Patents Assigned to Sentec E&E Co., Ltd.
  • Patent number: 12614988
    Abstract: A low parasitic inductance power module featuring staggered, interleaving conductive members, including: at least one base extending in a length direction, at least one input bus-bar and at least one output bus-bar being disposed on the base; a first unit including a first circuit base portion disposed on the base along the width direction, a plurality of first power devices being disposed on the first circuit base portion, each of the first power devices having paralleled first current input ends and paralleled first current output ends; the first current input ends or the current output ends being conductively connected to the first circuit base portion; and a second unit. The units are serially connected to the bus-bars via staggered, interleaving input conductive members and output conductive members whereby individual inductances generated are mutually counteracted, thus reducing the overall parasitic inductance.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: April 28, 2026
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Jason An Cheng Huang, Kun-Tzu Chen, Liang-Yo Chen, Nai-His Hu, Siao-Deng Huang
  • Patent number: 12593700
    Abstract: A low parasitic inductance power module having staggered, interleaving busbars, including: at least one base extending a long a length direction, the base having at least one current input busbar and at least one current output busbar, the current input busbar and the current out busbar being formed with a plurality of interdigitated contact terminals, respectively; a first unit comprising a first circuit base portion disposed on the base along the width direction, on the first circuit base portion being disposed a plurality of first power devices; and a second unit, whereby when current flows through the units and the individual interdigitated contact terminals, individual inductances produced thereby are cancelled with each other, whereby overall parasitic inductance of the power module is reduced.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: March 31, 2026
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Jason An Cheng Huang, Kun-Tzu Chen, Liang-Yo Chen, Pi-Sheng Hsu
  • Patent number: 12587093
    Abstract: A power apparatus includes a substrate, a first power circuit, and a second power circuit. The substrate includes a first metallization region, a second metallization region, and a third metallization region which are separated from each other. The first power circuit is electrically connected to the first metallization region and the third metallization region, and is arranged across the second metallization region and fails to be in contact with the second metallization region. The second power circuit is electrically connected to the second metallization region and the third metallization region, and fails to be in contact with the first metallization region.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: March 24, 2026
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Jason Huang, Liang-Yo Chen, Pi-Sheng Hsu, Chun-Ming Wei
  • Patent number: 12451817
    Abstract: A power module includes two power input terminals, two main substrates, a plurality of first switches, a plurality of second switches, and a bridge main unit. The bridge main unit is across the two main substrates, and includes a first bridge subunit and a second bridge subunit. Each of the first bridge subunit and the second bridge subunit includes a first conducting region on a bottom surface, and a second conducting region and a third conducting region on a top surface. The first conducting region transmits a current signal of a current path of a switch circuit formed by the power input terminals, the first switches, and the second switches. The second conducting region is connected to the control terminals of the first switches and the second switches. The third conducting region is connected to the output terminals of the first switches and the second switches.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: October 21, 2025
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Jason An Cheng Huang, Liang-Yo Chen, Kun-Tzu Chen, Nai-Hsi Hu
  • Patent number: 12417967
    Abstract: A low parasitic inductance power module featuring staggered interleaving conductive members, including: at least one base extending in a length direction; a substrate on which at least one input bus bar and at least one output bus bar are provided; a first unit including a first circuit base portion disposed on the base in a width direction, a plurality of first power devices being disposed on the first circuit base portion, each first power device having a first current input end and a first current output end which are parallel connected, the first current input end or the first current output end being conducted to the first circuit base portion; and a second unit. The units are serially-connected to the bus bars via input conductive members and output conductive members arrayed in a staggered interleaving mode, whereby to create individual inductances counteracting with each other, reducing overall parasitic inductance.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: September 16, 2025
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Jason An Cheng Huang, Kun-Tzu Chen, Liang-Yo Chen, Nai-His Hu, Siao-Deng Huang
  • Publication number: 20230396187
    Abstract: A power module includes two power input terminals, two main substrates, a plurality of first switches, a plurality of second switches, and a bridge main unit. The bridge main unit is across the two main substrates, and includes a first bridge subunit and a second bridge subunit. Each of the first bridge subunit and the second bridge subunit includes a first conducting region on a bottom surface, and a second conducting region and a third conducting region on a top surface. The first conducting region transmits a current signal of a current path of a switch circuit formed by the power input terminals, the first switches, and the second switches. The second conducting region is connected to the control terminals of the first switches and the second switches. The third conducting region is connected to the output terminals of the first switches and the second switches.
    Type: Application
    Filed: March 31, 2023
    Publication date: December 7, 2023
    Applicant: SENTEC E&E CO., LTD.
    Inventors: Jason An Cheng Huang, Liang-Yo Chen, Kun-Tzu Chen, Nai-Hsi Hu
  • Publication number: 20230080614
    Abstract: A metal honeycomb substrate includes a tubular body, a flat plate, and a wavy plate. The tubular body has a receiving portion. The wavy plate is stacked with the flat plate to form a spiral structure received in the receiving portion. The wavy plate has a wavy-shaped cross section and includes a second region and a continuous region connected to the second region. The wavy-shaped cross section includes peak portions and valley portions. The wavy plate has a solder region overlapping at least one portion of at least one of the second region and the continuous region. Solders are on outer sides of the peak portions and outer sides of the valley portions which are in the solder region. A ratio of an area of the solder region to an area of the wavy plate is in a range between substantially 20% and substantially 66%.
    Type: Application
    Filed: July 28, 2022
    Publication date: March 16, 2023
    Applicant: SENTEC E&E CO., LTD.
    Inventors: Hung-Chang He, Pei-Hua Han
  • Patent number: 11043911
    Abstract: A motor control device with built-in shunt resistor and power transistor is disclosed, comprising a high-thermally conductive substrate; an electrically conductive circuit which is thermo-conductively installed on the high-thermally conductive substrate and includes a first thermal connection pad portion and a second thermal connection pad portion mutually spaced apart; a high power transistor conductively connected to the electrical conducive circuit; and a shunt resistor conductively connected to the high power transistor, respectively including a body whose thermal expansion coefficient is greater than that of the high-thermally conductive substrate, as well as a pair of welding portions extending from the body, in which the body has a prescribed width, and the width of the welding portion is greater than the prescribed width, and the body and the high-thermally conductive substrate are spaced apart such that, upon welding the welding portion to the first thermal connection pad portion and the second therm
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: June 22, 2021
    Assignees: ICP Technology Co., Ltd., Sentec E&E Co., Ltd.
    Inventors: Ho-Chieh Yu, Chen-Cheng-Lung Liao, Chun-Yu Lin, Jason An Cheng Huang
  • Patent number: 10554103
    Abstract: A flexible high-power control device is disclosed for controlling at least one high-power electrical generating/consuming device which has a plurality of electrical terminals and a housing with a non-planar surface and is thermal-conductively connected to an active cooling unit. The flexible high-power control device comprises a flexible thermal-conductive interfacial insulation substrate, at least one circuit layer, and at least one electronic element. The interfacial insulation substrate is attached to the non-planar surface of the electrical generating/consuming device. The circuit layer, which is disposed on the interfacial insulation substrate, includes a plurality of electrical terminals which are electrically connected to the electrical terminals of the electrical generating/consuming device. The electronic element is electrically mounted on the circuit layer to form a control circuit for controlling the electrical generating/consuming device.
    Type: Grant
    Filed: September 10, 2016
    Date of Patent: February 4, 2020
    Assignee: SENTEC E&E CO., LTD.
    Inventors: An-Tai Huang, Chun-Hung Lin
  • Patent number: 10323851
    Abstract: A UV tube for killing microorganisms in a fluid generally includes a hollow tubular body, a UV isolation layer, and at least one UV light source. The hollow tubular body has an inlet port, an outlet port, and a fluid channel portion between the inlet port and the outlet port. The fluid channel portion has an inner surface. The UV isolation layer is disposed at the inner surface of the hollow tubular body for sheltering the inner surface of the hollow tubular body. The fluid is allowed to flow through the UV isolation layer. The UV light source is provided at the hollow tubular body and/or the UV isolation layer. The UV isolation layer can absorb and/or reflect the ultraviolet light emitting from the UV light source, so that the possibility of the fluid channel portion being irradiated by the UV light can be reduced.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: June 18, 2019
    Assignee: Sentec E&E Co., Ltd.
    Inventors: Jason An-Cheng Huang, Tzu-Chi Cheng
  • Patent number: 10035097
    Abstract: A fuel tank cap includes a casing; a main chamber disposed in the casing; a vapor vent channel disposed in the casing and communicating with the main chamber; annular partition walls disposed in the main chamber and configured to divide the main chamber into troughs surrounding a central tunnel, each partition wall including a cut so that the troughs and the tunnel are capable of communicating with each other via the cut; activated carbon filled in the troughs; and a permeable plug disposed in the tunnel, which is made by wrapping rust-resistant flexible wires so that a plurality of intercommunicated air gaps are formed among the flexible wires. The vapor vent channel includes the cuts, the troughs and the air gaps. The activated carbon captures fuel vapors and absorbs VOCs in the fuel vapors when the fuel vapors pass through the vapor vent channel.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: July 31, 2018
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Chun-Chi Chou, Chia-Ming Yu
  • Patent number: 9737843
    Abstract: A fuel tank cap includes a casing; a main chamber disposed in the casing; a vapor vent channel disposed in the casing and communicating with the main chamber; annular partition walls disposed in the main chamber and configured to divide the main chamber into troughs, each partition wall including a cut so that the troughs are capable of communicating with each other via the cut; and activated carbon filled in the troughs. The vapor vent channel includes the cuts and the troughs. The activated carbon captures fuel vapors and absorbs VOCs in the fuel vapors when the fuel vapors pass through the vapor vent channel. The invention eliminates the low efficiency problem of capturing the harmful VOCs of the fuel vapors by the conventional activated carbon canister.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: August 22, 2017
    Assignee: SENTEC E&E CO., LTD.
    Inventors: Chun-Chi Chou, Chia-Ming Yu
  • Patent number: 7263826
    Abstract: A muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe comprises a muffler divided into three chambers, a first chamber, a second chamber, and a third chamber; a front exhaust pipe; a front reduction catalyst; a rear exhaust pipe provided with a secondary air inlet behind the reduction catalyst for introducing secondary air therein. Thereby, the exhaust gas from an engine with air-to-fuel ratio less than or equal to 14.7 will firstly pass the reduction catalyst to have its nitrogen oxides (NOX) effectively inverted into nitrogen (N2) and oxygen (O2), and then secondary air will be added to the exhaust gas so as to increase its air-to-fuel ratio to larger than 14.7, and finally the exhaust gas will pass the oxidation catalyst to have its carbon monoxide (CO) and hydrocarbons (HC) effectively inverted into carbon dioxide (CO2) and water (H2O).
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: September 4, 2007
    Assignee: Sentec E&E Co., Ltd.
    Inventor: Hsiao Chung Wu
  • Patent number: 7225798
    Abstract: A device combines a fuel control valve in a hollow can and a carbon canister, which can be further combined with a fuel tank. The device has a first chamber for preventing draining fuel and a second chamber containing active carbon. The first chamber is formed with a gas tube which is connected to the fuel tank and a gas channel connected to the second chamber. The second chamber is formed with a gas return tube. As such, the device combining the fuel control valve and the carbon canister is constructed. The hollow can is assembled to a lateral wall of the fuel tank and the gas tube can be connect with the fuel tank to form an integral structure.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: June 5, 2007
    Assignee: Sentec E&E Co., Ltd.
    Inventors: Aaron Wang, Chun-Chao Huang
  • Patent number: 7225799
    Abstract: A device combining a two-way valve and a carbon canister includes a hollow can, which can be further combined with a fuel tank. The device has a first chamber for regulating inner pressure of the fuel tank and a second chamber containing active carbon. The first chamber is installed with a gas tube which is connected to the fuel tank and a gas channel connected to the second chamber. The second chamber is installed with a gas return tube so as to form the device combining the two-way valve and the carbon canister. The hollow can is assembled to a lateral wall of the fuel tank and the gas tube can be embedded into the fuel tank to form an integral structure.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: June 5, 2007
    Assignee: Sentec E&E Co., Ltd.
    Inventors: Aaron Wang, Chun-Chao Huang
  • Patent number: 7137287
    Abstract: A staged electrode carrier of an O2 sensor comprises a sensor; a detecting end carrier installed in the sensor; the detecting end carrier having a positive lead, a negative lead and a channel communicated to atmosphere; one end of the positive lead of the detecting end carrier having a positive interface exposing in the channel so as to contact the atmosphere and one end of the detecting end carrier having a negative interface exposing from an outer wall of the detecting end carrier to contact gas to be measured; and a transferring end carrier installed in the sensor having a positive lead and a negative lead. A detecting end carrier is made of zirconium oxide, and a transferring end carrier is made of Al2O3, CaO or MgO.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: November 21, 2006
    Assignee: Sentec E&E Co., Ltd.
    Inventor: Hsiao Chung Wu