US 12,330,963 B2
Automatic water faucet apparatus
Hiroshi Murayama, Kanagawa (JP)
Assigned to The Yokohama Rubber Co., LTD., Tokyo (JP)
Appl. No. 17/995,899
Filed by The Yokohama Rubber Co., LTD., Tokyo (JP)
PCT Filed Jan. 7, 2021, PCT No. PCT/JP2021/000316
§ 371(c)(1), (2) Date Oct. 10, 2022,
PCT Pub. No. WO2021/210223, PCT Pub. Date Oct. 21, 2021.
Claims priority of application No. 2020-072851 (JP), filed on Apr. 15, 2020.
Prior Publication US 2023/0202878 A1, Jun. 29, 2023
Int. Cl. C02F 1/32 (2023.01); A61L 2/10 (2006.01); C02F 1/00 (2023.01); E03C 1/05 (2006.01)
CPC C02F 1/32 (2013.01) [A61L 2/10 (2013.01); C02F 1/008 (2013.01); E03C 1/057 (2013.01); A61L 2202/11 (2013.01); A61L 2202/14 (2013.01); C02F 2201/326 (2013.01); C02F 2307/06 (2013.01); E03C 2201/40 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An automatic water faucet apparatus configured to discharge and stop water by detecting part of a human body, the automatic water faucet apparatus comprising:
a faucet comprising a water discharge port and attached to a sink;
a hot water storage tank configured to heat water supplied to a water supply channel communicating with the water discharge port and store hot water, the hot water storage tank being provided inside the faucet; and
a first ultraviolet irradiation unit configured to irradiate the hot water stored in the hot water storage tank with ultraviolet rays.