Shell assembly of air filter

The utility model relates to a shell assembly of an air filter, which comprises a main shell and a first expansion shell, and a silencing part is arranged in the first expansion shell; the main shell comprises an upper shell and a lower shell which are connected, and the first expansion shell is loc...

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Bibliographische Detailangaben
1. Verfasser:	MA WENSONG
Format:	Patent
Sprache:	chi ; 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:	The utility model relates to a shell assembly of an air filter, which comprises a main shell and a first expansion shell, and a silencing part is arranged in the first expansion shell; the main shell comprises an upper shell and a lower shell which are connected, and the first expansion shell is located on one side of the main shell and connected between the upper shell and the lower shell; an air outlet cavity is formed in the upper shell, an air inlet cavity and an air inlet are formed in the lower shell, a first expansion cavity communicated with the air outlet cavity is formed in the first expansion shell, and an air outlet is formed in the first expansion shell. At least part of the silencing part is arranged in the first expansion cavity, a silencing cavity is defined between the silencing part and the first expansion shell, and silencing holes are formed in the silencing part. According to the shell assembly of the air filter, engine noise transmitted into the air filter can be reduced, and meanwhile t