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    Solenoid having improved backstop
    2.
    发明授权
    Solenoid having improved backstop 失效
    具有改进后视镜的电磁阀

    公开(公告)号：US3621421A

    公开(公告)日：1971-11-16

    申请号：US3621421D

    申请日：1969-12-09

    Applicant: DETROIT COIL CO

    Inventor： CONRATH LOUIS R

    IPC: H01F7/08 ,  H01F7/12

    CPC classification number: H01F7/088

    Abstract: An industrial type AC solenoid comprising a stator having its laminations and sideplates riveted together as an integral assembly, and provided with a backstop member which absorbs the impact of the return stroke of the plunger, and which is readily connected in interlocking engagement with the sideplates of the stator, after the coil and plunger are inserted, by sliding the backstop between the sideplates.

    Encapsulated alternating current solenoid
    5.
    发明授权
    Encapsulated alternating current solenoid 失效
    封装替代电流电磁阀

    公开(公告)号：US3605054A

    公开(公告)日：1971-09-14

    申请号：US3605054D

    申请日：1970-04-07

    Applicant: DETROIT COIL CO

    Inventor： CONRATH LOUIS R

    IPC: H01F7/08 ,  H01F7/16 ,  H01F7/10

    CPC classification number: H01F7/088 ,  H01F7/1623

    Abstract: This disclosure relates to alternating current solenoids of the commercial industrial type, including a C-stack, a solenoid coil disposed within the C-stack and a plunger having a shank portion received within the coil passage, and wherein the conventional sideplates, baseplate, cover, backstop, assembly bolts or rivets and even the flanged coil bobbin may be eliminated. The C-stack and coil are encapsulated in a thermosetting resin block extending from the bight portion to the pole faces of the C-stack and between the C-stack and the coil, and the pole faces of the C-stack are exposed to allow abutment by the plunger. A cap encloses the operating spaced for the plunger head at the pole faces of the C-stack and is secured to the thermosetting resin block providing a completely enclosed solenoid unit. Vacuum encapsulation may be facilitated by utilizing an encapsulating cup which forms an integral part of the final product. The coil assembly is shown as having means for retaining, during the encapsulated process, electric terminals which are exposed in the final product for connecting the coil to a source of current.

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