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:
May. 21, 2019
Filed:
Jan. 12, 2018
Applicant:
Ihi Corporation, Koto-ku, JP;
Inventor:
Takahisa Toyota, Tokyo, JP;
Assignee:
IHI Corporation, Koto-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/66 (2006.01); F16C 33/78 (2006.01); F02B 39/00 (2006.01); F16C 33/76 (2006.01); F16C 33/80 (2006.01); F16J 15/16 (2006.01); F02B 39/14 (2006.01);
U.S. Cl.
CPC ...
F16C 33/7816 (2013.01); F02B 39/00 (2013.01); F02B 39/14 (2013.01); F16C 33/76 (2013.01); F16C 33/7886 (2013.01); F16C 33/80 (2013.01); F16J 15/162 (2013.01); F16C 2360/24 (2013.01);
Abstract
An oil seal structure includes a bearing unit for a shaft, housed in a housing hole formed in a housing, and an opposing member that faces the bearing unit in an axial direction of the shaft and has a body part including an opposing face provided with an insertion hole through which the shaft is inserted. The opposing member includes an oil groove that is formed in the opposing face, is recessed in a direction separating from the bearing unit, and at least partially faces the bearing unit, and a portion at which the insertion hole opens in the opposing face projects toward the bearing unit side from a deepest portion in the oil groove.