Patents Examined by Nguyen Q Ha
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Patent number: 11662294Abstract: Provided is a fan filter unit with which the performance of a HEPA filter can be measured at multiple points with ease and in a short time. The fan filter unit has a first HEPA filter, a second HEPA filter, and exhaust means installed between the first HEPA filter and the second HEPA filter. The first HEPA filter, the second HEPA filter, and the exhaust means are integrated by a housing.Type: GrantFiled: April 15, 2020Date of Patent: May 30, 2023Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Kaneko, Hirotoshi Sato, Toshihiko Suwa, Makoto Yokoyama, Haruhiko Adachi, Takeshi Matsumura
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Patent number: 11662293Abstract: An inspection method for a pillar-shaped honeycomb filter having a honeycomb-shaped first end face and a honeycomb-shaped second end face, including: allowing gas containing fine particles to flow into the first end face; imaging the entire second end face covered with the sheet-like light using a camera while the gas that has flowed into the first end face flows out of the second end face through the filter, and generating an image of the entire second end face covered with the sheet-like light; selecting an inspection area of the second end face and measuring information concerning a sum of luminance of all pixels in the inspection area; and determining quality of the filter based on at least the information concerning the concentration of the fine particles in the gas before the gas flows into the first end face and the information concerning the sum of luminance.Type: GrantFiled: February 25, 2021Date of Patent: May 30, 2023Assignee: NGK INSULATORS, LTD.Inventors: Yoshihiro Sato, Takakazu Koyama, Yuji Watanabe, Yutaka Ishii, Takaaki Kanemitsu, Makoto Murai, Masanari Iwade, Takafumi Terahai, Ryota Kurahashi, Akinari Fukaya, Kenji Ebisutani
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Patent number: 11661298Abstract: A medium transport unit includes an upstream route in which a print sheet is transported, a first switchback route, a second switchback route, a first guide route, a second guide route, a guide flap configured to switch the route so that the print sheet in the upstream route is transported either toward the first guide route or toward the second guide route, a first discharge route from which the print sheet in the first switchback route is discharged, a second discharge route from which the print sheet in the second switchback route is discharged, and a downstream route passing between the first switchback route and the second switchback route and having an upstream end connected to a junction of downstream ends of the first discharge route and the second discharge route.Type: GrantFiled: July 22, 2021Date of Patent: May 30, 2023Assignee: Seiko Epson CorporationInventors: Hidetoshi Kodama, Yuichi Segawa, Kazuyoshi Ohashi
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System and method for calibrating an acoustic monitoring system of an additive manufacturing machine
Patent number: 11648730Abstract: A calibration system for an acoustic monitoring system of an additive manufacturing machine includes a calibration platform removably mountable to a build platform of the additive manufacturing machine and one or more calibrated acoustic sources mounted to the calibration platform. The one or more calibrated acoustic sources define a measurement standard when operating.Type: GrantFiled: February 24, 2021Date of Patent: May 16, 2023Assignee: General Electric CompanyInventor: Scott Alan Gold -
Patent number: 11644443Abstract: Described herein is a system for determining structural characteristics of an object, the system including a first laser, a second laser, one or more processors, and a computer readable medium storing instructions that, when executed by the one or more processors, cause the system to perform functions. The functions include illuminating, by the first laser, a surface region of an object with an incident light pulse, thereby causing the object to exhibit vibrations; illuminating, by the second laser, the surface region with an incident light beam, thereby generating responsive light that is indicative of the vibrations; detecting the responsive light and determining a difference between a characteristic of the responsive light and a reference characteristic that corresponds to the surface region; determining a position of the surface region within a three-dimensional space; and displaying the surface region such that the difference is indicated at the position of the surface region.Type: GrantFiled: December 17, 2018Date of Patent: May 9, 2023Assignee: The Boeing CompanyInventors: Gary E. Georgeson, Jeong-Beom Ihn, William P. Motzer, Jill P. Bingham
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Patent number: 11635284Abstract: Provided are a testing apparatus for a pile end settlement of a rock-socketed driven PHC tube pile and an installation method thereof. The testing apparatus comprises a PHC tube pile, two measuring tubes, a cross pile tip, a pile tip steel plate, a fixer fixed in the PHC tube pile, a perforated steel plate located at a pile top of the PHC tube pile and a jack pressed on the perforated steel plate. The two measuring tubes are symmetrically arranged, the fixer is provided with two first measuring tube outlet holes, and the two measuring tubes respectively pass through the first measuring tube outlet holes of the fixer; and the perforated steel plate is also provided with two second measuring tube outlet holes, and the two measuring tubes respectively pass through the second measuring tube outlet holes of the perforated steel plate. (FIG.Type: GrantFiled: June 22, 2022Date of Patent: April 25, 2023Assignees: QINGDAO UNIVERSITY OF TECHNOLOGY, Qingdao Green Technology Geotechnical Engineering Co., Ltd, Zhongji JiuRui Geotechnical Engineering Co., Ltd., Shandong Luqiao Group Co., Ltd., Jinan, China, China State Construction Zhongxin Construction Engineering Co., Ltd.Shandong BranchInventors: Yonghong Wang, Mingyi Zhang, Xiang Fang, Bo Han, Qijun Zhang, Yishun Jiang, Shiqiang Li, Dazhong Xu, Jun Wang, Chuantong Zhang, Yuning Ge, Yamei Zhang, Weihui Tian, Ziguang Jia, Xiaoning Liu
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Patent number: 11630016Abstract: A measurement system for an aircraft gas turbine engine includes a probe and a heated-gas source in fluid communication with the pressure probe. The probe includes a probe body defining an internal cavity of the probe. The probe further includes a plurality of sensor inlet ports extending through the probe body and configured to receive a sensed fluid flow. The probe further includes a plurality of probe conduits. Each probe conduit of the plurality of probe conduits is coupled to a respective sensor inlet port of the plurality of sensor inlet ports and extending from the respective sensor inlet port to an exterior of the probe body. The heated-gas source is configured to supply a heated gas flow to one or both of: the plurality of sensor inlet ports via the plurality of probe conduits and an interior of the probe body outside of the plurality of probe conduits.Type: GrantFiled: August 20, 2021Date of Patent: April 18, 2023Assignee: Pratt & Whitney Canada Corp.Inventors: Patrice Rémy, Frédéric Doucet, Christian Bissonnette, Luc Archambault
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Patent number: 11630042Abstract: A horizontal jet-mechanical combined rock breaking test device and method. The device includes a horizontal base. One end of the horizontal base is provided with a multi-mode cutter head. A jet-mechanical combined cutter is provided on the multi-mode cutter head. The other end of the horizontal base is provided with a surrounding rock stress simulation bin for loading a rock sample. The multi-mode cutter head is connected to a driving mechanism, and the multi-mode cutter head is configured to advance and rotate horizontally along the horizontal base under the action of the driving mechanism, so that the jet-mechanical combined cutter is capable of acting on the rock sample.Type: GrantFiled: July 13, 2020Date of Patent: April 18, 2023Assignee: SHANDONG UNIVERSITYInventors: Bin Liu, Bo Zhang, Hongtao Zhu, Mengmeng Hu, Biao Li, Hanpeng Wang, Chunjin Lin
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Patent number: 11630049Abstract: A test piece holder for coalbed fracturing comprises a pressure chamber, first sliding rods, second sliding rods, third sliding rods, fourth sliding rods, fifth sliding rods, oil cylinders and a sealing ring, upper and lower ends of a test piece are both provided with an electrode needle and a gas-guide and liquid-guide conducting bolt, the gas-guide and liquid-guide conducting bolt has a hollow rod structure, an inside end of the gas-guide and liquid-guide conducting bolt located above is communicated with a water-gas channel and an outside end of the gas-guide and liquid-guide conducting bolt located above is a water-gas outlet, an inside end of the gas-guide and liquid-guide conducting bolt located below is communicated with the water-gas channel and an outside end of the gas-guide and liquid-guide conducting bolt located below is respectively provided with a gas inlet and a water inlet.Type: GrantFiled: November 18, 2022Date of Patent: April 18, 2023Assignee: Chongqing UniversityInventors: Changbao Jiang, Jiayao Wu, Wenfeng Xu, Lin Li, Yue Cheng, Chunyao Huang, Bin Xiong, Yunpeng Lei
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Patent number: 11624675Abstract: Provided is a water leakage detection method for detecting water leakage of a water pipe by a water leakage detection apparatus that includes a processor and a display device. The method includes: a first procedure of the processor acquiring a water leakage detection result of the water pipe in a district metered area, the district metered area being a range to be measured by a flow meter; a second procedure of the processor acquiring a water leakage detection result of the water pipe obtained based on measurement data of a vibration sensor terminal attached to the water pipe; and a third procedure of the processor outputting, a screen for displaying the water leakage detection result obtained based on the measurement data of the flow meter together with the water leakage detection result obtained.Type: GrantFiled: June 11, 2018Date of Patent: April 11, 2023Assignee: Hitachi, Ltd.Inventors: Satoru Hori, Kenji Fujii
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Patent number: 11619647Abstract: A micromechanical sensor system, in particular, an acceleration sensor, including a substrate having a main extension plane, the sensor system including a first mass and a second mass. The first and second masses are each designed to be at least partially movable in a vertical direction, perpendicular to the main extension plane of the substrate. The first mass includes a stop structure, wherein the stop structure has an overlap with the second mass in the vertical direction.Type: GrantFiled: April 21, 2021Date of Patent: April 4, 2023Assignee: ROBERT BOSCH GMBHInventor: Johannes Classen
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Patent number: 11613986Abstract: A method for identifying characteristics of well data comprises receiving hydraulic fracturing data comprising data channels from a stage or stages of a hydraulic fracturing sequence and preprocessing the data channel, which may include normalizing and recalibrating the hydraulic fracturing data. The method further involves generating one or more additional higher order channels based on the normalized and recalibrated hydraulic fracturing data, the one or more additional channels derived at least in part from parameters of the normalized and recalibrated hydraulic fracturing data. The system may combine the higher order channels with the accessed data channels, and further process, combine and otherwise identify hydraulic fracturing events at the well being hydraulically fractured based on the received hydraulic fracturing data and the one or more additional channels.Type: GrantFiled: November 18, 2020Date of Patent: March 28, 2023Assignee: Well Data Labs, Inc.Inventors: Jessica G. Iriarte Lopez, Alberto J. Ramirez Ramirez, Samid A. Hoda
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Patent number: 11609174Abstract: A method for determining permeability of a porous medium is described which comprises the steps: a) obtaining a three-dimensional picture of the porous medium by an imaging system, b) dividing the three-dimensional picture into a number n of two-dimensional parallel slices, wherein n is an integer of 2 or more, c) identifying one or more pores in a first outermost slice (n1) using a grid which defines image pixels, d) identifying one or more pores in a second slice (n2) directly neighboring the first outermost slice (n1) using the same grid which defines image pixels as for the first outermost slice (n1), and e) labelling the one or more pores in the second slice (n2) as connected if at least one of its neighbours in the first outermost slice (n1) is a pore to give a number of connected pores as a connectivity result. Also described is a system comprising means for carrying out such a method.Type: GrantFiled: November 6, 2017Date of Patent: March 21, 2023Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Hasan Al Marzouqi, Sandra Vega, Huafeng Sun
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Patent number: 11609144Abstract: A method of detecting leakage from a central detector unit 2 of an aspirating fire detection system 1 is described. The method includes actuating a valve 8 to block an outlet 8 of the detector unit 2, operating an aspirator 6 of the detector unit 2 at maximum power, and measuring a differential air pressure across the aspirator 6. If the resulting measured air pressure is below a predetermined threshold, it can be inferred that there is a leak within the central detector unit 2 downstream of the aspirator 6.Type: GrantFiled: December 8, 2020Date of Patent: March 21, 2023Assignee: CARRIER CORPORATIONInventor: Pere Moix Olive
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Patent number: 11610516Abstract: A receipt and label roll comprises a core and a web having a longitudinally-extending axis and wound on the core along the axis. The web includes (i) a substrate having a front side and a back side opposite the front side, (ii) a thermally-sensitive coating disposed on the front side of the substrate, (iii) adhesive disposed on a portion of the back side of the substrate along the web axis, and (iv) a release coating disposed on the front side of the substrate along the web axis to prevent the adhesive from sticking to the front side of the substrate when the web is wound on the core. The web further includes (v) a longitudinal weakened structure extending along a direction parallel to the web axis and dividing the web into a first web portion on which the adhesive is disposed and a second web portion which is substantially devoid of adhesive.Type: GrantFiled: November 10, 2020Date of Patent: March 21, 2023Assignee: Iconex LLCInventors: Steven Nahm, Robert McDaniel
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Patent number: 11604132Abstract: The present invention discloses a testing device and evaluation method for sensitivity damage of core permeability tensor, comprising the following steps: first, obtain the cubic experimental rock samples and calculate the formation pressure distribution based on the reservoir geological data; then simulate the true stress and strain state of core in formation through triaxial stress loading, design the acid liquor, alkali liquor, inorganic salt solution, formation water and different displacement rates for displacement experiments, realize the determination of core three-directional permeability tensor under the same experimental conditions through three-directional sequential displacement, process the experimental data through Darcy's law, and calculate the damage degree of core permeability tensor under different sensitivity conditions of triaxial stress state; finally, identify the real-time flow state of fluid through permeability tensor synthesis, and realize the accurate and efficient testing and evaluType: GrantFiled: June 10, 2022Date of Patent: March 14, 2023Assignee: Southwest Petroleum UniversityInventors: Yu Peng, Yitao Huang, Yongming Li, Ang Luo, Pengjun Shi
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Patent number: 11605842Abstract: A cylindrical battery comprising a lithium secondary battery and having a pressure sensor for measuring an internal pressure of the secondary battery, the cylindrical battery as a whole includes: an electrode assembly including a cathode plate, an anode plate, and a separator electrically insulating the cathode plate and the anode plate from each other; the pressure sensor positioned on one side of the electrode assembly and embedded in the cylindrical battery; and a top cap positioned on the other side of the electrode assembly, wherein the pressure sensor has an insulating property.Type: GrantFiled: December 5, 2018Date of Patent: March 14, 2023Assignee: LG Energy Solution, Ltd.Inventors: Jinsoo Kim, Joo Hwan Sung, Minsu Cho, Sunghae Park
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Patent number: 11598691Abstract: Device (1) for detecting a liquid leakage, wherein a leakage detection function of the device (1) is lockable so that the leakage detection function is protectable against unauthorized use.Type: GrantFiled: January 22, 2021Date of Patent: March 7, 2023Assignee: GROHE AGInventor: Bert Depiere
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Patent number: 11598686Abstract: An apparatus includes a casing defining a fluid flow channel, the casing including one or more diaphragms each defining a portion of the fluid flow channel, a strain gauge disposed on one of the one or more diaphragms, the strain gauge having a characteristic responsive to a pressure of fluid in the fluid flow channel, a temperature-sensitive circuit element disposed on one of the one or more diaphragms, the temperature-sensitive circuit element having a characteristic responsive to a temperature of the fluid in the fluid flow channel, and temperature compensation circuitry electrically coupled to the strain gauge and to the temperature-sensitive circuit element.Type: GrantFiled: October 30, 2020Date of Patent: March 7, 2023Assignee: DJ InstrumentsInventors: Thomas Lloyd Botker, Louis Panagotopulos
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Patent number: 11598711Abstract: A method for determining stress-dependent permeability includes providing a core sample in a pressurized core container of a testing apparatus and generating a steady-state flow of gas from an upstream reservoir in the testing apparatus along an axial direction through the pressurized core container into a downstream reservoir in the testing apparatus. During the steady-state flow, an inlet pressure at an inlet to the core sample, an outlet pressure at an outlet of the core sample, and a midpoint pressure at a midpoint of the core sample are measured. The stress-dependent permeability is calculated from a flow rate of the gas through the core sample and the measurements of the inlet pressure, the outlet pressure, and the midpoint pressure.Type: GrantFiled: January 7, 2021Date of Patent: March 7, 2023Assignee: SAUDI ARABIAN OIL COMPANYInventors: Hui-Hai Liu, Jilin Zhang, Jewel Duncan