IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
|
출원번호 |
US-0277059
(2002-10-21)
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발명자
/ 주소 |
- Sopko, Jeffrey Raymond
- Woody, Jackie Earl
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출원인 / 주소 |
|
대리인 / 주소 |
Michael Best & Friedrich LLP
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인용정보 |
피인용 횟수 :
7 인용 특허 :
2 |
초록
▼
An electric motor controllable to operate at a number of distinct output speeds. The electric motor includes a single set of mechanical parts in combination with a multiple sets of electromagnetic parts having different configurations, where the number of electromagnetic parts corresponds to the num
An electric motor controllable to operate at a number of distinct output speeds. The electric motor includes a single set of mechanical parts in combination with a multiple sets of electromagnetic parts having different configurations, where the number of electromagnetic parts corresponds to the number of distinct output speeds of the electric motor.
대표청구항
▼
1. An electric motor controllable by a controller, the controller configured to provide a first power or a second power, the electric motor comprising:a housing;a first stator fixed relative to the housing and adapted to receive the first power, the first stator producing a first magnetic field when
1. An electric motor controllable by a controller, the controller configured to provide a first power or a second power, the electric motor comprising:a housing;a first stator fixed relative to the housing and adapted to receive the first power, the first stator producing a first magnetic field when the first stator receives the first power, wherein the first stator includes a first number of poles;a second stator fixed relative to the housing and adapted to receive the second power, the second stator producing a second magnetic field when the second stator receives the second power, wherein the second stator includes a second number of poles, and wherein the first number is greater than the second number; anda rotor including a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith and adapted to interact with the first magnetic field, and a second rotating member connected to the shaft for rotation therewith and adapted to interact with the second magnetic field, the rotor rotating at a first speed when the first magnetic field interacts with the first rotating member and rotating at a second speed when the second magnetic field interacts with the second rotating member. 2. The electric motor of claim 1, wherein the housing defines an interior, and wherein the first and second stators are disposed in the interior. 3. The electric motor of claim 1, wherein the electric motor is an induction motor. 4. The electric motor of claim 1, wherein the electric motor is a permanent-split capacitor induction motor. 5. The electric motor of claim 1, wherein the first stator and the first rotating member include a low speed stator and rotating member set, and wherein the second stator and the second rotating member include an efficient high speed stator and rotating member set. 6. An electric motor controllable by a controller, the controller configured to provide a first power or a second power, the electric motor comprising:a housing;a first stator fixed relative to the housing and adapted to receive the first power, the first stator producing a first magnetic field when the first stator receives the first power, wherein the first stator includes a standard speed connection and at least one alternative speed connection;a second stator fixed relative to the housing and adapted to receive the second power, the second stator producing a second magnetic field when the second stator receives the second power; anda rotor including a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith and adapted to interact with the first magnetic field, and a second rotating member connected to the shaft for rotation therewith and adapted to interact with the second magnetic field, the rotor rotating at a first speed when the first magnetic field interacts with the first rotating member and rotating at a second speed when the second magnetic field interacts with the second rotating member. 7. The electric motor of claim 6, wherein the standard speed connection includes a high speed connection and the at least one alternative speed connection includes one of a medium speed connection and a low speed connection. 8. The electric motor of claim 6, wherein the housing defines an interior, and wherein the first and second stators are disposed in the interior. 9. The electric motor of claim 6, wherein the electric motor is an induction motor. 10. The electric motor of claim 6, wherein the electric motor is a permanent-split capacitor induction motor. 11. The electric motor of claim 6, wherein the first stator includes a first number of poles, and wherein the second stator includes a second number of poles, and wherein the first number is greater than the second number. 12. The electric motor of claim 6, wherein the first stator and the first rotating member include a low speed stator and rotating member set, and wherein the second stator and the secon d rotating member include an efficient high speed stator and rotating member set. 13. A heating, ventilation, and air conditioning (HVAC) system comprising:an electric motor controllable to operate in a first mode or a second mode, the electric motor includinga housing,a first stator fixed relative to the housing, wherein the first stator includes a standard speed connection and at least one alternative speed connection,a second stator fixed relative to the housing, anda rotor having a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith relative to the first stator, and a second rotating member connected to the shaft for rotation therewith relative to the second stator;a controller operable to independently provide a first power to the first stator to energize the first stator in the first mode and to independently provide a second power to the second stator to energize the second stator in the second mode; anda blower assembly drivingly coupled to the shaft. 14. A heating, ventilation, and air conditioning (HVAC) system comprising:a controller configured to provide a first power and a second power;an electric motor electrically coupled to and controllable by the controller, the electric motor includinga housing,a first stator fixed relative to the housing and adapted to receive the first power, the first stator producing a first magnetic field when the first stator receives the first power, wherein the first stator includes a first number of poles,a second stator fixed relative to the housing and adapted to receive the second power, the second stator producing a second magnetic field when the second stator receives the second power, wherein the second stator includes a second number of poles, and wherein the first number is greater than the second number, anda rotor including a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith and adapted to interact with the first magnetic field, and a second rotating member connected to the shaft for rotation therewith and adapted to interact with the second magnetic field, the rotor rotating at a first speed when the first magnetic field interacts with the first rotating member and rotating at a second speed when the second magnetic field interacts with the second rotating member; anda blower assembly drivingly coupled to the shaft to move a first volume of air per minute when driven at the first output speed and a second volume of air per minute when driven at the second output speed, the first and second volumes of air being different. 15. The HVAC system of claim 14, wherein the first stator includes a standard speed connection and at least one alternative speed connection. 16. The HVAC system of claim 15, wherein the standard speed connection includes a high speed connection and the at least one alternative speed connection includes one of a medium speed connection and a low speed connection. 17. An electric motor controllable by a controller, the controller configured to provide a first power or a second power, the electric motor comprising:a housing;a first stator fixed relative to the housing and adapted to receive the first power, the first stator producing a first magnetic field when the first stator receives the first power, the first stator comprising a first speed connection and a second speed connection, the second speed connection being different than the first speed connection;a second stator fixed relative to the housing and adapted to receive the second power, the second stator producing a second magnetic field when the second stator receives the second power; anda rotor including a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith and adapted to interact with the first magnetic field, and a second rotating member connected to the shaft for rotation therewith and adapted to interact with the sec ond magnetic field, the rotor rotating at a first speed when the first magnetic field interacts with the first rotating member and rotating at a second speed when the second magnetic field interacts with the second rotating member. 18. The electric motor of claim 17, wherein the housing defines an interior, and wherein the first and second stators are disposed in the interior. 19. The electric motor of claim 17, wherein the electric motor is an induction motor. 20. The electric motor of claim 17, wherein the electric motor is a permanent-split capacitor induction motor. 21. The electric motor of claim 17, wherein the first stator includes a first number of poles, and wherein the second stator includes a second number of poles, and wherein the first number is greater than the second number. 22. The electric motor of claim 17, wherein the first speed connection comprises a standard speed connection and the second speed connection comprises an alternative speed connection. 23. The electric motor of claim 22, wherein the standard speed connection includes a high speed connection and the alternative speed connection includes one of a medium speed connection and a low speed connection. 24. The electric motor of claim 17, wherein the first stator and the first rotating member include a low speed stator and rotating member set, and wherein the second stator and the second rotating member include an efficient high speed stator and rotating member set. 25. A heating, ventilation, and air conditioning (HVAC) system comprising:an electric motor controllable to operate in a first mode or a second mode, the electric motor includinga housing,a first stator fixed relative to the housing, wherein the first stator includes a first number of poles,a second stator fixed relative to the housing, wherein the second stator includes a second number of poles, and wherein the first number is greater than the second number, anda rotor having a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith relative to the first stator, and a second rotating member connected to the shaft for rotation therewith relative to the second stator;a controller operable to independently provide a first power to the first stator to energize the first stator in the first mode and to independently provide a second power to the second stator to energize the second stator in the second mode; anda blower assembly drivingly coupled to the shaft. 26. The HVAC system of claim 25, wherein the first stator produces a first magnetic field when energized. 27. The HVAC system of claim 26, wherein the first rotating member interacts with the first magnetic field, and wherein the rotor rotates at a first speed when the first rotating member interacts with the first magnetic field. 28. The HVAC system of claim 27, wherein the HVAC system includes a dual capacity heating and cooling system, wherein the second stator produces a second magnetic field when energized, wherein the second rotating member interacts with the second magnetic field, wherein the rotor rotates at a second speed when the second rotating member interacts with the second magnetic field, wherein the blower assembly moves a first volume of air when driven at the first speed, and wherein the blower assembly moves a second volume of air when driven at the second speed. 29. The HVAC system of claim 25, wherein the controller is electrically coupled to the first stator and the second stator. 30. The HVAC system of claim 25, wherein the controller independently energizes the first and second stators in response to a user input. 31. The HVAC system of claim 25, wherein the controller independently energizes the first and second stators in response to a feedback. 32. The HVAC system of claim 25, wherein the electric motor is an induction motor. 33. The HVAC system of claim 25, wherein the electric motor drives the blower assembly to move a first volume of air per minute in t he first mode and a second volume of air per minute in the second mode, and wherein the first and second volumes of air are different. 34. A heating, ventilation, and air conditioning (HVAC) system comprising:an electric motor controllable to operate in a first mode or a second mode, the electric motor includinga housing,a first stator fixed relative to the housing, the first stator comprising a first speed connection and a second speed connection, the second speed connection being different than the first speed connection, anda second stator fixed relative to the housing, anda rotor having a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith relative to the first stator, and a second rotating member connected to the shaft for rotation therewith relative to the second stator;a controller operable to independently provide a first power to the first stator to energize the first stator in the first mode and to independently provide a second power to the second stator to energize the second stator in the second mode; anda blower assembly drivingly coupled to the shaft. 35. The HVAC system of claim 34, wherein the first stator produces a first magnetic field when energized. 36. The HVAC system of claim 35, wherein the first rotating member interacts with the first magnetic field, and wherein the rotor rotates at a first speed when the first rotating member interacts with the first magnetic field. 37. The HVAC system of claim 36, wherein the HVAC system includes a dual capacity heating and cooling system, wherein the second stator produces a second magnetic field when energized, wherein the second rotating member interacts with the second magnetic field, wherein the rotor rotates at a second speed when the second rotating member interacts with the second magnetic field, wherein the blower assembly moves a first volume of air when driven at the first speed, and wherein the blower assembly moves a second volume of air when driven at the second speed. 38. The HVAC system of claim 34, wherein the controller is electrically coupled to the first stator and the second stator. 39. The HVAC system of claim 34, wherein the controller independently energizes the first and second stators in response to a user input. 40. The HVAC system of claim 34, wherein the controller independently energizes the first and second stators in response to a feedback. 41. The HVAC system of claim 34, wherein the electric motor is an induction motor. 42. The HVAC system of claim 34, wherein the electric motor drives the blower assembly to move a first volume of air per minute in the first mode and a second volume of air per minute in the second mode, and wherein the first and second volumes of air are different. 43. The HVAC system of claim 34, wherein the first speed connection comprises a standard speed connection and the second speed connection comprises an alternative speed connection. 44. A heating, ventilation, and air conditioning (HVAC) system comprising:a controller configured to provide a first power and a second power;an electric motor electrically coupled to and controllable by the controller, the electric motor includinga housing,a first stator fixed relative to the housing and adapted to receive the first power, the first stator producing a first magnetic field when the first stator receives the first power, the first stator comprising a first speed connection and a second speed connection, the second speed connection being different than the first speed connection;a second stator fixed relative to the housing and adapted to receive the second power, the second stator producing a second magnetic field when the second stator receives the second power, anda rotor including a shaft rotatable relative to the housing, a first rotating member connected to the shaft for rotation therewith and adapted to interact with the first magnetic field, and a second rotating member connected to the shaft for rotation therewith and adapted to interact with the second magnetic field, the rotor rotating at a first speed when the first magnetic field interacts with the first rotating member and rotating at a second speed when the second magnetic field interacts with the second rotating member; anda blower assembly drivingly coupled to the shaft to move a first volume of air per minute when driven at the first output speed and a second volume of air per minute when driven at the second output speed, the first and second volumes of air being different. 45. The HVAC system of claim 44, wherein the first stator includes a first number of poles, wherein the second stator includes a second number of poles, and wherein the first number is greater than the second number. 46. The HVAC system of claim 44, wherein the first speed connection comprises a standard speed connection and the second speed connection comprises an alternative speed connection. 47. The HVAC system of claim 46, wherein the standard speed connection includes a high speed connection and the alternative speed connection includes one of a medium speed connection and a low speed connection.
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