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).

  • Patent number: 11965061
    Abstract: A ternary composite catalyst of diethylzinc and yttrium trifluoroacetate loaded on chitin for copolymerization of carbon dioxide, epoxy cyclohexane and ethylene oxide is provided. The ternary composite catalyst exhibits strong catalytic activity for the ternary copolymerization of carbon dioxide, cyclohexane oxide and ethylene oxide. A high molecular weight and content of ester chain is maintained. Conventional rare earth ternary catalysts leave residues in the polymer, and the polymer requires rinsing with hydrochloric acid. The ternary composite catalyst can be removed through filtration. The average molecular weight of the resulting polycarbonate is more than 100,000, and the ester chain content is more than 90%. The resulting polymer has a lower metal content. The ternary composite catalyst can be used in agricultural film, disposable packaging and other polymer materials.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: April 23, 2024
    Assignee: Changzhou University
    Inventors: Qun Chen, Mingyang He, Junfeng Qian, Shengchun Chen, Zhonghua Sun, Weiyou Zhou, Zenan Ji
  • Patent number: 11962117
    Abstract: The present disclosure provides a fiber laser light coherent combination system, comprising: a modulator module configured to perform a phase modulation on sub-beams according to pseudo-random sequences orthogonally independent from each other, and perform a frequency shift on a reference beam according to a set frequency; a fiber laser light amplifier module configured to perform a power amplification on the modulated sub-beams; a laser light collimation emission module configured to collimate and output the sub-beams and the reference beam; a combination sampling module configured to perform a combination of the sub-beams and the reference beam which are collimated and outputted, and convert them into an electrical signal; a digital phase modulation and demodulation module configured to perform a demodulation on the electrical signal according to the shifted frequency and each of the pseudo-random sequences, and obtain a phase difference between each of the sub-beams and the reference beam.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 16, 2024
    Assignee: China South Industry Academy
    Inventors: Zhen Yang, Junfeng Shi, Ye Li, Xinpeng Sun, Lin Xu, Chaoyang Li, Qingsong Li
  • 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
  • Publication number: 20080302710
    Abstract: The invention discloses a pulsating chlorination machine for purification of city water. The machine includes a body, two ends of which are respectively a water inlet and outlet end between which a converging pipe, a throat pipe and a diverging pipe are connected in turn; and a liquefied chlorine input port located below a middle part of the throat pipe and connecting with the throat pipe via a cone-shaped valve seat. A normally closed cone-shaped valve rod is mounted over the cone-shaped valve seat and inserted into the throat pipe through a vertical circular hole on a top of the body, and moves up and down under the control of a pulsating electromagnetic executive mechanism to open/close the liquefied chlorine input port. Through the liquefied chlorine input port the liquefied chlorine flows into the throat pipe and out from the diverging pipe and then into a clear-water reservoir.
    Type: Application
    Filed: June 6, 2008
    Publication date: December 11, 2008
    Inventors: Zhanjun Zhang, Dongwen Shi, Kexin Zhang, Chunying Zhao, Xiangyang Song, Degang Huang, Jianyu Zhang, Wenhong Wu, Ying Lin, Wei Zhang, Junfeng Sun, Yonghong Wang, Hongjie Wang, Junya Wang, Jianhua Yan, Xiang Dong, Wenjie Mao, Ling Shen, Feng Shen, Xianwu Liu