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    • 1. 发明授权
    • Liquid-filled anti-vibration mounting device
    • 充满液体的防振安装装置
    • US08025273B2
    • 2011-09-27
    • US11939904
    • 2007-11-14
    • Minoru KatayamaKatsutoshi OhtaSumio UchidaYoshiharu Yamamoto
    • Minoru KatayamaKatsutoshi OhtaSumio UchidaYoshiharu Yamamoto
    • F16F5/00
    • F16F13/106
    • In a liquid-filled anti-vibration mounting device suitable such as for an engine mount, an accommodation room containing a rubber movable plate is formed inside a partition member partitioning a liquid chamber into a pressure receiving chamber and a balancing chamber. The partition member includes a pair of division walls, one adjoining the pressure receiving chamber and the other adjoining the balancing chamber. Each division wall is formed with a plurality of communication holes. The communication holes are arranged to undulate at least a portion of the movable plate towards the peripheral edge thereof at specified circumferential intervals or greater by the action of the liquid pressure through the communication holes. The movable plate thus deformed, particularly its portion towards the peripheral edge, has a small area to come into contact with the division walls at a time, which effectively disperses and lessens a shock due to contact.
    • 在适用于发动机支架的充满液体的防振安装装置中,在将液体室分隔成压力接收室和平衡室的分隔部件内形成有容纳橡胶活动板的容纳室。 分隔构件包括一对分隔壁,一对分隔壁邻接压力接收室,另一个邻接平衡室。 每个分隔壁形成有多个连通孔。 连通孔布置成通过通过连通孔的液体压力的作用以特定的圆周间隔或更大的波长使可动板的至少一部分朝向其周边边缘波动。 这样变形的移动板,特别是其朝向周边边缘的部分,具有一小的面积,以便与间隔壁一次接触,这有效地分散并减轻了由于接触引起的冲击。
    • 10. 发明授权
    • Composite carbide powder used for cemented carbide and method of
producing the same
    • 用于硬质合金的复合碳化物粉末及其制造方法
    • US5928976A
    • 1999-07-27
    • US859228
    • 1997-05-19
    • Yoshiharu YamamotoNobuaki AsadaYoshihiko Doi
    • Yoshiharu YamamotoNobuaki AsadaYoshihiko Doi
    • B23B27/14B22F1/00C01B32/949C01B31/34
    • C01B31/34C01P2004/61C01P2004/80C01P2006/80
    • In order to provide cemented carbide, provision is made about tungsten carbide powder which has a grain size not smaller than 1 .mu.m and which is mixed with carbon powder and chromium powder to form raw powder. The tungsten carbide powder is formed by fine primary crystal particles of tungsten carbide and satisfies an inequality given by:Y>0.61-0.33 log (X),where Y denotes a half-value width of (211) crystal planes in tungsten carbide (JCPDS-card 25-1047, d=0.9020) measured by a X-ray diffraction method and where X denotes a grain size measured by the FSSS method. There is also provided a method of producing the composite carbide powder having tungsten carbide powder as a main element, the method comprising the steps of preparing tungsten powder which has a mean grain size not smaller than 1 .mu.m, mixing the tungsten powder with carbon powder and chromium powder into a mixture, and processing the mixture in a predetermined atmosphere into fine primary crystal particles of tungsten carbide. One or more of the following additional components may be added to the mixture: Ta, Mo, Nb and Zr.
    • 为了提供硬质合金,对碳化钨粉末进行了规定,该碳化钨粉末的粒径不小于1μm,与碳粉和铬粉混合形成原料粉末。 碳化钨粉末由碳化钨的微细的一次结晶粒子形成,满足由下式给出的不等式:Y> 0.61-0.33log(X),其中Y表示碳化钨中(211)晶面的半值宽度(JCPDS 卡25-1047,d = 0.9020),X表示通过FSSS法测定的晶粒尺寸。 还提供了以碳化钨粉末为主要成分的复合碳化物粉末的制造方法,其特征在于,具有平均粒径为1μm以上的钨粉末,碳粉末 和铬粉末混合成混合物,并将预定气氛中的混合物加工成碳化钨的细晶粒。 可以向混合物中加入一种或多种以下附加组分:Ta,Mo,Nb和Zr。