US 11,872,173 B2
Nursing machine host and nursing machine to which same belongs
Weidong Lu, Jiangsu (CN); Qiang Song, Jiangsu (CN); Xinxin Xu, Jiangsu (CN); and Zhouen Li, Jiangsu (CN)
Assigned to SUZHOU ALTON ELECTRICAL & MECHANICAL INDUSTRY CO., LTD., Jiangsu (CN)
Appl. No. 17/292,391
Filed by SUZHOU ALTON ELECTRICAL & MECHANICAL INDUSTRY CO., LTD., Jiangsu (CN)
PCT Filed Oct. 28, 2019, PCT No. PCT/CN2019/113655
§ 371(c)(1), (2) Date May 7, 2021,
PCT Pub. No. WO2020/093897, PCT Pub. Date May 14, 2020.
Claims priority of application No. 201811327035.0 (CN), filed on Nov. 8, 2018.
Prior Publication US 2021/0307983 A1, Oct. 7, 2021
Int. Cl. A61G 9/02 (2006.01); C02F 1/32 (2023.01)
CPC A61G 9/02 (2013.01) [C02F 1/325 (2013.01); C02F 2303/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A main unit of a nursing machine, comprising a first water tank, a second water tank, a water pump, a first waterway, a second waterway, and a third waterway,
wherein the second water tank is provided with a first water inlet and a first water outlet, and the water pump joins the third waterway, water in the second water tank is able to sequentially flow through the first water outlet, the first waterway, the third waterway, and the first water inlet to flow back into the second water tank, and water in the first water tank sequentially flows through the second waterway, the third waterway, and the first water inlet to flow into the second water tank, and
the first water tank is at least partially accommodated in the second water tank; the second water tank is further provided with a water storage space, and the water storage space is located below the first water tank; the first water inlet and the first water outlet are configured to respectively communicate with the water storage space; and the second waterway extends from an inside of the second water tank through the water storage space to an outside of the second water tank.