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US 7,494,587 B2Granted
Device having multi-pores magneto-rubber filter
AssigneeNational Central University
InventorsBiing-Hwa Yan, Hsinn-Jyh Tzeng
Life of this patent
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Abstract
A filter is made of a rubber having magnetism to attract metal paricles in a fluid for filtering impurities. The filter can be used in a hydraulic transmission system or even an air filter used in a semiconductor production.
Claims9
A device having a multi-pores magneto-rubber filter, the multi-pores magnetic-rubber filter comprising:
- at least one or more layers of magnetic rubber each layer having a plurality of magnetic filtering holes,
- wherein said magnetic rubber is fabricated by mixing and pressing a polymer and a magnetic iron powder.
Dependencies are inferred from the claim text.