Device and apparatus for controlling the operating mode of a coupling assembly, coupling and control assembly and electric motor disconnect and pass through assemblies
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16D-041/16
F16D-027/108
F16D-041/12
출원번호
US-0487234
(2014-09-16)
등록번호
US-9435387
(2016-09-06)
발명자
/ 주소
Kimes, John W.
McCleer, Patrick J.
Hendrick, Terry O.
출원인 / 주소
Means Industries, Inc.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
0인용 특허 :
73
초록▼
Device and apparatus for controlling the operating mode of a coupling assembly, coupling and control assembly and electric motor disconnect and pass through assemblies are provided. The device is a switchable linear actuator device to control the operating mode of a coupling assembly. A plurality of
Device and apparatus for controlling the operating mode of a coupling assembly, coupling and control assembly and electric motor disconnect and pass through assemblies are provided. The device is a switchable linear actuator device to control the operating mode of a coupling assembly. A plurality of magnetic sources produce corresponding magnetic fields to create a net translational force. A stator structure includes at least one electromagnetic source and a translator structure includes a permanent magnet source magnetically coupled to the stator structure across a radial air gap. The translator structure is supported for translational movement relative to the stator structure along an axis between first and second stable axial end positions which correspond to first and second operating modes of the coupling assembly and an unstable axial equilibrium position between the end positions. The translator structure translates along the axis between the different positions upon experiencing the net translational force.
대표청구항▼
1. A switchable linear actuator device to control the operating mode of a coupling assembly having a locking member, the device having a plurality of magnetic sources which produce corresponding magnetic fields to create a net translational force, the device comprising: a stator structure including
1. A switchable linear actuator device to control the operating mode of a coupling assembly having a locking member, the device having a plurality of magnetic sources which produce corresponding magnetic fields to create a net translational force, the device comprising: a stator structure including at least one electromagnetic source; anda translator structure including a connecting rod having a free end connected to the locking member to actuate the locking member for selective, small-displacement, locking member movement, the translator structure further including a permanent magnet source operatively connected to the connecting rod and magnetically coupled to the stator structure across a radial air gap and supported for translational movement relative to the stator structure along an axis between first and second stable axial end positions which correspond to first and second operating modes of the coupling assembly and an unstable axial equilibrium position between the end positions, the translator structure translating along the axis between the different positions upon experiencing the net translational force comprising a first translational force caused by energization of the at least one electromagnetic source and a latching force based upon linear position of the permanent magnet source along the axis. 2. The device as claimed in claim 1, wherein the structures are substantially circularly symmetric. 3. The device as claimed in claim 2, wherein each electromagnetic source includes an annular slot and a coil disposed in the slot, each slot opening to the radial air gap. 4. The device as claimed in claim 1, wherein the permanent magnet source comprises an annular magnet. 5. The device as claimed in claim 4, wherein the annular magnet is a rare earth magnet. 6. The device as claimed in claim 4, wherein the annular magnet is axially magnetized. 7. The device as claimed in claim 4, wherein the translator structure includes a pair of field redirection rings and wherein the annular magnet is sandwiched between the field redirection rings. 8. A reciprocating electromechanical apparatus for controlling the operating mode of a coupling assembly having a locking element, the apparatus comprising: first and second members including first and second faces, respectively, in close-spaced opposition with one another, the second member being mounted for rotation about an axis and for reciprocating movement along the axis;magnetic circuit components including first and second magnetic sources, the first magnetic source being supported by the first member at the first face in close-spaced opposition to the second magnetic source which is supported by the second member, the magnetic sources being separated by a radial air gap, wherein the second magnetic source is a permanent magnetic source having a permanent magnetic field and the first magnetic source is an electromagnetic source including a coil; anda connecting rod extending from the second member, the rod having a free end connected to the locking element to connect the second member to the locking element of the coupling assembly to transfer the reciprocating movement to the locking element, wherein coil energization creates a temporary magnetic field which causes the second member and the connecting rod to reciprocate between extended and retracted positions along the axis and wherein the permanent magnetic field causes the second member and the connecting rod to maintain at least one of the positions without the need to maintain coil energization thereby providing a latching effect. 9. The apparatus as claimed in claim 8, wherein the first face has at least one recess in which the coil is located. 10. The apparatus as claimed in claim 9, wherein the at least one recess includes an annular recess. 11. The apparatus as claimed in claim 8, wherein the permanent magnet source is an annular magnet. 12. An overrunning coupling and control assembly comprising: first and second coupling members supported for rotation relative to one another about a common rotational axis, and at least one locking member for selectively mechanically coupling the members together to prevent relative rotation of the first and second coupling members with respect to each other in at least one direction about the axis;a stator subassembly including at least one coil to create a magnetic flux when the at least one coil is energized; anda magnetically-latching actuator subassembly including at least one bi-directionally movable rod, each rod having a free end connected to its respective locking member to actuate its locking member for selective, small-displacement locking member movement, the actuator subassembly further including a magnetic actuator coupled to each rod and mounted for controlled reciprocating movement along the rotational axis relative to the first coupling member between an extended position which corresponds to a first mode of the assembly and a retracted position which corresponds to a second mode of the assembly, each rod actuating its respective locking member in the extended position so that each locking member couples the first and second coupling members for rotation with each other in at least one direction about the rotational axis, the magnetic actuator completing a path of the magnetic flux to magnetically latch in at least one of the positions, wherein a control force caused by the magnetic flux is applied to linearly move the magnetic actuator between the retracted and extended positions along the rotational axis. 13. The assembly as claimed in claim 12, wherein the magnetic actuator includes a permanent magnet source. 14. The assembly as claimed in claim 12, further comprising a guide member to guide the reciprocating movement. 15. The assembly as claimed in claim 14, wherein the guide member includes a support portion to support the actuator subassembly adjacent the stator subassembly. 16. The assembly as claimed in claim 12, wherein each of the rods is plunger-shaped. 17. The assembly as claimed in claim 12, further comprising at least one bearing for rotatably supporting the first coupling member on the stator subassembly. 18. The assembly as claimed in claim 12, wherein the first coupling member and the stator subassembly form a unitary structure and wherein a radial air gap separates the unitary structure from the actuator subassembly. 19. The assembly as claimed in claim 12, wherein each locking member is a locking strut. 20. The assembly as claimed in claim 12, wherein a portion of the first coupling member supports the actuator subassembly adjacent the stator subassembly. 21. The assembly as claimed in claim 12, wherein the first coupling member is a pocket plate. 22. An overrunning clutch and control assembly comprising: first and second clutch members supported for rotation relative to one another about a common rotational axis, and at least one locking strut for selectively mechanically coupling the members together to prevent relative rotation of the first and second clutch members with respect to each other in at least one direction about the axis;a stator subassembly including at least one coil to create a magnetic flux when the at least one coil is energized; anda magnetically-latching actuator subassembly including at least one bi-directionally movable rod, each rod having a free end connected to its respective locking strut to actuate its locking strut for selective, small displacement strut movement, the actuator subassembly further including a magnetic actuator device coupled to each rod and mounted for controlled reciprocating movement along the rotational axis relative to the first clutch member between an extended position which corresponds to a first mode of the assembly and a retracted position which corresponds to a second mode of the assembly, each rod actuating its respective locking strut so that each locking strut couples the first and second clutch members for rotation with each other in at least one direction about the rotational axis, the magnetic actuator device completing a path of the magnetic flux to magnetically latch in at least one of the positions, wherein a control force caused by the magnetic flux is applied to linearly move the magnetic actuator device between the retracted and extended positions along the rotational axis. 23. The assembly as claimed in claim 22, wherein the magnetic actuator device includes a permanent magnet source. 24. The assembly as claimed in claim 22, further comprising a guide member to guide the reciprocating movement. 25. The assembly as claimed in claim 22, wherein each of the rods is plunger-shaped. 26. The assembly as claimed in claim 25, wherein the guide member includes a support portion to support the actuator subassembly adjacent the stator subassembly. 27. The assembly as claimed in claim 22, further comprising at least one bearing for rotatably supporting the first clutch member on the stator subassembly. 28. The assembly as claimed in claim 22, wherein the first clutch member and the stator subassembly form a unitary structure and wherein a radial air gap separates the unitary structure from the actuator subassembly. 29. The assembly as claimed in claim 22, wherein a portion of the first clutch member supports the actuator subassembly adjacent the stator subassembly. 30. The assembly as claimed in claim 22, wherein the first clutch member is a pocket plate. 31. The assembly as claimed in claim 22, wherein the clutch is a dynamic clutch. 32. The assembly as claimed in claim 22, wherein the clutch is a static clutch. 33. An electric motor disconnect assembly comprising: a motor stator;a motor rotor;a rotary output shaft; andan overrunning coupling and control subassembly including:first and second coupling members supported for rotation relative to one another about a common rotational axis, and at least one locking member for selectively mechanically coupling the members together to prevent relative rotation of the first and second coupling members with respect to each other in at least one direction about the axis; the second coupling member being coupled to the rotary output shaft;a stator subassembly including at least one coil to create a magnetic flux when the at least one coil is energized; anda magnetically-latching actuator subassembly including at least one bi-directionally movable rod, each rod having a free end connected to its respective locking member to actuate its locking member for selective, small displacement locking member movement, the actuator subassembly also including a magnetic actuator device coupled to each rod and mounted for controlled shifting movement along the rotational axis relative to the first coupling member between an extended position which corresponds to a first mode of the assembly and a retracted position which corresponds to a second mode of the assembly, each rod actuating its respective locking member in the extended position so that each locking member couples the first and second coupling members for rotation with each other in at least one direction about the rotational axis, the magnetic actuator device completing a path of the magnetic flux to magnetically latch in at least one of the positions, wherein a control force caused by the magnetic flux is applied to linearly move the magnetic actuator device between the retracted and extended positions along the rotational axis. 34. An electric motor disconnect and pass through assembly comprising: a motor stator;a motor rotor;a rotary input shaft;a rotary output shaft; anda pair of overrunning coupling and control subassemblies, each of the subassemblies including:first and second coupling members supported for rotation relative to one another about a common rotational axis, and at least one locking member for selectively mechanically coupling the members together to prevent relative rotation of the first and second coupling members with respect to each other in at least one direction about the axis;a stator subassembly including at least one coil to create a magnetic flux when the at least one coil is energized; anda magnetically-latching actuator subassembly including at least one bi-directionally movable rod, each rod having a free end connected to its respective locking member to actuate its locking member for selective, small displacement locking member movement, the actuator subassembly further including a magnetic actuator device coupled to each rod and mounted for controlled shifting movement along the rotational axis relative to the first coupling member between an extended position which corresponds to a first mode of the assembly and a retracted position which corresponds to a second mode of the assembly, each rod actuating its respective locking member in an extended position so that each locking member couples the first and second coupling members for rotation with each other in at least one direction about the rotational axis, the magnetic actuator device completing a path of the magnetic flux to magnetically latch in at least one of the positions, wherein a control force caused by the magnetic flux is applied to linearly move the magnetic actuator device between the retracted and extended positions along the rotational axis; wherein one of the second coupling members is coupled to the rotary input shaft and the other of the second coupling members is coupled to the rotary output shaft.
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