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:
Apr. 17, 2001
Filed:
Mar. 08, 2000
Yasutake Ryu, Wako, JP;
Souhei Honda, Wako, JP;
Takao Nishida, Wako, JP;
Takanori Tsugekawa, Wako, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A 4-cycle engine, includes an engine body, having a piston, a crankshaft and a crank chamber, an independent oil reservoir chamber adjacent the crank chamber, the crankshaft extending into the oil reservoir chamber from the crank chamber, an oil mist generator disposed in the independent oil reservoir chamber and being secured to and driven by the crankshaft, and a valve-operating chamber. Further, the engine includes a first passageway connecting the oil reservoir chamber with the crank chamber to provide oil mist communication therebetween, a second passageway connecting the crank chamber with the valve-operating chamber to provide oil mist communication therebetween, and a third passageway connecting the valve-operating chamber with the independent oil reservoir chamber to provide oil communication therebetween, wherein the three chambers and the three passageways form a lubrication oil feed channel to provide one-way circulation of lubrication oil therethrough.