US 12,442,171 B2
Seat assembly, a seat device, a body cleaning system, a seat device for a toilet, a pre-flush system, and a toilet
Pingsheng Yao, Shanghai (CN)
Assigned to Kohler (China) Investment Co., Ltd., Shanghai (CN)
Filed by Kohler (China) Investment Co., Ltd., Shanghai (CN)
Filed on Jul. 25, 2023, as Appl. No. 18/225,978.
Claims priority of application No. 202210926066.8 (CN), filed on Aug. 3, 2022; application No. 202222036209.6 (CN), filed on Aug. 3, 2022; application No. 202222036216.6 (CN), filed on Aug. 3, 2022; and application No. 202222036463.6 (CN), filed on Aug. 3, 2022.
Prior Publication US 2024/0044121 A1, Feb. 8, 2024
Int. Cl. E03D 9/08 (2006.01); A47K 13/24 (2006.01); F16K 11/00 (2006.01); F16K 24/04 (2006.01)
CPC E03D 9/08 (2013.01) [A47K 13/24 (2013.01); F16K 19/00 (2013.01); F16K 24/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A seat device, comprising:
a seat base, comprising:
a cold water inlet end; and
a hot water inlet end;
a spray pipe, comprising an inlet end;
a temperature control system configured to generate water having a predetermined temperature by mixing cold water and hot water, the temperature control system comprising:
an inlet end connected to the cold water inlet end of the seat base and the hot water inlet end of the seat base; and
an outlet end connected to the inlet end of the spray pipe; and
a pre-flush system, comprising:
an inlet end connected to the hot water inlet end or the outlet end of the temperature control system; and
an outlet end connected to the inlet end of the spray pipe.
 
17. A toilet, comprising:
a toilet body; and
a seat device disposed at a rear end of the toilet body, the toilet body comprising:
a seat base, comprising:
a cold water inlet end; and
a hot water inlet end;
a spray pipe, comprising an inlet end;
a temperature control system configured to generate water having a predetermined temperature by mixing cold water and hot water, the temperature control system comprising:
an inlet end connected to the cold water inlet end of the seat base and the hot water inlet end of the seat base; and
an outlet end connected to the inlet end of the spray pipe; and
a pre-flush system, comprising:
an inlet end connected to the hot water inlet end or the outlet end of the temperature control system; and
an outlet end connected to the inlet end of the spray pipe.
 
18. A method for flushing water residual out of a spray pipe by using a seat device, comprising:
maintaining, by a control mechanism of the seat device, a drain valve diaphragm in a closed state when the control mechanism is not triggered;
triggering the control mechanism to open the drain valve diaphragm, in response to a pressure on a seat of the seat device generated by a user; and
discharging hot water from a hot water inlet end of the seat device into the spray pipe to flush the water residual out of the spray pipe when the drain valve diaphragm is opened.