Patents by Inventor Xiaohong Li

Xiaohong Li 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).

  • Publication number: 20230139652
    Abstract: The invention relates to a method for regulating the gas velocity of the empty bed in a fluidized bed, wherein solid catalysts are used as fluidized particles or as a part of fluidized particles, characterized in that the gas velocity of the empty bed ? of the reaction zone of the fluidized bed is measured, compared with the bed average catalyst density ? of the solid catalysts in the reaction zone of the fluidized bed, the gas velocity of the empty bed ? being adjusted as required such that the gas velocity of the empty bed ? and the bed average catalyst density ? satisfy the formula (I) below: ?=0.356?3?4.319?2?35.57?+M; wherein M=250?; where ? is provided in m/s and ? is provided in kg/m3. The method can be used for the industrial production of lower olefin.
    Type: Application
    Filed: September 16, 2020
    Publication date: May 4, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Hongyuan ZONG, Guozhen QI, Jing CAO, Xiaohong LI, Zhinan YU, Li WANG
  • Publication number: 20230127846
    Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.
    Type: Application
    Filed: August 4, 2022
    Publication date: April 27, 2023
    Applicant: REMACRO MACHINERY & TECHNOLOGY CO., LTD.
    Inventors: Xiaohong LI, Yuankun LI, Zhanzheng LV, Haibo WANG
  • Publication number: 20230118436
    Abstract: A process for producing lower olefins from oxygenates includes the steps of contacting a feedstock comprising oxygenates with molecular sieve catalyst in fluidized bed reaction zone under effective conditions, to produce product including ethylene and/or propylene; the effective conditions include that in the fluidized bed reaction zone, the weights of catalysts having various carbon deposition amounts are controlled, calculated as the weight of the molecular sieve in the catalysts, to have the following proportions based on the total weight of the catalysts in the fluidized bed reaction zone: the proportion of the weight of the catalyst having a coke deposition amount of less than 3 wt % is 1-20 wt %; the catalyst having a coke deposition amount of from 3 wt % to less than 5 wt % represents 10 to 70 wt %; the catalyst having a coke deposition amount from 5 wt % to 10 wt % represents 10 to 88 wt %.
    Type: Application
    Filed: March 11, 2021
    Publication date: April 20, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen QI, Jing CAO, Xiaohong LI, Hongtao WANG, Yongming JIN, Pan GAO
  • Publication number: 20230118300
    Abstract: The invention relates to a process of converting methanol in a fluidized bed reactor comprising feeding a methanol-containing feedstock into a fluidized bed reactor, contacting the feedstock with a catalyst, to produce a product comprising ethylene and propylene under effective conditions; the fluidized bed reactor comprises a diluent-phase zone and a dense-phase zone, wherein the diluent-phase temperature difference between any regions of the diluent-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 20° C., and the dense-phase temperature difference between any regions in the dense-phase zone having a methanol concentration of more than 0.1 wt % (preferably more than 0.01 wt %) in the fluidized bed reactor is controlled to be less than 10° C.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPEC
    Inventors: Guozhen QI, Jing CAO, Xiaohong LI, Hongtao WANG, Li WANG, Yanxue WANG
  • Patent number: 11617449
    Abstract: The disclosure relates to a sofa armrest. The sofa armrest includes a main body made by blow molding, the upper end of the inner side surface of the main body is recessed inward to form a fabric mounting groove for mounting armrest fabric, and the lower end of the inner side surface of the main body is provided with clamping-connection grooves for being connected with connectors of a sofa underframe. The sofa armrest is made by a blow molding process, and compared with traditional solid sofa armrests, the sofa armrest has the advantages of low weight, high production speed and less manufacturing materials; when the armrest fabric is squeezed and deformed, debris accumulates on the lower wall of the fabric mounting groove or on a seat cover fabric, cleaning of dust and debris is facilitated, and the overall hygiene of a sofa is maintained.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: April 4, 2023
    Assignee: REMACRO TECHNOLOGY CO., LTD.
    Inventors: Xiaohong Li, Weiming Chen
  • Publication number: 20230068171
    Abstract: A method for preparing the ferrous sulfide-containing passivator includes: dissolving a sulfide in an alkaline solution to form a mixed solution with a pH of 12-13; adding sodium silicate to the mixed solution and stirring for 0.5-1 hour at 20-40° C.; adding an aqueous solution of ferrous salt to the mixed solution containing sodium silicate, and allowing to react at 40-60° C. for 2-3 hours; where, with decrease of the pH of the mixed solution, sodium silicate is converted into silica nanoparticles, and the ferrous salt reacts with the sulfide to form ferrous sulfide; and further adding an aqueous solution of an organic modifier, and allowing to react at 40-60° C. for 1-2 hours to form a passivator slurry including surface-modified ferrous sulfide doped with silicon dioxide; filtering the passivator slurry to form a passivator.
    Type: Application
    Filed: August 19, 2022
    Publication date: March 2, 2023
    Inventors: Chunpeng SONG, Chaoran LI, Mingming LIAN, Xiaohong LI, Zhijun ZHANG
  • Patent number: 11506648
    Abstract: Disclosed is a detection method for quality grade of traditional Chinese medicine (TCM), including: detecting the levels of quality control index components of TCM and efficacy-related in vitro activity by establishing a correlation between principal components of TCM and in vitro activity; determining the state of sample cluster by principal component analysis; constructing a logistic regression model of quality grade versus index components and bioactivity and establishing corresponding grade detection formulas of Chinese medicinal materials by fitting a large number of sample data for Chinese medicinal materials from different places of origin and batches. The method of the present invention realizes the mathematical expression of a standard for quality difference of TCM, and provides a feasible solution for the industrialized evaluation of quality grades of Chinese medicinal materials or herbal slices finally.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: November 22, 2022
    Assignee: SHAANXI UNIVERSITY OF CHINESE MEDICINE
    Inventors: Zhishu Tang, Yanru Liu, Zhongxing Song, Dahai Jiang, Ningjuan Yang, Aibing Chang, Xiaohong Li
  • Publication number: 20220361674
    Abstract: The present disclosure relates to a mechanical extension apparatus for an extendable chair unit and a chair unit including such mechanical extension apparatus. The mechanical extension apparatus includes: a reclining apparatus that include multiple links attached to the seat, the backrest and the footrest of the extendable seat, and such reclining apparatus is configured to convert the extendable seat between a sitting position, a TV position, and a lying position. The mechanical extension apparatus also includes an actuator that is attached to the reclining apparatus, and the actuator is configured to electronically convert the extendable seat between the sitting position and the TV position; and the reclining apparatus is configured to convert the extendable seat between the TV position and the lying position by non-electric actuation.
    Type: Application
    Filed: October 28, 2021
    Publication date: November 17, 2022
    Applicant: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) CO., LTD.
    Inventors: Xiaohong LI, Wei LIU, Gang SONG, Yuankun LI
  • Patent number: 11484122
    Abstract: The disclosure discloses a sofa armrest connection structure and a sofa assembly. The connection structure includes a first member and a second member, wherein the first member includes a first base plate, two guide rails symmetrically arranged on the first base plate, and a limiting part which is arranged on the first base plate and located under the two guide rails; the second member includes a second base plate and two guide bars symmetrically arranged on the second base plate; the two guide bars are in sliding insertion-fit with the two guide rails correspondingly; the first base plate and the second base plate are each provided with a plurality of bolt holes; the first base plate is used for being connected with a sofa seat frame, and the second base plate is used for being connected with a sofa armrest.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: November 1, 2022
    Assignee: Remacro Technology Co., Ltd.
    Inventors: Weiming Chen, Xiaohong Li
  • Patent number: 11476506
    Abstract: A daisy-chain battery cells system having a plurality of differential communication interfaces {F(i), i=1, . . . , N} respectively coupled to a plurality of voltage measuring modules {S(i), i=1, . . . , N} for a plurality of battery cells {C(i), i=1, . . . , N}. For each i=1, . . . , N?1, a first high side differential pin pair (CLU(i)+, CLU(i)?) of the ith differential communication interface F(i) is coupled to a first low side differential pin pair (CLL(i+1)+, CLL(i+1)?) of the (i+1)th differential communication interface F(i+1), and a second high side differential pin pair (DAU(i)+, DAU(i)?) of the ith differential communication interface F(i) is coupled to a second low side differential pin pair (DAL(i+1)+, DAL(i+1)?) of the (i+1)th differential communication interface F(i+1). A low side interface FL(1) of the first differential communication interface F(1) is coupled to a controller. A high side interface FU(N) of the Nth differential communication interface F(N) may receive a preset data/signal.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: October 18, 2022
    Assignee: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Min Xu, Kai Chen, Xiaohong Li
  • Patent number: 11452378
    Abstract: The present disclosure relates to a mechanical stretching device for a movable seat unit, and a movable seat unit thereof. The mechanical stretching device includes: a linkage support that comprises a support structure configured to support the mechanical stretching device on ground and a linkage structure attachable to a seating portion of the seat unit; a back mechanism that is pivotally connected to the linkage support and is configured to attach to a backrest of the seat unit; and a leg stretching structure including a footrest element, and the leg stretching structure is pivotally connected to the linkage support, and the footrest element is attached to a footrest of the seat unit. The mechanical stretching device is configured to implement a sequential conversion or a reverse sequential conversion of the seat unit from a sitting state to a relaxing state and to a lying state.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: September 27, 2022
    Inventors: Xiaohong Li, Yuankun Li, Zhanzheng Lv, Haibo Wang
  • Patent number: 11406191
    Abstract: Provided is an iron sofa frame structure provided with a base, two supporting plates oppositely disposed, configured to support a soft package and be connected with a sofa fabric and two driving link sets respectively configured to connect the two supporting plates to the base, wherein a front rod and a rear rod are correspondingly disposed at intervals between the two supporting plates, and several elastic bearing pieces for bearing the soft package are disposed between the front rod and the rear rod. The supporting assembly is directly combined to the iron sofa frame structure, so that a structure in which an additional seat-wrapped frame is introduced to support the soft package is rejected, an existing iron sofa frame structure and a production process of an iron sofa frame are simplified, the assembling and production efficiencies are increased, materials are saved, and the cost is reduced.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: August 9, 2022
    Assignee: Remacro Technology Co., Ltd.
    Inventors: Weiming Chen, Xiaohong Li
  • Publication number: 20220133050
    Abstract: The disclosure relates to a sofa armrest. The sofa armrest includes a main body made by blow molding, the upper end of the inner side surface of the main body is recessed inward to form a fabric mounting groove for mounting armrest fabric, and the lower end of the inner side surface of the main body is provided with clamping-connection grooves for being connected with connectors of a sofa underframe. The sofa armrest is made by a blow molding process, and compared with traditional solid sofa armrests, the sofa armrest has the advantages of low weight, high production speed and less manufacturing materials; when the armrest fabric is squeezed and deformed, debris accumulates on the lower wall of the fabric mounting groove or on a seat cover fabric, cleaning of dust and debris is facilitated, and the overall hygiene of a sofa is maintained.
    Type: Application
    Filed: October 20, 2020
    Publication date: May 5, 2022
    Inventors: Xiaohong Li, Weiming Chen
  • Publication number: 20220133047
    Abstract: The invention discloses a sofa seat frame, a sofa base assembly, a sofa and a sofa production and assembly process, the sofa seat frame comprises two cross beams arranged at intervals and two longitudinal beams connecting the two cross beams, wherein a plurality of supporting elastic pieces are arranged between the two cross beams; and each longitudinal beam comprises a first supporting plate for supporting a seat cushion and a first side plate arranged at one side of the lower part of the first supporting plate and used for being detachably connected with sofa fabric on the seat cushion. In the sofa seat frame provided by the invention, when the seat cushion is placed on the supporting elastic pieces, the first supporting plates can give a certain supporting force to the seat cushion, so as to improve the sitting comfort of users.
    Type: Application
    Filed: October 20, 2020
    Publication date: May 5, 2022
    Inventors: Weiming Chen, Xiaohong Li
  • Publication number: 20220110453
    Abstract: The disclosure discloses a sofa backrest connection structure, including a first member and a second member, the first member includes a first base plate, two guide rails symmetrically arranged on the first base plate, and a limiting part arranged on the first base plate, and the limiting part is provided with a clamping protrusion; the second member includes a second base plate and a first horizontal plate connected to the second base plate, the second base plate includes an insertion part, and the insertion part is provided with a clamping hole matched with the clamping protrusion; after the insertion part is slidably inserted into and fitted with the two guide rails, the clamping protrusion is clamped in the clamping hole; and the first horizontal plate is used for being connected with a sofa seat frame, and the first base plate is used for being connected with a sofa backrest.
    Type: Application
    Filed: October 20, 2020
    Publication date: April 14, 2022
    Inventors: Weiming Chen, Xiaohong Li
  • Publication number: 20220104622
    Abstract: The disclosure discloses a sofa armrest connection structure and a sofa assembly. The connection structure includes a first member and a second member, wherein the first member includes a first base plate, two guide rails symmetrically arranged on the first base plate, and a limiting part which is arranged on the first base plate and located under the two guide rails; the second member includes a second base plate and two guide bars symmetrically arranged on the second base plate; the two guide bars are in sliding insertion-fit with the two guide rails correspondingly; the first base plate and the second base plate are each provided with a plurality of bolt holes; the first base plate is used for being connected with a sofa seat frame, and the second base plate is used for being connected with a sofa armrest.
    Type: Application
    Filed: October 20, 2020
    Publication date: April 7, 2022
    Inventors: Weiming Chen, Xiaohong Li
  • Publication number: 20220047080
    Abstract: A mechanically stretchable apparatus for a sofa and a sofa thereof are provided. The mechanically stretchable apparatus includes: a seat component, a linkage component, a back component and a leg component. The seat component further includes a base, a first rotating part, the second rotating part, and the seat linkage structure placed between the first and second rotating parts. The seat linkage structure includes a back linkage with a seat connection point, a transmission connection point, and a back connection point. The seat connection point is connected to the first rotating part. The back connection point is connected to the back component. The back component and the leg component are respectively connected to the linkage component, and the linkage component is connected to the seat linkage structure.
    Type: Application
    Filed: November 1, 2021
    Publication date: February 17, 2022
    Applicant: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) CO., LTD.
    Inventors: Xiaohong LI, Yuankun LI, Haibo WANG, Zhanzheng LV
  • Patent number: D975374
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: January 10, 2023
    Assignee: Yiwu Wangxingyu Pet Products Co., Ltd.
    Inventor: Xiaohong Li
  • Patent number: D983464
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: April 11, 2023
    Assignee: Yiwu Wangxingyu Pet Products Co., Ltd.
    Inventor: Xiaohong Li
  • Patent number: D983465
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: April 11, 2023
    Assignee: Yiwu Wangxingyu Pet Products Co., Ltd.
    Inventor: Xiaohong Li