Insulated Fastener Patents (Class 310/216.128)
  • Patent number: 8754566
    Abstract: A laminated stator and a method for making a laminated stator of an electric motor. The method includes arranging a plurality of stator laminations into lamination stacks spaced axially from one another, each lamination stack including a first group of stator laminations including an annular portion and a plurality of tooth portions extending from a periphery of the annular portion, and a second group of stator laminations including only tooth portions positioned to correspond with the tooth portions of said first group. The method further includes winding stator windings around selected subsets of the plurality of teeth while the lamination stacks are spaced axially and meshing the lamination stacks with one another so the annular portions of the lamination stacks are axially adjacent one another and the plurality of teeth are intermeshed with the plurality of another stack.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: June 17, 2014
    Assignee: Nidec Motor Corporation
    Inventors: Ruimei Wang, Xianfa Li, Liang Sun, Sifa Gao
  • Patent number: 8097997
    Abstract: A transaxle includes a case having an opening, a second rotating electric machine stored in the opening of the case and having a stator, a rear planetary gear stored in the transaxle case and connected to the second rotating electric machine, a transaxle rear cover sealing the opening and a bolt fixing the second rotating electric machine to the transaxle case. The stator has first and second thrust end faces defining an axial length thereof. The first thrust end face is pressed against an inner surface of the case.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: January 17, 2012
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yota Mizuno, Yuji Shimada, Hiroshi Hata, Akito Okawa, Kinji Tange, Kinya Yoshii, Masatoshi Adachi
  • Patent number: 7737597
    Abstract: The invention relates to a module (6) for primary parts (12) of synchronous motors (7, 8, 13) which are excited by permanent magnets, which comprise at least one secondary part (9) which is at least sectionally devoid of permanent magnets. Said secondary part (9) is made of an iron structure comprising teeth (11) which leads to the primary part (12). Said module (6) comprises at least one permanent magnet (1, 14) and at least one iron rod (2) which is arranged on the opposite sides. Recesses (3) are arranged between the iron rod (2) on one side and at least one winding (5) is guided about the iron rod (2). An additional module (6) can be secured at least to one side of the module (6) such that the iron rod (2) engages in the recesses (3) of the adjacent module (6) and the modules (6) can be placed together in relation to various predetermined primary parts (12).
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: June 15, 2010
    Assignee: Siemens Aktiengesellschaft
    Inventors: Zeljko Jajtic, Gerhard Matscheko, Stefan Schiele, Wolfgang Wolter