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:
Jun. 26, 2001
Filed:
Sep. 13, 1999
Osamu Takii, Sakai, JP;
Kiyoshi Hataura, Sakai, JP;
Manabu Miyazaki, Sakai, JP;
Hiroshi Suzuki, Sakai, JP;
Masayuki Hagiwara, Sakai, JP;
Takatoshi Imai, Sakai, JP;
Kubota Corporation, , JP;
Abstract
An entire peripheral surface of a port bent portion (,) of a direct intake port (,) has a peripheral side surface portion (,) close to a cylinder axis (,). The peripheral side surface portion (,) provides a projection (,) for deviating intake air current (A) from the peripheral side surface portion (,) toward an opposite peripheral side surface portion (,). Further, the bent portion (,) has a peripheral side surface portion (,) close to an upper end surface (,) of a cylinder chamber (,), which provides a projection (,) for deviating the intake air current (A). This projection (,) turns a direction of the intake air current (A) from a peripheral side surface portion (,) close to the upper end surface (,) of the cylinder chamber (,) toward an opposite peripheral side surface portion (,).