| 摘要 |
PURPOSE: A crank piston structure for an engine is provided to improve the output and efficiency of an engine by installing a crank between a piston and a connecting rod. CONSTITUTION: A crank piston structure for an engine comprises a crank(4), a connecting rod(5), and a piston(3). The crank connects the piston and the connecting rod and is rotated around the piston. The piston supports the crank so that the crank connected to the connecting rod can be rotated.
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