Patents by Inventor Kwo-Yuan Shi
Kwo-Yuan Shi 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: 10105901Abstract: A rapid prototyping apparatus with a page-width array printing module is disclosed. The rapid prototyping apparatus includes a construction platform, a movable platform and a page-width array printing module. The construction platform has a construction chamber. The length of the construction chamber is ranged from 0.8 m to 1.5 m, the width of the construction chamber is ranged from 0.8 m to 1.5 m, and the height of construction chamber is ranged from 0.8 m to 1.2 m. The movable platform is disposed above the construction platform. The page-width array printing module is installed on the movable platform and synchronously moved along a single direction in a reciprocating motion. The page-width array printing module has plural inkjet head structures disposed thereon, so that a rapid prototyping width-page printing operation is performed.Type: GrantFiled: December 17, 2015Date of Patent: October 23, 2018Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Kwo-Yuan Shi, Yung-Lung Han, Chi-Feng Huang
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Patent number: 9937639Abstract: A powder heating assembly of a rapid prototyping apparatus includes a powder feeder and a heating module. The powder feeder includes an accommodation space and a powder falling port in communication with the accommodation space. The heating module is disposed under the powder feeder, and includes a thermally conductive cap and a heat conduction structure. The powder falling port is capped by the thermally conductive cap. The thermally conductive cap includes a powder exhaust port. The powder exhaust port is in communication with the powder falling port. The heat conduction structure is arranged between the accommodation space of the powder feeder and the thermally conductive cap and includes a heater. The heat generated by the heater is transferred to the construction powder within the powder feeder to preheat the construction powder, remove the moisture contained in the construction powder and dry the construction powder.Type: GrantFiled: April 13, 2015Date of Patent: April 10, 2018Assignee: Microjet Technology Co., Ltd.Inventors: Chin-Tsung Chen, Yen-Yu Lin, Kwo-Yuan Shi
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Patent number: 9937670Abstract: A powder filtering mechanism includes a connecting part, a main body, a duct, a suction device and a bracket. The connecting part is in communication with a powder inlet. Moreover, plural filters are disposed within an accommodation space of the main body. The suction device is in communication with the main body. The bracket supports a micro-particle adsorption structure. During operation of the suction device, flying dust of excess construction powder is inhaled into the powder inlet, and a portion of the flying dust is transferred to the accommodation space. After the portion of the flying dust is filtered by the plural filters in multiple filtering steps, micro-particles of flying dust passing through the plural filters are transferred to the micro-particle adsorption structure so as to be adsorbed by the micro-particle adsorption structure.Type: GrantFiled: February 22, 2016Date of Patent: April 10, 2018Assignee: Microjet Technology Co., Ltd.Inventors: Kwo-Yuan Shi, Chih-Kai Chen, Jheng-Bin Chen
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Patent number: 9931792Abstract: A powder recycling machine includes a casing, a powder collector, a dust-sucking system and a dust-removing system. An accommodation space within the casing is divided into a first space and a second space by a partition plate. The powder collector is disposed within the first space for collecting excess powder from the first space. The dust-sucking system includes a connector, a cyclone separator and a first suction device. The connector, the cyclone separator, the first suction device and the powder collector are sequentially in communication with each other through plural transmission ducts. The dust-removing system includes a second suction device. The first space, the second suction device and the powder collector are sequentially in communication with each other through plural guiding ducts. After the excess powder suspended in the first space is introduced into the dust-removing system, the excess powder is transferred to the powder collector.Type: GrantFiled: February 22, 2016Date of Patent: April 3, 2018Assignee: Microjet Technology Co., Ltd.Inventors: Kwo-Yuan Shi, Chih-Kai Chen, Chi-Feng Huang
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Patent number: 9586365Abstract: A powder recycling system includes a powder feeder, a remaining powder collector, a bridge breaker, a block powder filter, a cyclone separator, a particulate filter cleaner, an air pressure generation device and an electrostatic precipitator. The powder feeder provides a construction powder to a construction platform. The remaining powder collector for collects the remaining powder. The cyclone separator is used to separate the large-size powdery particles and the small-size powdery particles of the remaining powder from each other through a rotating gaseous stream. The large-size powdery particles fall down to the powder feeder due to gravity, and the small-size powdery particles of the remaining powder is removed from the rotating gaseous stream and transmitted to the particulate filter cleaner. After the small-size powdery particles of the remaining powder are filtered by the particulate filter cleaner, the suspended small-size powdery particles are transmitted to the electrostatic precipitator.Type: GrantFiled: April 13, 2015Date of Patent: March 7, 2017Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Chang-Chih Chen, Chih-Kai Chen, Kwo-Yuan Shi, Chi-Feng Huang
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Publication number: 20160271886Abstract: A rapid prototyping apparatus includes a construction platform, a movable platform, a first lift/lower mechanism and a second lift/lower mechanism. The construction platform includes a powder feeder, a construction chamber and a powder collector. The powder feeder provides construction powder. A rapid prototyping process is performed in the construction chamber. Excess construction powder is collected in the powder collector. The first lift/lower mechanism is disposed under the powder feeder. The second lift/lower mechanism is disposed under the construction chamber and the powder collector. After the rapid prototyping process is completed, the collected excess construction powder in the powder collector and the excess construction powder in the construction chamber are pushed back to the powder feeder by the powder-pushing element, and the construction powder at a topmost layer of the powder feeder is compacted by the powder-pushing element.Type: ApplicationFiled: February 22, 2016Publication date: September 22, 2016Inventors: Kwo-Yuan Shi, Chih-Kai Chen
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Publication number: 20160271885Abstract: A powder filtering mechanism includes a connecting part, a main body, a duct, a suction device and a bracket. The connecting part is in communication with a powder inlet. Moreover, plural filters are disposed within an accommodation space of the main body. The suction device is in communication with the main body. The bracket supports a micro-particle adsorption structure. During operation of the suction device, flying dust of excess construction powder is inhaled into the powder inlet, and a portion of the flying dust is transferred to the accommodation space. After the portion of the flying dust is filtered by the plural filters in multiple filtering steps, micro-particles of flying dust passing through the plural filters are transferred to the micro-particle adsorption structure so as to be adsorbed by the micro-particle adsorption structure.Type: ApplicationFiled: February 22, 2016Publication date: September 22, 2016Inventors: Kwo-Yuan Shi, Chih-Kai Chen, Jheng-Bin Chen
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Publication number: 20160271887Abstract: A powder recycling machine includes a casing, a powder collector, a dust-sucking system and a dust-removing system. An accommodation space within the casing is divided into a first space and a second space by a partition plate. The powder collector is disposed within the first space for collecting excess powder from the first space. The dust-sucking system includes a connector, a cyclone separator and a first suction device. The connector, the cyclone separator, the first suction device and the powder collector are sequentially in communication with each other through plural transmission ducts. The dust-removing system includes a second suction device. The first space, the second suction device and the powder collector are sequentially in communication with each other through plural guiding ducts. After the excess powder suspended in the first space is introduced into the dust-removing system, the excess powder is transferred to the powder collector.Type: ApplicationFiled: February 22, 2016Publication date: September 22, 2016Inventors: Kwo-Yuan Shi, Chih-Kai Chen, Chi-Feng Huang
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Patent number: 9421714Abstract: A page-width printing platform comprises a plurality of inkjet head structures collaboratively defined as at least one page-width array printing unit. The inkjet head structures comprise respective inkjet chips disposed on the printing platform and arranged in plural rows and in a staggered form, so that a printing width of the inkjet chips is larger than or equal to a width of a printed pattern. Each of the inkjet chips comprises at least one liquid supply slot, wherein a plurality of liquid ejectors are located at one or two sides of the liquid supply slot along a long axis of the liquid supply slot. At least one monochromatic print liquid is introduced into the construction chamber from the plural inkjet head structures and printed on a construction material within the construction chamber, so that a rapid prototyping width-page printing operation is performed.Type: GrantFiled: September 3, 2014Date of Patent: August 23, 2016Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Kwo-Yuan Shi, Ke-Ming Huang, Chi-Feng Huang, Yung-Lung Han
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Patent number: 9375880Abstract: A rapid prototyping apparatus includes a construction platform, a movable platform, and a page-width array printing module. The construction platform includes a construction chamber. The movable platform and the construction platform are movable relative to each other. The page-width array printing module includes plural inkjet head structures. The printing platform and the movable platform are synchronously moved along a single direction in a reciprocating motion. The plural inkjet head structures are collaboratively defined as at least one page-width array printing unit. The plural inkjet head structures include respective inkjet chips. The inkjet chips are arranged in plural rows and in a staggered form, so that a printing width of the inkjet chips is larger than or equal to a width of a printed pattern. Moreover, at least one monochromatic print liquid is introduced into the construction chamber from the plural inkjet head structures.Type: GrantFiled: August 29, 2014Date of Patent: June 28, 2016Assignee: MICROSOFT TECHNOLOGY CO., LTD.Inventors: Kwo-Yuan Shi, Ke-Ming Huang, Chi-Feng Huang, Yung-Lung Han
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Patent number: 9339973Abstract: Disclosed is a control method for stereolithography structure, including the steps of: providing a stereolithography structure including a main circuit system, an interface system, and a USB transmission interface.Type: GrantFiled: April 3, 2012Date of Patent: May 17, 2016Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Kwo-Yuan Shi, Ching-Sung Lin, Hung-Chuan Lo, Jui-Yi Wu, Wei-Yu Chen Chen
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Publication number: 20160101574Abstract: A rapid prototyping apparatus with a page-width array printing module is disclosed. The rapid prototyping apparatus includes a construction platform, a movable platform and a page-width array printing module. The construction platform has a construction chamber. The length of the construction chamber is ranged from 0.8 m to 1.5 m, the width of the construction chamber is ranged from 0.8 m to 1.5 m, and the height of construction chamber is ranged from 0.8 m to 1.2 m. The movable platform is disposed above the construction platform. The page-width array printing module is installed on the movable platform and synchronously moved along a single direction in a reciprocating motion. The page-width array printing module has plural inkjet head structures disposed thereon, so that a rapid prototyping width-page printing operation is performed.Type: ApplicationFiled: December 17, 2015Publication date: April 14, 2016Inventors: Hao-Jan Mou, Kwo-Yuan Shi, Yung-Lung Han, Chi-Feng Huang
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Patent number: 9302431Abstract: A rapid prototyping apparatus includes a construction platform, a movable platform, a printing module, a cleaning and maintenance module, a construction material spreading element, a heater and a heat shield. A construction chamber is formed in the construction platform. The movable platform and the construction platform are movable relative to each other. The printing module is installed on the movable platform, and includes at least one printhead unit. The cleaning and maintenance module is installed on the movable platform. The construction material spreading element is installed on the movable platform for spreading a ceramic construction material to the construction chamber. After the ceramic construction material is spread in the construction chamber, the construction material is heated by the heater. After the printhead unit performs a printing operation, the printhead unit is cleaned and maintained by the cleaning and maintenance module.Type: GrantFiled: January 29, 2015Date of Patent: April 5, 2016Assignee: MICROJET TECHNOLOGY CO., LTDInventors: Kwo-Yuan Shi, Ke-Ming Huang
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Publication number: 20160009069Abstract: A rapid printing apparatus is selectively operated in a two-dimensional printing mode or a three-dimensional printing mode. The rapid printing apparatus includes a sheet material supplying mechanism, a printing mechanism and a laminated sheet processing mechanism. The sheet material supplying mechanism is used for supplying a sheet material. The printing mechanism is used for printing on a specified area of the sheet material. In the two-dimensional printing mode, the laminated sheet processing mechanism cuts the printed sheet material to a specified size and collects the printed sheet material. In the three-dimensional printing mode, the laminated sheet processing mechanism cuts the printed sheet material to plural sheet segments with the specified size and laminates the plural sheet segments into a three-dimensional laminated block.Type: ApplicationFiled: July 8, 2015Publication date: January 14, 2016Inventors: Hao-Jan Mou, Kwo-Yuan Shi, Chin-Tsung Chen, Chi-Feng Huang
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Publication number: 20150308741Abstract: A powder heating assembly of a rapid prototyping apparatus includes a powder feeder and a heating module. The powder feeder includes an accommodation space and a powder falling port in communication with the accommodation space. The heating module is disposed under the powder feeder, and includes a thermally conductive cap and a heat conduction structure. The powder falling port is capped by the thermally conductive cap. The thermally conductive cap includes a powder exhaust port. The powder exhaust port is in communication with the powder falling port. The heat conduction structure is arranged between the accommodation space of the powder feeder and the thermally conductive cap and includes a heater. The heat generated by the heater is transferred to the construction powder within the powder feeder to preheat the construction powder, remove the moisture contained in the construction powder and dry the construction powder.Type: ApplicationFiled: April 13, 2015Publication date: October 29, 2015Inventors: Chin-Tsung Chen, Yen-Yu Lin, Kwo-Yuan Shi
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Publication number: 20150298397Abstract: A powder recycling system includes a powder feeder, a remaining powder collector, a bridge breaker, a block powder filter, a cyclone separator, a particulate filter cleaner, an air pressure generation device and an electrostatic precipitator. The powder feeder provides a construction powder to a construction platform. The remaining powder collector for collects the remaining powder. The cyclone separator is used to separate the large-size powdery particles and the small-size powdery particles of the remaining powder from each other through a rotating gaseous stream. The large-size powdery particles fall down to the powder feeder due to gravity, and the small-size powdery particles of the remaining powder is removed from the rotating gaseous stream and transmitted to the particulate filter cleaner. After the small-size powdery particles of the remaining powder are filtered by the particulate filter cleaner, the suspended small-size powdery particles are transmitted to the electrostatic precipitator.Type: ApplicationFiled: April 13, 2015Publication date: October 22, 2015Inventors: Chang-Chih Chen, Chih-Kai Chen, Kwo-Yuan Shi, Chi-Feng Huang
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Publication number: 20150231832Abstract: A rapid prototyping apparatus includes a construction platform, a movable platform, a printing module, a cleaning and maintenance module, a construction material spreading element, a heater and a heat shield. A construction chamber is formed in the construction platform. The movable platform and the construction platform are movable relative to each other. The printing module is installed on the movable platform, and includes at least one printhead unit. The cleaning and maintenance module is installed on the movable platform. The construction material spreading element is installed on the movable platform for spreading a ceramic construction material to the construction chamber. After the ceramic construction material is spread in the construction chamber, the construction material is heated by the heater. After the printhead unit performs a printing operation, the printhead unit is cleaned and maintained by the cleaning and maintenance module.Type: ApplicationFiled: January 29, 2015Publication date: August 20, 2015Inventors: Kwo-Yuan Shi, Ke-Ming Huang
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Patent number: 9039142Abstract: An ink-jet printing module is used for a page-width array ink-jet printer. The ink jet printing module includes a page-width array platen and a plurality of ink-jet cartridges. The page-width array platen has a plurality of receiving cavities arranged as an array. Each of the ink-jet cartridges is detachably and independently embedded into one of the receiving cavities, and includes a body for storing ink, an ink-jet chip to be driven for ejecting the ink, a plurality of nozzles disposed on the ink-jet chip, and a control node for receiving signal to drive the ink-jet chip. The ink-jet chip is disposed on a bottom of the page-width array platen and is driven to eject the ink through the nozzles onto a printing medium.Type: GrantFiled: November 29, 2012Date of Patent: May 26, 2015Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Ta-Wei Hsueh, Ying-Lun Chang, Kwo-Yuan Shi, Chin-Tsung Chen, Yung-Lung Han, Chi-Feng Huang
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Publication number: 20150079213Abstract: A rapid prototyping apparatus includes a construction platform, a movable platform, and a page-width array printing module. The construction platform includes a construction chamber. The movable platform and the construction platform are movable relative to each other. The page-width array printing module includes plural inkjet head structures. The printing platform and the movable platform are synchronously moved along a single direction in a reciprocating motion. The plural inkjet head structures are collaboratively defined as at least one page-width array printing unit. The plural inkjet head structures include respective inkjet chips. The inkjet chips are arranged in plural rows and in a staggered form, so that a printing width of the inkjet chips is larger than or equal to a width of a printed pattern. Moreover, at least one monochromatic print liquid is introduced into the construction chamber from the plural inkjet head structures.Type: ApplicationFiled: August 29, 2014Publication date: March 19, 2015Inventors: Kwo-Yuan Shi, Ke-Ming Huang, Chi-Feng Huang, Yung-Lung Han
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Publication number: 20150077461Abstract: A printing compensation method for an inkjet printing system is provided. The inkjet printing system includes a printing module, an image capture module and a dynamic compensation module. The printing module includes plural nozzles. First, a nozzle test pattern corresponding to the plural nozzles is printed out by the printing module. Then, a digital data corresponding to the nozzle test pattern is acquired by the image capture module, and a judging step is performed to judge whether any of the plural nozzles is abnormal according to the digital data. If at least one of the plural nozzles is abnormal, an information about at least one failed-print part corresponding to the at least one nozzle is acquired. Then, the dynamic compensation module is enabled to perform a compensation printing operation according to the information about the at least one failed-print part.Type: ApplicationFiled: August 26, 2014Publication date: March 19, 2015Inventors: Kwo-Yuan Shi, Hsueh-Kuan Shih, I-Feng Wu, Jhih-Hong Lin