E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
E03D1/02—High-level flushing systems
E03D1/04—Cisterns with bell siphons
E03D1/05—Cisterns with bell siphons with movable siphon bells
E03D1/053—Cisterns with bell siphons with movable siphon bells which are pushed upwards by means of own buoyancy, springs, counterweights, or the like
E—FIXED CONSTRUCTIONS
E03—WATER SUPPLY; SEWERAGE
E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
E03D1/02—High-level flushing systems
E03D1/18—Cisterns empty when not in action, e.g. with pressure tanks, with swivel-mounted cisterns
E03D1/183—Cisterns empty when not in action, e.g. with pressure tanks, with swivel-mounted cisterns with bell or tube siphons
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
Y02W10/00—Technologies for wastewater treatment
Y02W10/10—Biological treatment of water, waste water, or sewage