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    • 1. 发明专利
    • Permanent magnet motor pump
    • 永磁电机泵
    • JP2014131485A
    • 2014-07-10
    • JP2014081901
    • 2014-04-11
    • Assoma Inc協磁股▲ふん▼有限公司
    • CHIEN HUAN-JANWANG CHING-CHANGSHIH CHIH-HSLEN
    • H02K5/128
    • F04D13/0633F04B49/065F04B2207/70F04C2270/78F04D7/06F04D13/0626F04D15/0088F04D15/0094F04D29/0465F04D29/22F04D29/4286F05B2240/14F05B2240/52F05B2280/4003G01R33/07G01R33/077H02K5/1677H02K11/215
    • PROBLEM TO BE SOLVED: To provide a permanent magnet type canned motor pump capable of providing a monitor device in a pump for the purpose of improving the structural strength of a stationary shaft.SOLUTION: A structural improvement of a canned pump is to improve the stiffness of a stationary shaft, and to dispose a monitor device according to requirements. The monitor device has a plurality of secondary magnets and a monitor set. The number of secondary magnets of the monitor device is the same as that of a main magnet. The secondary magnet is assembled to an inner one end of a rotor yoke of an inner rotor in the vicinity of the bottom side of a storage shell. A magnetic pole direction of the secondary magnet is different from that of the main magnet. In addition, the secondary magnet is encapsulated together with the main magnet for the purpose of preventing corrosion by corrosive fluid. An axial direction length of the secondary magnet is at least larger than twice an axial direction motion distance (including axial direction abrasion of a bearing) of the inner rotor. A magnetic flux line forms a secondary magnetic loop coexisting with a main magnetic loop to the rotor yoke.
    • 要解决的问题:提供一种能够在泵中提供监测装置以便提高固定轴的结构强度的永磁式密封电动机泵。解决方案:罐装泵的结构改进是提高刚度 的固定轴,并根据要求配置监控装置。 监视器装置具有多个次级磁体和监视器组。 监视器装置的二次磁铁的数量与主磁铁相同。 二次磁体组装在内转子的转子磁轭的内侧一侧,在存储壳的底侧附近。 次级磁体的磁极方向与主磁体的磁极方向不同。 此外,为了防止腐蚀性液体的腐蚀,二次磁体与主磁体一起被密封。 次级磁体的轴向长度至少大于内转子的轴向运动距离(包括轴承的轴向磨损)的两倍。 磁通线形成与主磁回路共存于转子轭的二次磁回路。
    • 2. 发明专利
    • Permanent magnet motor pump
    • 永磁电机泵
    • JP2013092145A
    • 2013-05-16
    • JP2012232764
    • 2012-10-22
    • Assoma Inc協磁股▲ふん▼有限公司
    • CHIEN HUAN-JANWANG CHING-CHANGSHIH CHIH-HSIEN
    • F04D13/06F04D29/046H02K5/128H02K7/14
    • F04D13/0633F04B49/065F04B2207/70F04C2270/78F04D7/06F04D13/0626F04D15/0088F04D15/0094F04D29/0465F04D29/22F04D29/4286F05B2240/14F05B2240/52F05B2280/4003G01R33/07G01R33/077H02K5/1677H02K11/215
    • PROBLEM TO BE SOLVED: To provide a permanent magnet type canned motor pump which is formed of plastic or provided with a plastic liner while a monitor device is provided in the pump in order to improve the structural strength of a fixed shaft.SOLUTION: The structural improvement of a canned pump increases the rigidity of a fixed shaft, and arranges a monitor device according to requirements. The method for increasing the rigidity of the fixed shaft includes a step of the insertion of a metal support of a shaft rear part of a metal structure of a motor rear casing of the canned motor in a rotor yoke of an inner rotor of the canned motor in the axial direction, and a step of the tight attachment of the metal support of the shaft rear part to a rear shaft seat. Thus, the rigidity of the fixed shaft can be increased by a longer holding length, and the arm length of is reduced. The monitor device used for detecting any abrasion of a bearing is provided in an annular slot to be protected by the rear shaft seat, and reliability is enhanced thereby, and the driving requirements are satisfied thereby.
    • 要解决的问题:为了提供一种永久磁铁式密封电动泵,其由塑料制成或设置有塑料衬套,同时在泵中设置监控装置以提高固定轴的结构强度。 解决方案:罐式泵的结构改进提高了固定轴的刚度,并根据要求安排了监控装置。 提高固定轴的刚性的方法包括将密封电动机的电动机后壳的金属结构的轴后部的金属支撑件插入到固定电动机的内转子的转子轭中的步骤 在轴向方向上,以及将后轴部的金属支撑件紧密地连接到后轴座的步骤。 因此,固定轴的刚性可以增加更长的保持长度,并且臂长度减小。 用于检测轴承磨损的监视装置设置在待被后轴座保护的环形槽中,从而可靠性得到提高,从而满足驾驶要求。 版权所有(C)2013,JPO&INPIT