Patents by Inventor Chi-Lung Chang
Chi-Lung 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).
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Patent number: 11944412Abstract: A blood pressure detection device manufactured by a semiconductor process includes a substrate, a microelectromechanical element, a gas-pressure-sensing element, a driving-chip element, an encapsulation layer and a valve layer. The substrate includes inlet apertures. The microelectromechanical element and the gas-pressure-sensing element are stacked and integrally formed on the substrate. The encapsulation layer is encapsulated and positioned on the substrate. A flowing-channel space is formed above the microelectromechanical element and the gas-pressure-sensing element. The encapsulation layer includes an outlet aperture in communication with an airbag. The driving-chip element controls the microelectromechanical element, the gas-pressure-sensing element and valve units to transport gas.Type: GrantFiled: June 2, 2021Date of Patent: April 2, 2024Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Ying-Lun Chang, Ching-Sung Lin, Chi-Feng Huang, Yung-Lung Han, Chang-Yen Tsai, Wei-Ming Lee, Chun-Yi Kuo, Tsung-I Lin
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Publication number: 20220307182Abstract: A saturated extreme low liquor ratio conveyor-driving atmospheric fabric dyeing machine includes a machine body having an interior space having a rectangular lateral cross-section for effective use of the space and to accommodate an increased loading capacity of fabric. A conveyor device is installed inside the machine body to convey fabrics for circuiting movement. A dyeing tube is equipped above the machine body and is connected to the machine body at a front end and a rear end, at which a first nozzle and a second nozzle are respectively equipped to allow for selection between one single nozzle or two nozzles to jet dye liquid. A fabric plaiting down device and a fabric guide device are arranged at the rear end of the dyeing tube and in the interior space of the machine body and are adjustable for oscillation angle and amplitude in a left-right direction for optimization of oscillating and guiding the fabric to fall onto a conveyor device.Type: ApplicationFiled: March 29, 2021Publication date: September 29, 2022Inventor: Chi-Lung CHANG
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Patent number: 11011962Abstract: A dual pole electromagnetically-driven focusing system of a micromotor includes a movable base having an elastic support system on upper and lower sides thereof and an outside configuration in a parallelepiped form having four side surfaces. Two loop coils are respectively fixed to two opposite side surfaces of the slidable base. Two dual-pole magnets are respectively arranged beside the two loop coils in a manner of being opposite to each other in respect of magnetism so that the two loop coils, upon energized, generate acting forces in opposite direction with respect to the two dual-pole magnets. A circuit device is arranged on one side surfaces of the movable base between the two loop coils. Three successive side surfaces of the movable base that are respectively provided with a combination of loop coil and dual-pole magnet, the circuit device, another combination of loop coil and dual-pole magnet, form a U-shaped structure.Type: GrantFiled: January 29, 2019Date of Patent: May 18, 2021Assignee: YOVA TECHNOLOGY (HONG KONG) LIMITEDInventors: Lin-Hsiang Ko, Xuyao Zhang, Chi-Lung Chang
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Patent number: 10801145Abstract: A screw conveyor based fabric dyeing machine including a machine body inside which a screw conveyor including a conveying screw and a fabric support board is arranged and generally parallel to an extension direction of the machine body. Fabric moves through a dyeing tube arranged with the machine body to fall down onto the screw conveyor so that the fabric can be conveyed by the screw conveyor forward through the machine body to reach a guide roller and a nozzle to complete a cycle of circulation for subsequently re-entering the dyeing tube to be dyed therein. As such, water consumption can be reduced and dyeing performance is enhanced, achieving energy saving and carbon reduction, reducing contamination to the surroundings, and realizing green economy.Type: GrantFiled: November 5, 2018Date of Patent: October 13, 2020Inventor: Chi-Lung Chang
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Publication number: 20200244148Abstract: A dual pole electromagnetically-driven focusing system of a micromotor includes a movable base having an elastic support system on upper and lower sides thereof and an outside configuration in a parallelepiped form having four side surfaces. Two loop coils are respectively fixed to two opposite side surfaces of the slidable base. Two dual-pole magnets are respectively arranged beside the two loop coils in a manner of being opposite to each other in respect of magnetism so that the two loop coils, upon energized, generate acting forces in opposite direction with respect to the two dual-pole magnets. A circuit device is arranged on one side surfaces of the movable base between the two loop coils. Three successive side surfaces of the movable base that are respectively provided with a combination of loop coil and dual-pole magnet, the circuit device, another combination of loop coil and dual-pole magnet, form a U-shaped structure.Type: ApplicationFiled: January 29, 2019Publication date: July 30, 2020Inventors: Lin-Hsiang Ko, Xuyao Zhang, Chi-Lung Chang
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Publication number: 20200244147Abstract: A micromotor single-pole electromagnetically-driven focusing system includes a slidable base having an outer end connectable to a camera lens; an elastic support system supporting the slidable base to maintain parallel movement; a coil circumferentially arranged around an outside of the slidable base and including a loop structure having four major sides; a circuit device including a circuit arrangement for control of a micromotor and arranged on a central location of one of the major sides of the coil and including a detection element and a sensing magnet; and two sets of single-pole magnet and the magnetism conducting yoke respectively arranged left and right major sides with respect to a center defined by the circuit device so that the two sets of single-pole magnet and magnetism conducting yoke and the circuit device form a U-shaped structure, with the two sets of single-pole magnet and magnetism conducting yoke opposite to each other.Type: ApplicationFiled: January 29, 2019Publication date: July 30, 2020Inventors: Lin-Hsiang Ko, Xuyao Zhang, Chi-Lung Chang
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Patent number: 10704175Abstract: A conveyor-driven fabric dyeing machine includes a recovery container and a dye chemical saving structure. One or multiple containers are provided for recovering and storing hot water for use in a next dyeing operation in order to achieve an effect of saving energy and shortening dyeing time. If desired, liquids for dyeing may be directly collected and recovered, such as water with low contamination or alkali liquid for specific treatment, for use in a next dyeing operation in order to achieve an effect of saving water and reducing the amount of chemicals consumed, and also to reduce the amount of dye and chemicals that is consumed due to oxidation and reduction caused by air. The recovery container may be provided therein with a heat exchanger for recovery of heat. A gas filling opening is formed in the machine body for introducing a gas to expel out air.Type: GrantFiled: February 27, 2018Date of Patent: July 7, 2020Inventor: Chi-Lung Chang
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Publication number: 20200141037Abstract: A screw conveyor based fabric dyeing machine including a machine body inside which a screw conveyor including a conveying screw and a fabric support board is arranged and generally parallel to an extension direction of the machine body. Fabric moves through a dyeing tube arranged with the machine body to fall down onto the screw conveyor so that the fabric can be conveyed by the screw conveyor forward through the machine body to reach a guide roller and a nozzle to complete a cycle of circulation for subsequently re-entering the dyeing tube to be dyed therein. As such, water consumption can be reduced and dyeing performance is enhanced, achieving energy saving and carbon reduction, reducing contamination to the surroundings, and realizing green economy.Type: ApplicationFiled: November 5, 2018Publication date: May 7, 2020Inventor: Chi-Lung Chang
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Patent number: 10442628Abstract: An axle distance adjustment device is provided for a conveyor-driven fabric dyeing machine and includes a conveyor belt in the form of an endless loop arranged inside a machine body and a fixed roller and a movable roller respectively arranged at two ends of the conveyor belt. The fixed roller has a rotary axle having two ends mounted through bearings to bearing seats mounted on sidewalls of the machine body. The movable roller has a rotary axle having two ends mounted through bearings to position-adjustable bearing seats, which are coupled to hollow bearing seat bases mounted to the sidewalls of the machine body. The position-adjustable bearing seats are attachable to the hollow bearing seat bases at different locations so that an axle distance between the rotary axle of the fixed roller and the rotary axle of the movable roller is changed for adjustment of tightness of the conveyor belt.Type: GrantFiled: November 5, 2018Date of Patent: October 15, 2019Inventor: Chi-Lung Chang
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Publication number: 20190032258Abstract: A conveyor-driven fabric dyeing machine includes an infiltration and rinse device. Fabric is driven by a conveyor inside a machine body of the dyeing machine and has an extremely low liquid content rate due to separation of fabric, particularly hydrophobic fabric, and liquid. The fabric might get rubbed and damaged and affected in respect of dyeing homogeneity and reduction and cleaning. Quality of the fabric may also be affected by contaminants present inside the machine body. The infiltration and rinse device includes one or multiple spraying devices mounted inside the machine body at a suitable site to receive and jet and spray a pressurized dye liquid or clear water supplied from a pump onto the fabric or the interior space of the machine body to increase a moisten degree of the fabric and also to rinse the fabric and cleanse the interior of the machine body.Type: ApplicationFiled: February 27, 2018Publication date: January 31, 2019Inventor: CHI-LUNG CHANG
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Publication number: 20190032261Abstract: A conveyor-driven fabric dyeing machine includes a recovery container and a dye chemical saving structure. One or multiple containers are provided for recovering and storing hot water for use in a next dyeing operation in order to achieve an effect of saving energy and shortening dyeing time. If desired, liquids for dyeing may be directly collected and recovered, such as water with low contamination or alkali liquid for specific treatment, for use in a next dyeing operation in order to achieve an effect of saving water and reducing the amount of chemicals consumed, and also to reduce the amount of dye and chemicals that is consumed due to oxidation and reduction caused by air. The recovery container may be provided therein with a heat exchanger for recovery of heat. A gas filling opening is formed in the machine body for introducing a gas to expel out air.Type: ApplicationFiled: February 27, 2018Publication date: January 31, 2019Inventor: CHI-LUNG CHANG
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Publication number: 20190032259Abstract: A conveyor-driven dual-nozzle fabric dyeing machine includes a machine body in which a conveyor device for conveying fabric and a fabric guide roller are arranged; first and second dyeing tubes through which the fabric selectively passes for being dyed; a first nozzle located below the fabric guide roller and connected to the first dyeing tube; and a second nozzle set horizontally or in an inclined condition and connected to the second dyeing tube. To operate, the fabric is guided around the fabric guide roller and selectively fed through the first nozzle into the first dyeing tube for being dyed or alternatively fed through the second nozzle into the second dyeing tube and also a rear portion of the first dyeing tube to be dyed therein. Fabrics of different kinds can be fed through different nozzles and dyeing tubes to achieve a better effect of dyeing.Type: ApplicationFiled: February 27, 2018Publication date: January 31, 2019Inventor: CHI-LUNG CHANG
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Publication number: 20190032260Abstract: A conveyor-driven horizontal fabric dyeing machine includes a machine body that is set horizontal and has a bottom to which a liquid storage tank is mounted at a predetermined location and is lower, in position, than the bottom of the machine body. The liquid storage tank has a volumetric capacity that is large enough to accommodate all or most of the amount of dye liquid falling down and returning from a rear end of a dyeing tube so as to greatly reduce the amount of the dye liquid used. Further, alternatively or additionally, a heat exchanger or a filter may be separately mounted in the liquid storage tank or both the heat exchanger and the filter are mounted in the liquid storage tank to carry out temperature raising/lowering and filtration of the dye liquid. As such, the structure of the dyeing machine is simplified.Type: ApplicationFiled: February 27, 2018Publication date: January 31, 2019Inventor: CHI-LUNG CHANG
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Publication number: 20190032262Abstract: An ultra-low liquor ratio fabric dyeing machine includes an assisting heat exchanger and a direct temperature rise/lowering device. The assisting heat exchanger or multiple ones of the assisting heat exchanger are additionally included in the dyeing machine. The assisting heat exchanger includes an external pipe that is mounted to a pump pipe of a pump at an inlet port, an outlet port, or both inlet and outlet ports thereof and is mounted with inlet and outlet openings for steam and cooling water in order to serve as an external casing that houses the pump pipe, while the pump pipe serves as a heat exchange pipe of the heat exchanger. The direct temperature rise/lowering device is mounted to a dyeing bath of the dyeing machine to directly introduce steam or cold water therein for quickly increasing or decreasing the temperature of the dyeing bath.Type: ApplicationFiled: February 27, 2018Publication date: January 31, 2019Inventor: CHI-LUNG CHANG
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Patent number: 10018825Abstract: A microscope monitoring device includes a pedestal, a flat light source, a microscope set, an image sensor, a motion stage and a controlling circuit board. The motion stage carries the microscope set and the image sensor and moves them according to a driving signal. Responding to a trigger signal, the image sensor senses the light passing through one or more culture tank on the multiple-well plate and the microscope set so as to generate an image signal. The controlling circuit board outputs the trigger signal and the driving signal to obtain an image of cells in the multiple-well plate. A microscope monitoring system including a server and the aforementioned microscope monitoring device is also provided.Type: GrantFiled: September 30, 2015Date of Patent: July 10, 2018Assignees: CHUNG YUAN CHRISTIAN UNIVERSITY, VIVI3D TECHNOLOGY INC.Inventors: Yih-Chih Hsu, Cyun-Fang Hsu, Jau-Jiu Ju, Chi-Lung Chang
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Publication number: 20180105364Abstract: A conveyor structure for use with a conveyor driven fabric dyeing machine is provided. The conveyor includes at least one pair of conveyor chains that are parallel to each other, or a similar structure, and a driver roller that guides and drives the conveyor chains. A plurality of conveyance plates are arranged to straddle between the conveyor chains. The conveyance plates have first ends fixed to the conveyor chains and opposite second ends that are free ends and are movable with respect to the conveyor chains. With the conveyance plates that are stiff supporting the weight of fabric, the conveyor, when conveying fabric, is prevented from curving and deformation so that there is no need to additionally provide a support structure, the entire structure is simplified and easy to install and remove for maintenance, and it is hard for debris and contaminants to hide therein and cleaning is made easy.Type: ApplicationFiled: August 4, 2017Publication date: April 19, 2018Inventor: CHI-LUNG CHANG
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Publication number: 20180105967Abstract: A conveyor driven fabric dyeing machine includes a dyeing tube for improving fabric dyeing effect. The dyeing tube is arranged rearward of or below a nozzle and has an entrance opening and an exit opening and an intermediate section located between and set lower than the entrance opening and the exit opening so as to form height differences at front and rear end parts of the dyeing tube that allows dye liquid to fill up and remain in the dyeing tube. During a course of fabric moving through the dyeing tube, the fabric is allowed to stay and soak in the dye liquid within the dyeing tube to provide an extended period of time of interaction between the fabric and the dye liquid for penetration so as to enhance the result of dyeing.Type: ApplicationFiled: August 4, 2017Publication date: April 19, 2018Inventor: CHI-LUNG CHANG
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Patent number: 9873967Abstract: Disclosed is a control method for synchronized fabric circulation in a conveyer drive fabric dyeing machine. During a dyeing process of fabric, the fabric is driven by a fabric guide to move in a circulating manner and the time period for a cycle of circulation is set in consistency with the time period that a conveyor moving from a rear end to a front end so as to achieve synchronization that makes the circulation smooth. The control method is performed with a computer or a PLC control unit that is supplied with fabric length data or fabric weight data and fabric unit weight data and, based on such data, performs an automatic operation of computation and supply of a signal to speed controllers of the fabric guide motor and the conveyor motor to set the speeds thereof at a predetermined ratio with respect to each other for synchronized operations.Type: GrantFiled: December 1, 2014Date of Patent: January 23, 2018Inventor: Chi-Lung Chang
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Publication number: 20170068085Abstract: A microscope monitoring device includes a pedestal, a flat light source, a microscope set, an image sensor, a motion stage and a controlling circuit board. The motion stage carries the microscope set and the image sensor and moves them according to a driving signal. Responding to a trigger signal, the image sensor senses the light passing through one or more culture tank on the multiple-well plate and the microscope set so as to generate an image signal. The controlling circuit board outputs the trigger signal and the driving signal to obtain an image of cells in the multiple-well plate. A microscope monitoring system including a server and the aforementioned microscope monitoring device is also provided.Type: ApplicationFiled: September 30, 2015Publication date: March 9, 2017Inventors: Yih-Chih Hsu, Cyun-Fang Hsu, Jau-Jiu Ju, Chi-Lung Chang
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Patent number: D984492Type: GrantFiled: November 29, 2020Date of Patent: April 25, 2023Inventor: Chi-Lung Chang