Chen, Zhejiang
Ayu Chen, Zhejiang CN
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20130334748 | SPIRAL AIR PRESSURE SPRING - A spiral air pressure spring designed by the invention solves the technical problems of complex structure and low compressive strength in the current gas springs. The spiral air pressure spring comprises a spring body, and is characterized in that the spring body is formed by an air column having a pressure air containing cavity, the air column is spiral, and at least one vent hole communicated with the containing cavity is arranged on the air column. The hardness of the spiral air pressure spring is adjusted by filling pressure air, the spiral air pressure spring is particularly large in deformation stroke and good in transverse and longitudinal ventilation, is used for manufacturing mattress, sofa, massage chair, cushion and the like, and is easy to remove moisture so that the influence on human body health is eliminated; the spiral air pressure spring is convenient in hardness adjustment and wide in one-way deformation range, meets the demands on various occasions and can be adjusted in real time to enhance the comfortable level; in addition, the spiral air pressure spring is convenient for coiled package to save the transportation cost, and can be unfolded by inflation when used by a user. | 12-19-2013 |
20140042679 | ELASTICITY-ADJUSTABLE AIR PRESSURE SPRING - An elasticity-adjustable air pressure spring designed by the invention solves the technical problems of complex structure and top-to-bottom air impenetrability in the current gas springs. The elasticity-adjustable air pressure spring comprises a spring body, and is characterized in that the spring body is formed by at least one hollow cavity column of a double-layer sidewall structure, a closed cavity containing pressure air is formed between the double layers of the sidewall, the cavity column is corrugated, and at least one vent hole communicated with the cavity is arranged on the sidewall of the cavity column. By using the corrugated structure like an accordion box and filling the pressure air, the hardness of the elasticity-adjustable air pressure spring is adjusted, the elasticity-adjustable air pressure spring is particularly good in transverse and longitudinal ventilation, a mattress comprising the elasticity-adjustable air pressure spring is easy to remove moisture so that the influence on human body health is eliminated; the elasticity-adjustable air pressure spring is convenient in hardness adjustment and wide in one-way deformation range, meets various demands and can be adjusted in real time to enhance the comfortable level; in addition, the elasticity-adjustable air pressure spring is convenient for coiled package to save the transportation cost, and can be unfolded by inflation when used by a user. | 02-13-2014 |
20140145382 | DIAMETER -VARIABLE CYLINDRICAL AIR PRESSURE SPRING - The invention relates to a diameter-variable cylindrical air pressure spring. The current air pressure spring has the shortcomings of complex structure, insufficient deformation stroke and poor ventilation effect. The diameter-variable cylindrical air pressure spring comprises a spring body, the spring body is formed by at least one hollow cavity body, the sidewall of the cavity body is of a multilayered structure, a closed cavity containing pressure air is formed between every two layers of the sidewall, the cavity body is in a diameter-variable cylindrical shape with two thicker ends and a thinner middle part, and a vent hole is arranged on each cavity, the spring is hollow and therefore good in top-to-bottom air penetrability, the inflation amount of the cavity is adjusted in real-time by means of inflation or deflation via the vent hole in order to adjust the hardness (elasticity) of the air pressure spring and to enhance the comfortable level and applicable scope; after the pressure air in the cavities is eliminated and the diameter-variable cylindrical air pressure spring is compressed, the spring takes up a small space and can be coiled to facilitate package, storage and transportation; and cavity columns may be independent, or may be formed in rows or in lines, and the cavities of the cavity columns may be either independent of or communicated with each other. | 05-29-2014 |
Benyong Chen, Zhejiang CN
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20130258348 | METHOD AND APPARATUS FOR MEASURING THE REFRACTIVE INDEX OF AIR BASED ON THE LASER SYNTHETIC WAVELENGTH INTERFEROMETRY - The present invention discloses a method and an apparatus for measuring the refractive index of air based on the laser synthetic wavelength interferometry, wherein a laser synthetic wavelength interferometer comprises a dual-frequency laser, a beamsplitter, a first polarizing beamsplitter, a second polarizing beamsplitter, a first corner-cube retroreflector and a second corner-cube retroreflector; a quartz vacuum cavity is disposed in the measuring optical path in parallel to the light propagation direction; when the measurement is performed, air is introduced into the quartz vacuum cavity until it is consistent with outside environment; the variation of the refractive index of air inside the cavity will cause change of the interference signal of the wavelength λ | 10-03-2013 |
Boting Chen, Zhejiang CN
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20130227980 | EXPANSION VALVE - An expansion valve is disclosed herein and includes a valve body having a chamber; a valve seat and a valve core are provided in the chamber; a first opening and a second opening in communication with the chamber, wherein the valve core moves relative to the valve seat to control a size of a flow channel between the first opening and the second opening, wherein the valve core includes a valve core head portion facing the valve seat, the valve head portion is provided with an axial through hole, a piston is provided in the axial through hole, the piston is connected with the valve body. The piston which is connected with the valve body is provided in the axial through hole of the valve core head portion of the expansion valve. Therefore, fluid pressure may be transmitted to the valve body by the piston, so as to reduce the forces applied on the valve core, and balance the influence of differential pressure between high pressure and low pressure on the valve core more steadily, which in turn can reflect the change in the superheat degree at the outlet of the evaporator truly. | 09-05-2013 |
20150101685 | THERMAL EXPANSION VALVE WITH ONE-WAY CONTROL FUNCTION - A thermal expansion valve with one-way control function includes a valve body having an inlet passage and an out passage, a temperature sensor installed on one end of said valve body, and a first valve core component installed in an inside chamber of said valve body. Said first valve core component includes a first valve core and a valve rod against said temperature sensor. Said valve body also includes an accommodation component extending from said inlet passage into said valve body and coaxially installed with said inlet passage. Said accommodation component has a second valve port connected with said inside chamber. Said accommodation component has a second valve core component having a supporting piece and a second valve core matching said second valve port. The processing of the structure is convenient and the assembly of the second valve core component is simple and reliable. | 04-16-2015 |
Chensi Chen, Zhejiang CN
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20120306109 | Method For Evenly Preparing Filament By Using High-Shearing Solution of Ultrahigh-Molecular-Weight Polyethylene - A method for evenly preparing filament by using high-shearing solution of ultrahigh-molecular-weight polyethylene is disclosed. The method involves mixing an ultrahigh-molecular-weight polyethylene with a solvent in a predetermined ratio, and processing the mixture through a high-shear method to prepare an ultrahigh-molecular-weight polyethylene emulsion solution that is extruded by a dual-screw extruder and quenched in chilled water into a gel protofilament. The gel protofilament is then cleaned by a hydrocarbon cleaning agent before undergoing extraction drawing, drying and hot drawing multiple times so as to form high-tenacity, high-modulus polyethylene fiber. The resultant fiber has good mechanical properties and less fiber misalignment while its production enjoys advantages of low energy consumption, good production conditions, and short production cycle. | 12-06-2012 |
Daoxin Chen, Zhejiang CN
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20100286437 | PREPATATION METHOD OF RIVASTIGMINE, ITS INTERMEDIATES AND PREPARATION METHOD OF THE INTERMEDIATES - The present invention provides N-methylethylcarbamino-3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenyl ester represented by formula (II) and its preparation method. The present invention also provides (S)-1-(3-methoxyphenyl)-N-methyl-N—[(S)-1-phenylethyl]ethylamine and 3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenol as intermediates of the compound represented by formula (II), and the use of the compound represented by formula (II) for preparing rivastigmine used for treating Alzheimer disease. | 11-11-2010 |
20140073809 | PREPARATION METHOD FOR RIVASTIGMINE, INTERMEDIATES THEREOF, AND PREPARATION METHOD FOR SAID INTERMEDIATES - The present invention provides the preparation method for (S)-3-(1-(dimethylamino)ethyl)phenyl ethyl(methyl)carbamate (formula X compound), the preparation methods for its intermediates (S)-1-(3-methoxyphenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium (formula VI compound), (S)-1-(3-hydroxyphenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium (formula VIII compound) and (S)-1-(3-(ethyl(methyl)carbamoyloxy)phenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium (formula IX compound), as well as the method for using above mentioned formula IX compound to prepare rivastigmine which can be used for the treatment of Alzheimer's disease. The preparation method for rivastigmine has a reasonable synthetic design with convenient source of raw materials and high total yield, and the product resulted has high chemical and optical purity, which makes it easy for large-scale. industrial production. | 03-13-2014 |
Gong Chen, Zhejiang CN
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20150023577 | DEVICE AND METHOD FOR DETERMINING PHYSIOLOGICAL PARAMETERS BASED ON 3D MEDICAL IMAGES - The invention discloses a device for determining physiological parameters based on 3D medical images. The device comprises: a border determining unit, which is used for determining a border of a target region; and a volume determining unit, which is used for determining the total number of voxels in the target region according to the border determined, and calculating volume of the target region according to a specified relation formula. The invention provides the calculating and processing method and the device with clear physical significance and simple and effective algorithm, and the method and the device are particularly suitable for processing the special situations of the various hearts with pathological changes in clinical art, and can improve the objectivity and accuracy in image data processing. | 01-22-2015 |
20150023578 | DEVICE AND METHOD FOR DETERMINING BORDER OF TARGET REGION OF MEDICAL IMAGES - The invention discloses a device for determining a border of a target region of a medical image, which is used for differentiating the border of the target region according to corresponding physical quantitative properties reflected by tissue distribution in the medical image. The device comprises: an interactive unit, by which an operator can select the target region on the medical image; a threshold setting unit, which determines threshold values of the physical quantitative properties in the target region selected; and a thresholding segmentation unit, which divides the region to be analyzed or the region of interest into sub-regions, or fills image cells (pixels) in the region to be analyzed, wherein the region to be analyzed contains the target region, and the sub-regions are the sub-regions which are segmented in the image. The thresholding segmentation unit compares average parameter values of the physical quantitative properties of each sub-region with the threshold values and marks all the cells according to comparison results. The present invention provides a calculating and processing method and a device with clear physical significance and a simple and effective algorithm, and the method and the device are particularly suitable for processing special situations of various hearts with pathological changes in clinical art. | 01-22-2015 |
Guanjun Chen, Zhejiang CN
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20120306109 | Method For Evenly Preparing Filament By Using High-Shearing Solution of Ultrahigh-Molecular-Weight Polyethylene - A method for evenly preparing filament by using high-shearing solution of ultrahigh-molecular-weight polyethylene is disclosed. The method involves mixing an ultrahigh-molecular-weight polyethylene with a solvent in a predetermined ratio, and processing the mixture through a high-shear method to prepare an ultrahigh-molecular-weight polyethylene emulsion solution that is extruded by a dual-screw extruder and quenched in chilled water into a gel protofilament. The gel protofilament is then cleaned by a hydrocarbon cleaning agent before undergoing extraction drawing, drying and hot drawing multiple times so as to form high-tenacity, high-modulus polyethylene fiber. The resultant fiber has good mechanical properties and less fiber misalignment while its production enjoys advantages of low energy consumption, good production conditions, and short production cycle. | 12-06-2012 |
Haizhen Chen, Zhejiang CN
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20150257521 | PERSONAL CARE APPLIANCE - Portable, electrically driven, handheld sonic personal skin/hair care device includes a housing and a drive assembly to which is coupled a treatment member. The treatment member may include active ingredients incorporated during manufacturing, that safely resist and inhibit the growth of mold, mildew and bacteria. The drive assembly includes a stator assembly, armature assembly, mounting member attached to the housing, elongated pivot arm having a first end directly coupled to the armature assembly and a second end directly coupled to the mounting member, and mounting arm having first and second ends, the first end being directly coupled to the armature assembly and the second end being directly coupled to the treatment member such that the stator, when energized, causes oscillation of the armature in an arcuate manner about a pivot point located at the mounting member in turn causing the treatment member to oscillate relative to the housing. | 09-17-2015 |
Hongbing Chen, Zhejiang CN
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20160076815 | HEAT EXCHANGER - Disclosed is a heat exchanger ( | 03-17-2016 |
Jixin Chen, Zhejiang CN
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20120003328 | MODIFIED SODIUM-MONTMORILLONITE, PREPARATION METHOD AND USES THEREOF - Provided are a modified Na-montmorillonite and a preparation method thereof, wherein the content of Na | 01-05-2012 |
Renjie Chen, Zhejiang CN
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20130335179 | HIGH-CORROSION RESISTANT SINTERED NDFEB MAGNET AND PREPARATION METHOD THEREFOR - High corrosion resistant sintered NdFeB magnets are provided with a composition by mass % of Nd | 12-19-2013 |
Rongmin Chen, Zhejiang CN
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20150315165 | PROCESS FOR THE PREPARATION OF A FLUOROLACTON DERIVATIVE - A novel process for the preparation of a fluorolactone derivative of the formula | 11-05-2015 |
Shaolong Chen, Zhejiang CN
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20160059666 | AIR CONDITIONING SYSTEM AND HEAT EXCHANGER - An air conditioning system comprises a compressor ( | 03-03-2016 |
Shengfu Chen, Zhejiang CN
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20090259015 | MIXED CHARGE COPOLYMERS AND HYDROGELS - Nonfouling copolymers and hydrogels comprising positively charged repeating units or latent positively charged repeating units and negatively charged units or latent positively charged units. | 10-15-2009 |
Shousong Chen, Zhejiang CN
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20140176899 | STRUCTURE OF DIAMOND-EMBEDDED EARPIECE AND EYEGLASS AND DIAMOND-EMBEDDING METHOD THEREOF - A structure of a diamond-inlaid eyeglass temple includes an eyeglass temple body ( | 06-26-2014 |
Wei Chen, Zhejiang CN
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20150337640 | METHODS FOR ANALYZING AND OPTIMIZING CASING WHILE DRILLING ASSEMBLIES - A method for selecting a bottomhole assembly (BHA) includes inputting casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, performing a dynamic simulation of a first BHA based on the casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, and presenting a first set of performance data of the first BHA calculated from the dynamic simulation. | 11-26-2015 |
Xipo Chen, Zhejiang CN
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20150176611 | LOAD SENSING ELECTRIC-PROPORTIONAL MULTI-WAY VALVE - This application discloses a load sensing electric-proportional multi-way valve. The technical problem to be solved by the present application is to provide a load sensing electric-proportional multi-way valve, enabling individual loops to operate with different loads, to save energy and reduce the environmental pollution. The technical solution for solving the technical issue includes as follows. A load sensing electric-proportional multi-way valve includes a main oil passage connected with two gear pumps P | 06-25-2015 |
Xuejun Chen, Zhejiang CN
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20150328123 | CROSS-LINKED SODIUM HYALURONATE GEL FOR TISSUE FILLER FOR PLASTIC SURGERY AND PREPARATION METHOD THEREOF - The present invention relates to a cross-linked sodium hyaluronate gel for tissue filler for plastic surgery and the preparation method thereof. The alkaline solution of sodium hyaluronate reacts with the long chain alkane containing epoxy group and the cross-linking agent containing epoxy group for 2˜5 hours at 35° C.˜50° C. to produce cross-linked sodium hyaluronate, then washed, gelled and sterilized, to prepare the gel. Among which, the molar ratio of sodium hyaluronate:cross-linking agent containing epoxy group:long chain alkane containing epoxy group is 10:4˜1:1˜4; the number of carbon atoms of the said long chain alkane containing epoxy group is 6 to 18. The gel prepared in the present invention can, on one hand, effectively enhance the resistance to enzymolysis to become more stable, and on the other hand, maintain the excellent biocompatibility of sodium hyaluronate without affecting its injectability. | 11-19-2015 |
Yamin Chen, Zhejiang CN
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20110281308 | Yellow Pigments Generation Deficient Sphingomonas Strain and Application Thereof in Gellan Gum Production - A yellow pigments generation deficient | 11-17-2011 |
Yani Chen, Zhejiang CN
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20140148518 | ENVIRONMENTALLY-FRIENDLY PASTE DISCHARGE AGENT FOR TEXTILE PRINTING AND PREPARATION METHOD THEREOF - The invention discloses an environmentally-friendly pasty discharge agent for textile printing and a method for preparing the environmentally-friendly pasty discharge agent. The environmentally-friendly pasty discharge agent for textile printing is formed by the following raw materials according to part by weight: decamethylcyclopentasiloxane: 30-60 parts; thiourea dioxide: 40-70 parts; surfactant: 1-3 parts; and glycerol: 3-6 parts. Decamethylcyclopentasiloxane is put into a ball mill, a surfactant is added into the ball mill to make the decamethylcyclopentasiloxane dispersed or dissolved uniformly and then stirred uniformly, and then thiourea dioxide is added into the ball mill and ground together for 1-3 hours. In the invention, the special liquid compound decamethylcyclopentasiloxane does not chemically react with the thiourea dioxide; in addition, it isolates the thiourea dioxide from outside water and air, thus increasing the stability of the thiourea dioxide. The discharge effect is excellent, the defects of low dissolvability, poor dispersion uniformity in the discharge paste, poor net permeability and insufficient discharge effect of the common thiourea dioxide as the discharge agent are overcome, and there is no influence on the touch of the discharged and printed textiles. | 05-29-2014 |
Zhenliang Chen, Zhejiang CN
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20150099873 | CRYSTALLINE FORM OF 2-((1'-N-HEXYLOXY) ETHYL)-2-DIVINYL-PYROPHEOPHORBIDE-A AND METHOD FOR PREPARING THEREOF - The present invention provides a crystalline form of HPPH (2-((1′-n-hexyloxy)ethyl)-2-divinyl-pyropheophorbide-a). The crystalline form can be characterized by an X-ray powder diffraction (XRD) pattern and differential scanning calorimeter (DSC) pattern. The present invention also provides a method for preparing the crystalline form of HPPH. | 04-09-2015 |
20150329490 | CYANINE DYE COMPOUND AND PREPARATION METHOD THEREFOR, AND DUAL-FUNCTION AGENT FOR PHOTODYNAMIC THERAPY AND PREPARATION METHOD THEREFOR - Disclosed are a cyanine dye compound and a preparation method therefor, and a dual-function agent for photodynamic therapy and a preparation method therefor. The provided cyanine dye compound is connected to multiple markers, which improves the accuracy of combination of dye and tumor cells, effectively reduces the background value, and avoids excessive residues in the liver. The provided cyanine dye compound is conjugated with the photosensitizer at 2′″ position, so that tumor highly absorbs the conjugates. | 11-19-2015 |
Zhirong Chen, Zhejiang CN
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20110132068 | ANTISKID PERFORMANCE TESTING APPARATUS FOR SHOE SOLE - An antiskid performance testing apparatus for shoe sole comprises a base ( | 06-09-2011 |