Patents by Inventor Junfeng Sun

Junfeng Sun 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).

  • Publication number: 20260160054
    Abstract: A toilet includes a toilet body; a siphon spray head mounting area disposed on a lower side of the toilet body; and a siphon spray head configured to be detachably connected to the siphon spray head mounting area. An outlet direction of a spray flow channel of the siphon spray head is inclined downward relative to a horizontal direction.
    Type: Application
    Filed: April 18, 2025
    Publication date: June 11, 2026
    Inventors: Junfeng Sun, Yuehua Guo
  • Patent number: 12523030
    Abstract: A toilet foam generating mechanism includes: a foam generating cavity, including a foam outlet; a foam spray nozzle in communication with the foam outlet; and a foaming liquid adding passage in communication with the foam generating cavity. The foaming liquid adding passage includes: a foaming liquid chamber; and a liquid suction device, including a first end in communication with the foaming liquid chamber and a second end in communication with the foam generating cavity. The liquid suction device is electrically coupled to a first switching power supply. A control method for spraying foam by a toilet includes determining a current usage scenario of the toilet; determining a foam mode associated with the current usage scenario as a current foam mode according to the current usage scenario of the toilet; and executing the current foam mode.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: January 13, 2026
    Assignee: Kohler (China) Investment Co., Ltd.
    Inventor: Junfeng Sun
  • Publication number: 20250283316
    Abstract: A jet structure of a toilet includes a ceramic wall disposed on a toilet body of the toilet and comprising an opening; a non-ceramic jet body passing through the opening; a connecting assembly configured to fix the non-ceramic jet body on the ceramic wall; and a liquid delivery joint. The liquid delivery joint includes a liquid output portion passing through the non-ceramic jet body and configured to spray water to a jet hole on the toilet body; and at least one liquid input portion in fluid communication with the liquid output portion and configured to be connected to a water supplier. The jet structure of the toilet further includes a locking assembly configured to fixedly connect the liquid delivery joint and the non-ceramic jet body together.
    Type: Application
    Filed: May 27, 2025
    Publication date: September 11, 2025
    Inventor: Junfeng Sun
  • Patent number: 12338613
    Abstract: A water supply mechanism of a toilet includes: a water tank configured to store water; a discharge valve configured to discharge the water in the water tank when the discharge valve is opened and configured to keep the water in the water tank when the discharge valve is closed; a vacuum breaker disposed in the water tank and connected to the discharge valve, the vacuum breaker configured to allow air to enter the discharge valve; a discharge pipe, comprising a gravity discharge channel and a power discharge channel both in fluid communication with the discharge valve and both configured to supply the water in the water tank to a jet hole when the discharge valve is opened; and a discharge power unit in fluid communication with a downstream of the discharge valve and connected to the power discharge channel.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: June 24, 2025
    Assignee: Kohler (China) Investment Co., Ltd.
    Inventor: Junfeng Sun
  • Publication number: 20250171986
    Abstract: A waterway switching assembly includes a control pipe including a first control end; a second control end; and a side opening disposed between the first control end and the second control end. The waterway switching assembly further includes a valve core disposed in the control pipe and configured to move between the first control end and the second control end. The waterway switching assembly further includes a first outlet pipe in fluid communication with the first control end. The waterway switching assembly further includes a second outlet pipe in fluid communication with the second control end.
    Type: Application
    Filed: November 13, 2024
    Publication date: May 29, 2025
    Inventor: Junfeng Sun
  • Publication number: 20250171989
    Abstract: The application discloses a shower water supply device and a water discharge method thereof. The shower water supply device comprises a shower body and a waterway switching assembly. The waterway switching assembly comprises a control pipe, an inlet pipe, a first outlet pipe, a second outlet pipe and a control member. The control pipe comprises a first control end, a second control end and a side opening. The control pipe has a valve core inside; the first outlet pipe comprises a first outlet. The control member is used to control on-and-off of water supply from the inlet pipe to the control member, to the control water discharge from a shower water chamber or a bubble water chamber. The water discharge method of the shower water supply device controls the shower water supply device to discharge water.
    Type: Application
    Filed: November 27, 2024
    Publication date: May 29, 2025
    Applicants: Kohler (China) Investment Co., Ltd., Beijing Kohler Ltd.
    Inventors: Junfeng SUN, Shaopei WEI, Qingfa AI
  • Publication number: 20250153751
    Abstract: The invention relates to a autonomous sensing system for train, comprising: an on-board subsystem used for recognizing an obstacle in a rail operation region; a trackside subsystem used for making up limitations in detection distance of sensors of the on-board subsystem and enhancing detection in key regions out of sight; a handheld mobile terminal subsystem carried and operated by a train attendant and used for checking, displaying and confirmation; a center server subsystem used for acquiring operating states and warning information of other subsystems and performing combinational logic processing based on global state data; and a dispatch terminal subsystem communicating with the center server subsystem and used for acquiring and displaying operating states of lineside subsystems and devices, displaying the position of a train and the installation position of the trackside subsystem, checking alarm information of the subsystems and managing the devices of the subsystems.
    Type: Application
    Filed: November 30, 2022
    Publication date: May 15, 2025
    Inventors: Yaodong JIANG, Yang YANG, Hongzhou CUI, Yun LI, Junfeng SUN, Siyuan WANG, Weixin LIN, Han MEI
  • Publication number: 20240240443
    Abstract: A check valve includes a lower sealing element; an upper sealing element including a flexible part configured to seal the lower sealing element; and a supporting element including a plurality of hollow parts. The supporting element is configured to be mounted in the lower sealing element and mounted at a side where clean water flows into the lower sealing element.
    Type: Application
    Filed: March 29, 2024
    Publication date: July 18, 2024
    Inventors: Junfeng Sun, Yunqing Zang, Minggao Xu
  • Patent number: 11952762
    Abstract: The present disclosure provides a lower position water suction assembly, including a jet flow element configured to convey water in a water tank and outside tap water together into a bowl part of a toilet. The lower position water suction assembly also includes a lower position water suction pipe connected to the jet flow element and configured to convey the water in a lower portion of the water tank into the jet flow element. The lower position water suction pipe includes a water suction pipe port comprising a plurality of projections configured to contact an inner bottom surface of the water tank and draw the water from the lower portion of the water tank.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: April 9, 2024
    Assignee: Shanghai Kohler Electronics, Ltd.
    Inventors: Junfeng Sun, Yunqing Zang, Minggao Xu
  • Publication number: 20230183960
    Abstract: The present disclosure provides a lower position water suction assembly, including a jet flow element configured to convey water in a water tank and outside tap water together into a bowl part of a toilet. The lower position water suction assembly also includes a lower position water suction pipe connected to the jet flow element and configured to convey the water in a lower portion of the water tank into the jet flow element. The lower position water suction pipe includes a water suction pipe port comprising a plurality of projections configured to contact an inner bottom surface of the water tank and draw the water from the lower portion of the water tank.
    Type: Application
    Filed: January 31, 2023
    Publication date: June 15, 2023
    Inventors: Junfeng Sun, Yunqing Zang, Minggao Xu
  • Publication number: 20230151601
    Abstract: A toilet foam generating mechanism includes: a foam generating cavity, including a foam outlet; a foam spray nozzle in communication with the foam outlet; and a foaming liquid adding passage in communication with the foam generating cavity. The foaming liquid adding passage includes: a foaming liquid chamber; and a liquid suction device, including a first end in communication with the foaming liquid chamber and a second end in communication with the foam generating cavity. The liquid suction device is electrically coupled to a first switching power supply. A control method for spraying foam by a toilet includes determining a current usage scenario of the toilet; determining a foam mode associated with the current usage scenario as a current foam mode according to the current usage scenario of the toilet; and executing the current foam mode.
    Type: Application
    Filed: November 1, 2022
    Publication date: May 18, 2023
    Inventor: Junfeng Sun
  • Publication number: 20230122517
    Abstract: The present disclosure relates to a water supply mechanism of a toilet, comprising: a water tank configured to store water; a discharge valve configured to discharge the water in the water tank when the discharge valve is opened and configured to keep the water in the water tank when the discharge valve is closed; a vacuum breaker disposed in the water tank and connected to the discharge valve, the vacuum breaker configured to allow air to enter the discharge valve; a discharge pipe, comprising a gravity discharge channel and a power discharge channel both in fluid communication with the discharge valve and both configured to supply the water in the water tank to a jet hole when the discharge valve is opened; and a discharge power unit in fluid communication with a downstream of the discharge valve and connected to the power discharge channel.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 20, 2023
    Inventor: Junfeng Sun
  • Patent number: 11598078
    Abstract: The present disclosure provides a water supply assembly of a toilet comprising a water input pipe, a water tank, a water suction pump and a water output pipe; wherein the water input pipe is connected to the water tank; clean water enters the water tank through the water input pipe; the water tank is connected to the water suction pump connected to the water output pipe; the water suction pump pumps the clean water inside the water tank into the water output pipe; the water tank comprises a main water tank portion, an auxiliary water tank portion, and a water equalizing pipe connecting between and through the main water tank and the auxiliary water tank. The present disclosure provides a flushing assembly, a water suction assembly, and a check valve for use in the toilet. The present disclosure provides a method, device, and storage for controlling toilet water consumption.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: March 7, 2023
    Assignee: Shanghai Kohler Electronics, Ltd.
    Inventors: Junfeng Sun, Yunqing Zang, Minggao Xu
  • Patent number: 11566409
    Abstract: A water supply mechanism for the bowl rim of the toilet is configured to supply water to a bowl of a toilet body of the toilet for flushing, including: an inlet valve assembly communicated with a water source; a water-feeding power unit including a water inlet connected with the inlet valve assembly and a water outlet communicated with the water inlet of the water-feeding power unit; and an outlet pipe connected with the water outlet of the water-feeding power unit and communicated with a water channel at the bowl rim of the toilet body. Compared with the prior art, the toilet body is flushed under sufficient water pressure, so that the toilet body can be made cleaner.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: January 31, 2023
    Assignee: Kohler (China) Investment Co., Ltd.
    Inventor: Junfeng Sun
  • Publication number: 20220275617
    Abstract: The present disclosure provides a water supply assembly of a toilet comprising a water input pipe, a water tank, a water suction pump and a water output pipe; wherein the water input pipe is connected to the water tank; clean water enters the water tank through the water input pipe; the water tank is connected to the water suction pump connected to the water output pipe; the water suction pump pumps the clean water inside the water tank into the water output pipe; the water tank comprises a main water tank portion, an auxiliary water tank portion, and a water equalizing pipe connecting between and through the main water tank and the auxiliary water tank. The present disclosure provides a flushing assembly, a water suction assembly, and a check valve for use in the toilet. The present disclosure provides a method, device, and storage for controlling toilet water consumption.
    Type: Application
    Filed: May 12, 2022
    Publication date: September 1, 2022
    Inventors: Junfeng Sun, Yunqing Zang, Minggao Xu
  • Patent number: 11371228
    Abstract: The present disclosure provides a water supply assembly of a toilet comprising a water input pipe, a water tank, a water suction pump and a water output pipe; wherein the water input pipe is connected to the water tank; clean water enters the water tank through the water input pipe; the water tank is connected to the water suction pump connected to the water output pipe; the water suction pump pumps the clean water inside the water tank into the water output pipe; the water tank comprises a main water tank portion, an auxiliary water tank portion, and a water equalizing pipe connecting between and through the main water tank and the auxiliary water tank. The present disclosure provides a flushing assembly, a water suction assembly, and a check valve for use in the toilet. The present disclosure provides a method, device, and storage for controlling toilet water consumption.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: June 28, 2022
    Assignee: Kohler Co.
    Inventors: Junfeng Sun, Yunqing Zang
  • Publication number: 20210348374
    Abstract: The present disclosure relates to a sanitary apparatus and method, and discloses a toilet and a water supply mechanism for a bowl rim thereof. In the present disclosure, the water supply mechanism for the bowl rim of the toilet is configured to supply water to a bowl of a toilet body of the toilet for flushing, including: an inlet valve assembly communicated with a water source; a water-feeding power unit including a water inlet connected with the inlet valve assembly and a water outlet communicated with the water inlet of the water-feeding power unit; and an outlet pipe connected with the water outlet of the water-feeding power unit and communicated with a water channel at the bowl rim of the toilet body. Compared with the prior art, the toilet body is flushed under sufficient water pressure, so that the toilet body can be made cleaner.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 11, 2021
    Inventor: Junfeng Sun
  • Publication number: 20200208387
    Abstract: The present disclosure provides a water supply assembly of a toilet comprising a water input pipe, a water tank, a water suction pump and a water output pipe; wherein the water input pipe is connected to the water tank; clean water enters the water tank through the water input pipe; the water tank is connected to the water suction pump connected to the water output pipe; the water suction pump pumps the clean water inside the water tank into the water output pipe; the water tank comprises a main water tank portion, an auxiliary water tank portion, and a water equalizing pipe connecting between and through the main water tank and the auxiliary water tank. The present disclosure provides a flushing assembly, a water suction assembly, and a check valve for use in the toilet. The present disclosure provides a method, device, and storage for controlling toilet water consumption.
    Type: Application
    Filed: December 9, 2019
    Publication date: July 2, 2020
    Inventors: Junfeng Sun, Yunqing Zang, Minggao Xu
  • Patent number: 10114975
    Abstract: An apparatus has a processor and a memory connected to the processor. The memory stores instructions executed by the processor to store a semi-structured document database including a collection of documents having semi-structured data formats. Data redaction rules are defined. Each data redaction rule includes a redaction type and a path expression to a redaction location within a semi-structured data format of a document within the collection of documents. The data redaction rules are applied to form redacted documents. The redacted documents are supplied.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: October 30, 2018
    Assignee: MarkLogic Corporation
    Inventors: Junfeng Sun, Caio Vinicius B. Milani
  • Patent number: 10108742
    Abstract: An apparatus has a processor and a memory connected to the processor. The memory stores instructions executed by the processor to store a semi-structured document database including a collection of documents having semi-structured data formats. Data redaction rules are defined. Each data redaction rule includes a redaction type and a path expression to a redaction location within a semi-structured data format of a document within the collection of documents. At least one data redaction rule includes a configurable range of redaction values and a configurable format for the redaction values. The data redaction rules are applied to form redacted documents. The redacted documents are supplied.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: October 23, 2018
    Assignee: MarkLogic Corporation
    Inventors: Junfeng Sun, Caio Vinicius B. Milani