Patents by Inventor Tsang-Ming Chang

Tsang-Ming Chang 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: 20080057377
    Abstract: The present invention discloses an uniform flow channel board for fuel cell, which at least comprises a fuel inlet for introducing fuel, and a plurality of channels connected to the fuel inlet. For the uniform flow channel board according to the present invention, the flowing cross-sectional areas of these channels are not equal to each other, and would have about 10%˜30% difference after calculation for determination of uniformity. The flowing cross-section means the size of cross-section for the fuel flowing through the channel.
    Type: Application
    Filed: August 30, 2007
    Publication date: March 6, 2008
    Inventors: TSANG-MING CHANG, Chih-Jung Kao, Chien-An Chen, Wen Jui Chuang
  • Publication number: 20080050636
    Abstract: A liquid fuel mixer is disclosed, which is used to store liquid fuels for a fuel cell. The liquid fuel mixer includes a casing, one or more radiators and a gas permeable but liquid impermeable film. The casing forms a first internal compartment and a second internal compartment, and the first internal compartment is adjacent to the second internal compartment. The casing next to and separating the first internal compartment from the second internal compartment includes at least one vent and at least one drain. The second internal compartment contains the liquid fuels. The radiators are disposed in the first internal compartment. The gas permeable but liquid impermeable film is disposed on the vent. To avoid water condensing on the walls, the bottom of the first internal compartment includes a slopping channel and/or a flow-guilding channel, and the drain is disposed on the end of the lower portion of the slopping channel or the flow-guilding channel.
    Type: Application
    Filed: August 18, 2007
    Publication date: February 28, 2008
    Inventors: HSI-MING SHU, TSANG-MING CHANG, WEI-LI HUANG, CHIEN-AN CHEN, WEN JUI CHUANG
  • Patent number: 7335431
    Abstract: The present invention is a fuel cell with embedded series/parallel mechanism, which comprises: an anode circuit board including: anode current collector circuits; anode wirings which are electrically connected to these anode current collector circuit, respectively; anode pads which are configured at the board edge of the anode circuit board and electrically connected to these anode wirings; and, a cathode circuit board including: cathode current collector circuits; cathode wirings which are electrically connected to these cathode current collector circuits, respectively; and, cathode pads which are configured at the board edge of the cathode circuit board and electrically connected to these cathode wirings, in which each cathode pad is corresponding to one opposite anode pad; and, membrane electrode assemblies which are bonded and sandwiched between the anode circuit board and the cathode circuit board; U-shape connection terminals, each of which is clipped between a pair of anode pad and cathode pad in oppos
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: February 26, 2008
    Assignee: ANTIG Technology Co., Ltd.
    Inventors: Tsang-Ming Chang, Chun-Wei Pan, Chia-Hao Chang
  • Publication number: 20080044689
    Abstract: The present invention discloses a pallet-type membrane electrode assembly layer structure, which comprises an upper frame, at least one membrane electrode assembly, and a lower frame; wherein, the upper frame is provided with at least one first opening; the lower frame is provided with at least one second opening, and the second openings are corresponding to the first openings; and, the membrane electrode assemblies are sandwiched between the corresponding first openings and second openings respectively; in which, the upper frame, the membrane electrode assemblies and the lower frame are sequentially laminated and stacked from top to bottom, and the upper frame, the membrane electrode assemblies and the lower frame are bonded as a single-sheet structure by the supersonic vibration frequency welding means; and, the material for the upper frame and the lower frame is selected with the material suitable for supersonic welding.
    Type: Application
    Filed: August 15, 2007
    Publication date: February 21, 2008
    Inventors: HSI-MING SHU, Tsang-Ming Chang, Wei-Li Huang
  • Publication number: 20080038591
    Abstract: A fuel storage device, which contains liquid fuel needed by a fuel cell and is capable of detecting liquid level, includes a main fuel storage tank, a liquid level tube and a liquid level gage. The main fuel storage tank contains liquid fuel. The liquid level tube is disposed independent of the main fuel storage tank and connected to the main fuel storage tank with a short tube section. The liquid level gage is attached to the liquid level tube for measuring liquid level of the liquid fuel.
    Type: Application
    Filed: August 10, 2007
    Publication date: February 14, 2008
    Inventors: HSI-MING SHU, Tsang-Ming Chang, Chien-An Chen, Wen Jui Chuang
  • Publication number: 20080020258
    Abstract: The present invention discloses current collection board for a fuel cell. The current collection board for a fuel cell comprises a substrate and at least one current collection bar. The substrate includes at least one hollow portion. The current collection bars are made of stainless steel. Further, the current collection bars respectively cover the hollow portions of the substrate, and are fixed to the substrate.
    Type: Application
    Filed: July 24, 2006
    Publication date: January 24, 2008
    Inventors: Tsang-Ming Chang, Ko-Chen Shen, Wen-Sen Hsieh
  • Publication number: 20080003486
    Abstract: The present invention is a current collector board for fuel cell, which comprises: a substrate providing with at least one current collector area; at least one wiring, which is configured on the surface of the substrate; and, at least one pre-made current collector sheet, which is made of high conductivity material; wherein, these current collector sheet are tightly bonded, and covering these current collector areas of the substrate, and extending for contacting with these wirings.
    Type: Application
    Filed: April 16, 2007
    Publication date: January 3, 2008
    Inventors: HSI-MING SHU, Tsang-Ming Chang, Chun-Wei Pan
  • Publication number: 20070298300
    Abstract: The present invention discloses a fuel cell device with charger function, which comprises a base, a fuel cell stack, a system fan, a wind cover, a display, a circuit board, a condenser structure, a condensing fan, a mixing tank and a pump. The fuel cell device could not only supply the power to various electronic products for usage and provide with the charger function, but also could charge different electronic products anytime and anywhere to realize the mobile charging idea.
    Type: Application
    Filed: June 25, 2007
    Publication date: December 27, 2007
    Inventors: HSI-MING SHU, Ko Chen Shen, Tsang-Ming Chang, Wei-Li Huang, Feng-Yi Deng, Chih-Jung Kao, Ming-Huang Tsai, Chun-I Pan, Chien-An Chen, Wen Jui Chuang
  • Publication number: 20070292740
    Abstract: A fuel flow board of a fuel cell is disclosed, which is sandwiched between an upper fuel cell board and a lower fuel cell board, and each fuel cell board includes at least a membrane electrode assembly (MEA). The fuel flow board comprises a substrate having a first surface, a second surface and a fuel flowing channel. The fuel flowing channel is individually disposed on each surface in the form of a concave flow-guiding structure. The first surface and the second surface are contacted with the upper fuel cell board and the lower fuel cell board, respectively. The fuel flowing channel on each surface includes a plurality of trenches defined in parallel. The trenches are disposed corresponding to membrane electrode assemblies of the upper fuel cell board and the lower fuel cell board, and are spaced apart and interlaced on the first surface and the second surface.
    Type: Application
    Filed: June 19, 2006
    Publication date: December 20, 2007
    Inventors: HSI-MING SHU, TSANG-MING CHANG, YEAN-DER KUAN, CHIH-JUNG KAO
  • Publication number: 20070275283
    Abstract: The present invention discloses a slim type fuel cell device; wherein, the shell is provided with at least one first internal space and one second internal space, and, the shell portion forming the first internal space is compatible to the profile of the slim-type optical storage drive; the fuel cell stack, which is configured at the front end of the first internal space, and provided with at least one sheet of fuel cell module, in which these fuel cell modules are stacked together. The wind cover is configured in the first inner space, and one end of the wind cover is airtight joined on one side of these fuel cell modules, and the other end is airtight joined with the inlet of the wind box. The wind box is configured in the second inner space, and provided with an inlet and an outlet. A partial structure of the condensing device is configured in the first inner space, and the other partial structure is configured in the second inner space.
    Type: Application
    Filed: May 22, 2007
    Publication date: November 29, 2007
    Inventors: Tsang-Ming Chang, Ko-Chen Shen, Chien-An Chen, Wen-Jui Chuang
  • Publication number: 20070275848
    Abstract: The present invention is disclosed a manufacturing process and a structure of MEA layer for fuel cell. In the present invention, it forms a rigid support to proton exchange membrane with racks that are separately pasted on the upper an lower surface of it, and the area outside where the racks are pasted is defined as the second areas. Catalyst and diffusion layers are formed on the second areas of the upper and lower surface of the proton exchange membrane by means of Nafion solution manufacturing process, which finally forms the MEA layer for electrochemical reaction of the fuel cell on the second area of the proton exchange membrane.
    Type: Application
    Filed: May 23, 2006
    Publication date: November 29, 2007
    Inventors: HSI-MING SHU, Tsang-Ming Chang, Kd-Chen Shen
  • Publication number: 20070264559
    Abstract: The present invention provides a layer lamination integrated fuel cell, which comprises: two sheets of one-sided cathode flow field boards, at least one sheet of two-sided cathode flow field board, at least one sheet of two-sided anode flow field board, and, at least one sheet of bipolar fuel cell boards; in which, the two sheets of one-sided cathode flow field boards are configured on the both outmost sides of the fuel cell; these two-sided cathode flow field boards, these two-sided anode flow field boards, and these bipolar fuel cell boards are configured between the fuel cell in separated layers.
    Type: Application
    Filed: May 13, 2007
    Publication date: November 15, 2007
    Inventors: Tsang-Ming Chang, Chih-Jung Kao, Chun-Wei Pan, Wei-Li Huang
  • Publication number: 20070254201
    Abstract: The present invention is an anode flow field board for fuel cell, which comprises a substrate, and a shunt portion configured on the substrate, an inlet channel structure, at least one slot body, an outlet channel structure, and an outlet hole; wherein, the shunt portion is formed by digging a small area of the substrate as a hollow area; the inlet channel structure is connected between the shunt portion and these slot bodies, and the configured positions for the arrangement of these slot bodies are associated with these configured positions of anodes for each membrane electrode assembly; the outlet channel structure is connected between these slot bodies and the outlet hole; and, the outlet hole is connected to the outlet channel structure, and the outlet hole is formed by digging a small area of the substrate as a hollow area.
    Type: Application
    Filed: April 24, 2007
    Publication date: November 1, 2007
    Inventors: Hsi-Ming Shu, Tsang-Ming Chang, Chih-Jung Kao, Chun-Wei Pan, Wei-Li Huang
  • Publication number: 20070254199
    Abstract: The present invention discloses an assembly method for assembling plate-type membrane electrode assembly layer and the structure thereof; wherein, the assembly method includes the following steps: providing at least one membrane electrode assembly (MEA); providing a frame, in which the frame is provided with at least one first hole, and the opening area of the first hole is slightly smaller than the area of the MEA; providing a bonding sheet, in which the bonding sheet is provided with at least one second hole, and the opening area of the second hole is slightly smaller than the area of the MEA, and each second hole is corresponding to each first hole respectively; placing these MEAs into these first holes on the frame, and covering these MEAs with the bonding sheet; and, pressing the pressing areas on the bonding sheet surrounding these second holes, so the bonding sheet, these MEAs, and the frame stacked sequentially could be joined as a plate-type MEA layer, in which these pressing areas are corresponding
    Type: Application
    Filed: April 27, 2007
    Publication date: November 1, 2007
    Inventors: HSI-MING SHU, Tsang-Ming Chang, Chun-Wei Pan, Chia-Hao Chang
  • Publication number: 20070254202
    Abstract: The present invention is a cathode flow field board for fuel cell, which comprises a substrate, an inlet channel structure configured on the substrate, at least one slot body, an outlet channel structure, a first hollow area, and a second hollow area; wherein, the inlet channel structure is connected between these slot bodies, and the inlet area of the inlet channel structure is a groove structure, and the area of the inlet channel structure connected to these slot bodies employs a hollow structure. The configured positions for the arrangement of these slot bodies are associated with these configured positions of cathodes for each membrane electrode assembly; the outlet channel structure is connected to these slot bodies; and, the first hollow area and the second hollow area are configured associating with the anode flow field board.
    Type: Application
    Filed: April 27, 2007
    Publication date: November 1, 2007
    Inventors: Hsi-Ming Shu, Tsang-Ming Chang, Chih-Jung Kao, Chun-Wei Pan, Wei-Li Huang
  • Publication number: 20070254197
    Abstract: The present invention is a fuel cell with embedded series/parallel mechanism, which comprises: an anode circuit board including: anode current collector circuits; anode wirings which are electrically connected to these anode current collector circuit, respectively; anode pads which are configured at the board edge of the anode circuit board and electrically connected to these anode wirings; and, a cathode circuit board including: cathode current collector circuits; cathode wirings which are electrically connected to these cathode current collector circuits, respectively; and, cathode pads which are configured at the board edge of the cathode circuit board and electrically connected to these cathode wirings, in which each cathode pad is corresponding to one opposite anode pad; and, membrane electrode assemblies which are bonded and sandwiched between the anode circuit board and the cathode circuit board; U-shape connection terminals, each of which is clipped between a pair of anode pad and cathode pad in oppos
    Type: Application
    Filed: April 24, 2007
    Publication date: November 1, 2007
    Inventors: Tsang-Ming Chang, Chun-Wei Pan, Chia-Hao Chang
  • Publication number: 20070235144
    Abstract: A thermopressing device for fabricating a fuel cell is disclosed. The thermopressing device comprises a first press plate, a first heating portion, one or more first hollow portions, a second press plate, a second heating portion, and one or more second hollow portions. The first heating portion is disposed on the first press plate. The first hollow portions are disposed on the first press plate and penetrate through the first press plate. The second heating portion is disposed on the second press plate. The second hollow portions are disposed on the second press plate and penetrate through the second press plate. The first heating portion and the second heating portion serve to supply heat sources.
    Type: Application
    Filed: March 31, 2006
    Publication date: October 11, 2007
    Inventors: Tsang-Ming Chang, Wei-Li Huang, Yean-Der Kuan, Ching-Yi Chang, Chia-Hao Chang, Min-Feng Sung
  • Publication number: 20070231668
    Abstract: A fuel cell device is disclosed, which comprises one or more membrane electrode assemblies and at least one two-sided flow board disposed on one side of the membrane electrode assembly. The two-sided flow board comprises a substrate including one or more flow channels, wherein the flow channels are disposed corresponding to the membrane electrode assemblies. The two-sided flow board also comprises one or more conductive sheets made of a conductive material, wherein the conductive sheets respectively cover the flow channels of the substrate, and are fixed to the substrate. The two-sided flow board further comprises one or more current collection sheets made of a conductive material, wherein the current collection sheets respectively cover the conductive sheets, and are fixed to the conductive sheets.
    Type: Application
    Filed: March 22, 2007
    Publication date: October 4, 2007
    Inventors: Tsang-Ming Chang, Wei-Li Huang, Chih Jung Kao, Yung Hua Lo, Chun-Wei Pan
  • Publication number: 20070186415
    Abstract: A method of manufacturing an anticorrosive bipolar fuel cell board is disclosed and comprises the following steps. Step (a) is to provide a first printed circuit substrate with at least a first predetermined region and etch metal on the regions. Step is to provide a second printed circuit substrate with at least a second predetermined region and etch metal on the regions. Step (c) is to respectively cover an anticorrosive conductive material onto the first predetermined regions of the first printed circuit substrate after step (a) such that an anode current collection board is fabricated. Step (d) is to respectively cover an anticorrosive conductive material onto the second predetermined region of the second printed circuit substrate after step (b) such that a cathode current collection board is fabricated.
    Type: Application
    Filed: February 14, 2006
    Publication date: August 16, 2007
    Inventors: Hsi-Ming Shu, Tsang-Ming Chang, Feng-Yi Deng, Ko-Chen Shen, Wei-Li Huang
  • Publication number: 20070190239
    Abstract: A method of forming serial or parallel fuel cell units is provided and comprises the following steps. A step is to provide a cathode substrate, an anode substrate and at least a membrane electrode assembly (MEA). A step is to form at least a cathode current collection circuitry and at least a first contact on the same surface of the cathode substrate, wherein the cathode current collection circuitry is disposed corresponding to a cathode of the MEA, and the first contact electrically is connected to the cathode current collection circuitry, thereby a cathode current collection plate is fabricated. A step is to form at least an anode current collection circuitry and at least a second contact on the same surface of the anode substrate, wherein the anode current collection circuitry is disposed corresponding to an anode of the MEA, and the second contact is electrically connected to the anode current collection circuit.
    Type: Application
    Filed: February 14, 2006
    Publication date: August 16, 2007
    Inventors: Hsi-Ming Shu, Tsang-Ming Chang, Feng-Yi Deng, Ko-Chen Shen