Regenerative motor and coil

Abstract

This invention presents a highly efficient electric motor which can he embodied in several configurations, including a standard motor, a hub motor, a linear motor, or other motor configuration. As a regenerative device, the motor may also act as a part-time or full-time electrical generator. There is provided a motor composed of a stator and a rotor. The stator has an array of coils arranged therein. The rotor has an array of magnets arranged therein. Each of the coils includes a first winding of wire wrapped around a core, and the wire has a non-circular cross-section. The wire can be a flattened wire.

1 . A motor comprising:
 a stator having an array of coils arranged in said stator; and   a rotor having an array of magnets arranged in said rotor;   wherein each of said,coils comprises a first winding of wire wrapped around a core, and wherein said wire has a non-circular cross-section.   
     
     
         2 . The motor of  claim 1 , wherein said wire comprises a flattened wire. 
     
     
         3 . The motor of  claim 1 , wherein each of said coils further comprises a second winding of wire wrapped around said core. 
     
     
         4 . The motor of  claim 3 , wherein said first and second windings arc made up of a singe wire, and wherein said first and second windings are oriented opposed to each other. 
     
     
         5 . The motor of  claim 1 , further comprising a plurality of coil modules, wherein each of said coils is arranged in each of said coil modules. 
     
     
         6 . The motor of  claim 1 , wherein said core comprises a substantially ironless core. 
     
     
         7 . The motor of  claim 1 , wherein said core comprises an air core. 
     
     
         8 . The motor of  claim 1 , wherein said core has a shape generally matching a cross-sectional shape of said magnet. 
     
     
         9 . The motor of  claim 1 , wherein said core is non-circular. 
     
     
         10 . The motor of  claim 1 , wherein said core comprises a gauge wire. 
     
     
         11 . The motor of  claim 1 , wherein said core comprises thin steel with a slit. 
     
     
         12 . The motor of  claim 1 , wherein said first winding is formed in a first printed circuit board in a spiral form. 
     
     
         13 . The motor of  claim 12 , wherein said coil further comprises a second winding of wire, and wherein said second winding is formed in a second printed circuit hoard in a spiral form. 
     
     
         14 . The motor of  claim 1 , wherein said motor comprises a hub motor. 
     
     
         15 . The motor of  claim 1 , wherein said motor comprises a linear motor. 
     
     
         16 . The motor of  claim 1 , wherein said motor comprises a regenerative motor and wherein each of said coils is regulated separately. 
     
     
         17 . The motor of  claim 1 , further comprising:
 an epicycle gear set comprising a sun gear, a planet gear, a planet gear carrier, and a ring gear;   wherein said sun gear receives a rotational force from a first input;   wherein said planet gear encircles said sun gear and meshes with said sun gear and said ring gear;   wherein said planet gear carrier is connected to said planet gear such that said planet gear transfer a rotational energy to said planet gear carrier; and   wherein said ring gear comprises said rotor.   
     
     
         18 . A motor comprising:
 a stator having an array of coils arranged in said stator; and   a rotor having an array of magnets arranged in said rotor;   wherein each of said coils comprises a winding of wire wrapped around a core, wherein each of said magnet has a first pole face, a second pole face and a middle portion between said first pole face and said second pole face, and wherein said first pole face is narrower than said middle portion.   
     
     
         19 . The motor of  claim 18 , wherein said second pole face is narrower than said middle portion. 
     
     
         20 . The motor of  claim 18 , wherein said magnet has a first step formed adjacent to said first pole face. 
     
     
         21 . The motor of  claim 20 , wherein said magnet further has a second step formed adjacent to said second pole face. 
     
     
         22 . The motor of  claim 21 , wherein said first and second steps comprise pie-shaped steps. 
     
     
         23 . The motor of  claim 18 , wherein said magnet has an angled edge formed adjacent to said first pole face. 
     
     
         24 . The motor of  claim 18 , wherein said array of magnets are arranged circumferentially around an axis of said rotor, wherein said magnet has an inner end disposed close to said axis of said motor and an outer end disposed remote from said axis of said motor, and wherein said inner end of said magnet is narrower than said outer end of said magnet. 
     
     
         25 . The motor of  claim 18 , wherein said array of magnets are arranged circumferentially around an axis of said rotor, wherein said first pole face of said magnet has an inner end disposed close to said axis of said motor and an outer end disposed remote from said axis of said motor, and Wherein said inner end of said first pole face of said magnet is narrower than said outer end of said first pole face of said magnet. 
     
     
         26 . The motor of  claim 18 , wherein each of said magnets comprises two or more magnet pieces stacked one on top of the other. 
     
     
         27 . The motor of  claim 18 , wherein said core has a shape generally matching a shape of said first pole face of said magnet. 
     
     
         28 . A motor comprising:
 a stator having an array of coils arranged in said stator; and   a rotor having an array of magnets arranged in said rotor;   wherein each of said coils comprises a winding of wire wrapped around a core, wherein said core has a first pole face, a second pole face and a middle portion between said first and second pole faces, and wherein said middle portion has a reduced width than said first and second pole faces.   
     
     
         29 . A motor comprising:
 a stator having an array of coils arranged in said stator; and   a first rotor having an array of magnets arranged in said first rotor;   wherein each of said coils comprises a winding of wire wrapped around a core, wherein each of said magnets has a width, a length, and a height, wherein said core has a width, a length, and a height, and wherein each of said magnets is distanced from adjacent magnets by a magnet distance;   wherein said magnet distance is no less than said width of said magnet.   
     
     
         30 . The motor of  claim 29 , wherein said magnet distance is no more than said length of said magnet. 
     
     
         31 . The motor of  claim 29 , further comprising a second rotor having an array of magnets arranged in said second rotor, wherein said magnet of said first rotor is distanced from an adjacent one of said magnets of said second rotor by a magnet gap, and wherein said magnet distance is no less than said magnet gap. 
     
     
         32 . The motor of  claim 29 , wherein said width of said core is no less than said width of said magnet. 
     
     
         33 . The motor of  claim 29 , wherein said height of said magnet is no less than said height of said core. 
     
     
         34 . A coil module for a motor, comprising:
 a core; and   a first winding of a wire wrapped around the core;   wherein said wire has a non-circular cross-section.   
     
     
         35 . The coil module of  claim 33 , wherein said wire comprises a conductor path printed on a printed circuit board in a spiral form. 
     
     
         36 . The coil module of  claim 33 , wherein said wire comprises a flattened wire.