Patents by Inventor Kuo-Kuang Jen
Kuo-Kuang Jen 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).
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Patent number: 11850799Abstract: A powdered surface monitoring system of additive manufacturing comprises an additive manufacturing processing cavity, having therein a working area carrying powder to be sintered; a laser source, generating a laser beam, which passes through a reflector, a dichroic mirror and a scanning vibration mirror and is transmitted to an upper surface of the powder in the working area; a polarization imaging device, having therein a beam expander group, a polarizer group and at least one photodetector, the polarizer group consisting of a plurality of linear polarizers, and the number of photodetectors being equal to the number of the linear polarizers.Type: GrantFiled: October 26, 2022Date of Patent: December 26, 2023Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kuo-Kuang Jen, Yi-Cherng Ferng, Chia-Hsiang Chang, Chun-Hsiang Huang, Yuan-Yao Lin, Chao-Kuei Lee, Yi-Jen Chiu
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Publication number: 20230302735Abstract: A powdered surface monitoring system of additive manufacturing comprises an additive manufacturing processing cavity, having therein a working area carrying powder to be sintered; a laser source, generating a laser beam, which passes through a reflector, a dichroic mirror and a scanning vibration mirror and is transmitted to an upper surface of the powder in the working area; a polarization imaging device, having therein a beam expander group, a polarizer group and at least one photodetector, the polarizer group consisting of a plurality of linear polarizers, and the number of photodetectors being equal to the number of the linear polarizers.Type: ApplicationFiled: October 26, 2022Publication date: September 28, 2023Inventors: KUO-KUANG JEN, YI-CHERNG FERNG, CHIA-HSIANG CHANG, CHUN-HSIANG HUANG, YUAN-YAO LIN, CHAO-KUEI LEE, YI-JEN CHIU
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Patent number: 11768112Abstract: An insert coaxial thermal radiation image evaluating system includes a cage support, first lens, first cage movable frame, second cage movable frame, cage holder and light detector. The first cage movable frame is movably disposed at the cage support and connected to the first lens. The second cage movable frame is movably disposed at the cage support and connected to the light detector. The cage holder is connected to the cage support to fix the cage support to an optical substrate. The first cage movable frame is movably disposed in the cage holder. The first lens and a second lens of a metal additive manufacturing system together form a structure of conjugate foci, such that a thermal radiation generated from a high-power infrared laser irradiation zone forms according to a fixed ratio an image captured by the light detector.Type: GrantFiled: February 25, 2021Date of Patent: September 26, 2023Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Yuan-Yao Lin, Chao-Kuei Lee, Yi-Jen Chiu, Chung-Chun Huang, Qian-Mao Zhou, Ya-Hsuan Cheng, Ming-Wei Liu, Kuo-Kuang Jen, Chih-Peng Chen
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Publication number: 20230204676Abstract: A portable battery detection device includes a battery data receiving module for receiving battery data, a temperature measurement module for measuring battery temperature, a gas measurement module for measuring discharged gas, an insulation resistance measurement module for measuring insulation resistance, a serial impedance measurement module for measuring serial impedance, a data acquisition module for receiving various data sent by the temperature measurement module and the gas measurement module, an electric meter module for measuring DC voltage, current, and impedance, the data integration module for receiving data transmitted by the battery data receiving module, the electric meter module, and the insulation resistance measurement module, and then integrating the data to the processor module, and the processor module for using data received from the data integration module, the data acquisition module, and the serial impedance measurement module to transmit data, control, and manage the operation of thType: ApplicationFiled: December 29, 2021Publication date: June 29, 2023Inventors: DAO-QIN LIN, WEI-MIN HSIAO, SHIH-CHANG TSENG, CHIH-HSIEN CHUNG, GWO-HUEI YOU, KUO-KUANG JEN
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Publication number: 20230201982Abstract: An adjustable fluid machining fixture according to the present disclosure includes a base, having a clamping fixing seat which is used to clamp a workpiece to be machined; at least two guide blocks, disposed above the base and enveloping the workpiece to be machined once assembled to each other, each of the guide blocks provided with a fluid groove on one surface facing the workpiece to be machined, the respective fluid grooves of the guide blocks forming a fluid machining space once the guide blocks are assembled to each other; and at least two limiting units, disposed above the base, the limiting units used to fix the guide blocks and adjust fixed positions of the guide blocks on the base.Type: ApplicationFiled: December 20, 2022Publication date: June 29, 2023Inventors: KUEI-CHIH LI, CHIEN-CHIH SHIH, YI-CHERNG FERNG, YING-SUN HUANG, KUO-KUANG JEN
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Publication number: 20230208141Abstract: A control method for using a battery for energy storage for contract capacity users includes, turning on a demand controller, starting output power calculation and battery power supply control, measuring a power consumption time interval set by a utility company as a cycle time, obtaining a power value that a load can use every minute, measuring and calculating an output power of a utility power output once a minute, and accumulating the output power according to time and comparing it with an accumulative usable contract capacity. When accumulative output power of the utility power output is greater than accumulative usable contract capacity and voltage of the battery is higher than a preset lower limit, start the battery to supply power to the load and when the voltage of the battery is lower than the preset lower limit, the battery will not supply power to the load.Type: ApplicationFiled: December 29, 2021Publication date: June 29, 2023Inventors: CHENG-YU SHIH, SHU-HSIEN WEN, CHIH-HSIEN CHUNG, SHIH-CHANG TSENG, GWO-HUEI YOU, KUO-KUANG JEN
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Publication number: 20230202342Abstract: A control method of a hybrid electric power supply system used by a hybrid electric vehicle comprises obtaining a gradient of the hybrid electric vehicle, a throttle depth, and a power of an electric device, and calculating a required electric power; obtaining a State Of Charge value of two sets of power sources, and obtaining a power distribution value according to the SOC values and power demand; obtaining real-time output power change values of the two sets of power sources, and using double-level fuzzy energy control to obtain a smooth energy distribution value according to output power changes of the two sets of power sources; and obtaining respective output powers of the two sets of power sources according to the smooth energy distribution value, and controlling a Direct Current converter of the hybrid electric vehicle according to final two sets of output power values.Type: ApplicationFiled: December 29, 2021Publication date: June 29, 2023Inventors: PO-LIN SHIH, CHI-SHENG WU, CHIH-HSIEN CHUNG, SHIH-CHANG TSENG, GWO-HUEI YOU, KUO-KUANG JEN
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Patent number: 11675018Abstract: A portable battery detection device includes a battery data receiving module for receiving battery data, a temperature measurement module for measuring battery temperature, a gas measurement module for measuring discharged gas, an insulation resistance measurement module for measuring insulation resistance, a serial impedance measurement module for measuring serial impedance, a data acquisition module for receiving various data sent by the temperature measurement module and the gas measurement module, an electric meter module for measuring DC voltage, current, and impedance, the data integration module for receiving data transmitted by the battery data receiving module, the electric meter module, and the insulation resistance measurement module, and then integrating the data to the processor module, and the processor module for using data received from the data integration module, the data acquisition module, and the serial impedance measurement module to transmit data, control, and manage the operation of thType: GrantFiled: December 29, 2021Date of Patent: June 13, 2023Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Dao-Qin Lin, Wei-Min Hsiao, Shih-Chang Tseng, Chih-Hsien Chung, Gwo-Huei You, Kuo-Kuang Jen
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Patent number: 11658370Abstract: A safety protection device for a battery test system includes a system device, an alternating current changeover switch and a direct current changeover switch. The system device is coupled to a load device. One terminal of the AC changeover switch is coupled to an AC source, the other terminal of the AC changeover switch is coupled to the system device. One terminal of the DC changeover switch is coupled to a battery pack, the other terminal of the DC changeover switch is coupled to the system device. The system device detects in real time a plurality of sets of detection information of the battery pack, performs a plurality of determinations on the plurality of sets of detection information to obtain a plurality of sets of determination information. The system device respectively switches the AC changeover switch and DC changeover switch according to the plurality of sets of determination information.Type: GrantFiled: March 3, 2021Date of Patent: May 23, 2023Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Wei-Min Hsiao, Chih-Hsien Chung, Gwo-Huei You, Kuo-Kuang Jen
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Patent number: 11633824Abstract: The present invention discloses a grinding cavity body of multiple vibration sources, in which a plurality of ultrasonic vibration sources are disposed, capable of controlling the multi-directional macroscopic medium flow, making benefits to the vibration medium (the abrasive of the slurry) to enter the fine structure of the workpiece to be processed, and to the abrasive to vibrate itself slightly to enhance the performance of abrasive to the workpiece which needs to be ground.Type: GrantFiled: December 18, 2019Date of Patent: April 25, 2023Assignee: National Chung-Shan Institute of Science and TechnologyInventors: Po-Shen Lin, Ming-Wei Liu, Chih-Peng Chen, Kuo-Kuang Jen
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Patent number: 11628539Abstract: The present invention discloses a multi-dimensional vibration grinding cavity body. By adjusting amplitudes (power) and frequencies of the multi-dimensional ultrasonic vibration source, such that the multi-directional macroscopic flow is formed in the cavity body while keeping the vibration medium to have the original characteristics to improve the performance of grinding of slurry.Type: GrantFiled: December 18, 2019Date of Patent: April 18, 2023Assignee: National Chung-Shan Institute of Science and TechnologyInventors: Po-Shen Lin, Ming-Wei Liu, Chih-Peng Chen, Kuo-Kuang Jen
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Patent number: 11486052Abstract: Provides an electropolishing treatment method for a stainless steel workpiece, wherein the method comprises the following steps: placing the stainless steel workpiece in an oxalic acid solution and performing supersonic oscillation; performing a first electropolishing treatment to the stainless steel workpiece, wherein the first electropolishing treatment uses the stainless steel workpiece as an anode and 10% to 15% perchloric acid as an electrolyte, and when a constant voltage is set as 12V, the first electropolishing treatment procedure is performed; and performing a second electropolishing treatment to the stainless steel workpiece, wherein the second electropolishing treatment uses the stainless steel workpiece after the first electropolishing treatment as an anode, and an electrolyte consists of ethanol, sulfuric acid and perchloric acid, and when a constant voltage is set as 12V, the second electropolishing treatment is performed to obtain the stainless steel workpiece after the second electropolishingType: GrantFiled: December 27, 2021Date of Patent: November 1, 2022Assignee: NATIONAL CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chun-Hsiang Kao, Yi-Cherng Ferng, Kuo-Kuang Jen, Shun-Yi Jian, Ming-Hsien Lin, Yu-Chih Tzeng, Chia-Yu Lee
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Publication number: 20220285761Abstract: A liquid cooling battery module includes a collector, a cell liquid cooler, a plurality of cells, a base, an upper lid and a plurality of copper busbars. The cell liquid cooler has a plurality of multi-port extrusion tubes spaced apart equidistantly and parallelly. The collector is in communication with the multi-port extrusion tubes to thereby form a cooling liquid circulation space. The collector has therein an adaptor in communication with the cooling liquid circulation space. The cells are disposed between the multi-port extrusion tubes parallelly and alternately. The base is disposed below the cell liquid cooler. A plurality of cell positioning slots are disposed at the bottom of the base and adapted to contain the cells. The multi-port extrusion tubes serve as heat-dissipating tubes between the cells to enable the liquid cooling battery module to control temperature and attain uniform distribution of temperature quickly and effectively by liquid cooling.Type: ApplicationFiled: March 3, 2021Publication date: September 8, 2022Inventors: FU-MIN FANG, CHIH-HSIEN CHUNG, GWO-HUEI YOU, KUO-KUANG JEN
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Publication number: 20220285979Abstract: A system with multiple functions of energy storage, Internet of things (IoT) and disaster communication is disclosed. The system includes an energy management controller connected to a power input, a digital meter, an energy storage battery pack, a power inverter, an automatic transfer switch system and a communication device with IoT and wireless communication function, and is used to control the energy storage battery pack into a charge/discharge mode or a protection mode according to a charge/discharge algorithm for the energy storage battery pack and to receive frequency conversion, voice or text messages from the communication device with IoT and wireless communication function. The energy management controller also controls the automatic transfer switch system to enable an emergency power supply control procedure when a utility power grid tripping occurs during a typhoon, an earthquake or any other emergency condition. A control method of the system is also disclosed.Type: ApplicationFiled: March 3, 2021Publication date: September 8, 2022Inventors: SHIH-CHANG TSENG, SHU-HSIEN WEN, CHIH-HSIEN CHUNG, GWO-HUEI YOU, KUO-KUANG JEN
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Publication number: 20220285803Abstract: A safety protection device for a battery test system includes a system device, an alternating current changeover switch and a direct current changeover switch. The system device is coupled to a load device. One terminal of the AC changeover switch is coupled to an AC source, the other terminal of the AC changeover switch is coupled to the system device. One terminal of the DC changeover switch is coupled to a battery pack, the other terminal of the DC changeover switch is coupled to the system device. The system device detects in real time a plurality of sets of detection information of the battery pack, performs a plurality of determinations on the plurality of sets of detection information to obtain a plurality of sets of determination information. The system device respectively switches the AC changeover switch and DC changeover switch according to the plurality of sets of determination information.Type: ApplicationFiled: March 3, 2021Publication date: September 8, 2022Inventors: WEI-MIN HSIAO, CHIH-HSIEN CHUNG, GWO-HUEI YOU, KUO-KUANG JEN
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Publication number: 20220205128Abstract: Provides an electropolishing treatment method for a stainless steel workpiece, wherein the method comprises the following steps: placing the stainless steel workpiece in an oxalic acid solution and performing supersonic oscillation; performing a first electropolishing treatment to the stainless steel workpiece, wherein the first electropolishing treatment uses the stainless steel workpiece as an anode and 10% to 15% perchloric acid as an electrolyte, and when a constant voltage is set as 12V, the first electropolishing treatment procedure is performed; and performing a second electropolishing treatment to the stainless steel workpiece, wherein the second electropolishing treatment uses the stainless steel workpiece after the first electropolishing treatment as an anode, and an electrolyte consists of ethanol, sulfuric acid and perchloric acid, and when a constant voltage is set as 12V, the second electropolishing treatment is performed to obtain the stainless steel workpiece after the second electropolishingType: ApplicationFiled: December 27, 2021Publication date: June 30, 2022Inventors: CHUN-HSIANG KAO, YI-CHERNG FERNG, KUO-KUANG JEN, SHUN-YI JIAN, MING-HSIEN LIN, YU-CHIH TZENG, CHIA-YU LEE
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Patent number: 11335964Abstract: A cold plate for a battery module comprising a plurality of cells that produces heat as charging and discharging is disclosed. The cold plate includes a plurality of first fins distributed in a first subarea of the cold plate; and a plurality of second fins distributed in a second subarea of the cold plate; wherein a second fin coverage of the plurality of second fins distributed in the second subarea is smaller than a first fin coverage of the plurality of first fins distributed in the first subarea when an amount of heat absorption of the second subarea from the plurality of cells is greater than an amount of heat absorption of the first subarea from the plurality of cells.Type: GrantFiled: December 4, 2019Date of Patent: May 17, 2022Assignee: National Chung-Shan Institute of Science and TechnologyInventors: Fu-Min Fang, Kuo-Kuang Jen, Gwo-Huei You, Kuo-An Liang
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Publication number: 20210356326Abstract: An insert coaxial thermal radiation image evaluating system includes a cage support, first lens, first cage movable frame, second cage movable frame, cage holder and light detector. The first cage movable frame is movably disposed at the cage support and connected to the first lens. The second cage movable frame is movably disposed at the cage support and connected to the light detector. The cage holder is connected to the cage support to fix the cage support to an optical substrate. The first cage movable frame is movably disposed in the cage holder. The first lens and a second lens of a metal additive manufacturing system together form a structure of conjugate foci, such that a thermal radiation generated from a high-power infrared laser irradiation zone forms according to a fixed ratio an image captured by the light detector.Type: ApplicationFiled: February 25, 2021Publication date: November 18, 2021Inventors: YUAN-YAO LIN, CHAO-KUEI LEE, YI-JEN CHIU, CHUNG-CHUN HUANG, QIAN-MAO ZHOU, YA-HSUAN CHENG, MING-WEI LIU, KUO-KUANG JEN, CHIH-PENG CHEN
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Patent number: 11169212Abstract: The present invention discloses an external battery short-circuit testing device, configured to perform short-circuit test on a battery pack under test. The external battery short-circuit testing device comprises a plurality of fuses; a Hall current transducer, coupled to the plurality of fuses; a current meter, coupled to the Hall current transducer and the battery pack under test; a voltmeter, coupled to the battery pack under test; a variable resistor, coupled to the Hall current transducer; an electromagnetic switch, coupled to the variable resistor and the battery pack under test; and an operation unit, comprising a voltage measurement unit, a current measurement unit, a temperature measurement unit and a switch control unit.Type: GrantFiled: January 15, 2020Date of Patent: November 9, 2021Assignee: National Chung-Shan Institute of Science and TechnologyInventors: Wei-Min Hsiao, Shih-Chang Tseng, Kuo-Kuang Jen, Gwo-Huei You, Chih-Hsien Chung
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Publication number: 20210246530Abstract: A modified alloy powder includes a powdered alloy; and a carbide powder, mixed in the powdered alloy; wherein the carbide powder has a particle size smaller than that of the powdered alloy, and the carbide powder is dedicated to powder bed selective laser melting and laser metal deposition technology. Being used as a grain refiner and a grain growth inhibitor, the effect of refinement in the grain size of final products and improvement of the workpiece strength can be achieved.Type: ApplicationFiled: February 8, 2021Publication date: August 12, 2021Inventors: KAI-CHUN CHANG, TZU-HOU HSU, AN-CHOU YEH, CHING-YUAN LO, CHIH-PENG CHEN, KUO-KUANG JEN