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:
Dec. 07, 2010
Filed:
Jan. 23, 2009
Tatsuhiro Terada, Toyota, JP;
Yasushi Iwata, Toyota, JP;
Tatsuhiro Terada, Toyota, JP;
Yasushi Iwata, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Abstract
A crankcase that is provided in an internal combustion engine, in which blow-by gas is returned to an intake passage via a gas outflow passage formed in a cylinder block so as to extend in a direction from an upper portion to a lower portion of the cylinder, includes: a partition wall extending in a direction from an upper portion to a lower portion of the crankcase and facing an inner side surface of a crankcase outer wall that also extends in the direction from the upper portion to the lower portion of the crankcase; an internal space that is formed between the partition wall and the inner side surface of the crankcase outer wall and connected to the gas outflow passage at an upper end of the internal space; and a window that is formed on the partition wall to communicate an inside and outside of the internal space.