Filtering apparatus

Liquid purification or separation – Structural installation – Machinery

Patent

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Details

210391, 210402, 210407, 210408, B01D 3306

Patent

active

049921673

ABSTRACT:
A filtering apparatus for filtering cutting oil containing metal chips so that the filtered cutting oil can be recycled includes a reservoir, a filtering drum journalled within the reservoir and having a filtering screen support and a filtering screen extending about the periphery of the drum and secured to the drum by the filtering screen support, a chip discharge device including a belt entrained around guide rollers for carrying separated metal chips out of the reservoir, a discharged chip receiving bin disposed outside the reservoir adjacent to the discharge end of the chip discharge device and a filtered oil receiving bin disposed outside of the reservoir adjacent to a filtered oil discharge area of the reservoir. The drum is rotated by a motor located atop the reservoir and connected to the drum. An air spray device extends within the drum for spraying air at the filtering screen to dislodge any metal chips clinging to the screen.

REFERENCES:
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patent: 4639258 (1987-01-01), Schellstede et al.
patent: 4724077 (1988-02-01), Uchiyama
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patent: 4895647 (1990-01-01), Uchiyama

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