COFFEE BOILER Russian patent published in 1997 - IPC

FIELD: domestic utensils and public catering. SUBSTANCE: coffee boiler has upper cooking chamber open from the top and adapted to receive water and a portion of coffee, lower chamber engageable by its sealing device with open end of upper chamber, filter-pump positioned for compression between two chambers and reciprocation, with ready coffee being sucked through filter, device for separating and depressurization of upper and lower chambers by means of levers for releasing compressed filter, device for withdrawal of filter from between chambers, device for removal of sediments from filter during separation of upper chamber from lower chamber and device for returning filter into space between chambers. EFFECT: increased efficiency, simplified construction and maintenance, convenient usage and enhanced reliability in operation. 16 cl, 13 dwg, 1 tbl