Oil filter having gas separator

Details Oil filter having gas separator Oil filter having gas separator

B - Operations, Transporting

01

D

B01D 35/28 (2006.01) B01D 19/00 (2006.01) B01D 35/01 (2006.01) B01D 36/00 (2006.01) B04C 5/00 (2006.01) B01D 27/06 (2006.01) B01D 27/10 (2006.01)

Patent

CA 2051719

ABSTRACT OF THE DISCLOSURE An improvement in an oil filter is provided, the oil filter being of the type which comprises a housing opened at one end thereof, a cylindrical first separator unit disposed in the housing for removing solid contaminants from an oil introduced into the housing, and a second separator unit disposed within the first separator unit for removing gaseous contaminants from the oil that has passed through the first separator unit, the second separator unit including a funnel-shaped cyclone defining a chamber arranged to generate a vortical flow of the oil introduced therein to thereby separate gas-rich oil and a removal pipe extending into the chamber along an axial center thereof for discharging the gas-rich oil. The improvement resides in a plurality of elongated pores formed in a wall of the cyclone defining the chamber for allowing the oil containing little gaseous contaminants to flow out of the cyclone. The elongated shape of the pore enables to reduce the number of the pore to be formed without affecting the gas separating function and, therefore, facilitates a manufacture of the cyclone both in a work and a cost involved.

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