Classifications

• • 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
  • E03D1/14—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves
  • E03D1/142—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with flushing valves
  • E03D1/144—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with flushing valves having a single flush outlet and an additional float for delaying the valve closure

Definitions

• This invention is related to the dual flush system designed for the toilet reservoir, capable of two different flush volumes as an adjustable small volume and a constant large volume and improvements made on this system.
• a dual flush system is disclosed in the published American patent application US2004/0083542, in prior art.
• the upward motion of the overflow tube is provided by means of a cam mechanism pushing overflow tube upward by pulling a wire connected to a group of buttons.
• the overflow tube and the button group function together such that the overflow tube cannot perform its function without this special button group.
• the system contains too many mechanical parts, and it is deduced that their production costs are high due to their structural complexities.
• the pool floater used for small volume flush pulls the adjustment rod upward, and forces the movable member, which has protrusions to engage the hooks on the overflow pipe and which is connected to the adjustment rod, to rotate towards the overflow pipe, as long as the reservoir is full of water.
• the moveable member is disengaged from the overflow tube and overflow tube with its gasket is seated in to the discharge hole.
• system of the invention can be used with standard overflow tube lifting mechanisms as distinguished from US2004/0083542. This is provided by the connection capability of a part so-called flush lift arm to various lifting mechanisms.
• the object of this invention is, to produce a dual flush system; that is easy to assemble, durable, allowing the user to flush the entire or a predetermined volume of water inside the reservoir; and that can be connected to various lifting mechanisms.
• Another object of the invention is to form a small volume pool floater which is filled both with air and water during operation. It is aimed to obtain more efficiently working small volume discharge function.
• Figure 1 Perspective view of the assembled dual volume flush.
• Figure 2 A different perspective view of the assembled dual volume flush.
• FIG. 1 Frontal section view of the dual volume flush.
• Figure 4. Perspective view of the large volume floater.
• Figure 5. Perspective view of the small volume floater.
• Figure 7 Perspective view of the small volume pool floater.
• Figure 8 Perspective view of the flush body.
• Figure 9. Perspective view of the overflow tube.
• Figure 10. Perspective view of the flush valve base.
• Figure 1 1 Perspective view of the flush lift arm.
• FIG. 1 Perspective view of the flush valve base support.
• Figure 13 Perspective view of the flange.
• Dual flush system (A), flush valve base (1 ), flush valve base sealing gasket (2), flush body (3), overflow tube (4), flush lift arm (5), flush valve base support (8), large volume floater (9), small volume floater (10), small volume adjustment rod (1 1 ), small volume pool floater (12), retaining ring (14), flush gasket (15), flange (16), large volume floater pins (40), large volume floater middle section surface (41 ), large volume floater inner bore surface (42), large volume floater contact surface (43), large volume floater upper surface (44), large volume floater hooks (45), large volume floater inner space (46), floater arm (47), small volume floater pins (50), small volume floater middle section surface (51 ), small volume floater inner bore surface (52), small volume floater contact surface (53), small volume floater upper surface (54), small volume floater hooks (55), floater arm (56), adjustment rod attachment hole of small volume floater (57), adjustment
• Dual flush system (A) used for large or small volume flushing in toilet reservoirs, as shown in assembled form in figures 1 -3, comprises the following mechanical parts; flush valve base (1 ), flush valve base sealing gasket (2), flush body (3), overflow tube (4), flush lift arm (5), flush valve base support (8), large volume floater (9), small volume floater (10), small volume adjustment rod (1 1 ), small volume pool floater (12), retaining ring (14), flush gasket (15), flange (16).
• Large volume floater (9) as shown in figure 4 comprises the following mechanical elements; large volume floater pins (40), large volume floater middle section surface (41 ), large volume floater inner bore surface (42), large volume floater contact surface (43), large volume floater upper surface (44), large volume floater hooks (45), and large volume floater inner space (46).
• the large volume floater (9) shown in figure 4 has a thin sectioned hollow body; which is shaped as a half-cylinder and containing a hole, shaped as a semicircle in the middle where the center of the hole is coincident with the longitudinal axis of the cylinder; which is closed at the top and open at the bottom.
• the large volume floater inner bore surface (42) is in the shape of a semicircle, and the large volume floater contact surface (43) which makes an angle with the large volume floater inner bore surface (42) is placed where the large volume floater inner bore surface (42) intersects the large volume floater upper surface (44).
• the large volume floater hooks (45) extend perpendicularly outward from the large volume floater middle section surface (41 ).
• the large volume floater inner space (46) is the interior part of the large volume floater (9).
• Small volume floater (10) shown in figure 5 comprises the following mechanical details; small volume floater pins (50), small volume floater middle section surface
• small volume floater inner bore surface 52
• small volume floater contact surface 53
• small volume floater upper surface 54
• the small volume floater (10) shown in figure 5 has a thin sectioned body; which is shaped as a half-cylinder and containing a hole, shaped as a semicircle in the middle where the center of the hole is coincident with the longitudinal axis of the cylinder.
• the small volume floater inner bore surface (52) is in the shape of a semicircle, and the small volume floater contact surface (53) which makes an angle with the small volume floater inner bore surface (52) is placed where the small volume floater inner bore surface (52) intersects the small volume floater upper surface (54).
• the small volume floater hooks (55) also extend perpendicularly outward from the small volume floater middle section surface (51 ).
• the small volume floater (10) comprises the adjustment rod attachment hole of small volume floater (57) which has an opening towards the outside of small volume floater (10).
• adjustment rod attachment hooks of small volume floater (58) which are in the form of protrusion.
• small volume floater support rails (59) are used between these two surfaces.
• Small volume adjustment rod (1 1 ) shown in figure 6, comprises the following mechanical elements; adjustment hook (61 ), bearing protrusion to flush body (62), adjustment screw (63), small volume floater stopper (64), attachment surface for small volume floater (65), and attachment protrusions for small volume floater (66)
• the small volume adjustment rod (1 1 ) shown in figure 6, has a body, which is in the form of a long slender bar, comprising the adjustment hook (61 ) on its uppermost side; the bearing protrusion to flush body (62) below the adjustment hook (61 ); the adjustment screw (63) starting from below the bearing protrusion (62) to flush body and extending downwards; small volume floater stopper (64) located where the adjustment screw (63) ends; two attachment protrusions for the small volume floater (66) which are on top of each other, at its lowermost side and attachment surface for the small volume floater (65) between the attachment protrusions for the small volume floater (66).
• Small volume floater stopper (64) is used to prevent small volume pool floater (12) moving on the small volume adjustment rod (1 1 ) to come down any more.
• Small volume pool floater (12) shown in figure 7, comprises the following mechanical details; small volume pool floater middle section surface (71 ), small volume pool floater inner bore surface (72), small volume pool floater water pool (73), small volume pool floater lower surface (74), small volume pool floater stopper (75), small volume pool floater inner space (76), small volume pool floater adjustment rod threaded surface (77) and small volume pool floater lateral columns (78).
• the small volume pool floater (12) shown in figure 7 has a thin sectioned hollow body which is shaped as a half-cylinder which is open at the bottom and having water pool at the top and containing a hole, shaped as a circle part in the middle where the center of the hole is coincident with longitudinal axis of the cylinder; a rectangular opening integrated with this hole to prevent floater (12) to crash overflow tube (4), small volume pool floater lateral columns (78) at its edges and small volume pool floater stopper (75) at outer portions of these surfaces to minimize possible contact between floater and the flush body (12).
• small volume pool floater inner space (76) which belongs to small volume pool floater (12) that comprises such elements, as small volume pool floater middle section surface (71 ), small volume pool floater inner bore surface (72), small volume pool floater lower surface (74), small volume pool floater inner space (76) and small volume pool floater water pool (73) on its upper portion; there is the small volume pool floater adjustment rod threaded surface (77) which is a threaded cylindrical hole extending from top to bottom.
• Flush body (3) shown in figure 8 comprises the following mechanical details; flush body hook (81 ), wall support (82), flush body upper hole (83), flush body upper hole channel (84), flush body lower protrusion (85), adjustment rod attachment hole (86), floater holes (87) and flush body holes (88), flush body upper hole protrusions (89).
• the flush body (3) shown in figure 8 has a body with flush body holes (88) thereon; which is shaped as a hollow cylinder and open at the bottom; containing, the flush body upper hole (83) at the top; two wall supports (82) mutually extending outward as protrusion near the top; flush body lower protrusion (85) made by a diameter enlargement at the lower side; and two flush body hooks (81 ) mutually extending outward in opposite directions as protrusions from the flush body lower protrusion (85).
• the flush body upper hole channels (84) On the inner surface of the flush body upper hole (83), the flush body upper hole channels (84), which are mutually facing each other, are placed.
• the adjustment rod attachment hole (86) next to the flush body upper hole (83).
• flush body holes (87) on the flush body are used to water flow between inside of the flush body and the reservoir during operation.
• flush body upper hole protrusions (89) located circumferentially in the flush body upper hole (83) minimize contact surface between flush body (3) and the overflow tube (4) and enable its up and down movement easier with less friction between overflow tube (4) and flush body (3).
• Overflow tube (4) shown in figure 9, comprises the following mechanical details; hook attachment holes (91 ), overflow tube guiding rail (92), large volume hook (93), small volume hook (94), and ring-gasket seating surface (95).
• the overflow tube (4) shown in figure 9 has a shape of cylindrical hollow tube, which is open at the top and the bottom, containing two hook attachment holes (91 ) for hanging the flush lift arm (5) at the upper side, and also, containing the ring-gasket seating surface (95) made by a diameter reduction where the two retaining rings (14) and the flush gasket (15) in between the rings (14) which are mounted at the lower side.
• On the overflow tube there are two overflow tube guiding rails (92) which are placed mutually and lying from top to bottom. Near the bottom side of the overflow tube guiding rail (92), the large volume hook (93) and the small volume hook (94) lie.
• the large volume hook (93) forms a protruding structure that extends out from the overflow tube guiding rail (92) at a point.
• the small volume hook (94) also forms a protruding structure that extends out from the overflow tube guiding rail (92) above mentioned point.
• Large volume hook (93) is shorter compared to small volume hook (94) and bottom portions of two hooks are angularly adjusted. This region under the large volume hook (93) is placed lower than the region under small volume hook (94).
• the overflow tube guiding rails (92) on the overflow tube (4) are placed in the flush body upper hole channels (84).
• flush valve base (1 ) is placed to the discharge channel of the toilet reservoir, together with the flush valve base sealing gasket (2) on it.
• the flush valve base support (8) of which the upper part is leaned to a fixed point in the reservoir, is connected to the flush valve base (1 ).
• the flange (16) is placed just above the flush valve base (1 ), and it is also is located in at the inner side of the flush body lower protrusion (85).
• the flush body (3) besides, is attached to the hook-attachment parts on the flush valve base (1 ) via its flush body hooks (81 ).
• the hooks on the flush lift arm (5) are attached to the hook attachment holes (91 ) on the overflow tube (4). Due to the fact that the overflow tube guiding rails (92) on the overflow tube (4) are guided in the flush body upper hole channels (84), the overflow tube (4) is guided in the flush body upper hole (83). On the ring-gasket seating surface (95) of the overflow tube (4), two retaining rings (14) and in between the flush gasket (15) are mounted on top of each other. In case of the overflow tube (4) being not pulled upward, the flush gasket (15) closes the hole in the middle of the flush valve base (1 ), and prevents the water flow from the reservoir to the toilet.
• the overflow tube (4) extends downwards throughout hole in the middle of the flange (16). Since large volume floater pins (40) and small volume floater pins (50) are attached to the floater holes (87), which are on the flush body (3), the large volume floater (9) and the small volume floater (10) are positioned inside the flush body (3). Also this positioning is done such that large volume floater pins (40) are near to the small volume floater (10) and small volume floater pins (50) are near to large volume floater (9). For this reason, floater arms (47, 56) holding the large and small volume floater pins (40, 50) fit together turn toward each other and seat on flush body floater holes (87).
• the small volume adjustment rod (1 1 ) is also placed inside the flush body (3); via its bearing protrusion to flush body (62), it leans on the surface just below the adjustment rod attachment hole (86) when the reservoir is full; and at the same time via the small volume floater attachment protrusions (66) at its bottom part, it is attached to the adjustment rod attachment hooks of the small volume floater (58) placed on the small volume floater (10); via its small volume floater attachment surface (65), it is placed on the adjustment rod attachment surface of the small volume floater (57) that is placed on the small volume floater (10).
• the small volume pool floater (12) is also attached to the small volume adjustment rod (1 1 ) via its small volume pool floater threaded surface (77).
• the large volume floater contact surface (43) and the small volume floater contact surface (53) on the large volume floater (9) and the small volume floater (10), respectively, are positioned to lean on the overflow tube (4).
• Air is captured inside the large volume floater inner space (46), and small volume pool floater inner space (76) by the water inside the reservoir during refill and large volume floater (9) and small volume floater (10) rotate upward and lean to the overflow tube by means of forming hinge points of large volume floater pins (40), and small volume floater pins (50) being pivoted on the floater holes (87) on the flush body (3) and by means of buoyant force of the water.
• the overflow tube (4) When the overflow tube (4) is completely lifted upward, the large volume floater hooks (45) are engaged to the region below the large volume hook (93) by contacting of the large volume floater hooks (45) with the large volume hook (93) on the overflow tube (4), the overflow tube (4) is hung on the large volume floater (9) in this position.
• the lifting force of water causing the large volume floater (9) to rotate and lean to the overflow tube (4) begins to decrease, and by the weight of the overflow tube (4) the large volume floater (9) is pushed downward and disengaged from the overflow tube (4) by rotating outwards.
• the volume of the flushed water is the large volume in between the highest water level in the reservoir and the bottom level of the large volume floater (9).
• the overflow tube (4) is lifted upward a shorter distance.
• the small volume floater hooks (55) are engaged to the surface below small volume hook (94) by contacting the small volume floater hooks (55) with small volume hook (94) on the overflow tube (4), the overflow tube (4) is hung on the small volume floater (10) in this position, and at that instant flushing initiates.
• the buoyant force of water causing the small volume floater (10) to rotate and lean on the overflow tube (4) begins to decrease, and by the weight of the overflow tube (4) together with the weight of the small volume pool floater (12) of the pool (73) located above with full of water, the small volume floater (10) is pushed downward and disengaged from the overflow tube (4) by rotating outwards.
• the volume of the flushed water is the small volume in between the highest water level in the reservoir and the bottom level of the small volume pool floater (12) or slightly its lower level.
• the position of the small volume pool floater (12) can be changed upward or downward by means of the threaded surfaces on the small volume adjustment rod (1 1 ) and small volume pool floater (12).
• the dual flush system (A) can also be used in various reservoirs with liquid contents.

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• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Engineering & Computer Science (AREA)
• Hydrology & Water Resources (AREA)
• Public Health (AREA)
• Water Supply & Treatment (AREA)
• Sanitary Device For Flush Toilet (AREA)
• Removal Of Floating Material (AREA)

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• 2006
  • 2006-10-03 EA EA200970322A patent/EA014601B1/ru not_active IP Right Cessation
  • 2006-10-03 WO PCT/IB2006/053609 patent/WO2008041057A1/en active Application Filing
  • 2006-10-03 EP EP06809482A patent/EP2089583A1/de not_active Withdrawn
• 2009
  • 2009-02-16 IL IL197075A patent/IL197075A/en not_active IP Right Cessation
  • 2009-02-23 NO NO20090841A patent/NO20090841L/no not_active Application Discontinuation

Non-Patent Citations (1)

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