A driving device is provided with a gear unit and a plurality of motors. The gear unit includes a plurality of input shafts supported by a supporting member, and a driven member to which the plurality of input shafts is engaged. Each motor rotor is respectively attached to a corresponding one of the
A driving device is provided with a gear unit and a plurality of motors. The gear unit includes a plurality of input shafts supported by a supporting member, and a driven member to which the plurality of input shafts is engaged. Each motor rotor is respectively attached to a corresponding one of the input shafts. Each motor stator is attached to a housing that is detachably attached to the supporting member. When the housing is attached to the supporting member, phase angles of the rotors of all of the motors are equal.
대표청구항▼
1. A driving device comprising: a gear unit and a plurality of axial gap motors, each axial gap motor having a rotor and a stator,the gear unit comprising:a plurality of input shafts supported by a supporting member; anda driven member to which the plurality of input shafts is engaged;wherein each m
1. A driving device comprising: a gear unit and a plurality of axial gap motors, each axial gap motor having a rotor and a stator,the gear unit comprising:a plurality of input shafts supported by a supporting member; anda driven member to which the plurality of input shafts is engaged;wherein each motor rotor is respectively attached to a corresponding one of the input shafts;each motor stator is attached to a housing that is detachably attached to the supporting member;the housing is attached to the supporting member, such that respective phase angles of the rotors of all of the motors are equal;each of the input shafts has a first and a second of the axial gap motors attached thereto, andeither the rotors or the stators of the first and the second axial gap motors are disposed so as to face each other. 2. The driving device according to claim 1, wherein the input shafts each axially extend beyond both sides of the driven member,one of the first axial gap motors is disposed at a first axial end of each one of the input shafts, andone of the second axial gap motors is disposed at a second axial end of each one of the input shafts. 3. The driving device according to claim 2, wherein the housing comprises a first housing part and a second housing part, which are detachably attached to the supporting member;the stators of the first axial gap motors are attached to the first housing;the stators of the second axial gap motors are attached to the second housing; andthe first housing and the second housing are attached to the supporting member, such that the respective phase angles of all of the rotors are equal. 4. The driving device according to claim 1, wherein the plurality of axial gap motors comprises a plurality of first axial gap motors and a plurality of second axial gap motors, andeach set of one of the first axial gap motors and one of the second axial gap motors is disposed at one end of each of the input shafts. 5. The driving device according to claim 4, the gear unit further comprising: a case having an inner circumference, an internal gear being defined on the inner circumference;wherein the supporting member includes a carrier supported by the case coaxially with the internal gear;the input shafts comprise a plurality of crankshafts, each of which extends parallel to a center axis of the internal gear, is supported by the carrier, and includes at least one eccentric member;the driven member includes an external gear engaged with the eccentric members and configured to rotate eccentrically while meshing with the internal gear; andthe plurality of crankshafts and rotors are respectively coupled by splines each having a plurality of grooves. 6. A driving device comprising: a gear unit and a plurality of motors, each motor having a rotor and a stator,the gear unit comprising:a plurality of input shafts supported by a supporting member;a case having an inner circumference, an internal gear being defined on the inner circumference; anda driven member to which the plurality of input shafts is engaged;wherein each motor rotor is respectively attached to a corresponding one of the input shafts;each motor stator is attached to a housing that is detachably attached to the supporting member;the housing is attached to the supporting member, such that respective phase angles of the rotors of all of the motors are equal;the supporting member includes a carrier supported by the case coaxially with the internal gear;the input shafts comprise a plurality of crankshafts, each of which extends parallel to a center axis of the internal gear, is supported by the carrier, and includes at least one eccentric member;the driven member includes an external gear engaged with the eccentric members and configured to rotate eccentrically while meshing with the internal gear; andthe plurality of crankshafts and rotors are respectively coupled by splines each having a plurality of grooves. 7. A device comprising: a plurality of first axial gap motors and a plurality of second axial gap motors, each motor having a rotor and a stator;a supporting member;a plurality of input shafts supported by the supporting member and being respectively connected to the motor rotors;at least one driven member engaged with the plurality of input shafts; anda housing detachably attached to the supporting member, the motor stators being affixed to the housing and respective phase angles of each of the motor rotors are aligned;wherein each of the input shafts has one of the first axial gap motors and one of the second axial gap motors attached thereto such that either the rotors or the stators of the first and the second axial gap motors are disposed so as to face each other. 8. The device according to claim 7, wherein: the input shafts each protrude beyond both axial sides of the driven member,the first axial gap motors are respectively disposed at a first axially-protruding end of the input shafts, andthe second axial gap motors are respectively disposed at a second axially-protruding end of the input shafts. 9. The device according to claim 8, wherein: the housing comprises a first housing part and a second housing part, which are detachably attached to the supporting member,the stators of the first axial gap motors are attached to the first housing,the stators of the second axial gap motors are attached to the second housing, andthe first housing and the second housing are attached to the supporting member, such that the respective phase angles of all of the rotors are aligned. 10. A device comprising: a plurality of first axial gap motors and a plurality of second axial gap motors, each motor having a rotor and a stator;a supporting member;a plurality of input shafts supported by the supporting member and being respectively connected to the motor rotors;at least one driven member engaged with the plurality of input shafts; anda housing detachably attached to the supporting member, the motor stators being affixed to the housing and respective phase angles of each of the motor rotors are aligned;wherein each set of one of the first axial gap motors and the second axial gap motors is disposed at one axial end of each of the input shafts. 11. The device according to claim 10, further comprising: a case having an inner circumference, an internal gear being defined on the inner circumference;wherein the supporting member includes a carrier supported by the case coaxially with the internal gear;the input shafts comprise a plurality of crankshafts, each of which extends parallel to a center axis of the internal gear, is supported by the carrier, and includes at least one eccentric member;the driven member includes an external gear engaged with the eccentric members and configured to rotate eccentrically while meshing with the internal gear; andthe plurality of crankshafts and rotors are respectively coupled by splines each having a plurality of grooves. 12. A device comprising: a plurality of motors, each motor having a rotor and a stator;a supporting member;a plurality of input shafts supported by the supporting member and being respectively connected to the motor rotors;at least one driven member engaged with the plurality of input shafts;a housing detachably attached to the supporting member, the motor stators being affixed to the housing and respective phase angles of each of the motor rotors are aligned; anda case having an inner circumference, an internal gear being defined on the inner circumference;wherein the supporting member includes a carrier supported by the case coaxially with the internal gear;the input shafts comprise a plurality of crankshafts, each of which extends parallel to a center axis of the internal gear, is supported by the carrier, and includes at least one eccentric member;the driven member includes an external gear engaged with the eccentric members and configured to rotate eccentrically while meshing with the internal gear; andthe plurality of crankshafts and rotors are respectively coupled by splines each having a plurality of grooves. 13. A device comprising: a plurality of first axial gap motors and a plurality of second axial gap motors, each motor having a rotor and a stator;a carrier;a plurality of crankshafts rotatably supported by the carrier and being respectively connected to the motor rotors;at least one external gear engaged with the plurality of crankshafts and being drivable thereby; anda housing detachably attached to the carrier, the motor stators being affixed to the housing and respective phase angles of each of the motor rotors are aligned;wherein each of the crankshafts has one of the first axial gap motors and one of the second axial gap motors attached thereto such that either the respective rotors or the respective stators of the first and the second axial gap motors directly oppose each other. 14. The device according to claim 13, wherein: the housing comprises a first housing part and a second housing part, which are detachably attached to the carrier,the stators of the first axial gap motors are attached to the first housing,the stators of the second axial gap motors are attached to the second housing, andthe first housing and the second housing are attached to the supporting member, such that the respective phase angles of all of the rotors are aligned.
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이 특허에 인용된 특허 (4)
Harris, David Jonathan, Alternators and improvements to rotary internal combustion engines.
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