Patents by Inventor Heping Zhang
Heping Zhang 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: 12123818Abstract: The invention discloses a method for correcting differential pressure values of a fire extinguishing agent concentration analyzer in the engine compartment of an aircraft, the analyzer, and a readable storage media thereof. The method includes: correcting theoretical differential pressure values of the analyzer; measuring actual differential pressure values of the analyzer under different pressure; obtaining a series of corrected viscosity coefficients accordingly; obtaining a relation accordingly; setting a corrected model to replace the original model of the analyzer. It is solved for the problem that the noise influence caused by the pressure of flight environment cannot be overcome in the test of extinguishing agent concentration in aircraft engine compartment.Type: GrantFiled: May 7, 2024Date of Patent: October 22, 2024Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINAInventors: Song Lu, Hui Shi, Weitong Ma, Heping Zhang
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Publication number: 20230371571Abstract: The present disclosure provides a Lactobacillus strain IMAU80584, a fermentation microbial agent, and use thereof, and belongs to the technical field of microorganisms. The Lactobacillus strain IMAU80584 was deposited in the Guangdong Microbial Culture Collection Center (GDMCC), with an accession number of GDMCC 1.2566. The Lactobacillus strain IMAU80584 of the present disclosure has excellent acid-producing properties, prominent acid tolerance, and strong fermentation ability, and the Lactobacillus strain IMAU80584 exhibits a strong inhibitory effect on Escherichia coli (E. coli). As a probiotic, the Lactobacillus IMAU80584 screened by the present disclosure has promising application prospects and huge economic values in the fields of pathogenic bacteria control and fermented foods.Type: ApplicationFiled: February 24, 2023Publication date: November 23, 2023Inventors: Wenjun LIU, Jie YU, Jicheng WANG, Mei BAI, Guoqiang YAO, Zhihong SUN, Yongfu CHEN, Heping ZHANG
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Publication number: 20230324271Abstract: Provided is a device for measuring a gas concentration, including: a preheating module configured to preheat and rectify an input to-be-measured gas to output a first stage gas; a differential pressure conversion module connected to the preheating module, wherein the differential pressure conversion module is configured to allow the first stage gas flowing through to generate a differential pressure change value; and a processing module configured to acquire a volume concentration of the to-be-measured gas according to the differential pressure change value; wherein the differential pressure conversion module comprises a capillary laminar flow unit having a plurality of capillaries, and flow channels of the plurality of capillaries become a main channel of a gas flow, so as to form a laminar flow structure. A method for measuring a gas concentration is further provided, including measuring a concentration of a to-be-measured gas using the above-mentioned device for measuring a gas concentration.Type: ApplicationFiled: September 9, 2020Publication date: October 12, 2023Inventors: Song Lu, Yu GUAN, Heping ZHANG
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Patent number: 10757654Abstract: The communication method includes: obtaining a received signal strength indicator RSSI; comparing the obtained RSSI with a predetermined value; determining a Bluetooth transmission link based on a comparison result, where the Bluetooth transmission link includes a first transmission link and a second transmission link, where the first transmission link is a transmission link of an internal power amplifier of a Bluetooth module, and the second transmission link is a transmission link of a combination of the internal power amplifier of the Bluetooth module and an external power amplifier of the Bluetooth module; and transmitting a Bluetooth signal based on the determined Bluetooth transmission link. According to the present invention, the RSSI value of the Bluetooth device is detected, the detected RSSI value is compared with the predetermined value, and the transmission link of the Bluetooth device is determined based on the comparison result.Type: GrantFiled: February 22, 2017Date of Patent: August 25, 2020Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yajun Wang, Zhongying Long, Chonglu Chen, Guangsheng Pan, Heping Zhang
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Patent number: 10567012Abstract: Example radio frequency front ends, terminal devices, and carrier aggregation methods are provided. In one example, the radio frequency front end includes: P transmit branches, each transmit branch includes at least one transmit filter, N receive branches, where each receive branch includes at least one receive filter, and a switch circuit having L input ports and at least one output port, where the at least one output port is connected to an antenna or a back end circuit of an antenna, and where the L input ports are used to simultaneously connect a transmit branch of the P transmit branches and a receive branch of the N receive branches, where the transmit branch and the receive branch are corresponding to a same frequency band.Type: GrantFiled: April 29, 2016Date of Patent: February 18, 2020Assignee: Huawei Technologies Co., Ltd.Inventors: Heping Zhang, Jian Chen, Guangsheng Pan, Dingjie Wang, Hugen Qin
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Publication number: 20190327684Abstract: The communication method includes: obtaining a received signal strength indicator RSSI; comparing the obtained RSSI with a predetermined value; determining a Bluetooth transmission link based on a comparison result, where the Bluetooth transmission link includes a first transmission link and a second transmission link, where the first transmission link is a transmission link of an internal power amplifier of a Bluetooth module, and the second transmission link is a transmission link of a combination of the internal power amplifier of the Bluetooth module and an external power amplifier of the Bluetooth module; and transmitting a Bluetooth signal based on the determined Bluetooth transmission link. According to the present invention, the RSSI value of the Bluetooth device is detected, the detected RSSI value is compared with the predetermined value, and the transmission link of the Bluetooth device is determined based on the comparison result.Type: ApplicationFiled: February 22, 2017Publication date: October 24, 2019Inventors: Yajun WANG, Zhongying LONG, Chonglu CHEN, Guangsheng PAN, Heping ZHANG
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Publication number: 20180331716Abstract: Example radio frequency front ends, terminal devices, and carrier aggregation methods are provided. In one example, the radio frequency front end includes: P transmit branches, each transmit branch includes at least one transmit filter, N receive branches, where each receive branch includes at least one receive filter, and a switch circuit having L input ports and at least one output port, where the at least one output port is connected to an antenna or a back end circuit of an antenna, and where the L input ports are used to simultaneously connect a transmit branch of the P transmit branches and a receive branch of the N receive branches, where the transmit branch and the receive branch are corresponding to a same frequency band.Type: ApplicationFiled: April 29, 2016Publication date: November 15, 2018Inventors: Heping ZHANG, Jian CHEN, Guangsheng PAN, Dingjie WANG, Hugen QIN
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Patent number: 8964915Abstract: A method and an apparatus are provided for improving a communication rate, which are used in a terminal working in a multiple-input multiple-output (MIMO) state. The method includes: obtaining strength of a first signal received in a first path connected to a first antenna and strength of a second signal received in a second path connected to a second antenna; and adjusting the first path or/and the second path according to a difference between the strength of the first signal and the strength of the second signal, so as to reduce an unbalance degree between the first path and the second path, thereby improving the communication rate. By adopting the present invention, improvement of a rate of an antenna may be achieved by adjusting a balance between the first and second paths.Type: GrantFiled: December 31, 2013Date of Patent: February 24, 2015Assignee: Huawei Device Co., Ltd.Inventors: Heping Zhang, Zhenghao Li, Zhongying Long, Dingjie Wang, Zhaoliang Yang, Dongxing Tu
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Publication number: 20140112422Abstract: A method and an apparatus are provided for improving a communication rate, which are used in a terminal working in a multiple-input multiple-output (MIMO) state. The method includes: obtaining strength of a first signal received in a first path connected to a first antenna and strength of a second signal received in a second path connected to a second antenna; and adjusting the first path or/and the second path according to a difference between the strength of the first signal and the strength of the second signal, so as to reduce an unbalance degree between the first path and the second path, thereby improving the communication rate. By adopting the present invention, improvement of a rate of an antenna may be achieved by adjusting a balance between the first and second paths.Type: ApplicationFiled: December 31, 2013Publication date: April 24, 2014Applicant: Huawei Device Co., Ltd.Inventors: Heping Zhang, Zhenghao Li, Zhongying Long, Dingjie Wang, Zhaoliang Yang, Dongxing Tu
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Patent number: 8562256Abstract: There is disclosed a floating system positioned in a body of water having a water bottom, the system comprising a host member floating in the water; an elongated underwater line structure, comprising a top connected to the host; a bottom extending to the seabed and adapted to connect to a flowline lying on the seabed; a first portion of the line structure being shaped concave upward; a second portion of the line structure being shaped concave upward; and a transition segment between being shaped concave downward, the transition segment located between the first portion and the second portion.Type: GrantFiled: September 19, 2007Date of Patent: October 22, 2013Assignee: Shell Oil CompanyInventors: You Sun Li, George Rodenbusch, Heping Zhang, Jane Qing Zhang
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Patent number: 8480334Abstract: There is disclosed a floating system positioned in a body of water having a water bottom, the system comprising a host member floating on a surface of the water; a flotation module floating under the surface of the water; a flexible hose connecting the host member to the flotation module; and an elongated underwater line structure, comprising a top portion connected to the flotation module; a bottom portion extending to the water bottom and adapted to connect to a flowline lying on the water bottom; and at least one of the top portion and the bottom portion comprising a catenary configuration.Type: GrantFiled: October 3, 2007Date of Patent: July 9, 2013Assignee: Shell Oil CompanyInventors: George Rodenbusch, Heping Zhang, Qing Jane Zhang
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Patent number: 8025969Abstract: Poly(ethylene terephthalate) monofilaments having improved loop strength and toughness as well as improved tensile strength and tensile toughness. The yarns can have a loop toughness of at least 2 gf/den, a loop tenacity of at least 7 gf/den, a tensile toughness of at least 0.9 gf/den, a tensile tenacity of at least 4 gf/den, and a DSC crystallinity of at least 35%. A process for the production of poly(ethylene terephthalate) monofilaments includes melt extrusion, orientation of the extrudates by stretching, and further stretching as well as heat treating the stretched monofilaments. Industrial fabrics, especially fabrics for paper machine clothing, can be made of such monofilaments as load bearing yarns that resist loop failure and that resist fabric creep at high temperature and high load.Type: GrantFiled: October 21, 2008Date of Patent: September 27, 2011Assignee: Voith Paper Holding GmbH & Co. KGInventors: Heping Zhang, Craig Valentine
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Publication number: 20100129161Abstract: There is disclosed a floating system positioned in a body of water having a water bottom, the system comprising a host member floating on a surface of the water; a flotation module floating under the surface of the water; a flexible hose connecting the host member to the flotation module; and an elongated underwater line structure, comprising a top portion connected to the flotation module; a bottom portion extending to the water bottom and adapted to connect to a flowline lying on the water bottom; and at least one of the top portion and the bottom portion comprising a catenary configuration.Type: ApplicationFiled: October 3, 2007Publication date: May 27, 2010Inventors: George Rodenbusch, Heping Zhang, Jane Qing Zhang
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Publication number: 20100099320Abstract: Poly(ethylene terephthalate) monofilaments having improved loop strength and toughness as well as improved tensile strength and tensile toughness. The yarns can have a loop toughness of at least 2 gf/den, a loop tenacity of at least 7 gf/den, a tensile toughness of at least 0.9 gf/den, a tensile tenacity of at least 4 gf/den, and a DSC crystallinity of at least 35%. A process for the production of poly(ethylene terephthalate) monofilaments includes melt extrusion, orientation of the extrudates by stretching, and further stretching as well as heat treating the stretched monofilaments. Industrial fabrics, especially fabrics for paper machine clothing, can be made of such monofilaments as load bearing yarns that resist loop failure and that resist fabric creep at high temperature and high load.Type: ApplicationFiled: October 21, 2008Publication date: April 22, 2010Applicant: VOITH PAPER HOLDING GmbH & CO. KG PATENT DEPARTMENTInventors: Heping Zhang, Craig Valentine
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Publication number: 20090311529Abstract: The present invention relates to a high tenacity polyurethane monofilament and a process for manufacturing the same, comprising of orienting and dynamic annealing of a polyurethane-containing monofilament. In addition to high tenacity, the present invention imparts reduced shrinkage and elongation to monofilament fibers, facilitating the use of thermoplastic elastomers in industrial fabrics, particularly in paper machine clothing (PMC). The brief abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: June 16, 2008Publication date: December 17, 2009Applicant: VOITH PATENT GmbHInventors: Heping ZHANG, Craig Valentine
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Publication number: 20090269141Abstract: There is disclosed a floating system positioned in a body of water having a water bottom, the system comprising a host member floating in the water; an elongated underwater line structure, comprising a top connected to the host; a bottom extending to the seabed and adapted to connect to a flowline lying on the seabed; a first portion of the line structure being shaped concave upward; a second portion of the line structure being shaped concave upward; and a transition segment between being shaped concave downward, the transition segment located between the first portion and the second portion.Type: ApplicationFiled: September 19, 2007Publication date: October 29, 2009Inventors: You Son LI, George Rodenbusch, Heping Zhang, Jane Qing Zhang
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Patent number: 7513277Abstract: An endless fabric belt subjected to a substantial running tension. The belt has an endless woven fabric formed from a plurality of MD (machine direction) ultra high molecular weight polymer strands approaching zero creep at high tensile loads. A plurality of CMD (cross machine direction) strands are interwoven with the MD strands. The plurality of MD strands have first and second ends spliced to one another to form an endless belt, the splices forming a significant linear MD overlap of about 30 cm with each other.Type: GrantFiled: May 23, 2007Date of Patent: April 7, 2009Assignee: Voith Patent GmbHInventors: Robert Crook, Sanjay Patel, Heping Zhang, Craig Valentine, Hubert Walkenhaus
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Publication number: 20090075543Abstract: The present invention relates to malleable polymer monofilaments that show shape malleability under heat and stress. The monofilaments can be used in closely woven industrial fabrics, especially in paper machine fabrics, as weft materials that protect load bearing warp yarns for better wear resistance.Type: ApplicationFiled: September 17, 2007Publication date: March 19, 2009Applicant: VOITH PATENT GmbHInventors: Heping Zhang, Craig Valentine, Matthias Hoehsl
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Publication number: 20080289716Abstract: An endless fabric belt subjected to a substantial running tension. The belt has an endless woven fabric formed from a plurality of MD (machine direction) ultra high molecular weight polymer strands approaching zero creep at high tensile loads. A plurality of CMD (cross machine direction) strands are interwoven with the MD strands. The plurality of MD strands have first and second ends spliced to one another to form an endless belt, the splices forming a significant linear MD overlap of about 30 cm with each other.Type: ApplicationFiled: May 23, 2007Publication date: November 27, 2008Inventors: Robert Crook, Sanjay Patel, Heping Zhang, Craig Valentine, Hubert Walkenhaus
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Patent number: 7435474Abstract: Monofilament made from a polymeric blend, wherein the polymer blend includes at least a first and a second polymer component wherein the first polymer component is polyamide (PA) 612 added to the blend in an amount of 50% to 99% by weight and that a second polymer component is at least one other polyamide added to the blend in an amount of 1% to 49% by weight and that per denier the monofilament has a resistance to withstand at least 60 cycles of abrasion testing.Type: GrantFiled: June 28, 2005Date of Patent: October 14, 2008Assignee: Voith Patent GmbHInventors: Heping Zhang, Craig Valentine, Scott Quigley