PRESS FOR PRODUCING OF FOOD VEGETABLE OIL Russian patent published in 2007 - IPC C11B1/06 

FIELD: fat-and-oil industry, in particular, production of food vegetable oil.

SUBSTANCE: press has casing with charging hopper and screw, chamber with oil discharge openings and central cake discharge opening. Additional chamber positioned within casing is provided with screw-type pressure member and oil discharge openings. End part of additional chamber is made concave and shaped as sphere with curved slots and opening for transfer of product from one chamber into another. End part of screw is made convex and shaped as sphere. Discharge openings of additional chamber and central cake discharge opening are equipped with adjusting devices formed as movable cone.

EFFECT: increased yield and improved quality of oil prepared from low-oil producing crops.

4 dwg