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:
Sep. 12, 2000
Filed:
Dec. 17, 1997
Masaki Tsunoda, Wako, JP;
Shigekazu Sakata, Wako, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A water-cooled 4-stroke cycle internal combustion engine for propelling ships having a cylinder head and a cylinder block. The engine including a plurality of connecting bolts for detachably connecting the cylinder head with the cylinder block arranged around a cylinder with substantially equal distances from a center axis of the cylinder; an exhaust passage formed in the cylinder head positioned on one side of the cylinder, opening on a connecting face to the cylinder block; a cooling water passage disposed around the exhaust passage in the cylinder head, opening on the connecting face; an exhaust passage formed in the cylinder block positioned on the above-mentioned one side of the cylinder, opening on a connecting face to the cylinder head to communicate with the exhaust passage in the cylinder head; a cooling water passage disposed around the exhaust passage in the cylinder block, opening on the connecting face to the cylinder head to communicate with the cooling water passage in the cylinder head; a lubricating oil passage formed in the cylinder head positioned on another side of the cylinder, opening on the connecting face to the cylinder block; and a lubricating oil passage formed in the cylinder block positioned on the above-mentioned another side of the cylinder, opening on the connecting face to the cylinder head to communicate with the lubricating oil passage in the cylinder head.