Patents by Inventor Zhi Zhou

Zhi Zhou 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: 20160052505
    Abstract: A vehicle propulsion system includes a plurality of power sources coupled to a final drive of the vehicle propulsion system. A controller is programmed to determine a desired power demand from the power sources and operate a number of the power sources to produce the desired power demand. The controller identifies a least efficient power source of the power sources and controls the least efficient power source to produce power at an optimum operating point of the least efficient power source. The controller also identifies a power output of the least efficient power source corresponding to the optimum operating point, compares the power output of the least efficient power source to the desired power demand, identifies a remaining power demand from the comparison, and controls another power source to produce the remaining power demand.
    Type: Application
    Filed: September 8, 2014
    Publication date: February 25, 2016
    Inventor: Zhi Zhou
  • Publication number: 20160052417
    Abstract: A control system for controlling the supply of power from an energy storage system to a DC bus of a vehicle propulsion system is disclosed herein. The control system includes a controller programmed to monitor real-time operating parameters of a plurality of energy storage units of the energy storage system, access degradation models for the plurality of energy storage units, and optimize usage of the plurality of energy storage units during real-time operation of the vehicle propulsion system based on the degradation models.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 25, 2016
    Inventors: Zhi Zhou, Robert Dean King, Jian Zhou, Fengcheng Sun, Zhihao Li
  • Publication number: 20160052410
    Abstract: A charging system for a vehicle includes a first energy storage device, a first DC-DC converter coupled between a DC bus and the first energy storage device, and a controller. The controller is programmed to identify charging parameters of a charging source coupleable to the first energy storage device through the first DC-DC converter, apply an optimization algorithm to iteratively define a charging power allocation to charge the first energy storage device using the charging source, and selectively control the first DC-DC converter to recharge the first energy storage device in accordance with the charging power allocation. The charging power allocation optimizes at least one of a state of charge (SOC) and a state of health (SOH) of the first energy storage device.
    Type: Application
    Filed: September 8, 2014
    Publication date: February 25, 2016
    Inventor: Zhi Zhou
  • Publication number: 20160052423
    Abstract: A vehicle propulsion system includes a first bi-directional DC-DC converter coupled to a first DC bus, an energy storage system comprising at least one energy storage unit coupled to the first bi-directional DC-DC converter, a first DC-to-AC inverter coupled to the first DC bus, and a first electromechanical device coupled to the first DC-to-AC inverter. A controller is programmed to determine a real-time operating speed of the first electromechanical device, compare the real-time operating speed of the first electromechanical device to a scheduled speed of the first electromechanical device, and selectively control the first bi-directional DC-DC converter to shift a voltage of the first DC bus based on the comparison.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 25, 2016
    Inventors: Jian Zhou, Zhi Zhou, Robert Dean King, Fengcheng Sun, Zhihao Li
  • Patent number: 9149767
    Abstract: The present invention provides a zero pollution recovery system for safely producing anhydrous fluorine hydride, comprising: a compartment, a reactor for producing fluorine hydride, and a water pool; the reactor is disposed in the compartment; the water pool is disposed at the bottom of the compartment; absorption hoods are respectively disposed above both ends of the reactor for absorbing fluorine hydride gas; at least two absorption towers mutually connected in series via pipes are disposed above the compartment; water pipes connected with the water pool are respectively disposed at the top and bottom of the absorption tower; and a cooler and a receiver connected with the water pool is disposed on the pipes. The present invention has the advantages of being able to control the range over which fluorine hydride can diffuse.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: October 6, 2015
    Assignee: SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO., LTD.
    Inventors: Xuemin Chen, Qingdong Ye, Yueming Yu, Sihai Zhou, Jun Yang, Zhi Zhou
  • Patent number: 8876938
    Abstract: The present invention provides a process for producing sponge titanium, which includes the following steps: Step A: placing aluminum into a resistance furnace, vacuum pumping, introducing inert gas, heating to molten aluminum; Step B: opening a reactor cover, adding a proper amount of potassium fluotitanate to a reactor, leakage detecting after closing the reactor cover, slowly raising the temperature to 150° C., vacuum pumping, and continuously heating to 250° C.; Step C: introducing inert gas into the reactor, continuously raising the temperature to 750° C., stirring uniformly; Step D: opening a valve to adjust the stirring speed, adding molten aluminum drops, and controlling the reaction temperature to 750° C. to 850° C.; Step E: opening the reactor cover, removing a stirring device, eliminating the upper layer of KAlF4 to obtain sponge titanium. The present invention has the beneficial effects of short process flow, low cost, environmental protection and harmlessness.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: November 4, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Jun Yang, Zhi Zhou
  • Patent number: 8880571
    Abstract: One or more continuous mappings are defined at a digital media encoder to convert input digital media data in a first high dynamic range format to a second format with a smaller dynamic range than the first format. The encoder converts the input digital media data to the second format with the smaller dynamic range using the continuous mapping and one or more conversion parameters relating to the continuous mapping. The encoder encodes the converted digital media data in a bitstream along with the conversion parameter(s). The conversion parameter(s) enable a digital media decoder to convert the converted digital media data back to the first high dynamic range format from the second format with the smaller dynamic range. Techniques for converting different input formats with different dynamic ranges are described.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: November 4, 2014
    Assignee: Microsoft Corporation
    Inventors: Sridhar Srinivasan, Zhi Zhou
  • Patent number: 8871002
    Abstract: The invention provides a technological method for preparing sponge titanium from sodium fluotitanate raw material, comprising the following steps: step A: placing aluminum in an airtight resistance furnace, evacuating, introducing inert gas into the resistance furnace, and heating the aluminum to obtain molten aluminum; step B: opening a reactor cover, adding a proper amount of sodium fluotitanate into the reactor, closing the reactor cover, detecting leakage, slowly heating the reactor to 150° C., evacuating and continuously heating the reactor to 250° C.; step C: introducing inert gas into the reactor, continuously heating the reactor to 900° C., and stirring uniformly; step D: opening a valve, adjusting the stirring speed, dripping the molten aluminum, and controlling the temperature of reaction in a range from 900 to 1000° C.; and step E: opening the reactor cover, removing a stirring device out of the reactor, and eliminating NaAlF4 at upper layer to obtain sponge titanium.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: October 28, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Jun Yang, Zhi Zhou
  • Patent number: 8864874
    Abstract: The invention provides a method for preparing sponge titanium from sodium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and zinc are mixed under a vacuum state, and sodium fluotitanate is then added into the mixture for reaction; a separation step: the product resulting from the complete reaction stands still and is then introduced with inert gas, and NaF and AlF3 in upper-layer liquid phase are extracted; and a distillation step: Zn in the remaining product Zn—Ti is distilled out under a vacuum state, wherein the mass ratio of the aluminum to the zinc is 1:2 to 1:10.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: October 21, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Jun Yang, Zhi Zhou
  • Patent number: 8864873
    Abstract: The invention provides a method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and zinc are mixed under a vacuum state, and the mixture is then reacted with potassium fluotitanate; a distillation step: KF, AlF3 and Zn generated by reaction are distilled out under a vacuum state; and a cooling step: sponge titanium is obtained subsequent to banking cooling. The invention further provides another method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and magnesium are mixed under a vacuum argon introduction condition, and the mixture is then reacted with potassium fluotitanate; a distillation step: KF, AlF3, MgF2 and Mg generated by reaction are distilled out under a vacuum state; and a cooling step: sponge titanium is obtained subsequent to banking cooling.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: October 21, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Jun Yang, Zhi Zhou
  • Patent number: 8758478
    Abstract: A method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding sodium carbonate and sodium hydroxide to the fluotitanic acid to enable a reaction to form the sodium fluotitanate; C) putting the sodium fluotitanate into a reactor, adding aluminum to react with the sodium fluotitanate to form the titanium sponge and sodium cryolite; D) extracting the sodium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and sodium sulphate, aluminum sodium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid solution; E) recycling the obtained hydrofluoric acid to Step A to leach the titaniferous iron concentrate.
    Type: Grant
    Filed: December 8, 2012
    Date of Patent: June 24, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Zhi Zhou, Xinyi Chen
  • Patent number: 8753421
    Abstract: A method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding potassium sulphate to the fluotitanic acid to enable a reaction to form the potassium fluotitanate; C) putting the potassium fluotitanate into a reactor, adding aluminum to react with the potassium fluotitanate to form the titanium sponge and potassium cryolite; D) extracting the potassium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and potassium sulphate, aluminum potassium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid aqueous solution; E) recycling the obtained hydrofluoric acid aqueous solution to Step A to leach the titaniferous iron concentrate.
    Type: Grant
    Filed: December 8, 2012
    Date of Patent: June 17, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Zhi Zhou, Xinyi Chen
  • Patent number: 8741831
    Abstract: The present invention is directed to the use of hydrophilic terpolymers in hard surface cleaners which provide easier cleaning for surface soils such as hard water stains, soap scum, limescale, mud, food, toilet stains, oil, grease, particulates and the like as well as anti-fog effects on hard surfaces such as glass, mirrors, ceramic and plastic by causing water droplets to coalesce into a film.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: June 3, 2014
    Assignee: BASF SE
    Inventors: Bingham Scott Jaynes, Zhiqiang Song, Xian-Zhi Zhou, Yingxia He
  • Publication number: 20140147399
    Abstract: Novel ampholytic ter-polymers comprising at least an ethylenically unsaturated cationic monomer, a monomer containing a carboxylic acid or sulfonic acid group and diallyamine or derivative are claimed. Further, the ter-polymers may be used in personal care or personal washing compositions optionally in the presence of conditioning agents such as silicone, fatty amines, fatty amine oxides and fatty quaternaries and/or various benefit agents. The ter-polymer compositions are especially useful in the treatment of keratin-containing substrates. Keratin substrates include, but are not limited to, animal and human hair, skin and nails.
    Type: Application
    Filed: January 30, 2014
    Publication date: May 29, 2014
    Applicant: BASF SE
    Inventors: Manuel Gamez-Garcia, Xian-Zhi Zhou
  • Patent number: 8699574
    Abstract: A method of processing video data includes: receiving a first video frame with first blocks of pixels associated with a known motion vector and a second video frame with second blocks of pixels, the second blocks corresponding to the first blocks, and uncovered blocks adjacent to the first frame boundary not corresponding to the first blocks in the first video frame; determining a first block for each line segment in the second video frame corresponding to a block in the first video frame, wherein the first block has the known motion vector from the first video frame; and assigning a motion vector for at least one of the line segments in the second video frame to the uncovered blocks in the line segment of the second video frame between first block and the first frame boundary.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: April 15, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Zhi Zhou, Yeong-Taeg Kim
  • Publication number: 20140086323
    Abstract: Embodiments according to the present invention configure the intra prediction mode candidates into multi-level MPM sets, which comprise at least a first-level MPM set and a second-level MPM set. Encoding or decoding a current intra prediction mode is based on the multi-level MPM sets, where one syntax element of the syntax information to be generated or decoded respectively is associated with evaluating the current intra prediction mode using the first-level MPM set. A method and apparatus for spectively is associated with evaluating the current intra prediction mode using the first-level MPM set. A method and apparatus for chroma intra prediction mode encoding and decoding are also disclosed. The chroma intra prediction mode set includes a Luma-based chroma prediction Mode (LM), a Direct Mode (DM) and four other modes. The codeword set comprises variable-length codewords and fixed-length codewords, and the fixed-length codewords are longer than the variable-length codewords.
    Type: Application
    Filed: June 14, 2012
    Publication date: March 27, 2014
    Applicant: MEDIATEK INC.
    Inventors: Tzu-Der Chuang, Ching-Yeh Chen, Yu-Wen Huang, Shan Liu, Zhi Zhou, Shaw-Min Lei
  • Patent number: 8663612
    Abstract: Novel ampholytic ter-polymers comprising at least an ethylenically unsaturated cationic monomer, a monomer containing a carboxylic acid or sulfonic acid group and diallyamine or derivative are claimed. Further, the ter-polymers may be used in personal care or personal washing compositions optionally in the presence of conditioning agents such as silicone, fatty amines, fatty amine oxides and fatty quaternaries and/or various benefit agents. The ter-polymer compositions are especially useful in the treatment of keratin-containing substrates. Keratin substrates include, but are not limited to, animal and human hair, skin and nails.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: March 4, 2014
    Assignee: BASF SE
    Inventors: Manuel Gamez-Garcia, Xian-Zhi Zhou
  • Patent number: 8644565
    Abstract: A method segments iris images from eye image data captured from non-cooperative subjects. The method includes receiving a frame of eye image data, and determining whether a pupil exists in the image by detecting glare areas in the image. Upon finding a pupil, subsequent images are processed with reference to the pupil location and a radius is calculated for the pupil. A k means clustering method and principal component analysis are used to locate pupil boundary points, which are fitted to a conic. Using the pupil boundary, an angular derivative is computed for each frame having a pupil and iris boundary points are fitted to a conic to identify an iris region between the iris boundary and the pupil boundary. Noise data are then removed from the iris region to generate an iris segment. A method for evaluating iris frame quality and iris image segmentation quality is also disclosed.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: February 4, 2014
    Assignee: Indiana University Research and Technology Corp.
    Inventors: Eliza Yingzi Du, Zhi Zhou, Emrah Arslanturk
  • Patent number: 8641996
    Abstract: A cyclic preparation method including the following steps: a) boric acid or boric anhydride is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluoborate; titanium-iron concentrate is added with hydrofluoric acid and then with potassium sulfate for reaction to generate potassium fluotitanate; B) the potassium fluoborate is mixed with the potassium fluotitanate, and the mixture reacts with aluminum to generate titanium boride and potassium cryolite; C) the potassium cryolite is sucked out and then fed into a rotary reaction kettle together with concentrated sulfuric acid, hydrogen fluoride gas as well as potassium sulfate and potassium aluminum sulfate are generated by reaction in the rotary reaction kettle, and the hydrogen fluoride gas is collected and then dissolved in water to obtain hydrofluoric acid aqueous solution; and D) the obtained hydrofluoric acid aqueous solution and potassium sulfate aqueous solution are recycled.
    Type: Grant
    Filed: December 9, 2012
    Date of Patent: February 4, 2014
    Assignee: Shenzhen Sunxing Light Alloys Materials Co., Ltd.
    Inventors: Xuemin Chen, Yueming Yu, Qingdong Ye, Jun Yang, Zhi Zhou
  • Patent number: 8609074
    Abstract: Disclosed herein are methods of making up and/or enhancing the appearance of a keratinous substrate comprising (1) forming a film on the keratinous substrate by applying to said keratinous substrate (a) a first cosmetic composition comprising at least one polyvinyl alcohol-styrylpyridinium polymer and (b) a second cosmetic composition comprising at least one complexing agent, and (2) exposing the film to radiation chosen from UV and visible light radiation.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: December 17, 2013
    Assignee: L'Oreal
    Inventors: Hy Si Bui, Chunhua Li, Jean-Thierry Simonnet, Xian Zhi Zhou, Nicholas Stergios Lioutas