Siphon valve

A siphon valve assembly, the assembly comprising

• a tubular core having an inner surface and an outer surface;
• a head coupled to and surrounding an upper end of the tubular core;
• a fluid spray initiator coupled to the head;
• a fill valve;
• a first pressurized fluid supply line;
• a second pressurized fluid supply line;
• and
• a fluid supply valve,
• wherein
• a lower end of the head defines a siphon valve inlet,
• a lower end of the tubular core defines a siphon valve outlet,
• the upper end of the tubular core comprises a weir,
• the tubular core is configured to be positioned in a toilet tank and couple to a toilet tank outlet,
• the spray initiator is located towards a center of the head and extends downward through an opening in the head into the tubular core,
• the first pressurized fluid supply line is coupled to the fill valve and the fluid supply valve,
• the second pressurized fluid supply line is coupled to the fluid supply valve and the fluid spray initiator,
• the fluid supply valve is configured to be opened by an actuator, to cause the pressurized fluid to flow through the first pressurized fluid supply line, through the fluid supply valve, and through the second pressurized fluid supply line to the fluid spray initiator, and
• the fluid spray initiator is configured to discharge the pressurized fluid into the tubular core to induce a siphon flow of a surrounding fluid in a toilet tank through the siphon valve inlet, over the weir, out the siphon valve outlet, and into a toilet bowl, and
• wherein the fluid spray initiator is configured to spray the pressurized fluid on an entire perimeter of the tubular core inner surface to form a fluid seal, thereby creating negative pressure in the tubular core and initiating the siphon flow.