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Dong, Shanghai

Baojun Dong, Shanghai CN

Patent application numberDescriptionPublished
20100025220Process for extractive distillation - A process for extractive distillation, including: feeding a solvent to an extractive distillation column via a solvent feeding inlet, wherein the solvent has a feeding temperature 3.5-22.5° C. higher than a top temperature of the extractive distillation column; feeding a mixture comprising a light component and a heavy component to the extractive distillation column via a mixture feeding inlet, wherein the mixture is liquid, and the mixture feeding inlet is lower than the solvent feeding inlet; condensing a vapor generated by the mixture in an upper portion of the extractive distillation column to obtain the light component; and separating the solvent in a lower portion of the extractive distillation column to obtain the heavy component.02-04-2010

Deyi Dong, Shanghai CN

Patent application numberDescriptionPublished
20110242974NETWORK TRANSPORT SYSTEM WITH HYBRID DYNAMIC BANDWIDTH ALLOCATION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a network transport system includes: determining a congestion mode based on a total bandwidth request meeting or exceeding a bandwidth threshold, where the congestion mode indicates a level of network traffic and the total bandwidth request is a sum of all bandwidth requests for accessing the network; calculating a fixed information rate schedule grant based on a fixed information rate list to create a bandwidth grant for a fixed information rate request; calculating a low latency schedule grant based on a low latency list to create the bandwidth grant for a low latency request; calculating a main schedule grant for allocating an available bandwidth based on the congestion mode, where the main schedule grant is calculated using a weighted maximum-minimum fairness method when the congestion mode indicates congestion; and generating a grant packet for defining a transmission schedule of a first network unit.10-06-2011

Fang Liang Dong, Shanghai CN

Patent application numberDescriptionPublished
20120110495CONTROLLING ELECTRONIC EQUIPMENT WITH A TOUCHING-TYPE SIGNAL INPUT DEVICE - Electronic equipment is controlled with a touching-type signal input device. An inputted navigator-calling request is received. A request mode of the inputted navigator-calling request is compared with a predefined request mode. It is determined whether the request mode of the inputted navigator-calling request matches with the predefined request mode. A navigator is displayed in response to determining there is a match. The navigator has a set of tabs distributed on at least part of a closed structure.05-03-2012

Gaoyun Dong, Shanghai CN

Patent application numberDescriptionPublished
20110060938COMPUTER INTERLOCKING SYSTEM AND CODE BIT LEVEL REDUNDANCY METHOD THEREFOR - A code bit level redundancy method for a computer interlocking system is provided. The method includes: (1) controlling the output in parallel, and (2) sharing the collected information.03-10-2011

Hui Dong, Shanghai CN

Patent application numberDescriptionPublished
20090053570FUEL CELL STACK FOR LOW TEMPERATURE START-UP AND OPERATION - A fuel cell stack without a terminal plate for low temperature starting operation, comprising: a plurality of membrane electrodes, a plurality of bipolar plates, at least one pair of current collecting lead boards, at least one electrical insulating partition boards, and two fastening rings. One electrical insulating partition board and one pair of current collecting lead boards serve to form one set of current output mechanism. The plurality of membrane electrodes, the plurality of wedge-shaped bipolar plates, and the at least one set of current output mechanism form a cylindrical fuel cell stack tightened by the two tightening rings. The cell stack is suitable for cold starting and for operation at temperatures below 0° C.02-26-2009

Jiajia Dong, Shanghai CN

Patent application numberDescriptionPublished
20090156516BENZYLPHENYL CYCLOHEXANE DERIVATIVES AND METHODS OF USE - Provided are compounds having an inhibitory effect on sodium-dependent glucose cotransporter SGLT. The invention also provides pharmaceutical compositions, methods of preparing the compounds, synthetic intermediates, and methods of using the compounds, independently or in combination with other therapeutic agents, for treating diseases and conditions which are affected by SGLT inhibition.06-18-2009

Jia-Jia Dong, Shanghai CN

Patent application numberDescriptionPublished
20080319195Enantioselective Preparation of Benzimidazole Derivatives and Their Salts - The invention relates to a new process for preparing benzimidazole derivatives having a chiral sulfoxide group in enantiomerically pure form or in a form in which one of the two enantiomers is present in an increased quantity over the other enantiomer. The invention likewise relates to a process for preparing the salts of the individual enantiomers of the benzimidazole derivatives with a chiral sulfoxide group. The invention relates in particular to a process for preparing the S-enantiomer of omeprazole (also known as esomeprazole) and the salts thereof, more particularly the zinc salt of the S-enantiomer of omeprazole. In the new process a prochiral sulfide is oxidized in an organic solvent with an oxidizing agent in the presence of a titanium(IV) complex.12-25-2008

Jingchao Dong, Shanghai CN

Patent application numberDescriptionPublished
20090036708Novel Process for the Preparation of Nonracemic Long Chain alpha-Amino Acid Derivatives - The present invention provides a process for the preparation of a nonracemic a-amino acid derivative from an optically active N-acyl lactam using an organometallic reagent to effect the opening of the ring followed by reduction of the ketone carbonyl to an alcohol or a methylene, or by a reductive amination to an amine, or by a ketalization reaction.02-05-2009

Kai Dong, Shanghai CN

Patent application numberDescriptionPublished
20100268861USB DRIVE - A universal serial bus (USB) drive includes a control button, a control signal generating circuit, a flash memory, a connection port, a processor, and an indication lamp. The USB drive generates a removal instruction from a connection device, according to a user operation thereon. The USB drive determines whether the flash memory is in a working state and controls the connection port to disconnect from the connection device, if the flash memory is not in the working state. The indication lamp on the USB drive provides a notification that the connection port is disconnected from the connection device.10-21-2010

Ke Dong, Shanghai CN

Patent application numberDescriptionPublished
20120074522VERTICAL ZENER DIODE STRUCTURE AND MANUFACTURING METHOD OF THE SAME - The present invention discloses a vertical zener diode structure, in which a deep N-sinker region and a P-implantation region of the zener diode are formed in an N-well within an epitaxial layer; the P-implantation region is closer to a silicon surface than the deep N-sinker region in a vertical direction. In this structure, as zener breakdown occurs at a position away from the silicon surface, the problem of a drift in the zener breakdown value can be improved. The present invention also discloses a manufacturing method of a vertical zener diode.03-29-2012

Lan Dong, Shanghai CN

Patent application numberDescriptionPublished
20090034793Fast Crowd Segmentation Using Shape Indexing - A method for performing crowd segmentation includes receiving video image data (S02-05-2009

Lanxin Dong, Shanghai CN

Patent application numberDescriptionPublished
20110256351ANTI-COUNTERFEIT FILM WITH AN AMPHICHROIC PATTERN AND A PREPARATION METHOD THEREOF - An anti-counterfeit film comprising an amphichroic pattern is prepared by (1) mixing a polymerizable liquid crystal material of chiral structure and a photoinitiator, blade-coating the mixture on a base film and then drying; (2) partially exposing the resulting material produced in step (1) using a positioned UV lamp, then drying and exposing in an UV radiation to obtain a desired film. The film prepared by the method has an amphichroic pattern which typically presents a red and green picture when being vertically observed, the original red and green respectively changes into green and blue when being observed at a certain incline angel. The anti-counterfeit film is characterized by obvious color change, easy identification, practicability and convenience, thus facilitating promotion and application.10-20-2011

Liang Dong, Shanghai CN

Patent application numberDescriptionPublished
20110222697METHOD AND SYSTEM FOR LOCATING A SOUND SOURCE - The invention relates to a method and system for locating a sound source. The system comprises:—a receiving unit (09-15-2011
20110257548METHOD AND SYSTEM FOR PROCESSING HEART SOUND SIGNALS - The invention provides a method of processing at least one heart sound signal, and the method comprises the step of: receiving (10-20-2011
20120116238SYSTEM AND METHOD FOR MEASURING A RESONANCE FREQUENCY OF A TUBE - The invention proposes a system for measuring a resonance frequency of a tube. The system comprises: an oscillating unit (05-10-2012

Li Wei Dong, Shanghai CN

Patent application numberDescriptionPublished
20080311757SYSTEM AND METHOD FOR CHEMICAL DRY ETCHING SYSTEM - A system and method for chemical dry etching system. The present invention provides a method for performing an etching process for manufacture of integrated circuits. The method includes providing a semiconductor wafer. The method also includes the step of maintaining the semiconductor wafer in a predetermined environment. The method includes subjecting a portion of the layer to a plasma environment. The plasma environment includes one or more plasma species. For example, the plasma species are used to perform etching. The method also includes monitoring a pressure condition within a first transport device using a sensing device. The sensing device is spatially configured between a valve and a pumping device. The valve is coupled to a second exhaust coupled to the plasma chamber. The method additionally includes determining if the pressure condition within the first exhaust is within a predetermined condition. The method includes removing the one or more plasma species through the first exhaust, through the valve, and through the second exhaust if the pressure condition within the first exhaust is within the predetermined condition.12-18-2008

Ming-Yan Dong, Shanghai CN

Patent application numberDescriptionPublished
20090254364MediCAD Chinese medical system - A Chinese medical system includes a signal input device for entering information, an input signal generated in response to the signal input device, a database system comprising a diagnostic database storing a diagnostic information of Chinese diagnostic information and a matching analyzer analyzing the input signal and matching the input signal with the diagnostic information, a diagnostic output signal generated in response to the matching analyzer of the database system, a responsive system including an action database storing a treatment methods information, a retriever retrieving the treatment methods information in response to the diagnostic output signal to generate a retriever signal, a signal transmitter receiving the diagnostic output signal and transmitting the diagnostic output signal to the retriever, and a responsive signal generator generating a responsive signal from gathering and organizing the retriever signal.10-08-2009

Qinli Dong, Shanghai CN

Patent application numberDescriptionPublished
20120027944PROCESSES FOR PRODUCING CARBON FIBER, THE FILAMENT THEREOF, AND PRE-OXIDIZED FIBER - Processes for producing carbon fibre, the filament thereof and pre-oxidized fibre are provided. In one embodiment, the gel spinning of polyacrylonitrile filament is achieved by using small-molecule gelling agent, and the carbon fibre obtained thereby is increased by 15% to 40% in tensile strength and by 20% to 35% in toughness. In another embodiment, the melt spinning process of polyacrylonitrile is conducted by using imidazole type ion liquid as plasticizer, the process reduces environment pollution, is suitable for industrial production and the fibre produced thereby is improved in its strength. In yet another embodiment, polyacrylonitrile pre-oxidized fibre is produced by melt spinning, so low cost and controllable pre-oxidization of polyacrylonitrile can be achieved. In a further embodiment, high strength carbon fibre is manufactured by using polymer thickening agent. In another further embodiment, low cost and controllable pre-oxidization of polyacrylonitrile is achieved by conducting pre-oxidization before spinning, minimizing skin-core structure, so as to produce high performance carbon fibre, and reduce the production cost of carbon fibre greatly.02-02-2012

Shengzhi Dong, Shanghai CN

Patent application numberDescriptionPublished
20110074530MIXED RARE-EARTH PERMANENT MAGNET AND METHOD OF FABRICATION - A permanent magnet comprises boron, cobalt, a metallic alloy component, about 28-35 weight percent of mixed rare-earth material, and iron as a balance. The metallic alloy component is selected from the group consisting of aluminum, copper, niobium, gallium, vanadium, chromium, zirconium, and combinations thereof. The mixed rare-earth material comprises light rare-earth material and heavy rare-earth material. The light rare-earth material comprises at least about 50 weight percent of praseodymium and about 5-50 weight percent of neodymium. The heavy rare-earth material comprises dysprosium or a combination of dysprosium and terbium. The mixed rare-earth material comprises about 3-45 weight percent of heavy rare-earth material. A sum of intrinsic coercivity in the unit of kilo Oersted (kOe) and maximum energy product in unit of mega gauss Oersteds (MGOe) of the permanent magnet is at least about 55.03-31-2011
20110236246METHOD OF FABRICATION OF MIXED RARE-EARTH PERMANENT MAGNET - A method of producing a permanent magnet includes: melting boron, cobalt, a metallic alloy component, a mixed rare earth material, and iron together to form a melted alloy and forming a first alloy ingot using the melted alloy, wherein the permanent magnet comprises about 28-35 weight percent of rare earth material; crushing the first alloy ingot into particles having a first average particle diameter less than about 3 millimeters; milling the particles to form a powder mixture with a second average particle diameter in the range from about 2.5-5 microns; shaping the powder mixture, in a magnetic field, into a powder compact; sintering the powder compact at a temperature ranging from about 1020-1120 degrees centigrade for a time duration ranging from about 1-5 hours to form a second ingot; and aging the second ingot at a temperature ranging from about 450-650 degrees centigrade for time duration ranging from about 1-5 hours09-29-2011

Tinglong Dong, Shanghai CN

Ting Ting Dong, Shanghai CN

Patent application numberDescriptionPublished
20100283691SPATIAL FILTER FOR NEAR FIELD MODIFICATION IN A WIRELESS COMMUNICATION DEVICE - A spatial filter is developed for specific absorption rate (SAR) reduction in a wireless device. A conductive element is designed to modify the near field distribution of an antenna operating in a wireless device. This reduces SAR while minimizing degradation of antenna efficiency at one or several frequency bands that the antenna is designed to operate over. Lumped reactance can be designed into the conductive element to generate low pass, band pass, and/or high pass frequency characteristics. Distributed reactance can be designed into the conductive element to replace or to work in conjunction with the lumped reactance. Active components can be designed into the conductive element to provide dynamic tuning of the frequency response of the conductive element.11-11-2010

Toney Dong, Shanghai CN

Patent application numberDescriptionPublished
20090147496REAR MOUNT SHAFTLESS MOTOR AND LIGHTING SYSTEM - A motor and lighting system and method for mounting the motor and lighting system to the instrument cluster are disclosed, wherein the motor and lighting system includes a light source disposed on a rear side of a printed circuit board, the light source in electrical communication with a source of electrical energy and a motor having an aperture formed therein and disposed on the rear side of the printed circuit board, light emitted from the light source passing through the aperture of the motor.06-11-2009

Weitong Dong, Shanghai CN

Patent application numberDescriptionPublished
20110207790PROCESSES USEFUL FOR THE PREPARATION OF 1-[3-(4-BROMO-2-METHYL-2H-PYRAZOL-3-YL)-4-METHOXY-PHENYL]-3-(2,4-DIFLUORO- -PHENYL)UREA AND CRYSTALLINE FORMS RELATED THERETO - The present invention is directed to processes and intermediates useful for the preparation of 1-[3-(4-bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-(2,4-difluoro-phenyl)-urea (Compound I), crystalline forms and solvate forms thereof; and compositions comprising 1-[3-(4-bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-(2,4-difluoro-phenyl)-urea, crystalline forms and solvate forms thereof prepared by processes as described herein.08-25-2011

Wenhui Dong, Shanghai CN

Patent application numberDescriptionPublished
20090279333METHOD AND APPARATUS FOR REDUCING STANDBY POWER OF SWITCHING MODE POWER SUPPLIES - An apparatus for coupling a switching mode power supply (SMPS) controller to a rectified line voltage. The apparatus includes a high-voltage startup transistor configured to provide a charging current during a startup phase of the SMPS controller and to provide substantially no current during a normal operation phase of the SMPS controller. A switch coupled to the high-voltage startup transistor. The switch receives a control signal from the SMPS controller, for turning off the switch during the startup phase and turning on the switch during the normal operation phase. A biasing device is connected in series with the switch and maintains the startup transistor in an off state when the SMPS controller is in the normal operation phase. A standby current in the apparatus is substantially lower when the SMPS controller is in the normal operation phase than the charging current in the apparatus when the SMPS is in the startup phase.11-12-2009

Xiangting Dong, Shanghai CN

Patent application numberDescriptionPublished
20110243882ANTIBACTERIAL POLYMER EMULSION AND COATING COMPOSITION - An aqueous antibacterial polymer emulsion and coating compositions are provided. The aqueous antibacterial polymer emulsion comprising a polymer A, an oxidant and a metal complexed with a copolymer B comprising heterocyclic containing monomers; wherein the metal is selected from copper, silver, gold, tin, zinc and combinations thereof; and wherein the emulsion is heat stable. The coating compositions made therefrom provide persistent, broad spectrum antibacterial activity without discoloration problem upon exposure to heat and/or sun light.10-06-2011

Xiaolei Dong, Shanghai CN

Patent application numberDescriptionPublished
20090271628METHOD AND SYSTEM FOR KEY EXCHANGE AND METHOD AND APPARATUS FOR REDUCING PARAMETER TRANSMISSION BANDWIDTH - The embodiments of the present disclosure disclose a method and apparatus for reducing the parameter transmission bandwidth. The parameter sender reduces the values of the parameters before sending the parameters to the parameter receiver. This scheme reduces the bandwidth consumed during parameter transmission, thus makes the transmission more efficient. The embodiment of the present disclosure also discloses a method for key exchange. This method reduces the values of the transmission parameters before sending the transmission parameters. This saves the bandwidth compared with the protocol in the prior art. Besides, the embodiment of the present disclosure discloses a system for key exchange. The parameter sender sends the transmission parameters to the bandwidth processing unit. The bandwidth processing unit performs a modulo operation on the received transmission parameters and then sends the processed transmission parameters to the parameter receiver, thus reducing the bandwidth consumed in the transmission of transmission parameters.10-29-2009
20100272260METHODS AND APPARATUSES FOR KEY GENERATION, ENCRYPTION AND DECRYPTION IN BROADCAST ENCRYPTION - Methods and apparatuses for key generation, encryption and decryption in broadcast encryption. A public parameter and a primary key based on a first random number are generated. For each of leaf nodes in a binary tree, a right key set of the leaf node is calculated, the right key set including a right key of the leaf node and right keys of right brother nodes for all the nodes on a path from a root node to the leaf node. A left key set of the leaf node is calculated, the left key set including a left key of the leaf node and left keys of left brother nodes for all the nodes on the path. The sum of the second and third random numbers equals to the first random number. The second random number is different for different subscribers.10-28-2010

Xiao Xiao Dong, Shanghai CN

Patent application numberDescriptionPublished
20120120221Body Fluid Analyzing System and an Imaging Processing Device and Method for Analyzing Body Fluids - The present invention discloses a body fluid analyzing system, comprising: a central control and processing component for sending a control signal to the source image capturing component; a source image capturing component for capturing a body fluid source image according to said control signal and sending said source image to said central control and processing component. Said central control and processing component is further used for transforming source images to image coefficients and generating the corresponding coefficient matrix. Then the coefficient matrix is inversely transformed to a focus-fused image for output. The present invention further discloses an image processing device and method for analyzing body fluid. The application of the present invention can reduce the probability of object image omission or fuzziness and, to a great extent, increase the identification success rate so that the precision of the entire system is increased.05-17-2012

Yanshi Dong, Shanghai CN

Patent application numberDescriptionPublished
20100156604RFID TAG READING APPARATUS AND METHOD - A method comprises identifying a known-ID-number set comprising at least two ID numbers of corresponding tags and each ID number comprises a plurality of bit positions; calculating an entropy between each corresponding bit position in the known-ID-number set; identifying the bit position having a greatest entropy; and transmitting a reading query to the tags in a communication range. The reading query includes a differential specific number corresponding to the bit position having the greatest entropy.06-24-2010

Yaoqi Dong, Shanghai CN

Patent application numberDescriptionPublished
20110193156ELECTRICALLY ERASABLE PROGRAMMABLE MEMORY AND ITS MANUFACTURING METHOD - The electrically erasable programmable memory and its manufacturing method of the present invention forms above the floating gate the polysilicon spacer regions that are extended from the central part of the source region; the insulating part between the polysilicon spacer region and the floating gate has a smaller thickness to increase the capacitance between the floating gate and the polysilicon spacer region and further increasing the voltage coupled to the floating gate. Therefore, the present invention can effectively increase the coupling capacitance at the drain terminal, and has an advantage of low cost and easy production.08-11-2011

Yaozu Dong, Shanghai CN

Patent application numberDescriptionPublished
20080282241Method and Apparatus to Support Virtualization with Code Patches - A processing system executes an emulation patch for a guest virtual machine (VM) of the processing system. In one embodiment, the emulation patch includes data to facilitate identification of a routine to emulate a guest instruction. After executing the emulation patch for the guest VM, the processing system may use the data to find an emulation routine for emulating the guest instruction. The processing system may transfer control from the guest VM to a virtual machine monitor (VMM) in response to execution of the emulation patch, without saving a trap frame. The VMM may then find and execute the emulation routine for the guest instruction without decoding the guest instruction. A break instruction with an immediate value, for example, may be used for the emulation patch. The immediate value may be used for finding the emulation routine. Other embodiments are described and claimed.11-13-2008
20120089982SUPPORTING HETEROGENEOUS VIRTUALIZATION - Machine-readable media, methods, apparatus and system are described. In some embodiments, a virtual machine monitor of a computer platform may comprise a service virtual machine created by the virtual machine monitor partitioning an underlying hardware machine to support execution of a plurality of overlying guest operating systems, wherein the plurality of guest operating systems comprise a guest operating system complying with a non-native guest system architecture different from a host system architecture with which the hardware machine complies. The service virtual machine may further comprise a translation layer to translate instructions from the guest operating system complying with the non-native guest system architecture into instructions complying with the host system architecture.04-12-2012

Patent applications by Yaozu Dong, Shanghai CN

Yao Zu Dong, Shanghai CN

Patent application numberDescriptionPublished
20110153909Efficient Nested Virtualization - In one embodiment of the invention, the exit and/or entry process in a nested virtualized environment is made more efficient. For example, a layer 06-23-2011
20120066676DISABLING CIRCUITRY FROM INITIATING MODIFICATION, AT LEAST IN PART, OF STATE-ASSOCIATED INFORMATION - An embodiment may include circuitry to be comprised at least in part in a first host, and being enabled, when the circuitry is in a first mode of operation, to modify, at least in part, first information maintained, at least in part, by the circuitry and associated, at least in part, with at least one operational state. The circuitry may be disabled from initiating modification to the first information when the circuitry is in a second mode. The circuitry may enter the second mode in response to at least one command. When in the second mode, the circuitry may (03-15-2012

Yong Dong, Shanghai CN

Patent application numberDescriptionPublished
20090078460Casing and mounting device - The present application discloses a casing and a corresponding mounting device, for protecting pins of an element from melting during a process flow in which the element is soldered on a circuit board, while saving an area required for soldering the element on the circuit board. The casing comprises a hollow body provided with at least one opening.03-26-2009

Yu Dong, Shanghai CN

Patent application numberDescriptionPublished
20100263978TORQUE TRANSMITTING DEVICE - A torque transmitting device includes a plurality of clutch plates, a ramp member that is selectively rotatable about an axis and that defines a ramp surface, a worm gear that is operatively connected to the ramp member for rotation therewith about the axis, and a roller element contacting the ramp surface. The ramp surface is configured such that, when the ramp member is rotated about the axis, the roller element exerts a reaction force on the ramp surface that urges the ramp member to move in a first axial direction and thereby transmit the reaction force to the clutch plates10-21-2010

Yun Feng Dong, Shanghai CN

Patent application numberDescriptionPublished
20100070924RENDERING A CUSTOMIZED LIST OF CONTROLS - Form controls can be reused so that the control can be bound to large volumes of data without adverse performance issues because of a large number of controls. A maximum number of rows of data N that can appear in a form are calculated. A container in memory is created for N+2 rows. The additional two rows are used to store the row after the last displayed row and the row previous to the first displayed row. In response to a user scroll or tab operation, rows within the container are reused. Child controls are hosted by the control and are also reused when the data is scrolled out of view.03-18-2010

Zheng Dong, Shanghai CN

Patent application numberDescriptionPublished
20100210640BENZAMIDE DERIVATIVES, THEIR PREPARATION AND USES IN MEDICINE THEREOF - The present invention discloses novel benzamide derivatives represented by general formula (I), their preparation, pharmaceutical compositions containing the derivatives and their use as medicament, especially as a 5-HT08-19-2010

Zongde Dong, Shanghai CN

Patent application numberDescriptionPublished
20080314575PARALLEL FLOW EVAPORATOR - A parallel flow evaporator comprises a transitional plate. A left side plate and a right side plate are connected with two side edges of the transitional plate respectively. A first liquid inlet manifold is secured to an upper side edge of a forward side surface of said transitional plate, a first gas outlet manifold is secured to an upper side edge of a rearward side surface of said transitional plate, a second liquid inlet manifold is secured to a lower side edge of the forward side surface of said transitional plate, and a second gas outlet manifold is secured to a lower side edge of the rearward side surface of said transitional plate. A plurality of flat tubes, which are parallel with and distant from each other, are arranged between said first liquid inlet manifold and said second liquid inlet manifold. Said first liquid inlet manifold and said second liquid inlet manifold as well as said first gas outlet manifold and said second liquid inlet manifold communicate with said flat tubes. Between the flat tubes there are arranged a plurality of fins. A left end of the second liquid inlet manifold is connected with a coolant inlet and a left end of the second gas outlet manifold is connected with a coolant outlet. According to the present invention, flat tubes and fins are provided in the parallel flow evaporator, and the liquid inlet manifolds and the gas outlet manifolds are designed as U-tubes, so the heat exchange efficiency of the parallel flow evaporator is improved.12-25-2008