INTAKE NOISE REDUCTION DEVICE AND WORKING MACHINE

INTAKE NOISE REDUCTION DEVICE AND WORKING MACHINE

PROBLEM TO BE SOLVED: To provide an intake noise reduction device having a simple structure, manufactured inexpensively and arrangeable without requiring a specific installation space. SOLUTION: A plurality of reinforcement plates 24 are fixed to an inner face of an engine hood 20 of an engine cover...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YABE MITSUO, UEMURA JUNJI, IMAMURA KAZUYA, IWASAKI MIKIO, OKAZAWA KOJI, NISHIMINE SUEYOSHI
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an intake noise reduction device having a simple structure, manufactured inexpensively and arrangeable without requiring a specific installation space. SOLUTION: A plurality of reinforcement plates 24 are fixed to an inner face of an engine hood 20 of an engine cover 17. In spaces partitioned by first to fourth reinforcement plates 24a to 24d out of the reinforcement plates 24, an expansion chamber 26 communicated with an intake passage 23 leading to an engine and resonance chambers 27, 28 connected to the expansion chamber 26 via ports 29 are formed. COPYRIGHT: (C)2007,JPO&INPIT