Reduced Noise and Vibration Switched Reluctance Machine

A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising:

• a. at least one rotor arranged to rotate about a central axis, the at least one rotor comprising a set of rotor poles arranged about the central axis;
• b. at least one stator positioned concentric to and radially outward from both the central axis and the at least one rotor, the at least one stator comprising:
• i. a set of stator poles in magnetic communication with the set of rotor poles and each having a winding;
• ii. wherein at least two of said stator poles form a phase of the switched reluctance machine, and, when the phase is energized, at least one of the rotor poles aligns with a stator pole;
• and
• iii. a stator outer surface radially outward from said set of stator poles and having a stator outer surface;
• c. a housing comprising a sleeve positioned only radially outward from the stator outer surface;
• and
• d. only a plurality of connecting bridges supporting said at least one stator within said sleeve.

A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising:

• a. at least one rotor arranged to rotate about a central axis, the at least one rotor comprising a set of rotor poles arranged about the central axis;
• b. at least one stator positioned concentric to and radially outward from both the central axis and the at least one rotor, the at least one stator comprising:
• i. a set of stator poles in magnetic communication with the set of rotor poles and each having a winding;
• ii. wherein at least two of said stator poles form a phase of the switched reluctance machine, and, when the phase is energized, at least one of the rotor poles aligns with a stator pole;
• and
• iii. a stator outer surface radially outward from said set of stator poles and having a stator outer surface;
• c. a housing having a sleeve positioned only radially outward from the stator outer surface;
• and
• d. wherein the stator is mechanically connected to the sleeve only via an intermediate structure.

A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising:

• a. at least one rotor arranged to rotate about a central axis, the at least one rotor comprising a set of rotor poles arranged about the central axis;
• b. at least one stator positioned concentric to and radially outward from both the central axis and the at least one rotor, the at least one stator comprising:
• i. a set of stator poles in magnetic communication with the set of rotor poles and each having a winding;
• ii. wherein at least two of said stator poles form a phase of the switched reluctance machine, and, when the phase is energized, at least one of the rotor poles aligns with a stator pole;
• and
• iii. a stator outer surface radially outward from said set of stator poles and having a stator outer surface;
• c. a housing having a sleeve positioned only radially outward from the stator outer surface;
• and
• d. wherein stator and sleeve are not contiguous.

A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising:

• a. at least one rotor arranged to rotate about a central axis, the at least one rotor comprising a set of rotor poles arranged about the central axis;
• b. at least one stator positioned concentric to and radially outward from both the central axis and the at least one rotor, the at least one stator comprising:
• i. a set of stator poles in magnetic communication with the set of rotor poles and each having a winding;
• ii. wherein at least two of said stator poles form a phase of the switched reluctance machine, and, when the phase is energized, at least one of the rotor poles aligns with a stator pole;
• and
• iii. a stator outer surface radially outward from said set of stator poles and having a stator outer surface;
• c. a housing having a sleeve positioned only radially outward from the stator outer surface;
• d. at least one housing endplate coupled to an end of said housing;
• and
• e. wherein said stator is in connection with said sleeve only through said at least one endplate.

A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising:

• a. a housing comprising a sleeve;
• b. a central axis comprising a central axis active portion;
• c. at least one rotor and at least one stator radially outward from said central axis, said stator comprising a stator outer surface having a stator outer surface;
• d. a gap between substantially all of said stator outer surface and said sleeve;
• and
• e. wherein the sleeve is radially outward from said gap, and only said sleeve and gap are radially outward from said at least one stator, which is radially outward from said at least one rotor, which is radially outward from said central axis active portion.

A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising:

• a. a housing comprising a sleeve;
• b. a central axis comprising a central axis active portion;
• c. at least one rotor and at least one stator radially outward from said central axis;
• d. a gap between substantially all of said at least one rotor and said sleeve;
• and
• e. wherein the sleeve is radially outward from said gap, and only said sleeve and gap are radially outward from said at least one rotor, which is radially outward from said at least one stator, which is radially outward from said central axis active portion.