Patent ID: 9669342
Date: 2017-06-06
CPC Classifications: B01D

Claim:
1. An oil mist collector comprising: a casing unit including an inlet, a first air chamber, a second air chamber, an air guiding orifice corresponding to the second air chamber and communicating with an exterior environment, and a first recycling orifice arranged on a bottom end thereof and communicating with the first air chamber; a first filtering unit disposed in the first air chamber and corresponding to the inlet; a second filtering unit fixed above the air guiding orifice and formed in a hollow cylinder shape, wherein the second filtering unit includes an open rear end, a first lip with a noncircular cross section, a second lip, and a first filtration assembly defined between the first lip and the second lip; a ventilation unit including a motor and a rotary fan rotatably connected with the motor and secured in the second air chamber; wherein the casing unit further includes a holder mounted on a top end thereof and corresponding to the air guiding orifice to hold the second filtering unit; wherein the holder has a groove and a second recycling orifice arranged on a bottom end thereof and communicating with the groove.