A rotary machine coil includes: a coil conductor; and an insulation layer including a mica tape which is wrapped around an outer periphery of the coil conductor and in which a mica layer and a film layer are laminated in this order from the coil conductor side, and a cured material of a thermosetting resin composition with which the mica layer is impregnated. The permittivity in an insulation layer (first mica layer) on the inner-layer side is higher than the permittivity in an insulation layer (second mica layer) on the outer-layer side, thus reducing the electric field intensity applied in the insulation layer.

A rotary machine coil includes: a coil conductor; and an insulation layer including a mica tape which is wrapped around an outer periphery of the coil conductor and in which a mica layer and a film layer are laminated in this order from the coil conductor side, and a cured material of a thermosetting resin composition with which the mica layer is impregnated. The permittivity in an insulation layer (first mica layer) on the inner-layer side is higher than the permittivity in an insulation layer (second mica layer) on the outer-layer side, thus reducing the electric field intensity applied in the insulation layer.

In a method for impregnating a winding system arranged in substantially axial slots of an electromagnetically conductive element of a stator of a dynamoelectric machine, the winding system is impregnated by impregnation resin using a dipping or trickling process. Vibrations are induced into the stator and/or the impregnation resin over a specifiable period of time with an adjustable amplitude and/or frequency, and the stator remains at rest in a dipping tank for a specifiable time after the vibrations have been induced.

In a method for impregnating a winding system arranged in substantially axial slots of an electromagnetically conductive element of a stator of a dynamoelectric machine, the winding system is impregnated by impregnation resin using a dipping or trickling process. Vibrations are induced into the stator and/or the impregnation resin over a specifiable period of time with an adjustable amplitude and/or frequency, and the stator remains at rest in a dipping tank for a specifiable time after the vibrations have been induced.

A manufacturing method and a manufacturing device for manufacturing a winding field rotor in which it is possible to coat the entirety of coil surfaces with varnish, without requiring a complicated operation or action. The manufacturing method for a wound-field rotor involves supplying a varnish material through a gap between the rotor shaft and the flange part on one axial-end side to immerse the coil end part on the one axial-end side at a lower side of the rotor assembly in the varnish material, while rotating the rotor assembly whose axial direction is aligned horizontally.

A manufacturing method and a manufacturing device for manufacturing a winding field rotor in which it is possible to coat the entirety of coil surfaces with varnish, without requiring a complicated operation or action. The manufacturing method for a wound-field rotor involves supplying a varnish material through a gap between the rotor shaft and the flange part on one axial-end side to immerse the coil end part on the one axial-end side at a lower side of the rotor assembly in the varnish material, while rotating the rotor assembly whose axial direction is aligned horizontally.

The present invention relates to a motor frame applied to an optical instrument actuator in which a coil is disposed in the magnetic field of a magnet. The motor frame applied to the optical instrument actuator of the present invention includes a frame body injection-molded by inserting a conductive circuit member forming a circuit pattern electrically connected to an electronic component including the coil.

The present invention relates to a motor frame applied to an optical instrument actuator in which a coil is disposed in the magnetic field of a magnet. The motor frame applied to the optical instrument actuator of the present invention includes a frame body injection-molded by inserting a conductive circuit member forming a circuit pattern electrically connected to an electronic component including the coil.

The present invention relates to a motor frame applied to an optical instrument actuator in which a coil is disposed in the magnetic field of a magnet. The motor frame applied to the optical instrument actuator of the present invention includes a frame body injection-molded by inserting a conductive circuit member forming a circuit pattern electrically connected to an electronic component including the coil.

The present invention relates to a motor frame applied to an optical instrument actuator in which a coil is disposed in the magnetic field of a magnet. The motor frame applied to the optical instrument actuator of the present invention includes a frame body injection-molded by inserting a conductive circuit member forming a circuit pattern electrically connected to an electronic component including the coil.