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. 08, 1990
Filed:
Dec. 20, 1988
Shinichi Tamba, Kobe, JP;
Yoshiteru Ueda, Kakogawa, JP;
Abstract
A breather device adapted for an internal combustion engine which includes a lubricant separation chamber having a check valve opening by a positive pressure in the crank chamber and being provided with hole(s) communicating the lubricant separation chamber with a crank chamber, a gas exhausting section connected to an intake air line, and with a device for returning a separated lubricant to the crank chamber. The lubricant return device comprises a gap section communicating to a bottom of the lubricant separation chamber and in contact with an end face of an appropriate revolving shaft such as a cam shaft, and forced oil return passage(s) being formed in or on said revolving shaft, which communicate(s) the crank chamber to the gap section, and integrally rotate(s) with the revolving shaft to forcibly send lubricant oil deposited in the gap section to the crank chamber.