GB/T 726-1994
ActiveReciprocating internal combustion engines--Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and locations on an engine
往复式内燃机 旋转方向、气缸和气缸盖上气门的标志及直列式内燃机右机、左机和发动机方位的定义
Application Summary AI generated
This standard defines the conventions for designating the direction of rotation, cylinder numbering, and valve positions in reciprocating internal combustion engines. It is applied in the design, manufacturing, and testing of in-line engines to ensure consistent terminology across the industry. The standard is used by engineers and procurement professionals to avoid confusion in engine assembly, maintenance, and documentation.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.