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:
Sep. 03, 2019
Filed:
Dec. 13, 2017
Ihi Corporation, Koto-ku, JP;
Takahisa Toyota, Tokyo, JP;
Tatsumi Inomata, Tokyo, JP;
IHI Corporation, Koto-ku, JP;
Abstract
An oil seal structure includes: a bearing unit for a shaft, being provided in a housing hole of a bearing housing; a damper positioned outside the bearing unit in a radial direction of the shaft to absorb vibration of the shaft; a seal body portion facing the damper through a gap in an axial direction of the shaft; a partition wall positioned between the damper and the seal body portion to divide the gap into a first space on the damper side and a second space on the seal body portion side; and a guide portion provided in the partition wall to be closer to an oil drain port than the shaft and having: an inner side in the radial direction of the shaft, being positioned on the first space side; and an outer side in the radial direction of the shaft, being positioned on the second space side.