公开(公告)号：US10267223B2

公开(公告)日：2019-04-23

申请号：US15801321

申请日：2017-11-01

Applicant: CHONGQING RATO TECHNOLOGY CO., LTD.

Inventor： Ke Chen ,  Heguangnan Zhi ,  Jianguo Bai ,  Tao Jiang

IPC: F02B75/02 ,  F01L1/18 ,  F01M11/00 ,  F01M1/04 ,  F01M11/04 ,  F01M11/06 ,  F01L1/02 ,  F16N19/00 ,  F02B63/02 ,  F01M9/06 ,  F01M9/10 ,  F02B33/18

Abstract: The present utility model discloses a portable four-stroke engine, comprising: an engine body, a flywheel and an oil storage tank, wherein an air valve distribution chamber and a crank shaft chamber are arranged in the engine; a crank shaft is arranged in the crank shaft chamber, and is connected to the flywheel; the oil storage tank is arranged on the engine body, located above the flywheel, and configured to store lubricating oil; a cam and a rocker arm mechanism are arranged in the air valve distribution chamber; and the cam is configured to drive the rocker arm mechanism. The portable four-stroke engine provided by the present utility model has a small volume and therefore has better operation performance.