A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 37/12 (2006.01) B01D 36/02 (2006.01)
Patent
CA 2111215
2111215 9222236 PCTABS00018 A portable cooking oil filtering unit (10) has an outer housing (12) completely enclosing all the filter stages (22, 24, 26) and providing access to the stages for maintenance purposes via doors (51) and removable closures (67, 72). The housing has an inlet conduit (14) for connection to a cooking vat drain outlet (16), and an outlet conduit (20) for returning filtered oil to the cooking vat (18). A first stage filter (22) in the housing is connected to the inlet conduit (14) for filtering relatively large size particles from the oil, and the filtered oil is connected to at least one additional filter stage (24) for filtering smaller particles from the oil. A pump (28) is connected downstream of the final filter stage (26), between that filter stage (26) and the outlet conduit (20), for drawing oil through the filter stages under vacuum rather than pumping it through the filters under positive pressure. One of the filter stages is accessible to allow oil-life enhancing chemicals to be added to the oil.
Hauser Steve G.
Haynes Dan R.
Haynes Sandra
Ignon Roger
Lebo Robert E.
Laroche Filter Systems Inc.
Smart & Biggar
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