Patents by Inventor Yunchang Zhang

Yunchang 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).

  • Patent number: 11921639
    Abstract: A method for caching data, and a host device and a storage system that caches data. The method includes determining a first file in a storage device as a first predetermined type of file; reallocating a logical address of a predetermined logical address region to the first file; and updating a first logical address to physical address (L2P) table, corresponding to the predetermined logical address region, in a cache of the host device. The updated first L2P table includes a mapping relationship between the logical address reallocated for the first file and a physical address of the first file.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Heng Zhang, Yuanyuan Ye, Huimei Xiong, Yunchang Liang
  • Patent number: 9388043
    Abstract: A chemical oxygen generator includes multiple parallel sequentially connected chemical core sections that extend the duration of operation of the chemical oxygen generator. An end of a first core section is contiguous with a chemical core high reactivity section, and a thermal insulation layer is disposed between an end of a second core section and the chemical core ignition plate, as well as between the bodies of the first and second core sections. A chemical core transition section is disposed between the other end of the first core section and the second core section, to insure that the reaction front propagates properly.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: July 12, 2016
    Assignee: B/E AEROSPACE, INC.
    Inventors: Gerald Maroske, Rainer Ernst, Yunchang Zhang, Girish S. Kshirsagar
  • Publication number: 20140241961
    Abstract: A chemical oxygen generator includes multiple parallel sequentially connected chemical core sections that extend the duration of operation of the chemical oxygen generator. An end of a first core section is contiguous with a chemical core high reactivity section, and a thermal insulation layer is disposed between an end of a second core section and the chemical core ignition plate, as well as between the bodies of the first and second core sections. A chemical core transition section is disposed between the other end of the first core section and the second core section, to insure that the reaction front propagates properly.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicant: B/E AEROSPACE, INC.
    Inventors: Gerald Maroske, Rainer Ernst, Yunchang Zhang, Girish S. Kshirsagar
  • Patent number: 8741221
    Abstract: A chemical oxygen generator includes multiple parallel sequentially connected chemical core sections that extend the duration of operation of the chemical oxygen generator. An end of a first core section is contiguous with a chemical core high reactivity section, and a thermal insulation layer is disposed between an end of a second core section and the chemical core ignition plate, as well as between the bodies of the first and second core sections. A chemical core transition section is disposed between the other end of the first core section and the second core section, to insure that the reaction front propagates properly.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: June 3, 2014
    Assignee: B/E Aerospace, Inc.
    Inventors: Gerald Maroske, Rainer Ernst, Yunchang Zhang, Girish S. Kshirsagar
  • Publication number: 20130259756
    Abstract: A chemical oxygen generator includes multiple parallel sequentially connected chemical core sections that extend the duration of operation of the chemical oxygen generator. An end of a first core section is contiguous with a chemical core high reactivity section, and a thermal insulation layer is disposed between an end of a second core section and the chemical core ignition plate, as well as between the bodies of the first and second core sections. A chemical core transition section is disposed between the other end of the first core section and the second core section, to insure that the reaction front propagates properly.
    Type: Application
    Filed: April 3, 2012
    Publication date: October 3, 2013
    Applicant: BE AEROSPACE, INC.
    Inventors: Gerald MAROSKE, Rainer ERNST, Yunchang ZHANG, Girish S. KSHIRSAGAR
  • Patent number: 6866794
    Abstract: The oxygen generating compositions are formed from a metal powder as a fuel, strontium peroxide as a chlorine suppressant, a catalyst, a reaction rate modifier, and an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof. The oxygen generating compositions can optionally also further comprise a transition metal oxide catalyst, and can optionally further include a binder as a pressing aid for forming an oxygen generating oxygen generating block or core. The oxygen generating compositions can be formed from zero to about 15% by weight of metal powder as a fuel, about 0.1%-20% by weight strontium peroxide, from zero to about 15% by weight of a transition metal oxide catalyst, from zero to about 5% of an optional binder, and the remainder of an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: March 15, 2005
    Assignee: BE Intellectual Property Inc.
    Inventors: Yunchang Zhang, James C. Cannon
  • Patent number: 6464757
    Abstract: The filter contains about 1-15% lithium hydroxide and about 85-99% hopcalite material, having a particle size of approximately 20 to 100 mesh, and can be used in combination with a chemical oxygen generator for removing chlorine gas and carbon monoxide.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: October 15, 2002
    Assignee: BE Intellectual Property, Inc.
    Inventors: Yunchang Zhang, Michael J. Brumely, James C. Cannon, John E. Ellison, Girish S. Kshirsagar
  • Publication number: 20020073846
    Abstract: The filter contains 1-15% lithium hydroxide and about 85-99% hopcalite material, having a particle size of approximately 20 to 100 mesh, and be used in combination with a chemical oxygen generator for removing chlorine gas and carbon monoxide.
    Type: Application
    Filed: August 17, 2001
    Publication date: June 20, 2002
    Inventors: Yunchang Zhang, Michael J. Brumely, James C. Cannon, John E. Ellison, Girish S. Kshirsagar
  • Patent number: 6352652
    Abstract: The oxygen generation compositions include about 0.5-15% by weight of a substantially carbon-free metal fuel, and about 0.1-20% by weight of alkali metal silicate, stannate, titanate or zirconate as a reaction rate and core rheology modifier and chlorine suppresser. The oxygen generating compositions also contain about 0.1-15% by weight of a transition metal oxide catalyst; and the remainder is substantially an alkali metal chlorate or perchlorate.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: March 5, 2002
    Assignee: BE Intellectual Property, Inc.
    Inventors: Yunchang Zhang, James C. Cannon
  • Publication number: 20010030311
    Abstract: The oxygen generation compositions include about 0.5-15% by weight of a substantially carbon-free metal fuel, and about 0.1-20% by weight of alkali metal silicate, stannate, titanate or zirconate as a reaction rate and core rheology modifier and chlorine suppresser. The oxygen generating compositions also contain about 0.1-15% by weight of a transition metal oxide catalyst; and the remainder is substantially an alkali metal chlorate or perchlorate.
    Type: Application
    Filed: April 16, 2001
    Publication date: October 18, 2001
    Inventors: Yunchang Zhang, James C. Cannon
  • Patent number: 6296689
    Abstract: The filer contains about 1-15% lithium hydroxide and about 85-99% hopcalite material, having a particle size approximately 20 to 100 mesh, and can be used in combination with a chemical oxygen generator for removing chlorine gas and carbon monoxide.
    Type: Grant
    Filed: March 16, 2000
    Date of Patent: October 2, 2001
    Assignee: BE Intellectual Property, Inc.
    Inventors: Yunchang Zhang, Michael J. Brumely, James C. Cannon, John E. Ellison, Girish S. Kshirsagar
  • Patent number: 6264896
    Abstract: The oxygen generation composition utilizes magnesium oxide to modify and smooth the oxygen generation rate, suppress chlorine formation, improve the rheology and uniformity of performance of an operating chemical oxygen candle, and to facilitate the mixing of the candle ingredients. The oxygen generation composition typically comprises a metal powder as a fuel; magnesium oxide; and an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof. The composition can also include a transition metal oxide catalyst, and can include a binder.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: July 24, 2001
    Assignee: Be Intellectual Property, Inc.
    Inventors: Yunchang Zhang, James C. Cannon
  • Patent number: 6231816
    Abstract: The oxygen generation compositions include about 0.5-15% by weight of a substantially carbon-free metal fuel, and about 0.1-20% by weight of alkali metal silicate, stannate, titanate or zirconate as a reaction rate and core rheology modifier and chlorine suppresser. The oxygen generating compositions also contain about 0.1-15% by weight of a transition metal oxide catalyst; and the remainder is substantially an alkali metal chlorate or perchlorate.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: May 15, 2001
    Assignee: BE Intellectual Property
    Inventors: Yunchang Zhang, James C. Cannon
  • Patent number: 6193907
    Abstract: The chlorate/perchlorate based oxygen generating compositions contain about 0.5-15% by weight of metal powder for use as a fuel selected from the group consisting of iron, nickel, cobalt and mixtures thereof; about 0.1% to about 15% by weight of at least one transition metal oxide catalyst; greater than 5% to about 25% by weight of an alkali metal silicate as a reaction rate and core rheology modifier, binder and chlorine suppresser; and the remainder substantially comprising an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof. The alkali metal silicate can be selected from the group consisting of sodium metasilicate, sodium orthosilicate, lithium metasilicate, potassium silicate, and mixtures thereof. The oxygen generating composition can also optionally contain a binder selected from the group consisting of glass powder, fiber glass and mixtures thereof.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: February 27, 2001
    Assignee: Be Intellectual Property, Inc.
    Inventors: Yunchang Zhang, Girish S. Kshirsagar, James C. Cannon
  • Patent number: 6143196
    Abstract: The chlorate/perchlorate based oxygen generating compositions contain about 0.5-15% by weight of metal powder for use as a fuel selected from the group consisting of iron, nickel, cobalt and mixtures thereof; about 0.1% to about 15% by weight of at least one transition metal oxide catalyst; greater than 5% to about 25% by weight of an alkali metal silicate as a reaction rate and core rheology modifier, binder and chlorine suppresser; and the remainder substantially comprising an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof. The alkali metal silicate can be selected from the group consisting of sodium metasilicate, sodium orthosilicate, lithium metasilicate, potassium silicate, and mixtures thereof. The oxygen generating composition can also optionally contain a binder selected from the group consisting of glass powder, fiber glass and mixtures thereof.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: November 7, 2000
    Assignee: Nellcor Puritan Bennett Incorporated
    Inventors: Yunchang Zhang, Girish S. Kshirsagar, James C. Cannon
  • Patent number: 6126854
    Abstract: The oxygen generation composition utilizes magnesium oxide to modify and smooth the oxygen generation rate, suppress chlorine formation, improve the rheology and uniformity of performance of an operating chemical oxygen candle, and to facilitate the mixing of the candle ingredients. The oxygen generation composition typically comprises a metal powder as a fuel; magnesium oxide; and an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof. The composition can also include a transition metal oxide catalyst, and can include a binder.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: October 3, 2000
    Assignee: BE Intellectual Property, Inc.
    Inventors: Yunchang Zhang, James C. Cannon
  • Patent number: 6071329
    Abstract: The filter contains about 1-5% lithium hydroxide and about 85-99% hopcalite material, having a particle size of approximately 20 to 100 mesh, and can be used in combination with a chemical oxygen generator for removing chlorine gas and carbon monoxide.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: June 6, 2000
    Assignee: BE Intellectual Property, Inc.
    Inventors: Yunchang Zhang, Michael J. Brumely, James C. Cannon, John E. Ellison, Girish S. Kshirsagar
  • Patent number: 6054067
    Abstract: The oxygen generation compositions include about 0.5-15% by weight of a substantially carbon-free metal fuel, and about 0.1-20% by weight of alkali metal silicate, stannate, titanate or zirconate as a reaction rate and core rheology modifier and chlorine suppresser. The oxygen generating compositions also contain about 0.1-15% by weight of a transition metal oxide catalyst; and the remainder is substantially an alkali metal chlorate or perchlorate.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: April 25, 2000
    Assignee: BE Intellectual Property
    Inventors: Yunchang Zhang, James C. Cannon
  • Patent number: 6030583
    Abstract: The oxygen generating compositions contain carbon-free metal powder as fuel to minimize generation of carbon monoxide. The carbon-free metal powder can be selected from copper, zinc, and antimony, and mixtures thereof, and can be used in combination with tin or iron. The oxygen generating compositions produce a breathable gas upon ignition of the composition, and comprise about 1-15% by dry weight of the metal powder as a fuel; about 0.1-5% by dry weight of at least one alkaline compound; a transition metal oxide catalyst; and the remainder substantially comprising an oxygen source. The oxygen generating compositions can optionally include a binder. An oxygen generating candle can also have an ignition pellet having a composition of about 25-50% by weight copper, zinc or antimony, 5-20% by weight Co.sub.3 O.sub.4, about 2-5% by weight glass powder, 0-25% by weight KClO.sub.4, and the balance being substantially NaClO.sub.3.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: February 29, 2000
    Assignee: BE Intellectual Property
    Inventors: Girish S. Kshirsagar, James C. Cannon, Yunchang Zhang
  • Patent number: 6007736
    Abstract: The oxygen generation composition utilizes a catalyst selected from the group consisting of copper oxide, nickel oxide, and mixtures thereof, to catalyze the reaction or a chlorate or perchlorate based oxygen generating composition, smooth oxygen generation, improve the rheology of an operating chemical oxygen candle, and to facilitate the mixing of the candle ingredients. The oxygen generation composition typically comprises about a metal powder as a fuel; a catalyst selected from the group consisting of copper oxide, nickel oxide, and mixtures thereof; an additive as a chlorine remover and reaction rate modifier; and an oxygen source selected from the group consisting of alkali metal chlorates, alkali metal perchlorates, and mixtures thereof. The oxygen generating composition can optionally further include a binder.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: December 28, 1999
    Assignee: BE Intellectual Property
    Inventors: Yunchang Zhang, James C. Cannon, Girish S. Kshirsagar