Patents by Inventor Zanfeng Zhang

Zanfeng Zhang 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: 8869907
    Abstract: There is provided a hand-held aerosol fire suppression apparatus, having button, thermal insulating layer, jet nozzle, enclosure of apparatus, combustion chamber, rear fender and rear cap, wherein the enclosure of apparatus has an enclosure of cartridge that accommodate a chemical agent and an enclosure of cooling layer that is filled with a cooling material, the combustion chamber is installed between the enclosure of cartridge and the enclosure of cooling layer, the thermal insulating layer is arranged between the enclosure of apparatus and the enclosure of cartridge, between the enclosure of apparatus and the enclosure of cooling layer, and between the rear fender and the chemical agent. Compared to the prior art, the apparatus has the following advantages: compact in size, suitable for hand-held use, lower temperature at the jet orifice, safe and reliable ignition and operation and long service life.
    Type: Grant
    Filed: June 6, 2010
    Date of Patent: October 28, 2014
    Assignee: Shaanxi J & R Fire Fighting Co., Ltd.
    Inventors: Hongbao Guo, Zhenping Deng, Gaofeng Zheng, Sanxue Zhang, Xianfei Zhu, Honghong Liu, Weipeng Zhang, Zanfeng Zhang
  • Patent number: 8844644
    Abstract: There is provided a hand-held aerosol fire suppression apparatus, having safety pole, button, enclosure of cartridge, enclosure of cooling layer, jet nozzle, tapered jet orifice, enclosure of apparatus, combustion chamber, rear fender, piezoelectric ceramics, rear cap and safety ring; wherein the rear cap is screwed to the enclosure of apparatus; the jet nozzle is screwed or fitted to the enclosure of apparatus; a chemical agent is installed in the enclosure of cartridge and a cooling material is installed in the enclosure of cooling layer in the enclosure of apparatus; a thermal insulating layer is installed between the enclosure of apparatus and the enclosure of cartridge, between the enclosure of apparatus and the enclosure of cooling layer, and between the rear fender and the chemical agent; the combustion chamber is installed between the enclosure or cartridge and the enclosure of cooling layer; a groove is arranged on the enclosure of apparatus to facilitate gripping.
    Type: Grant
    Filed: June 6, 2010
    Date of Patent: September 30, 2014
    Assignee: Shaanxi J & R Fire Fighting Co., Ltd.
    Inventors: Hongbao Guo, Zhenping Deng, Gaofeng Zheng, Sanxue Zhang, Xianfei Zhu, Honghong Liu, Weipeng Zhang, Zanfeng Zhang
  • Patent number: 8652346
    Abstract: A fire-extinguishing aerosol composition for common electric apparatuses is disclosed, which includes oxidant, combustible, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than or equal to 15 mass % to less than 20 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than 48 mass % to less than or equal to 52 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the mean particle diameter of all components is less than or equal to 50 ?m. After quenching the fire in a space with the heavy current electric apparatus, the fire-extinguishing aerosol composition of the present invention can ensure that the insulation resistance of the common electric apparatus is ranged from 20M? to 100M?.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: February 18, 2014
    Assignee: Shaanxi J&R Fire Fighting Co., Ltd
    Inventors: Hongbao Guo, Zanfeng Zhang
  • Patent number: 8413733
    Abstract: A new bi-directional horizontal spraying aerosol fire-extinguishing apparatus is disclosed, which comprises a shell structure, an aerosol generator including an aerosol generating agent and disposed inside the shell structure, and a control unit for initiating the aerosol generator. The bi-directional horizontal spraying aerosol fire-extinguishing apparatus of the present invention is characterized in that both ends of the shell structure or of the aerosol generator are respectively provided with an aerosol exhaust passage. The advantages of the present apparatus are in that it can reduce the spraying time of the aerosol extinguishing agent in the case of ensuring the fire-suppression efficiency, and increase the charge capacity of the fire-extinguishing apparatus, so that the capacity efficiency of the present apparatus is totally increased, and the present apparatus is easy and safe to be installed and does not occupy the useful space.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: April 9, 2013
    Assignee: Shaanxi J&R Fire Fighting Co., Ltd.
    Inventors: Hongbao Guo, Zanfeng Zhang, Guoxing Zhang, Peng Xie
  • Patent number: 8231801
    Abstract: A fire-extinguishing aerosol for precision electric appliance is disclosed, which includes oxidant, flammable agent, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than or equal to 5 mass % to less than 15 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than 52 mass % to less than or equal to 60 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the particle average diameter of all components is less than 50 ?m. After quenching the fire in the space in which the precision electric appliance is installed, the fire-extinguishing aerosol composition of the present invention can ensure that the dielectric resistance of the precision electric appliance is more than or equal to 100 M?.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: July 31, 2012
    Assignee: Shaanxi J&R Fire Fighting Co., Ltd.
    Inventors: Hongbao Guo, Zanfeng Zhang
  • Publication number: 20120073838
    Abstract: The present invention relates to an aerosol fire suppression apparatus, comprising enclosure, internal bladder, aerosol generating agent and initiator, and cooling layer in a cellular structure or cooling layer formed by a cellular structure coupled with coolant in a spherical or irregular shape between a chemical agent and jet orifices. The cellular structure employed in the apparatus has a large heat exchange area, which can absorb a great deal of heat in a short time, and therefore delivers good cooling effect; the cellular structure is regular in shape, easy to assemble, and the assembled aerosol fire suppression apparatus is compact in size, space-saving, and easy to install; moreover, the cellular structure can support a catalyst material to remove toxic gases produced from the aerosol, such as nitrogen oxide and carbon monoxide, etc.
    Type: Application
    Filed: June 6, 2010
    Publication date: March 29, 2012
    Applicant: Shaanzi J & R Fire Fighting Ltd
    Inventors: Hongbao Guo, Weipeng Zhang, Zanfeng Zhang, Tendfei Zhai
  • Publication number: 20120067599
    Abstract: The present invention relates to a mini-type automatic aerosol fire suppression apparatus, comprising top cap (1), thermal insulating layer (3), inner cylinder (4), outer cylinder (5), bottom cap (7), sensing element (8), screen (9) and igniter (11), wherein a chemical agent (6) and a cooling layer (10) are installed in the inner cylinder (4), the thermal insulating layer (3) is installed between the inner cylinder (4) and the outer cylinder (5), and the sensing element (8) is designed to sense fire. The volume of the apparatus is not greater than 0.05 m3. Compared to that in the prior art, the apparatus is delicate and easy to install, and is suitable for quick local fire suppression, and can get twice the result with half the effort in such applications.
    Type: Application
    Filed: June 6, 2010
    Publication date: March 22, 2012
    Applicant: SHAANXI J & R FIRE FIGHTING CO., LTD.
    Inventors: Hongbao Guo, Weipeng Zhang, Zanfeng Zhang, Zhenping Deng, Qian Liu, Tengfei Zhai, Sanxue Zhang, Guoxing Zhang, Kun Zhang
  • Publication number: 20120067601
    Abstract: The present invention relates to a hand-held aerosol fire suppression apparatus, comprising safety pole (1), button (2), enclosure of cartridge (4), enclosure of cooling layer (6), jet nozzle (8), tapered jet orifice (9), enclosure of apparatus (10), combustion chamber (11), rear fender (14), piezoelectric ceramics (15), rear cap (17) and safety ring (18); wherein the rear cap (17) is screwed to the enclosure of apparatus (10); the jet nozzle (8) is screwed or fitted to the enclosure of apparatus (10); a chemical agent (5) is installed in the enclosure of cartridge (4) and a cooling material (7) is installed in the enclosure of cooling layer (6) in the enclosure of apparatus (10); a thermal insulating layer (3) is installed between the enclosure of apparatus (10) and the enclosure of cartridge (4), between the enclosure of apparatus (10) and the enclosure of cooling layer (6), and between the rear fender (14) and the chemical agent (5); the combustion chamber (11) is installed between the enclosure of cartrid
    Type: Application
    Filed: June 6, 2010
    Publication date: March 22, 2012
    Applicant: Shaanxi J & R Fire Fighting Co., Ltd.
    Inventors: Hongbao Guo, Zhenping Deng, Gaofeng Zheng, Sanxue Zhang, Xianfei Zhu, Honghong Liu, Weipeng Zhang, Zanfeng Zhang
  • Patent number: 8097667
    Abstract: A fire-extinguishing aerosol composition for heavy current electric apparatuses is disclosed, which includes oxidant, combustible, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than 20 mass % to less than or equal to 35 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than or equal to 30 mass % to less than 48 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the mean particle diameter of all components is less than or equal to 50 ?m. After quenching the fire in a space with the heavy current electric apparatus, the fire-extinguishing aerosol composition of the present invention can ensure that the insulation resistance of the heavy current electric apparatus is more than or equal to 20 M?.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: January 17, 2012
    Assignee: Shaanxi J&R Fire Fighting Co., Ltd.
    Inventors: Hongbao Guo, Zanfeng Zhang
  • Publication number: 20100219366
    Abstract: A fire-extinguishing aerosol for precision electric appliance is disclosed, which includes oxidant, flammable agent, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than or equal to 5 mass % to less than 15 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than 52 mass % to less than or equal to 60 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the particle average diameter of all components is less than 50 ?m. After quenching the fire in the space in which the precision electric appliance is installed, the fire-extinguishing aerosol composition of the present invention can ensure that the dielectric resistance of the precision electric appliance is more than or equal to 100 M?.
    Type: Application
    Filed: November 14, 2007
    Publication date: September 2, 2010
    Inventors: Hongbao Guo, Zanfeng Zhang
  • Publication number: 20100187465
    Abstract: A fire-extinguishing aerosol composition for common electric apparatuses is disclosed, which includes oxidant, combustible, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than or equal to 15 mass % to less than 20 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than 48 mass % to less than or equal to 52 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the mean particle diameter of all components is less than or equal to 50 ?m. After quenching the fire in a space with the heavy current electric apparatus, the fire-extinguishing aerosol composition of the present invention can ensure that the insulation resistance of the common electric apparatus is ranged from 20M? to 100M?.
    Type: Application
    Filed: November 14, 2007
    Publication date: July 29, 2010
    Applicant: SHAANXI J&R FIRE FIGHTING CO., LTD.
    Inventors: Hongbao Guo, Zanfeng Zhang
  • Publication number: 20100179259
    Abstract: A fire-extinguishing aerosol composition for heavy current electric apparatuses is disclosed, which includes oxidant, combustible, adhesive and additive. The composition of the present invention is characterized in that the oxidant is the mixture of the potassium salt and the strontium salt, in which the content of the potassium salt oxidant is more than 20 mass % to less than or equal to 35 mass % of the total mass of the composition, and the content of the strontium salt oxidant is more than or equal to 30 mass % to less than 48 mass % of the total mass of the composition. In the fire-extinguishing aerosol composition of the present invention, the mean particle diameter of all components is less than or equal to 50 ?m. After quenching the fire in a space with the heavy current electric apparatus, the fire-extinguishing aerosol composition of the present invention can ensure that the insulation resistance of the heavy current electric apparatus is more than or equal to 20 M?.
    Type: Application
    Filed: November 14, 2007
    Publication date: July 15, 2010
    Applicant: SHAANXI J&R FIRE FIGHTING CO., LTD.
    Inventors: Hongbao Guo, Zanfeng Zhang
  • Publication number: 20100065285
    Abstract: A new bi-directional horizontal spraying aerosol fire-extinguishing apparatus is disclosed, which comprises a shell structure, an aerosol generator including an aerosol generating agent and disposed inside the shell structure, and a control unit for initiating the aerosol generator. The bi-directional horizontal spraying aerosol fire-extinguishing apparatus of the present invention is characterized in that both ends of the shell structure or of the aerosol generator are respectively provided with an aerosol exhaust passage. The advantages of the present apparatus are in that it can reduce the spraying time of the aerosol extinguishing agent in the case of ensuring the fire-suppression efficiency, and increase the charge capacity of the fire-extinguishing apparatus, so that the capacity efficiency of the present apparatus is totally increased, and the present apparatus is easy and safe to be installed and does not occupy the useful space.
    Type: Application
    Filed: November 15, 2007
    Publication date: March 18, 2010
    Inventors: Hongbao Guo, Zanfeng Zhang, Guoxing Zhang, Peng Xie