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    • 91. 发明授权
    • Rare earth-iron-nitrogen based magnetic material and method of
manufacturing the same
    • 稀土铁 - 氮基磁性材料及其制造方法
    • US5684076A
    • 1997-11-04
    • US570666
    • 1995-12-11
    • Takeshi TakahashiKiyoshi Kojima
    • Takeshi TakahashiKiyoshi Kojima
    • C08K3/08C08K3/28H01F1/059C08K3/10H01F1/055H01F1/06
    • H01F1/059C08K3/08C08K3/28
    • A rare earth-iron-nitrogen based magnetic material has superior magnetic properties. A method of manufacturing the rare earth-iron-nitrogen based magnetic material controls the decline in the magnetic properties of the material during pulverizing processes, and pulverizes the material to a critical particle dimension for single-domain behavior. The fragility of the material is increased since the material includes at least one element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and W at 0.05-5% atomic percentage. The material is pulverized by a gas current type jet mill. Sample powder injected from a hopper is introduced from a supply mouth to a pulverizing chamber by nitrogen gas spouting from a pressure nozzle, and the powder is then accelerated to acoustic velocity by high pressure nitrogen gas spouting from gliding nozzles. As a result, the powder particles collide with each other. Pulverization is mainly carried out by collisions between powder particles, but can be accomplished by the collision of powder particles against the inner wall of a pulverizing chamber. The powder is then exhausted from a classifying zone.
    • 稀土 - 铁 - 氮基磁性材料具有优异的磁性能。 制造稀土 - 铁 - 氮的磁性材料的方法控制了粉碎过程中材料的磁特性的下降,并将材料粉碎成单畴行为的关键颗粒尺寸。 材料的脆性增加,因为该材料包括0.05-5%原子百分数的选自Ti,Zr,Hf,V,Nb,Ta,Cr,Mo和W中的至少一种元素。 该材料通过气流型喷射磨粉碎。 从料斗注入的样品粉末通过从压力喷嘴喷出的氮气从供给口引入粉碎室,然后通过从滑动喷嘴喷出的高压氮气将粉末加速至声速。 结果,粉末颗粒彼此碰撞。 粉碎主要通过粉末颗粒之间的碰撞进行,但是可以通过粉末颗粒与粉碎室的内壁的碰撞来实现。 然后将粉末从分选区排出。
    • 97. 发明授权
    • Measuring device for measuring a fuel injection quantity
    • 用于测量燃料喷射量的测量装置
    • US4798084A
    • 1989-01-17
    • US939981
    • 1986-12-09
    • Takeshi TakahashiNaoyuki TsuzukiHidetaka NohiraYukimitsu OmoriAkio Takamura
    • Takeshi TakahashiNaoyuki TsuzukiHidetaka NohiraYukimitsu OmoriAkio Takamura
    • F02B1/04F02M65/00G01F3/20G01F13/00G01M15/00
    • F02M65/001G01F13/00G01F3/20F02B1/04
    • A measuring device for measuring a fuel injection quantity comprising fuel volume sensing means including a fuel injection chamber connected to a fuel injection valve and receiving the fuel injection quantity therefrom, a back pressure chamber which faces the fuel injection chamber, bulkhead means located between the fuel injection chamber and the back pressure chamber as an intercept therebetween and responsive to the fuel injection quantity for generating a displacement, sensing means for sensing the displacement of the bulkhead means, pressure means for holding a pressure of the back pressure chamber to be of a constant value, fuel injection quantity computing means responsive to the sensing means for determining a fuel injection quantity, discharging means including fuel discharging means for discharging the injected fuel quantity from the fuel injection chamber to its exterior, discharging quantity computing means responsive to the fuel injection quantity computing means for computing a discharged quantity, and discharge control means responsive to the discharging quantity computing means for controlling the fuel discharging means so as to control the discharged quantity.
    • 一种用于测量燃料喷射量的测量装置,包括燃料量检测装置,包括连接到燃料喷射阀并接收燃料喷射量的燃料喷射室,面向燃料喷射室的背压室,位于燃料 喷射室和背压室作为其间的截距,并响应于用于产生排量的燃料喷射量,用于感测隔板装置的位移的感测装置,用于将背压室的压力保持为恒定的压力装置 响应于用于确定燃料喷射量的感测装置的燃料喷射量计算装置,包括用于将喷射的燃料量从燃料喷射室排放到其外部的燃料排出装置的排出装置,响应于燃料喷射量的排出量计算装置 计算方法 排出量控制装置,其响应于排放量计算装置,用于控制燃料排放装置,以控制排放量。