초록 ▼

Objects of this invention are to reduce costs, improve ease of operation, improve the water-resistance within the terminal case, and improve reliability. To these ends, in this invention the motor stator of an electric motor is mounted in a motor case which is mounted on the cylinder block of an eng

Objects of this invention are to reduce costs, improve ease of operation, improve the water-resistance within the terminal case, and improve reliability. To these ends, in this invention the motor stator of an electric motor is mounted in a motor case which is mounted on the cylinder block of an engine; the motor rotor of the electric motor is mounted on a rotor mounting member which is mounted on the engine crankshaft; on the outer periphery of the case periphery wall of the motor case is formed a terminal box, with vertical walls standing integrally, and having an aperture portion directed in the outward radial direction; in the case periphery wall, enclosed by the vertical walls, is formed a motor-side through hole, directed in the outward radial direction; on the motor-side coil wire is mounted a motor-side connection terminal; this motor-side connection terminal is embedded and retained in the motor-side through hole by molding, and by means of this molding the motor-side through hole is sealed.

대표청구항 ▼

Objects of this invention are to reduce costs, improve ease of operation, improve the water-resistance within the terminal case, and improve reliability. To these ends, in this invention the motor stator of an electric motor is mounted in a motor case which is mounted on the cylinder block of an eng

Objects of this invention are to reduce costs, improve ease of operation, improve the water-resistance within the terminal case, and improve reliability. To these ends, in this invention the motor stator of an electric motor is mounted in a motor case which is mounted on the cylinder block of an engine; the motor rotor of the electric motor is mounted on a rotor mounting member which is mounted on the engine crankshaft; on the outer periphery of the case periphery wall of the motor case is formed a terminal box, with vertical walls standing integrally, and having an aperture portion directed in the outward radial direction; in the case periphery wall, enclosed by the vertical walls, is formed a motor-side through hole, directed in the outward radial direction; on the motor-side coil wire is mounted a motor-side connection terminal; this motor-side connection terminal is embedded and retained in the motor-side through hole by molding, and by means of this molding the motor-side through hole is sealed. to a ball joint at a center of the stator. 13. The motor of claim 1, wherein the cross linkage is coupled to a universal joint at a center of the stator. 14. The motor of claim 1, wherein the cross linkage is coupled to a gimbal at a center of the stator. 15. A motor having an output shaft movable in multiple degrees of freedom, said motor comprising: a stator, said stator having an interior surface and first, second, and third stator coils wound in close proximity to said interior surface, said stator coils oriented substantially at an angle to each other, the stator comprising a first plurality, a second plurality, and a third plurality of laminations arranged in an arc about a center point, the first, second, and third plurality of coils arranged to pull the rotor in a plurality of rotations; and a rotor fixed to said output shaft, said rotor comprising a cross linkage having a first arm extending radially from the output shaft and a second arm extending radially from the output shaft, the first arm fixed to and orthogonal to the second arm, the rotor further comprising a first permanent magnet disposed at a distal end of the first arm and a second permanent magnet disposed at a distal end of the second arm, the first and the second magnets movably supported adjacent along said interior surface of said stator in directions defining at least first, second, and third degrees of freedom. 16. A motor having an output shaft movable in multiple degrees of freedom, said motor comprising: a rotor coupled to the output shaft; and a stator comprising a first lamination stack and a second lamination stack, each lamination stack having an interior surface, the first lamination stack further comprising a first stator coil wound in close proximity to the interior surface of the first lamination stack and the second lamination stack comprising a second stator coil wound in close proximity to the interior surface of the second lamination stack, the first lamination stack and second lamination stack disposed about the longitudinal axis of the output shaft, the first lamination stack oriented such that a first plane formed by a first lamination in the first lamination stack forms an angle with the longitudinal axis of the output shaft and the second lamination stack oriented such that a second plane formed by a second lamination in the second lamination stack is substantially parallel with the longitudinal axis of the output shaft. 17. The motor of claim 16, whereupon energization of said first stator coil a first magnetic field is established to urge said output shaft to rotate about the longitudinal axis of the output shaft and upon energization of said second stator coil a second magnetic field is established to urge said output shaft to rotate in the second plane. 18. The motor of claim 16, wherein the angle is substantially 90°. 19. The motor of claim 16, wherein the angle is between 5° and 85°. 20. The motor of claim 16, wherein the first lamination stack is diametrically opposed the second lamination stack. 21. The motor of claim 16, wherein the first lamination stack is oriented 90° about the longitudinal axis of the output shaft from the second lamination stack. 22. The motor of claim 16, wherein the rotor comprises a cross linkage having a first arm extending radially from the output shaft and a second arm extending radially from the output shaft, the first arm fixed to and orthogonal to the second arm, the rotor further comprising a first permanent magnet disposed at a distal end of the first arm and a second permanent magnet disposed at a distal end of the second arm, the first and the second magnets movably supported adjacent along the interior surfaces of the first and second lamination stack respectively. 23. The motor of claim 16, wherein the first lamination stack comprises a plurality of parallel laminations. 24. The motor of claim 23, wherein the first lamination comprises parallel slots. 25. The motor of c laim 16, wherein the first lamination stack comprises a plurality of radial disposed laminations. 26. The motor of claim 25, wherein the first lamination comprises radial slots. 27. The motor of claim 25, wherein the first lamination comprises parallel slots. 28. The motor of claim 16, further comprising a third lamination stack and a fourth lamination stack, a plane formed by a lamination in the third lamination stack substantially parallel with the longitudinal axis of the output shaft. 29. The motor of claim 23, wherein the first lamination comprises radial slots. 30. A motor having an output shaft movable in multiple degrees of freedom, said motor comprising: a rotor coupled to the output shaft; and a stator comprising a first lamination stack and a second lamination stack, each lamination stack having an interior surface, the first lamination stack further comprising a first stator coil wound in close proximity to the interior surface of the first lamination stack and the second lamination stack comprising a second stator coil wound in close proximity to the interior surface of the second lamination stack, the first lamination stack and second lamination stack disposed about the longitudinal axis of the output shaft, the first lamination stack oriented such that a first plane formed by a first lamination in the first lamination stack forms a first angle with the longitudinal axis of the output shaft and the second lamination stack oriented such that a second plane formed by a second lamination in the second ST lamination stack forms a second angle with the longitudinal axis of the output shaft. 31. The motor of claim 30, whereupon energization of said first stator coil a first magnetic field is established to urge said output shaft to rotate in the first plane and upon energization of said second stator coil a second magnetic field is established to urge said output shaft to rotate in the second plane. 32. The motor of claim 30, wherein the first angle is between 5° and 85° and the second angle is between 5° and 85°. 33. The motor of claim 30, further comprising a third lamination stack and a fourth lamination stack, a plane formed by a lamination in the third laminations stack substantially parallel with the longitudinal axis of the output shaft. 34. The motor of claim 30, wherein the first lamination stack is diametrically opposed the second lamination stack. 35. The motor of claim 30, wherein the first lamination stack is oriented 90° about the longitudinal axis of the output shaft from the second lamination stack. 36. The motor of claim 30, wherein the rotor comprises a cross linkage having a first arm extending radially from the output shaft and a second arm extending radially from the output shaft, the first arm fixed to and orthogonal to the second arm, the rotor further comprising a first permanent magnet disposed at a distal end of the first arm and a second permanent magnet disposed at a distal end of the second arm, the first and the second magnets movably supported adjacent along the interior surfaces of the first and second lamination stack respectively. 37. The motor of claim 30, wherein the first lamination stack comprises a plurality of parallel laminations. 38. The motor of claim 37, wherein the first lamination comprises radial slots. 39. The motor of claim 23, wherein the first lamination comprises parallel slots. 40. The motor of claim 30, wherein the first lamination stack comprises a plurality of radial disposed laminations. 41. The motor of claim 40, wherein the first lamination comprises radial slots. 42. The motor of claim 40, wherein the first lamination comprises parallel slots. 43. A motor having an output shaft movable in multiple degrees of freedom, the motor comprising: a stator, the stator having an interior curved surface and first and second stator coils wound in close proximity to said interior surface, said stator coils positioned substantially orthogonally to each other; and a rotor fixed to said output shaft and movably supported adjacent said stator with an air gap disposed between said rotor and said stator, said rotor including at least one magnet disposed thereon and being movable along said interior surface in directions defining at least first and second degrees of freedom; whereupon energization of said first stator coil a first magnetic field is established to urge said output shaft to rotate in a first plane and upon energization of said second stator coil a second magnetic field is established to urge said output shaft to rotate in a second plane substantially orthogonal to the first, and wherein said rotor includes a plurality of said magnets disposed thereon, and wherein each of said plurality of magnets forms a different side of a parallelogram with first and second ones of said magnets defining a first pair of parallel sides of said parallelogram which are substantially parallel to said first stator coil, and third and fourth ones of said magnets defining a second pair of parallel sides of said parallelogram which are substantially parallel to said second stator coil. 44. The motor of claim 43, wherein said first degree of freedom is substantially perpendicular to a longitudinal axis of wires of one of said first and second coils associated with the first degree of freedom and said second degree of freedom is substantially perpendicular to a longitudinal axis of wires of the other of said first and second coils. 45. The motor of claim 43, wherein said curved interior surface is defined by a stator back iron comprising a ferromagnetic material. 46. The motor of claim 43, wherein said interior curved surface defines at least a portion of a sphere. 47. The motor of claim 43, wherein said curved interior surface is uniformly curved. 48. The motor of claim 43, wherein said at least one magnet is a permanent magnet. 49. The motor of claim 43, wherein said parallelogram is a square. 50. The motor of claim 43, wherein said first and third ones of said magnets are configured with north poles disposed adjacent said stator coils and said second and fourth ones of said magnets are configured with south poles disposed adjacent said stator coils. 51. The motor of claim 43, wherein the output shaft is an input shaft. 52. The motor of claim 51, further comprising a sensor for detecting movement of said input shaft. 53. A motor having an output shaft movable in multiple degrees of freedom, the motor comprising: a stator, the stator having an interior curved surface and first and second stator coils wound in close proximity to said interior surface, said stator coils positioned substantially orthogonally to each other; and a rotor fixed to said output shaft and movably supported adjacent said stator with an air gap disposed between said rotor and said stator, said rotor including at least one magnet disposed thereon and being movable along said interior surface in directions defining at least first and second degrees of freedom; whereupon energization of said first stator coil a first magnetic field is established to urge said output shaft to rotate in a first plane and upon energization of said second stator coil a second magnetic field is established to urge said output shaft to rotate in a second plane substantially orthogonal to the first, and wherein said rotor is supported adjacent said stator by a gimbal mechanism connected to said output shaft and supported on said stator. 54. The motor of claim 53, wherein said first degree of freedom is substantially perpendicular to a longitudinal axis of wires of one of said first and second coils associated with the first degree of freedom and said second degree of freedom is substantially perpendicular to a longitudinal axis of wires of the other of said first and second coils. 55. The motor of claim 53, wherein said curved interior surface is defined by a stator back iron comprising a ferromagnetic material. 56. The motor of claim 53, wh