Abstract: A method of inserting field windings in the core of an axial flux induction electric machine, the method includes providing a former about which wire is wound to form a plurality of convolutions, aligning the former with a radial face of the core and then moving the convolutions from the former into slots in the radial face to thereby form a field winding.
Abstract: An apparatus and method for inserting field windings in axial flux electric machines. Preferably each field winding is wound in the form of a spiral of wire on an elongate former. The former is then reduced in external dimensions and a press member moves along the former to push the turns into a pair of slots.Apparatus for forming and inserting both insulating sleeve members for the slots and insulating wedges to maintain the windings in position in the slots, is also disclosed.
Abstract: An axial flux induction electric motor and method and apparatus for the production thereof, said motor having a rotor and stator, each formed of a core consisting of metal strip having holes punched therein at longitudinally spaced locations so that holes on the core form radially extending slots on a radial face of the core, and wherein said core has the radially inner coils and the radially outer two coils fixed together by deformations thereby preventing unwinding of the core.
Abstract: The present invention discloses AC electrodynamic machines, such as electric motors, which are able to be operated in either a high speed mode or a low speed mode by not energizing one of the windings of the machine or by energizing the one winding so as to induce a magnetic pole of reverse polarity to that conventionally induced, respectively. Methods of operating AC electrodynamic machines are also disclosed.
Abstract: An electric machine, such as an induction motor, having a rotor and stator core formed of metal strip coiled about a centrally longitudinal axis extending generally normal to the plane of the strip, and wherein the strip is provided with depressions on longitudinally spaced locations along the length of the strip so as to enable coiling of the strip about the longitudinal axis.
Abstract: A punching and winding machine having a punch assembly to punch a plurality of spaced holes in a metal strip at predetermined distances along the strip, and a winding assembly to wind the punched strip into a roll so that the holes in the strip are aligned to form radially extending slots.
Abstract: The present invention discloses an automatic telephone dialling device which is able to read a telephone number encoded on a business card, credit card, or similar flat object, store the number in a memory, and generate telephone dialling pulses in accordance with the stored memory.In the preferred embodiment, a second memory and a keyboard are provided so that a telephone number may be entered into the second memory via the keyboard, either the card entered telephone number or the keyboard entered telephone number being able to be repeatedly dialled on demand.In addition, a telephone call re-directing apparatus including the automatic telephone dialling apparatus, is disclosed in which an incoming call to an unattended telephone may be redirected via a second telephone to a predetermined telephone number.