged at an inner circumferential side of the bellows, is formed on the seal case. A communication hole, guiding the static pressure fluid of the static pressure fluid chamber C to sealing surfaces between the stationary seal ringand the rotary seal ringis formed on the stationary seal ring. The sealed fluid is arranged at an outer circumferential side of the bellows
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile