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    • 5. 发明申请
    • Recombinant escherichia coli and overproduction method of polyhydroxybutyrate using the strain
    • 重组大肠杆菌和使用该菌株的多羟基丁酸盐的过量产生方法
    • US20050227340A1
    • 2005-10-13
    • US10998473
    • 2004-11-29
    • In KimIl JungHyo ParkKug KimByung Choi
    • In KimIl JungHyo ParkKug KimByung Choi
    • H04N7/24C12N1/21C12N9/16C12N15/09C12P7/62C12R1/19
    • C12P7/62
    • The present invention relates to a recombinant Escherichia coli having phbCAB originated from Alcaligenes eutrophus and an overproduction method of polyhydroxyalkanoate using the same, more precisely, a recombinant Escherichia coli ‘MG1655/pTZ18U-PHB’ or ‘JIL938/pTZ18U-PHB’ having phbCAB originated from Alcaligenes eutrophus and an overproduction method of polyhydroxyalkanoate comprising the steps of preparing transformed Escherichia coli having phbCAB originated from Alcaligenes eutrophus, inoculating and culturing the cells (growth phase), inducing the production of polyhydroxyalkanoate in the recomibnant Escherichia coli (stationary phase and producing phase), and inducing the extracellular secretion of the polyhydroxyalkanoate from the recombinant Escherichia coli. The method of the present invention facilitates not only overproduction of polyhydroxyalkanoate such as polyhydroxybutyrate by a simple batch culture but also industrial use of biodegradable polyhydroxyalkanoate replacing conventional non-biodegradable plastics by its simple and easy fermentation, separation and purification process.
    • 本发明涉及具有源自嗜碱性杆菌的phbCAB的重组大肠杆菌,以及使用该重组大肠杆菌的具有phbCAB的重组大肠杆菌MG1655 / pTZ18U-PHB'或'JIL938 / pTZ18U-PHB'的多羟基链烷酸酯的过量产生方法 来自产碱杆菌属的富含嗜碱性细菌的产生方法和多羟基链烷酸酯的过量产生方法,包括以下步骤:制备具有源自产碱杆菌属细菌的phbCAB的转化大肠杆菌,接种和培养细胞(生长期),诱导在大肠杆菌(稳定期和生产阶段)中产生聚羟基链烷酸酯 ),并诱导来自重组大肠杆菌的聚羟基链烷酸酯的细胞外分泌。 本发明的方法不仅通过简单的分批培养而不仅过度生产聚羟基链烷酸酯如聚羟基丁酸酯,而且还通过其简单且容易的发酵,分离和纯化方法替代常规的不可生物降解的塑料来生产可降解的聚羟基链烷酸酯的工业应用。
    • 8. 发明申请
    • Variable speed motor
    • 变速电机
    • US20060181238A1
    • 2006-08-17
    • US11287207
    • 2005-11-28
    • Byung ChoiDong LeeByoung MinDong Kim
    • Byung ChoiDong LeeByoung MinDong Kim
    • H02P1/42
    • H02P25/20H02P25/04H02P25/18
    • A variable speed motor is disclosed. The variable speed motor includes: a main winding including first and second main windings, and an auxiliary winding including first and second auxiliary windings, wherein the main winding and the auxiliary winding are wound on a stator to form a plurality of poles; and a plurality of relays for performing a switching operation between serial/parallel connections of the first and second main windings or the first and second auxiliary windings. The variable speed motor includes: a stator on which a 4-pole winding and a 12-pole winding are wound; a plurality of tap windings connected in series to a 4-pole main winding forming 4 poles, for extending a variable range of rotation speed of the motor during a 4-pole operation mode; and a phase control circuit for varying rotation speed of the motor by controlling a phase of an input power-supply signal during a 12-pole operation mode. Therefore, the variable speed motor greatly extends the range of a variable speed of the motor, and does not require an additional drive unit for varying the motor speed, such that production costs are greatly reduced, and electromagnetic vibration noise caused by a low-speed control mode of the motor is also greatly reduced. Rotation speed of the motor is controlled by a phase control operation and a winding switching operation, such that the variable speed motor effectively controls the motor speed, and greatly reduces power consumption.
    • 公开了一种变速电动机。 变速马达包括:包括第一和第二主绕组的主绕组和包括第一和第二辅助绕组的辅助绕组,其中主绕组和辅助绕组缠绕在定子上以形成多个极; 以及用于在第一和第二主绕组或第一和第二辅助绕组的串联/并联连接之间进行切换操作的多个继电器。 变速电动机包括:四极绕组和12极绕组缠绕的定子; 与4极主绕组串联连接的多个抽头绕组,形成4极,用于在4极运行模式期间延长电动机的可变转速范围; 以及用于通过在12极运行模式期间控制输入电源信号的相位来改变电动机的转速的相位控制电路。 因此,变速电动机极大地延长了电动机的变速范围,不需要额外的驱动单元来改变电动机速度,从而大大降低了生产成本,并且由低速度引起的电磁振动噪声 电机的控制方式也大大降低。 电动机的转速通过相位控制运行和绕组切换动作进行控制,使得变速电动机有效地控制电动机转速,大大降低功耗。
    • 10. 发明申请
    • Three-dimensional printing prototyping system
    • 三维打印原型系统
    • US20060099287A1
    • 2006-05-11
    • US11093424
    • 2005-03-30
    • Dong KimTaik LeeWon LeeHyun LimByung Choi
    • Dong KimTaik LeeWon LeeHyun LimByung Choi
    • B29C35/08
    • B29C64/165B33Y30/00B33Y50/02
    • The present invention relates to a three-dimensional printing prototyping system which includes a prototyping chamber having a prototyping table capable of moving up and down by a predetermined range, a material containing chamber containing a powder material and having a material supply table capable of moving up and down by a predetermined range, and a material supplying means for supplying the powder material contained in the material containing chamber to the prototyping table as much as a sectional thickness corresponding to divided section data of a three-dimensional prototype to be prototyped. The system of the present invention comprises a printing head for injecting a photocuring adhesive material to a region, corresponding to the sectional data, on the powder material supplied to the prototyping table; a curing device for photocuring at least the region on which the adhesive material is injected; and a control computer for controlling the printing head and the curing device such that the adhesive material is injected and cured, respectively, on the region corresponding to the divided section data of the three-dimensional prototype. According to the present invention, a period of time required in curing a three-dimensional prototype can be remarkably shortened and the three-dimensional prototype with its superior solidity can be obtained.
    • 本发明涉及一种三维打印原型系统,其包括具有能够上下移动预定范围的原型台的原型制造室,包含粉末材料的材料容纳室,并且具有能够向上移动的材料供给台 并且下降预定范围,以及材料供应装置,用于将包含在材料容纳室中的粉末材料提供给原型台,多达与要制成原型的三维原型的分割部分数据相对应的截面厚度。 本发明的系统包括一个用于将光固化粘合剂材料注射到提供给原型台的粉末材料上的与分段数据对应的区域的打印头; 用于至少在其上注入粘合剂材料的区域光固化的固化装置; 以及用于控制打印头和固化装置的控制计算机,使得粘合剂材料分别在对应于三维原型的分割部分数据的区域上被注入和固化。 根据本发明,可以显着缩短三维原型的固化所需的时间,并且可以获得其具有优异的立体性的三维原型。