A flush toilet of the present invention includes: a bowl including a waste receiving surface, a rim and a shelf surface, the shelf surface of the bowl including linear portions formed on a right side and a left side, a front arc portion connected to front ends of the linear portions, and a rear arc portion connected to rear ends of the linear portions; a rim spout portion spouting flush water to the shelf surface to form a circulating flow; and the like. Flush water is spouted backward from the rim spout port along the linear portions of the shelf surface; and the shelf surface and the waste receiving surface are coupled by an inner coupling portion, and a curvature radius of the inner coupling portion along a vertical direction is set to a smaller value on a rear end of the bowl than on a front end thereof.

A rimless toilet pan (20) includes a forward end (F), a rearward end (R) and a pan bowl (28). A flushing outlet (32) is in fluid communication with the pan bowl (28). A flushing water inlet (30) is in fluid communication with the pan bowl (28). An inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). A substantially horizontal ledge extends (36) substantially around the bottom of the first sidewall (34). An inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). A flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), the flow splitter (38) is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b). A flushing water flow balancer (40) is on a frontwards part of the first sidewall (34), the flow balancer (40) including an inwardly facing projection (40a, 40b, 40c) extending vertically through at least part of the height of the first sidewall (34) and being positioned substantially symmetrically in relation to a forward to rearward centreline of the toilet pan (20). The flow balancer (40) includes leftward (40a) and rightward (40b) angled surfaces which meet at an innermost edge (40c) that is substantially aligned with the forward to rearward centreline of the toilet pan (20). The leftward (40a) and rightward (40b) angled surfaces are substantially triangular in shape and taper from a relatively wide lower part to a narrowed or pointed upper part.

A rimless toilet pan (20) includes a forward end (F), a rearward end (R) and a pan bowl (28). A flushing outlet (32) is in fluid communication with the pan bowl (28). A flushing water inlet (30) is in fluid communication with the pan bowl (28). An inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). A substantially horizontal ledge extends (36) substantially around the bottom of the first sidewall (34). An inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). A flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), the flow splitter (38) is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b). A flushing water flow balancer (40) is on a frontwards part of the first sidewall (34), the flow balancer (40) including an inwardly facing projection (40a, 40b, 40c) extending vertically through at least part of the height of the first sidewall (34) and being positioned substantially symmetrically in relation to a forward to rearward centreline of the toilet pan (20). The flow balancer (40) includes leftward (40a) and rightward (40b) angled surfaces which meet at an innermost edge (40c) that is substantially aligned with the forward to rearward centreline of the toilet pan (20). The leftward (40a) and rightward (40b) angled surfaces are substantially triangular in shape and taper from a relatively wide lower part to a narrowed or pointed upper part.

A flush toilet is provided, which can restrain flushing water from excessively flowing down to an inner side of a bowl section before the flushing water reaches an upper end portion of a rising flow path, and can effectively restrain from occurring an unwashed region in the bowl section. A flush toilet of the present invention has a bowl section, and the bowl section forms a water conduit formed between the waste receiving surface and the rim section, and the water conduit includes a shelf portion forming an inclined surface lowering toward an outer side from an inner side of the bowl section, or a horizontal surface formed horizontally toward the outer side from the inner side of the bowl section, in at least a part of a rising flow path rising from a low portion of the water conduit.

A flush toilet is provided, which can restrain flushing water from excessively flowing down to an inner side of a bowl section before the flushing water reaches an upper end portion of a rising flow path, and can effectively restrain from occurring an unwashed region in the bowl section. A flush toilet of the present invention has a bowl section, and the bowl section forms a water conduit formed between the waste receiving surface and the rim section, and the water conduit includes a shelf portion forming an inclined surface lowering toward an outer side from an inner side of the bowl section, or a horizontal surface formed horizontally toward the outer side from the inner side of the bowl section, in at least a part of a rising flow path rising from a low portion of the water conduit.

A flush toilet is provided, which can enhance discharge performance of waste from an inside of a water discharge trap conduit even with a smaller amount of flushing water, in the flush toilet discharging waste by a siphon action. A flush toilet of the present invention has a bowl section, a water discharge trap conduit, and a jet spout port connected to a lower portion of the bowl section and opened toward the water discharge trap conduit, with an outlet portion bottom surface of an outlet portion thereof and a bottom surface of the bowl section being connected, and a bottom surface of the bowl section forms a curved surface that diagonally inclines more downward than the outlet portion bottom surface from a tip end of an outlet portion bottom surface of the jet spout port.

A flush toilet is provided, which can advance timing for startup of a siphon action that discharges waste, and can efficiently discharge waste from a water discharge trap conduit. A flush toilet of the present invention has a bowl section, a water discharge trap conduit connected to a lower portion of the bowl section, and a jet spout port that is opened toward the water discharge trap conduit, in the lower portion of the bowl section, and the jet spout port includes an outlet flow path in which a bottom surface extending toward an outlet of the jet spout port and toward a bowl section bottom surface in the lower portion of the bowl section, and a ceiling surface extending toward the outlet and having an inclination toward an upper direction than an inclination of the bottom surface are formed.

A flush toilet is provided, which can advance timing for startup of a siphon action that discharges waste, and can efficiently discharge waste from a water discharge trap conduit. A flush toilet of the present invention has a bowl section, a water discharge trap conduit connected to a lower portion of the bowl section, and a jet spout port that is opened toward the water discharge trap conduit, in the lower portion of the bowl section, and the jet spout port includes an outlet flow path in which a bottom surface extending toward an outlet of the jet spout port and toward a bowl section bottom surface in the lower portion of the bowl section, and a ceiling surface extending toward the outlet and having an inclination toward an upper direction than an inclination of the bottom surface are formed.

A plumbing fixture includes a sump and a trapway extending from sump at an inlet of the trapway. A jet orifice is disposed in the trapway at approximately the inlet and defines an angled axis that is oriented upwardly toward an upper wall of the trapway and rearwardly toward an interior of the trapway. The jet orifice is configured to direct fluid from a fluid supply source to the trapway.

A flushing toilet has a manually operable main discharge valve with a main flushing outlet connected to a flushing outlet below the normal water level in a toilet bowl water trap. The flushing outlet is directed toward the water trap. A generally tangential swirling outlet in an upper region of the toilet bowl is controlled by a separate valve and directed generally horizontally to cause water leaving it to follow a swirling path on the inside of the toilet bowl in a cleansing flush. The water trap has a passage that follows a path of generally squat U-shape with an inlet end opening into the lower end of the toilet bowl, a central region that is lowermost and a water trap outlet the lowermost part of which defines a depth to the water trap. The cross-sectional shape of the passage has a longer vertical axis than its horizontal axis.