Patents by Inventor Zengxin Chen

Zengxin Chen 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: 20240026877
    Abstract: A pump head element and a pump head comprising same, and a container. The pump head element comprises a buffer liquid portion (11), an opening portion (12), and a closed end (13); the opening portion (12) has one end communicated with the buffer liquid portion (11) and the other end connected to the closed end (13); the internal space of the buffer liquid portion (11) and the internal space of the opening portion (12) are defined as liquid storage space (14); the liquid storage space (14) has one end closed by an externally provided piston (2) and the other end closed by the closed end (13); and the opening portion (12) comprises an opening (15) through which liquid to be extracted enters or leaves the liquid storage space (14).
    Type: Application
    Filed: June 15, 2023
    Publication date: January 25, 2024
    Applicant: BEIJING RED-SEA TECH CO., LTD.
    Inventors: Zengxin CHEN, Shenglu LI, Jiansong XIA, Chen LI, JINxia WEI, Changchun ZHOU, Haiming WEI, Jingzhe CHEN, Bin CHEN
  • Patent number: 11253851
    Abstract: An initial positioning system and method for liquid measuring and taking. The system comprises a measuring passage, a variable pressure chamber, and a piston, an initial end of the measuring passage being in communication with the upper part of the variable pressure chamber; the piston reciprocates in the variable pressure chamber to cause a change between positive pressure and negative pressure in the variable pressure chamber; the initial positioning system further comprises a pressure relief port located on the wall of the variable pressure chamber and capable of communicating with the outside of the variable pressure chamber; when the piston is located at the pressure relief port, and the inside and outside of the variable pressure chamber are in communication, the maximum volume of the liquid that can be accommodated in the variable pressure chamber is not smaller than one third of the total volume of the variable pressure chamber.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: February 22, 2022
    Assignee: BEIJING RED-SEA TECH CO., LTD.
    Inventors: Zengxin Chen, Changchun Zhou, Shenglu Li, Jingzhe Chen, Bin Chen, Chen Li, Hao Wei
  • Patent number: 10928234
    Abstract: A tool, container and method for extracting a liquid; the tool for extracting a liquid comprises: a pressure-changing means, a liquid-reservoir space, a liquid-drawing channel and an outflow channel; the pressure-changing means comprises a cylinder and a piston capable of moving back and forth in the cylinder; the back-and-forth movement of the piston causes positive and negative pressure changes in the cylinder; a start end of the liquid-reservoir space is in communication with the inside of the cylinder; a temporary liquid-storage groove or an opening is provided on a wall of the cylinder at a horizontal position below a port of the start end of the liquid-reservoir space; the volume of the maximum sealing portion of the cylinder is greater than the volume of the liquid-reservoir space; the liquid-drawing channel communicates with the liquid-reservoir space; the outflow channel communicates with a tail end of the liquid-reservoir space.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: February 23, 2021
    Assignee: BEIJING RED-SEA TECH CO., LTD.
    Inventors: Zengxin Chen, Shenglu Li, Rui Li, Jiaming Wei, Jingzhe Chen, Chen Li, Chen Chen, Hao Wei
  • Publication number: 20200353458
    Abstract: An initial positioning system and method for liquid measuring and taking. The system comprises a measuring passage, a variable pressure chamber, and a piston, an initial end of the measuring passage being in communication with the upper part of the variable pressure chamber; the piston reciprocates in the variable pressure chamber to cause a change between positive pressure and negative pressure in the variable pressure chamber; the initial positioning system further comprises a pressure relief port located on the wall of the variable pressure chamber and capable of communicating with the outside of the variable pressure chamber; when the piston is located at the pressure relief port, and the inside and outside of the variable pressure chamber are in communication, the maximum volume of the liquid that can be accommodated in the variable pressure chamber is not smaller than one third of the total volume of the variable pressure chamber.
    Type: Application
    Filed: May 18, 2020
    Publication date: November 12, 2020
    Applicant: BEIJING RED-SEA TECH CO., LTD.
    Inventors: Zengxin CHEN, Changchun ZHOU, Shenglu LI, Jingzhe CHEN, Bin CHEN, Chen LI, Hao WEI
  • Publication number: 20200309584
    Abstract: A tool, container and method for extracting a liquid; the tool for extracting a liquid comprises: a pressure-changing means, a liquid-reservoir space, a liquid-drawing channel and an outflow channel; the pressure-changing means comprises a cylinder and a piston capable of moving back and forth in the cylinder; the back-and-forth movement of the piston causes positive and negative pressure changes in the cylinder; a start end of the liquid-reservoir space is in communication with the inside of the cylinder; a temporary liquid-storage groove or an opening is provided on a wall of the cylinder at a horizontal position below a port of the start end of the liquid-reservoir space; the volume of the maximum sealing portion of the cylinder is greater than the volume of the liquid-reservoir space; the liquid-drawing channel communicates with the liquid-reservoir space; the outflow channel communicates with a tail end of the liquid-reservoir space.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 1, 2020
    Applicant: BEIJING RED-SEA TECH CO., LTD.
    Inventors: Zengxin CHEN, Shenglu Li, Rui LI, Jiaming WEI, Jingzhe CHEN, Chen LI, Chen CHEN, Hao WEI
  • Patent number: 10260926
    Abstract: Provided is a self-metering container, an initial positioning device thereof and an initial positioning method. The container comprises a container body, a variable pressure component, a metering channel and an outflow channel. When the variable pressure component is depressurized, contents in the container body enter the metering channel; and when the variable pressure component is pressurized, the contents in the metering channel flow outwards via the outflow channel. The container further comprises an initial positioning device. The initial positioning device comprises a backflow cavity, a backflow channel and a component capable of closing the backflow channel. The backflow cavity is in communication with the variable pressure component and the initial end of the metering channel. The initial end of the metering channel is higher than the bottom of the backflow cavity. The backflow channel is in communication with the bottom of the backflow cavity and the container body.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: April 16, 2019
    Assignee: BEIJING RED-SEA TECH CO., LTD.
    Inventor: Zengxin Chen
  • Patent number: 10260925
    Abstract: Provided is a container, which comprises a container body and a cover and further comprises a variable-pressure component, a metering channel, a liquid extraction channel and an outflow channel. The head of the metering channel is in communication with the variable-pressure component, and the tail thereof is in communication with the outflow channel and the liquid extraction channel. A valve, which is opened when the variable-pressure component is pressurized and is closed when the variable-pressure component is depressurized, is provided between the metering channel and the outflow channel. A valve, which is opened when the variable-pressure component is depressurized and is closed when the variable-pressure component is pressurized, is provided between the metering channel and the liquid extraction channel or within the liquid extraction channel. The metering channel, the liquid extraction channel and the outflow channel are fixed to the cover.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: April 16, 2019
    Assignee: BEIJING RED-SEA TECH CO., LTD.
    Inventor: Zengxin Chen
  • Publication number: 20180180458
    Abstract: Provided is a container, which comprises a container body and a cover and further comprises a variable-pressure component, a metering channel, a liquid extraction channel and an outflow channel. The head of the metering channel is in communication with the variable-pressure component, and the tail thereof is in communication with the outflow channel and the liquid extraction channel. A valve, which is opened when the variable-pressure component is pressurized and is closed when the variable-pressure component is depressurized, is provided between the metering channel and the outflow channel. A valve, which is opened when the variable-pressure component is depressurized and is closed when the variable-pressure component is pressurized, is provided between the metering channel and the liquid extraction channel or within the liquid extraction channel. The metering channel, the liquid extraction channel and the outflow channel are fixed to the cover.
    Type: Application
    Filed: June 10, 2016
    Publication date: June 28, 2018
    Inventor: Zengxin CHEN
  • Publication number: 20180172496
    Abstract: Provided is a self-metering container, an initial positioning device thereof and an initial positioning method. The container comprises a container body, a variable pressure component, a metering channel and an outflow channel. When the variable pressure component is depressurized, contents in the container body enter the metering channel; and when the variable pressure component is pressurized, the contents in the metering channel flow outwards via the outflow channel. The container further comprises an initial positioning device. The initial positioning device comprises a backflow cavity, a backflow channel and a component capable of closing the backflow channel. The backflow cavity is in communication with the variable pressure component and the initial end of the metering channel. The initial end of the metering channel is higher than the bottom of the backflow cavity. The backflow channel is in communication with the bottom of the backflow cavity and the container body.
    Type: Application
    Filed: June 10, 2016
    Publication date: June 21, 2018
    Inventor: Zengxin CHEN
  • Patent number: 9746090
    Abstract: A container and method for taking out contained product. The container comprises a container body, a pressure transfer channel, a control valve, a liquid taking channel and an outflow channel, the control valve contains a moving part. The moving part is at different positions along with variation of pressure applied to a variable pressure part, and connection and disconnection of the channels which between the pressure transfer channel and the outflow channel and between the liquid taking channel and the pressure transfer channel are determined by three positions of the moving part. The container can quantitatively take out contained product, is simple in structure and avoid the product to be oxidized or polluted.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 29, 2017
    Assignee: Beijing Red-Sea Tech Co., Ltd.
    Inventors: Zengxin Chen, Shumin Luo
  • Patent number: 9725226
    Abstract: A container used in daily life comprises a container main body, and a pressure channel composed of a pressure transmission channel, a removal channel and an outflow channel connected in series. The pressure channel, attached to a wall of the container main body, has one end in communication with the removal channel and the other end connectable to a pressurizing component provided externally. The pressure transmission channel transmits pressure exerted on the inside of the pressure transmission channel by the pressurizing component provided externally, via a pressure transmission medium inside the channel. A wall of the removal channel is provided with a one-way valve allowing the contents to flow into the pressure channel. The one-way valve opens at the bottom on the inside of the container main body. The outflow channel is used for flowing out the contents from the container and preventing the contents flowing back.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: August 8, 2017
    Assignee: Beijing Red-Sea Tech Co., Ltd.
    Inventor: Zengxin Chen
  • Patent number: 9321579
    Abstract: A daily apparatus for removing a content from a container, a container having a structure of the daily apparatus and a removing method thereof are provided. The apparatus comprises a pressurizing part, a pressure transmitting channel, an outflow channel, and a content-removing part; an inside of the content-removing part and/or the pressure transmitting channel is provided with a piston, the pressure transmitting medium is on a side of the piston, and the content is on the other side; the content-removing part is provided with an opening connected to the content in the container, the opening can be opened or closed by a mobile device; when the pressurizing part is applying a pressure, the opening is closed, the content in the content-removing part flows out; and after the pressure ceases being applied, the pressure transmitting medium flows back, the content in the container enters the content-removing part.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: April 26, 2016
    Assignee: BEIJING RED-SEA TECH CO., LTD.
    Inventor: Zengxin Chen
  • Publication number: 20160002023
    Abstract: A self-measuring container and method for removing content therein, the container comprising: a container body, a pressure changing part, a pressure transferring channel (4), a control valve (5) and an outflow channel (6); a plunger is provided in the pressure transferring channel; the control valve comprises a valve body provided with at least two tubes respectively connected to the container body and the outflow channel, and a valve core provided with an inner channel and at least one passage, the inner channel communicating with the pressure transferring channel and the passage; the valve core is connected to the plunger via a sliding component, thus allowing the plunger to drive the valve core to move in the valve body when the pressure generated by the pressure changing part changes.
    Type: Application
    Filed: March 5, 2014
    Publication date: January 7, 2016
    Applicant: BEIJING RED-SEA TECH CO., LTD.
    Inventors: Zengxin CHEN, Shumin LUO
  • Patent number: 9145291
    Abstract: A container capable of dispensing a quantity of contents less than or equal to a set value. The container includes a main body portion, a pressurizing portion and an outflow channel, wherein the main body portion includes a space for holding the contents and a space for gas, the pressurizing portion increases the gas pressure in the space for gas, and the outflow channel communicates with the space for holding the contents to allow the outflow of the contents; it also includes a moving component in the outflow channel movable with the contents to be taken out, and a gas channel outlet moving with said moving component; on the movement track of the gas channel outlet there is an opening communicating with ambient air and in communication with the gas channel outlet; the other end of the gas channel opens in the space for gas in the main body portion.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: September 29, 2015
    Assignee: BEIJING RED-SEA TECH CO., LTD.
    Inventor: Zengxin Chen
  • Publication number: 20150240959
    Abstract: A container and method for taking out contained product. The container comprises a container body, a pressure transfer channel, a control valve, a liquid taking channel and an outflow channel, the control valve contains a moving part. The moving part is at different positions along with variation of pressure applied to a variable pressure part, and connection and disconnection of the channels which between the pressure transfer channel and the outflow channel and between the liquid taking channel and the pressure transfer channel are determined by three positions of the moving part. The container can quantitatively take out contained product, is simple in structure and avoid the product to be oxidized or polluted.
    Type: Application
    Filed: September 26, 2013
    Publication date: August 27, 2015
    Applicant: Beijing Red-Sea Tech Co., Ltd.
    Inventors: Zengxin Chen, Shumin Luo
  • Publication number: 20150183570
    Abstract: A container used in daily life comprises a container main body, and a pressure channel composed of a pressure transmission channel, a removal channel and an outflow channel connected in series. The pressure channel, attached to a wall of the container main body, has one end in communication with the removal channel and the other end connectable to a pressurizing component provided externally. The pressure transmission channel transmits pressure exerted on the inside of the pressure transmission channel by the pressurizing component provided externally, via a pressure transmission medium inside the channel. A wall of the removal channel is provided with a one-way valve allowing the contents to flow into the pressure channel. The one-way valve opens at the bottom on the inside of the container main body. The outflow channel is used for flowing out the contents from the container and preventing the contents flowing back.
    Type: Application
    Filed: June 27, 2013
    Publication date: July 2, 2015
    Inventor: Zengxin Chen
  • Publication number: 20140326757
    Abstract: A method in daily use for removing a content from a container is provided. The method comprises following steps. A step of applying pressure to a pressure transmitting channel by using a pressurizing part for moving a pressure transmitting medium in the pressure transmitting channel, so that an opening of a content-removing part is closed in a main body of the container, and the content in the content-removing part is moved along the outflow channel through the pressure transmitting medium. A step of stopping the pressurizing part from applying the pressure, so that the content in the content-removing part is no longer flowing out, the pressure transmitting medium flows back along the pressure transmitting channel, the opening of the content-removing part in the main body is opened, and the content in the main body enters the content-removing part from the opening of the content-removing part.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 6, 2014
    Inventor: Zengxin Chen
  • Publication number: 20130153605
    Abstract: A container capable of dispensing a quantity of contents less than or equal to a set value. The container includes a main body portion, a pressurizing portion and an outflow channel, wherein the main body portion includes a space for holding the contents and a space for gas, the pressurizing portion increases the gas pressure in the space for gas, and the outflow channel communicates with the space for holding the contents to allow the outflow of the contents; it also includes a moving component in the outflow channel movable with the contents to be taken out, and a gas channel outlet moving with said moving component; on the movement track of the gas channel outlet there is an opening communicating with ambient air and in communication with the gas channel outlet; the other end of the gas channel opens in the space for gas in the main body portion.
    Type: Application
    Filed: September 5, 2011
    Publication date: June 20, 2013
    Applicant: BEIJING RED-SEA TECH CO., LTD.
    Inventor: Zengxin Chen
  • Publication number: 20100026085
    Abstract: The said brake system for automotive vehicles of the present invention includes an energy-supplying device and a control device, wherein, further includes a wear-resistant component and a linkage component, when the vehicle is braked, the wear-resistant component is attached to a wheel and contacts with the ground, the linkage component is connected to the wear-resistant component and rotates with a shaft outside the wheel fixed to the frame. Under the control of the control device, the energy-supplying device rotates with the shaft outside the wheel, and the brake force is acted on the wheel through the linkage component and the wear-resistant component. Its energy-supplying device may include an elastic component and can turn the braking kinetic energy into elastic potential energy, and when the brake pedal is released, the elastic potential energy is turned into kinetic energy again.
    Type: Application
    Filed: November 16, 2007
    Publication date: February 4, 2010
    Inventor: Zengxin Chen