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:
Feb. 13, 2001
Filed:
Oct. 01, 1999
Tetsuya Tosaka, Saitama, JP;
Takashi Akagi, Saitama, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a multi-cylinder engine in which a plurality of cylinder bore rows, each including a plurality of cylinder bores disposed in parallel, are disposed in such a manner as to be perpendicular to a crank shaft disposed substantially in the horizontal direction. A plurality of cylinder heads, each forming combustion chambers between pistons slidably fitted in the cylinder bores and the cylinder head, are connected to cylinder blocks corresponding to the cylinder bore rows. Furthermore, a plurality of intake passages and a plurality of exhaust passages respectively in communication with the combustion chambers are provided in the cylinder heads, wherein the structure of an intake system and an exhaust system can be simplified. Intake passages and exhaust passages are provided in the a cylinder head corresponding to a cylinder bore row in such a manner that a relative positional relationship between the intake passages and the exhaust passages in the axial direction of the crank shaft is nearly equal to that between the intake passages and the exhaust passages in the axial direction of the crank shaft.