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101. 发明专利

JPH05302597A 失效
公开(公告)号：JPH05302597A
公开(公告)日：1993-11-16
申请号：JP12017592
申请日：1992-04-14
申请人： EBARA CORP
发明人： KOBAYASHI MAKOTO , YAMAMOTO MASAKAZU
IPC分类号： F04D13/06 , F04D29/42 , F04D29/62
摘要： PURPOSE:To provide an installation leg for a sheet metal-made pump casing by obviating necessity for increasing a plate thickness of the pump casing more than necessary in order to ensure rigidity thereof and necessity for providing a reinforcement member in order to reinforce the pump casing. CONSTITUTION:An installation leg for a sheet metal-made pump casing is for supporting the almost cylindrical vessel-shaped sheet metal-made pump casing having a suction nozzle 3 in one side and also an opening part in the other side. The installation leg 20 provides a flange part 23 for fixing the pump casing 2 by holding a flange part 4, provided in an end part in a side of the opening part of the pump casing 2, with a counterside part of bearing housing 8 or the like and a leg part 24 extended downward from the flange part 23.

102. 发明专利

JPH05302595A 失效
公开(公告)号：JPH05302595A
公开(公告)日：1993-11-16
申请号：JP12017292
申请日：1992-04-14
申请人： EBARA CORP
发明人： KOBAYASHI MAKOTO , YAMAMOTO MASAKAZU
IPC分类号： F04D29/42
摘要： PURPOSE:To provide a sheet metal-made pump casing of high rigidity having a suction nozzle or a delivery nozzle. CONSTITUTION:In a sheet metal-made pump casing, suction and delivery flanges 7, 6 are integrally formed in a casing main unit 1. Here are provided a suction nozzle 3 connected to the suction flange 7 to also hold it and a delivery nozzle 5 connected to the delivery flange 6 to also hold it. At least one of the suction and delivery nozzles 3, 5 has an external diameter larger than the external diameter by which a pump nominal diameter is determined, and this larger diametric part holds the suction flange 7 or delivery flange 6.

103. 发明专利

JPH05296196A 失效
公开(公告)号：JPH05296196A
公开(公告)日：1993-11-09
申请号：JP12017892
申请日：1992-04-14
申请人： EBARA CORP
发明人： KOBAYASHI MAKOTO , YAMAMOTO MASAKAZU
IPC分类号： F04D13/06 , F04D29/42
摘要： PURPOSE:To provide the casing structure of a sheet metal made in-line pump enabling the common use of a suction side casing and a discharge side casing by forming the suction side casing and discharge side casing into the same shape and dimension. CONSTITUTION:The casing of an in-line pump is provided with a suction side casing 1, a discharge side casing 5 and an outer cylinder 9 for connecting the suction side casing 1 to the discharge side casing 5, and a suction port and a discharge port are disposed on the same line. An inner casing 10 with an impeller 15 accommodated therein is provided in the suction side casing 1, and the suction side casing 1 is formed into the same dimensional shape as the discharge side casing 5.

104. 发明专利

JPH05296179A 失效
公开(公告)号：JPH05296179A
公开(公告)日：1993-11-09
申请号：JP12018192
申请日：1992-04-14
申请人： EBARA CORP
发明人： KOBAYASHI MAKOTO , YAMAMOTO MASAKAZU
IPC分类号： F04D13/06 , F04D15/00
摘要： PURPOSE:To provide an in-line pump allowing a pressure tank to be made small in addition to dispensing with a stopping pressure switch or flow switch. CONSTITUTION:In an in-line pump with a motor 22 provided in a pump casing and with a suction port and a discharge port disposed on the same line, a thermal protector 41 is provided to detect the temperature rise to the specified value or higher of a coil mounted internally to the motor 22, and a detection signal from the thermal protector 41 is used as a pump stopping signal.

105. 发明专利

JPH0475442A STATOR CHAMBER FOR CANNED MOTOR 失效
公开(公告)号：JPH0475442A
公开(公告)日：1992-03-10
申请号：JP18427990
申请日：1990-07-13
申请人： EBARA CORP
发明人： YAMAMOTO MASAKAZU , SAKAGAMI HIROMI , YAMADA SEIICHIRO
IPC分类号： H02K5/128 , H02K5/16 , H02K5/22
摘要： PURPOSE:To reduce the number of parts and to ensure a space for jointing a stator winding and a power cable without elongating the coil chamber by integrating a load side board forming a stator chamber with a bearing bracket supporting a rotor and a shaft. CONSTITUTION:A load side frame side board 4 is integrated with a bearing bracket wherein a power cable fixing part 14 is fixed at an upper corner and a radial bearing 12 and a shaft seal section 13 are fixed at the central part. A can 3 is fitted and welded to the outer circumference of a cylinder 4a disposed on the stator side at the lower end of a bearing boss 4c which is integrated with the load side frame side board 4. Furthermore, a part of an upper coil chamber (b) formed to be fixed to the upper part of the stator chamber extends radially upward to the outer circumference of the bearing boss 4c thus forming a space (d) for accommodating the lead-out port 14a of the power cable 14.

106. 发明专利

JP2005330970A Motor drive type fluid machine, and frequency converter used in the same fluid machine 审中-公开
标题翻译：电机驱动型流体动力机，以及在同一流体动力机中使用的频率转换器
公开(公告)号：JP2005330970A
公开(公告)日：2005-12-02
申请号：JP2005202048
申请日：2005-07-11
申请人： Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
发明人： KOBAYASHI MAKOTO , YAMAMOTO MASAKAZU , MIYAKE YOSHIO , YAGI KAORU , UEI KEITA , MIYAZAKI YOSHIAKI , IIJIMA KATSUJI , CHIYOUJIYA HAJIME , NIHONGI NAOTOSHI , MORIZUKI HIROSHI
IPC分类号： F04D15/00 , F04D13/08
摘要： PROBLEM TO BE SOLVED: To provide a fluid machine, in which effective operation can be performed in accordance with fluid to be sucked without waste, in which further compactness and light weight are achieved, in which various power sources can be applied, in which power consumption is reduced in a case where there is no fluid to be discharged, and in which resistance to overload and constraint is strong to cause less starting failure (less constraint).
SOLUTION: This fluid machine, in which fluid to be handled or fluid to be carried exists at an outer circumferential part of a motor stator, is provided with a motor frame 32 enclosing the outer circumferential part of the motor stator 31, a pump part 10 provided at one end of a motor shaft 16, a first cover 3 provided on the other end side of the motor shaft 16 to support a bearing 34, a frequency converter 36 provided on the counter-bearing side of the first cover 3, and a second cover 37 to contain the frequency converter 36 to the first cover 3.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题的方案为了提供一种流体机械，其中可以根据要被吸入的流体进行有效的操作，其中可以实现可以应用各种电源的更小的重量和更轻的重量，在没有流体排出的情况下，功率消耗降低，并且其中过载和约束的强度强，导致较少的起动故障（较少的约束）。解决方案：在该电动机定子的外周部存在要被搬运的流体或流体的流体机械设置有包围电动机定子31的外周部的电动机框架32，设置在电动机轴16的一端的泵部10，设置在电动机轴16的另一端侧以支撑轴承34的第一盖3，设置在第一盖3的反向支承侧的变频器36 以及第二盖37，以将变频器36包含在第一盖3上。（C）2006年，JPO＆NCIPI

107. 发明专利

JP2004123398A Impregnation process and apparatus 审中-公开
公开(公告)号：JP2004123398A
公开(公告)日：2004-04-22
申请号：JP2002285520
申请日：2002-09-30
申请人： Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
发明人： WATANABE KAZUNORI , YAMAMOTO MASAKAZU , KOTO SACHIHIRO
IPC分类号： B05D1/18 , B05C3/09 , B22D29/00 , C04B41/45 , C23C26/00
摘要： PROBLEM TO BE SOLVED: To provide an impregnation process and apparatus wherein impregnation treatment is effectively performed, even on an object to be treated having a hollow part inside.
SOLUTION: The apparatus is equipped with an impregnation tank 2 which houses the work 20 having the hollow part 20b inside, a vacuum pump 3 connected to the impregnation tank 2, an impregnation liquid tank 5 which pools an impregnation liquid 4 to be introduced into the impregnation tank 2 and a vacuum pump 32 connected to the hollow part 20b of the work 20. The work 20 is impregnated with the impregnation liquid by reducing pressure inside the hollow part 20b of the work 20 and the impregnation tank 2 and introducing the impregnation liquid 4 into the impregnation tank 2.
COPYRIGHT: (C)2004,JPO

108. 发明专利

JP2003227470A PUMP DEVICE 审中-公开
公开(公告)号：JP2003227470A
公开(公告)日：2003-08-15
申请号：JP2002028544
申请日：2002-02-05
申请人： EBARA CORP
发明人： YAMAMOTO MASAKAZU , IIJIMA KATSUJI , MAKINO TSUTOMU , KOMAI MASAKAZU , HAGINO HIDEKI
IPC分类号： F04B49/06
摘要： PROBLEM TO BE SOLVED: To cope with various kinds of liquid different in specific gravity with uniform specifications, while operating a pump by utilizing a current capacity of a motor part to a maximum extent. SOLUTION: In this pump device comprising a pump part 10, the motor part 12 and a frequency converter 14 for supplying the power to the motor part 12, the relationship between an output frequency of the frequency converter 14 and the output voltage is uniquely determined in advance, a rotating speed of the pump is controlled to make a current value of the motor part 12 be constant, and an upper limit value and a lower limit value of the output frequency and determined to limit a control range of the rotating speed of the pump. COPYRIGHT: (C)2003,JPO

109. 发明专利

JP2003090288A DIAGNOSING SYSTEM FOR FLUID MACHINE 审中-公开
公开(公告)号：JP2003090288A
公开(公告)日：2003-03-28
申请号：JP2002204907
申请日：2002-07-12
申请人： EBARA CORP
发明人： YAMAMOTO MASAKAZU , MIYAKE YOSHIO , KAWABATA JUNYA , UEI KEITA , MIYAZAKI YOSHIAKI , IIJIMA KATSUJI , TAMAI HIROSHI
IPC分类号： F04D15/00 , F04B49/06 , F04B51/00
摘要： PROBLEM TO BE SOLVED: To provide an energy saving advance diagnosing system for a fluid machine, capable of simply making a trial calculation of energy saving amount obtained by rotational frequency adjustment utilizing an inverter (a frequency converter). SOLUTION: This diagnosing system for a fluid machine comprises a means for inputting data of a flow rate-pressure (pump head) and a flow rate-electric power consumption of a fluid machine with a motor when driven by an alternating current commercial power source, and planning requirements (a flow rate- pressure) in a facility side; a means for inputting or assuming conduit resistance (actual pump head) when the flow rate is zero; a means for computing a reducing result of the electric power consumption when rotational frequency of the fluid machine is decreased by using a frequency converter; and a processing means for indicating a computed result.

110. 发明专利

JP2003056469A Hydraulic machine unit 有权
标题翻译：液压机组
公开(公告)号：JP2003056469A
公开(公告)日：2003-02-26
申请号：JP2001248145
申请日：2001-08-17
申请人： Ebara Corp , 株式会社荏原製作所
发明人： MATSUMURA MASAO , YAMAMOTO MASAKAZU
IPC分类号： F04C28/08 , F04B49/06 , F04D29/58 , F04C29/10
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic machine unit that can greatly contribute to energy saving and resource saving by facilitating the installation work of a hydraulic machine, and optimizing the characteristic of the hydraulic machine.
SOLUTION: This hydraulic machine unit is integrally provided with a pump 10 driven by a motor 12; a flow control valve 30 for controlling the flow of liquid flowing inside the pump 10; a valve operating mechanism 32 for operating the flow control valve 30; and an inverter 20 for controlling the rotating speed of the motor 12. The characteristic of the pump 10 is freely controlled by the flow control valve 30 and the inverter 20.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种能够通过促进液压机械的安装作业，优化液压机械的特性而大大地有助于节能和节约资源的液压机组。解决方案：该液压机组整体设置有由马达12驱动的泵10; 用于控制在泵10内流动的液体的流量的流量控制阀30; 用于操作流量控制阀30的阀操作机构32; 以及用于控制电动机12的转速的逆变器20.泵10的特性由流量控制阀30和逆变器20自由地控制。

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