ChinaAutoRegs｜GB/T 14097-2023英文版翻译《往复式内燃机 噪声限值》

Reciprocating Internal Combustion Engines—Limit Values of Emitted Noise

CONTENTS

Foreword

1 Scope

2 Normative References

3 Terms and Definitions

4 Measurement Methods

4.1 General

4.2 Acoustic Treatment of Specific Sound Sources

4.3 Operating Conditions

5 Limit Values of Emitted Noise

5.1 Calculation of Limits for Sound Power Level

5.2 Noise Rating

6 Judgment Method

7 Markings

Annex A (Normative) Examples of Engine Noise Rating

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