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:
Jul. 04, 2000
Filed:
Nov. 26, 1997
Hiroshi Oishi, Hamamatsu, JP;
Sakayuki Kimura, Hamamatsu, JP;
Sanshin Kogyo Kabushiki Kaisha, Hamamatsu, JP;
Abstract
A crankcase ventilation system is provided for an outboard motor having a cowling and a water propulsion device, an internal combustion engine positioned in the cowling and arranged to propel the water propulsion device. The engine having at least one combustion chamber, a crankcase chamber into which blow-by air and fuel from the combustion chamber passes, a lubricating system including an oil filter and an ignition system including an ignition element for initiating combustion in said combustion chamber. The crankcase ventilation system includes an air intake member defining an intake chamber, at least one air intake port providing a source of air for the engine communicating with the intake chamber and an output port in fluid communication with the intake chamber for delivery of the air to the engine from the intake chamber. At least one blow-by port directs blow-by mixture from the crankcase chamber into the intake chamber at a point on the air intake member between the intake port and the output port.