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公开(公告)号：US4982373A
公开(公告)日：1991-01-01
申请号：US423648
申请日：1989-10-17
CPC分类号： B01F15/00928 , B01F15/00435 , B01F7/00733 , F16C19/12 , F16C19/55 , B01F2015/0011 , Y10S366/601
摘要： The present invention relates to a fluid agitator which may stir fluid in a closed space without leakage of the fluid. The fluid agitator has a motive means and a bearing means installed in the closed space.In the fluid agitator employing a electric motor as the motive means, only the stator coil of the motor which is weak in its resistance against high temperatures and humid atmosphere is sealed in a sealing chamber. The sealing chamber may be provided with a cooling device to cool the inside thereof. The driving shaft of the motor is supported by a bearing having resistance to high temperatures and high humidity and is provided with an agitating blade.In the fluid agitator employing a turbine system as the motive means, a turbine chamber and a turbine blade are set in the closed space. A fluid supply is furnished to introduce fluid into the turbine chamber from outside of the closed space for driving and rotating the turbine blade. The turbine blade is connected to an agitating blade through a rotation transmission.
摘要翻译： 本发明涉及一种流体搅拌器，其可以在封闭空间内搅拌流体而不泄漏流体。 流体搅拌器具有动力装置和安装在封闭空间中的轴承装置。 在采用电动机的流体搅拌器作为动力装置中，只有电阻器耐高温和潮湿气氛较弱的电动机的定子线圈被密封在密封室中。 密封室可以设置有冷却装置以冷却其内部。 马达的驱动轴由具有耐高温和高湿度的轴承支撑，并且设置有搅拌叶片。 在采用涡轮机系统作为动力装置的流体搅拌器中，将涡轮室和涡轮叶片设置在封闭空间中。 流体供应装置用于将流体从封闭空间的外部引入涡轮室，用于驱动和旋转涡轮机叶片。 涡轮叶片通过旋转传动装置连接到搅拌叶片。
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公开(公告)号：US5066134A
公开(公告)日：1991-11-19
申请号：US589459
申请日：1990-08-09
CPC分类号： B01F15/00928 , B01F15/00435 , B01F7/00733 , F16C19/12 , F16C19/55 , B01F2015/0011 , Y10S366/601
摘要： The present invention relates to a fluid agitator which may stir fluid in a closed space without leakage of the fluid. The fluid agitator has a motive means and a bearing means installed in the closed space. In the fluid agitator employing a electric motor as the motive means, only the stator coil of the motor which is weak in its resistance against high temperatures and humid atmosphere is sealed in a sealing chamber. The sealing chamber may be provided with a cooling device to cool the inside thereof. The driving shaft of the motor is supported by a bearing having resistance to high temperatures and high humidity and is provided with an agitating blade. In the fluid agitator employing a turbine system as the motive means, a turbine chamber and a turbine blade are set in the closed space. A fluid supply is furnished to introduce fluid into the turbine chamber from outside of the closed space for driving and rotating the turbine blade. The turbine blade is connected to an agitating blade through a rotation transmission.
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公开(公告)号：US5067733A
公开(公告)日：1991-11-26
申请号：US527658
申请日：1990-05-18
CPC分类号： F16J15/3488 , Y10S277/91 , Y10T29/49895 , Y10T29/53987
摘要： A mechanial seal having a split seal ring which is covered by a support ring over the outer face with a predetermined gap and is fastened in a circular shape by a O ring inserted in the predetermined gap. The split seal ring is easily assembled by a tool which includes a split ring body. The split ring body has a basic inner face contacting to a surface of a rotary shaft, an end face contacting to the end face of the split seal ring an a projection for inserting the O ring into the gap.
摘要翻译： 一种机械密封件，具有分开的密封环，该隔离密封环由外表面上的支撑环以预定的间隙覆盖，并且通过插入在预定间隙中的O形环固定成圆形。 分割密封环可以通过包括开口环体的工具容易地组装。 开口环体具有与旋转轴的表面接触的基本内表面，与分隔密封环的端面接触的端面和用于将O形环插入间隙的突起。
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4.发明授权Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same 失效使用孔分散材料的机械密封和孔分散硬质合金及其制造方法
公开(公告)号：US4997192A
公开(公告)日：1991-03-05
申请号：US495350
申请日：1990-03-19
CPC分类号： F16J15/3424 , C04B38/0051
摘要： A mechanical seal is, at a sliding surface and at its vicinty, formed of a pore-dispersed cemented carbide, so that the lubricating characteristics can be improved and the strength maintained by strictly stipulating the magnitude, shape, and volumetric ratio of the pores, such that pores are contained in an amount of 0.5 to 20 volume %, formed in at least one shape selected from the group of a substantialy spherical shape and a substantially cylindrical shape, the pores in the substantially spherical shape having an average diameter of 3 to 20 .mu.m, the pores in the substantially cylindrical shape having an average diameter of 3 to 20 .mu.m and an average length in the range from the average diameter up to 300 .mu.m, and that the pores are prevented from linking to each other to give a length greater than 2 mm.
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5.发明授权Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same 失效使用孔分散材料的机械密封和孔分散硬质合金及其制造方法
公开(公告)号：US4925490A
公开(公告)日：1990-05-15
申请号：US284983
申请日：1988-12-15
CPC分类号： F16J15/3424 , C04B38/0051
摘要： A mechanical seal is, at a sliding surface and at its vicinity, formed of a pore-dispersed cemented carbide, so that the lubricating characteristics can be improved and the strength maintained by strictly stipulating the magnitude, shape, and volumetric ratio of the pores, such that pores are contained in an amount of 0.5 to 20 volume %, formed in at least one shape selected from the group of a substantially spherical shape and a substantially cylindrical shape, the pores in the substantially spherical shape having an average diameter of 3 to 20 .mu.m, the pores in the substantially cylindrical shape having an average diameter of 3 to 20 .mu.m and an average length in the range from the average diameter up to 300 .mu.m, and that the pores are prevented from linking to each other to give a length greater than 2 mm.
摘要翻译： 机械密封在滑动表面和附近由孔分散的硬质合金形成，从而可以提高润滑特性，并通过严格规定孔的大小，形状和体积比来维持强度， 孔的含量为0.5〜20体积％，形成为从大致球状的大致圆筒状的至少一种形状，基本上为球状的孔的平均直径为3〜 大致圆筒状的孔的平均直径为3〜20μm，平均直径为300μm以下的平均长度，能够防止孔相互连接， 给出大于2mm的长度。
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公开(公告)号：US5448924A
公开(公告)日：1995-09-12
申请号：US35730
申请日：1993-03-23
申请人： Yataro Nagai , Yuji Yamauchi
发明人： Yataro Nagai , Yuji Yamauchi
CPC分类号： G01M13/005 , G01D21/02
摘要： A behavior monitoring system for a rotary body is capable of monitoring displacement of the rotary body in a plurality of directions. The behavior monitoring system comprises an inclined surface formed on the rotary body and extending in oblique to a rotational axis, and a sensor means for detecting displacement of said inclined surface.
摘要翻译： 用于旋转体的行为监视系统能够监视旋转体在多个方向上的位移。 行为监视系统包括形成在旋转体上并且倾斜于旋转轴线延伸的倾斜表面，以及用于检测所述倾斜表面的位移的传感器装置。
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7.发明授权Sealing device for rotary shaft and string-like member for defining spiral therefor 失效用于旋转轴的密封装置和用于限定螺旋的弦状构件
公开(公告)号：US4463957A
公开(公告)日：1984-08-07
申请号：US279252
申请日：1981-07-01
申请人： Yataro Nagai , Yoshiro Imai
发明人： Yataro Nagai , Yoshiro Imai
CPC分类号： F16J15/3404 , F16J15/406
摘要： A sealing device for a rotary shaft is provided with a spiral member having a determined pitch and a determined thickness on a rotating portion and/or a stationary portion corresponding to the rotating portion. The spiral member may be provided via a shaft sleeve, or may be directly attached on a rotating portion and/or a stationary portion corresponding to the rotating portion. The spiral member may be in advance shaped in a spiral form, or may be a string-like flexible member which may be shaped in a spiral form.
摘要翻译： 用于旋转轴的密封装置在对应于旋转部分的旋转部分和/或静止部分上设置有具有确定的间距和确定的厚度的螺旋构件。 螺旋构件可以经由轴套设置，或者可以直接附接在与旋转部对应的旋转部和/或静止部。 螺旋构件可以预先成形为螺旋形，或者可以是可以成螺旋形的线状柔性构件。
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公开(公告)号：US4545588A
公开(公告)日：1985-10-08
申请号：US628241
申请日：1984-07-06
申请人： Yataro Nagai , Kazuya Fukuoka
发明人： Yataro Nagai , Kazuya Fukuoka
CPC分类号： F16J15/346 , F16J15/406
摘要： A mechanical seal for sealing a slurry liquid between a casing and a rotary shaft comprises a fixed seat ring; a rotatable slide ring in the casing and abutting against the seat ring to form a sealing face therebetween; a helical spring in the casing and surrounding the rotary shaft, and biassing the rotatable slide ring toward the seat ring; and a rotatable ring on the rotary shaft and rotatable with the rotary shaft and holding the spring at a predetermined position relative to the rotary shaft, the spring being interposed between the rotatable slide ring and the rotatable ring. A small space is provided between the casing and the rotatable ring and the rotatable ring has a helical projection on the outer surface thereof. The helical projection of the rotatable ring and the helical spring are directed such that upon rotation thereof a force is produced in a direction away from the sealing face and toward the interior of the casing. The spring is preferably a helical screw-thread-like member of rectangular cross-section.
摘要翻译： 用于在壳体和旋转轴之间密封浆液的机械密封件包括固定座圈; 壳体中的可转动的滑动环，并抵靠座环，以在其间形成密封面; 壳体中的螺旋弹簧并且围绕旋转轴，并且将可旋转的滑动环朝向座环偏置; 以及旋转轴上的旋转环，并且可旋转地旋转并将弹簧保持在相对于旋转轴的预定位置处，弹簧介于可旋转滑环和可旋转环之间。 在壳体和可旋转环之间设置有小的空间，并且可旋转环在其外表面上具有螺旋突起。 可旋转环和螺旋弹簧的螺旋突起被引导成在其旋转时沿远离密封面并朝向壳体内部的方向产生力。 弹簧优选为矩形横截面的螺旋状螺纹状构件。
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