Title:
AC MOTOR COMPOSED OF STATOR MAGNETIC PATH HAVING PARAMETRIC OSCILLATING CHARACTERISTICS
Document Type and Number:
Japanese Patent JPS55144769
Kind Code:
A
Abstract:
PURPOSE:To obtain a nearly round revolving magnetic field by arranging a first yoke which provides an AC exciting winding and a second yoke which provides a winding connected to a capacitor respectively with a fixed relation at axially both ends of a ring shaped magnetic substance. CONSTITUTION:A first U-shaped magnetic yoke 12 is installed at diametrically both ends of axially one side of a ring-shaped member 11 consists of a magnetic material. And a second U-shaped magnetic yoke 13 is installed at diametrically both ends of the other end side at a different angle from the magnetic yoke 12. A stator 1 is composed by winding a winding for alternate current application 14 around the first yoke 12 and a winding 15 which connects a capacitor 16 to both ends of the winding around the second yoke 13 respectively. With alternate current applied to the winding 14, a parametric oscillation will be produced at the stator 1 with the magnitude of a desired power voltage e1 and a revolving magnetic field is produced at the ring shaped member 11 to rotate a rotor 2 which is provided in the hole of the ring shaped member 11.
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Inventors:
MURAKAMI KOUICHI
Application Number:
JP5285479A
Publication Date:
November 11, 1980
Filing Date:
April 28, 1979
Export Citation:
Assignee:
MURAKAMI KOUICHI
International Classes:
H02K21/00; H02K17/08; H02K21/12; (IPC1-7): H02K21/00; H02K57/00