CPC F04D 29/66 (2013.01) [F04D 29/063 (2013.01)] | 17 Claims |
1. A silencing device comprising:
a housing, having an air inlet and an air outlet and an internal air flow channel, and the air inlet and the air outlet being in communication with each other through the air flow channel;
an oil hole, provided in the housing for discharging oil from the housing; and
an oil guide part, arranged on an outer surface of the housing, wherein the oil guide part is arranged downstream of the oil hole in a flowing direction of the oil from the oil hole, such that the oil drips from the housing after the oil flows from the oil hole to the oil guide part,
wherein the oil hole is provided in a side wall of the housing, and
wherein the oil guide part is arranged on an outer surface of a bottom wall of the housing.
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