Patents by Inventor Zuhua Liu

Zuhua Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11808023
    Abstract: A spray washing component for a smart toilet cover and an assembly method thereof are provided. The spray washing component includes a base, a nozzle, and a first motor. A sliding track is disposed on the base. The nozzle has a rack cooperating with the first motor. The first motor drives the nozzle to slide along the base. The first motor is installed at an end away from a jet of the nozzle and drives the nozzle to be displaced through a transmission structure. The transmission structure includes a driving gear, a dual transmission gear, and a conveyor belt. The driving gear is in anti-rotation cooperation with an output shaft of the first motor. The dual transmission gear respectively meshes with the conveyor belt and the rack on the nozzle. The spray washing component and the assembly method solve the large space occupation and insufficient aesthetics of the existing toilet.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: November 7, 2023
    Assignee: KOMOO INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Xiaofa Lin, Xiaoshan Lin, Shan Lin, Guangyong Chen, Zuhua Liu
  • Publication number: 20230128459
    Abstract: After a cleaning device is powered-on and initialized, a water path self-detection method for the cleaning device comprises the following steps: 1) judging whether a low water level switch is turned on; if so, controlling a water inlet valve to be turned on, controlling a water pump to be turned off, and going to step 2; if not, controlling the water pump to be turned on, controlling the water inlet valve to be turned off, and going to step 3; 2) judging whether a water replenishment time exceeds a preset first threshold; if so, a fault is confirmed, and the water inlet valve is controlled to be turned off; and if not, returning to step 1; 3) judging whether the low water level switch is turned on; and 4) judging whether a water pumping time exceeds a preset second threshold.
    Type: Application
    Filed: December 23, 2022
    Publication date: April 27, 2023
    Inventors: Xiaofa LIN, Xiaoshan LIN, Zuhua LIU, Shan LIN, Yongshou HUANG
  • Publication number: 20230097141
    Abstract: A foaming device comprises a valve body, a pump, and a self-suction spray head. The valve body comprises a water inlet port, a liquid inlet port, a mixing cavity, and a liquid outlet port. Each of the water inlet port, the liquid inlet port, and the liquid outlet port is in communication with the mixing cavity, and an input end of the pump is connected to the liquid outlet port to enable the mixing cavity to generate a negative pressure to suck water and foaming agent respectively from the water inlet port and the liquid inlet port for mixing. The self-suction spray head is connected to an output end of the pump, and the self-suction spray head comprises a first air inlet hole and a spray hole to enable mixed liquid to be mixed with air to produce foam to be sprayed out.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Xiaofa LIN, Xiaoshan LIN, Zuhua LIU, Shan LIN, Yanxin XU
  • Publication number: 20230092995
    Abstract: The present disclosure discloses a foaming spraying device and a foaming toilet. The foaming spraying device comprises a foaming spraying body. The foaming spraying body comprises a foaming cavity, a suction port, an accelerating hole, and a foam spraying port, each of which is in communication with a foaming cavity. The accelerating hole is configured to enable a foaming solution to be accelerated to enter the foaming cavity of the foaming spraying body, so that the foaming cavity of the foaming spraying body generates negative pressure to suck air through the suction port and the air is mixed with the foaming solution to form foam.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 23, 2023
    Inventors: Xiaofa LIN, Xiaoshan LIN, Zuhua LIU, Shan LIN
  • Publication number: 20220389699
    Abstract: A spray washing component for a smart toilet cover and an assembly method thereof are provided. The spray washing component includes a base, a nozzle, and a first motor. A sliding track is disposed on the base. The nozzle has a rack cooperating with the first motor. The first motor drives the nozzle to slide along the base. The first motor is installed at an end away from a jet of the nozzle and drives the nozzle to be displaced through a transmission structure. The transmission structure includes a driving gear, a dual transmission gear, and a conveyor belt. The driving gear is in anti-rotation cooperation with an output shaft of the first motor. The dual transmission gear respectively meshes with the conveyor belt and the rack on the nozzle. The spray washing component and the assembly method solve the large space occupation and insufficient aesthetics of the existing toilet.
    Type: Application
    Filed: April 28, 2020
    Publication date: December 8, 2022
    Applicant: KOMOO INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Xiaofa LIN, Xiaoshan LIN, Shan LIN, Guangyong CHEN, Zuhua LIU
  • Publication number: 20220186480
    Abstract: Disclosed are a heating device, a sanitary water supply device, and a sanitary cleaning device. The heating device comprises a main body and one or more ceramic heating plates. The main body comprises a heating cavity, and the one or more ceramic heating plates are disposed in the heating cavity to define a heating channel within the heating cavity. A first water inlet is defined at a first end of the heating channel, and a first water outlet is defined at a second end of the heating channel. The one or more ceramic heating plates comprise a first heating surface and a second heating surface facing away from each other, and a flow direction of cleaning water in the heating channel is along the first heating surface and the second heating surface in sequence.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: Xiaofa Lin, Xiaoshan Lin, Shan Lin, Zuhua Liu, Yanxin Xu
  • Publication number: 20220186482
    Abstract: The present disclosure discloses an anti-siphonage water storage device, a sanitary water supply device, and a sanitary cleaning device. The anti-siphonage water storage device is set in a cleaning water path of a sanitary cleaning device, and the anti-siphonage water storage device comprises a water tank for storing cleaning water. The water tank is disposed with a water inlet structure and a water outlet structure, and the water tank is disposed with an overflow structure. A water outlet surface of the water inlet structure is higher than an overflow surface of the overflow structure.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Inventors: Xiaofa LIN, Xiaoshan Lin, Shan Lin, Zuhua Liu, Genyuan Lin