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公开(公告)号:US06902380B2
公开(公告)日:2005-06-07
申请号:US10159287
申请日:2002-06-03
IPC分类号: F04B39/00 , F04B35/00 , F04B37/16 , F04C18/16 , F04C18/18 , F04C23/02 , F04C25/02 , F04C29/00 , H02K1/14 , H02K1/16 , H02K1/22 , H02K1/27 , H02K7/14 , H02K15/03 , H02K21/16 , H02K1/00 , F04B17/03
CPC分类号: H02K1/276
摘要: A vacuum pump has a casing having an inlet port and an outlet port, and a pair of confronting pump rotors which are provided inside the casing and synchronously rotatable for drawing in a gas from the inlet port and discharging the gas from the outlet port. A motor for rotating the confronting pump rotors is a permanent magnet motor having a stator and a motor rotor. The motor rotor has an iron core and permanent magnets disposed within the iron core.
摘要翻译: 真空泵具有具有入口和出口的壳体,以及一对面对的泵转子,其设置在壳体的内部并同步地可旋转,以从入口抽出气体并从出口排出气体。 用于旋转相对的泵转子的电动机是具有定子和电动机转子的永磁电动机。 电动机转子具有设置在铁芯内的铁芯和永磁体。
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公开(公告)号:US20090047142A1
公开(公告)日:2009-02-19
申请号:US12158819
申请日:2007-01-29
申请人: Takashi Hozumi , Nobuhito Miyashita , Takanori Inada , Kozo Matake , Yoshinori Ojima , Susumu Miyake , Katsuaki Usui
发明人: Takashi Hozumi , Nobuhito Miyashita , Takanori Inada , Kozo Matake , Yoshinori Ojima , Susumu Miyake , Katsuaki Usui
CPC分类号: F04C28/24 , F04C18/16 , F04C23/00 , F04C23/001 , F04C25/02 , F04C29/0085 , H02K7/11 , H02K16/00
摘要: The present invention relates to a dry vacuum pump unit capable of achieving ultimate pressure of about 1 Pa. The vacuum pump unit includes a main pump (15) disposed at an outside-pressure side, and a booster pump (16) disposed at a vacuum side. The booster pump (16) and the main pump (15) are coupled in series. The booster pump (16) has a higher pumping speed than that of the main pump (15). Each of the main pump (15) and the booster pump (16) includes a pair of pump rotors (52a and 52b), a casing (50) having an inlet port and an outlet port, and a pair of magnet rotors (54 and 54) rotatable with the pair of pump rotors.
摘要翻译: 本发明涉及能够实现约1Pa的极限压力的干式真空泵单元,真空泵单元包括设置在外压侧的主泵(15)和设置在真空下的增压泵(16) 侧。 增压泵(16)和主泵(15)串联联接。 增压泵(16)的泵送速度高于主泵(15)的泵送速度。 主泵(15)和增压泵(16)中的每一个包括一对泵转子(52a和52b),具有入口和出口的壳体(50)和一对磁体转子(54和 54)可与一对泵转子一起旋转。
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公开(公告)号:US08251678B2
公开(公告)日:2012-08-28
申请号:US12158819
申请日:2007-01-29
申请人: Takashi Hozumi , Nobuhito Miyashita , Takanori Inada , Kozo Matake , Yoshinori Ojima , Susumu Miyake , Katsuaki Usui
发明人: Takashi Hozumi , Nobuhito Miyashita , Takanori Inada , Kozo Matake , Yoshinori Ojima , Susumu Miyake , Katsuaki Usui
IPC分类号: F04B17/00
CPC分类号: F04C28/24 , F04C18/16 , F04C23/00 , F04C23/001 , F04C25/02 , F04C29/0085 , H02K7/11 , H02K16/00
摘要: The present invention relates to a dry vacuum pump unit capable of achieving ultimate pressure of about 1 Pa. The vacuum pump unit includes a main pump (15) disposed at an outside-pressure side, and a booster pump (16) disposed at a vacuum side. The booster pump (16) and the main pump (15) are coupled in series. The booster pump (16) has a higher pumping speed than that of the main pump (15). Each of the main pump (15) and the booster pump (16) includes a pair of pump rotors (52a and 52b), a casing (50) having an inlet port and an outlet port, and a pair of magnet rotors (54 and 54) rotatable with the pair of pump rotors.
摘要翻译: 本发明涉及能够实现约1Pa的极限压力的干式真空泵单元,真空泵单元包括设置在外压侧的主泵(15)和设置在真空下的增压泵(16) 侧。 增压泵(16)和主泵(15)串联联接。 增压泵(16)的泵送速度高于主泵(15)的泵送速度。 主泵(15)和增压泵(16)中的每一个包括一对泵转子(52a和52b),具有入口和出口的壳体(50)和一对磁体转子(54和 54)可与一对泵转子一起旋转。
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