US 12,234,629 B2
Flush valve and toilet assembly
David Grover, Stockton, NJ (US); and Richard B. Sudol, Jr., Plainfield, NJ (US)
Assigned to AS America, Inc., Piscataway, NJ (US)
Appl. No. 18/024,003
Filed by AS America, Inc., Piscataway, NJ (US)
PCT Filed Sep. 1, 2021, PCT No. PCT/US2021/048608
§ 371(c)(1), (2) Date Feb. 28, 2023,
PCT Pub. No. WO2022/051331, PCT Pub. Date Mar. 10, 2022.
Claims priority of provisional application 63/073,682, filed on Sep. 2, 2020.
Prior Publication US 2023/0265642 A1, Aug. 24, 2023
Int. Cl. E03D 1/14 (2006.01); E03D 1/32 (2006.01); E03D 1/35 (2006.01)
CPC E03D 1/144 (2013.01) [E03D 1/32 (2013.01); E03D 1/35 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A toilet assembly, comprising
a toilet tank to hold flush water;
a flush valve assembly positioned in the toilet tank;
a toilet bowl; and
a trapway in flow communication with the toilet bowl,
wherein, the flush valve assembly comprises
a flush valve body extending from a flush valve inlet to a flush valve outlet;
a canister having a seal positioned at a lower end and a closed upper end; and
a conduit positioned in an interior of the canister,
wherein
the seal is configured to enclose the flush valve inlet,
the canister is configured to lift from the flush valve inlet to open the valve to initiate a flush cycle,
the canister comprises one or more openings configured to provide flow communication between the canister and the toilet tank, and
the conduit is coupled to the trapway and provides flow communication between the canister and the trapway.
 
13. A flush valve assembly comprising
a flush valve body extending from a flush valve inlet to a flush valve outlet;
a canister having a seal positioned at a lower end and a closed upper end; and
a conduit positioned in an interior of the canister,
wherein
the seal is configured to enclose the flush valve inlet,
the canister is configured to lift from the flush valve inlet to initiate a flush cycle,
the canister comprises one or more openings configured to provide flow communication between the canister and a toilet tank, and
the conduit is configured to couple to a toilet trapway and to provide flow communication between the canister and the trapway.