High-efficiency drive system including a transmission for a hybrid electric vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16H-003/72
F16H-003/00
F16H-003/48
F16H-061/02
B60K-006/547
B60K-006/365
B60K-006/387
B60K-006/445
B60K-006/38
F16H-037/08
F16H-037/10
출원번호
US-0882505
(2015-10-14)
등록번호
US-9441708
(2016-09-13)
발명자
/ 주소
Kimes, John W.
Woodley, Philip B.
출원인 / 주소
MEANS INDUSTRIES, INC.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
7인용 특허 :
56
초록▼
A high-efficiency drive system including a transmission for a hybrid electric vehicle is provided. The system includes a gear set having first, second and third elements. A non-friction clutch assembly is non-hydraulically controlled to change between a first coupling state for coupling the output s
A high-efficiency drive system including a transmission for a hybrid electric vehicle is provided. The system includes a gear set having first, second and third elements. A non-friction clutch assembly is non-hydraulically controlled to change between a first coupling state for coupling the output shaft of an electrical machine to a transmission output shaft and an uncoupling state for uncoupling the output shaft of the electrical machine from the transmission output shaft. The clutch assembly is also non-hydraulically controlled to change between a second coupling state for coupling the output shaft of a non-electrical machine to the transmission output shaft and the uncoupling state for uncoupling the output shaft of the non-electrical machine from the transmission output shaft.
대표청구항▼
1. A high-efficiency drive system including a transmission for a hybrid electric vehicle, the system comprising:a gear set including first, second and third elements, the first element connecting connectable with a transmission output shaft, an output shaft of a non-electrical machine connecting wit
1. A high-efficiency drive system including a transmission for a hybrid electric vehicle, the system comprising:a gear set including first, second and third elements, the first element connecting connectable with a transmission output shaft, an output shaft of a non-electrical machine connecting with the second element for driving the second element;a transmission housing;a first electrical machine having a first output shaft connectable with the first element and the transmission output shaft for driving the transmission output shaft in response to an electrical signal;a second electrical machine having a second output shaft connectable with the third element for driving the third element, the output shaft of the non-electrical machine connectable with the third element through the second element for driving the third element; anda non-friction clutch assembly being non-hydraulically controlled to change between a first coupled state for coupling either the first or second output shaft to the transmission output shaft and a first uncoupled state for uncoupling whichever of the first or second output shafts had been coupled from the transmission output shaft, the clutch assembly also being non-hydraulically controlled to change between a second coupled state for coupling the output shaft of the non-electrical machine to the transmission output shaft and a second uncoupled state for uncoupling the output shaft of the non-electrical machine from the transmission output shaft. 2. The system as claimed in claim 1, wherein the gear set is a planetary gear set and wherein the first, second and third elements comprise a ring gear, a carrier and a sun gear, respectively. 3. The system as claimed in claim 1, wherein the system has a plurality of different operating modes including a reverse gear or operating mode powered both electrically and non-electrically. 4. The system as claimed in claim 1, wherein the system has a plurality of different operating modes including an overdrive operating mode powered non-electrically and wherein the output shaft of the non-electrical machine is coupled to the transmission output shaft in the overdrive operating mode. 5. The system as claimed in claim 4, wherein the overdrive operating mode is a first overdrive operating mode having a first gear ratio and wherein the system has a second overdrive operating mode having a second gear ratio different from the first gear ratio and powered non-electrically. 6. The system as claimed in claim 5, further comprising a non-friction brake assembly having a coupled state in which the third element is coupled to the housing and an uncoupled state in which the third element is uncoupled from the housing, the brake assembly being non-hydraulically controlled to change state. 7. The system as claimed in claim 1, wherein the clutch assembly includes a switchable linear actuator device for transitioning between coupled states of the clutch assembly. 8. The system as claimed in claim 7, wherein the actuator device includes a stator structure including at least one electromagnetic source to create an electromagnetically switched magnetic field and a translator structure including a magnetically latching permanent magnet source 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 a plurality of predefined discrete axial positions which correspond to different coupling states of the clutch assembly. 9. The system as claimed in claim 6, wherein the brake assembly includes an electromechanical apparatus connecting with the output shaft of the second electrical machine. 10. The system as claimed in claim 1, wherein the first electrical machine is an electric motor. 11. The system as claimed in claim 1, wherein the second electrical machine is an electric motor-generator unit. 12. The system as claimed in claim 1, wherein the non-electrical machine comprises an internal combustion engine. 13. The system as claimed in claim 1, wherein the transmission is a power-split transmission. 14. A high-efficiency drive system including a transmission for a hybrid electric vehicle, the system comprising:a gear set including first, second and third elements, the first element connectable with a transmission output shaft, an output shaft of a non-electrical machine connectable with the second element for driving the second element;a transmission housing;a first electrical machine having a first output shaft connectable with the first element and the transmission output shaft for driving the transmission output shaft in response to an electrical signal;a second electrical machine having a second output shaft connectable with the third element for driving the third element, the output shaft of the non-electrical machine connectable with the third element through the second element for driving the third element;a first non-friction clutch assembly being non-hydraulically controlled to change between a first coupled state for coupling either the first or second output shaft to the transmission output shaft and an uncoupled state for uncoupling whichever of the first or second output shafts had been coupled from the transmission output shaft, the first non-friction clutch assembly also being non-hydraulically controlled to change between a second coupled state for coupling the output shaft of the non-electrical machine to the transmission output shaft and a second uncoupled state for uncoupling the output shaft of the non-electrical machine from the transmission output shaft; anda second non-friction clutch assembly being non-hydraulically controlled to change between a first coupled state for coupling the output shaft of the non-electrical machine to the second element and a first uncoupled state for uncoupling the output shaft of the non-electrical machine from the second element, the second clutch assembly also being non-hydraulically controlled to change between a second coupled state for coupling the output shaft of the non-electrical machine to the third element and a second uncoupled state for uncoupling the output shaft of the non-electrical machine from the third element. 15. The system as claimed in claim 14, wherein the gear set is a planetary gear set and wherein the first, second and third elements comprise a ring gear, a carrier and a sun gear, respectively. 16. The system as claimed in claim 14, wherein the system has a plurality of different operating modes including a reverse gear or operating mode powered both electrically and non-electrically. 17. The system as claimed in claim 14, wherein the system has a plurality of different operating modes including an overdrive operating mode powered non-electrically and wherein the output shaft of the non-electrical machine is coupled to the transmission output shaft in the overdrive operating mode. 18. The system as claimed in claim 17, wherein the overdrive operating mode is a first overdrive operating mode having a first gear ratio and wherein the system has a second overdrive operating mode having a second gear ratio different from the first gear ratio and powered non-electrically. 19. The system as claimed in claim 18, further comprising a non-friction brake assembly having a coupled state for coupling the third element to the housing and an uncoupled state for uncoupling the third element from the housing, the brake assembly being non-hydraulically controlled to change state. 20. The system as claimed in claim 14, wherein each clutch assembly includes a switchable linear actuator device to control the coupling state of the clutch assembly. 21. The system as claimed in claim 20, wherein each actuator device includes a stator structure including at least one electromagnetic source to create an electromagnetically switched magnetic field and a translator structure including a magnetically latching permanent magnet source 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 a plurality of predefined discrete axial positions which correspond to different coupling states of the clutch assembly. 22. The system as claimed in claim 19, wherein the brake assembly includes an electromechanical apparatus connecting with the output shaft of the second electrical machine. 23. The system as claimed in claim 14, wherein the first electrical machine is an electric motor. 24. The system as claimed in claim 14, wherein the second electrical machine is an electric motor-generator unit. 25. The system as claimed in claim 14, wherein the non-electrical machine comprises an internal combustion engine. 26. The system as claimed in claim 14, wherein the transmission is a power-split transmission. 27. The system as claimed in claim 19 wherein the brake assembly is a first brake assembly and wherein the system further comprises a second brake assembly having a coupled state for coupling the second element to the housing and an uncoupled state for uncoupling the second element from the housing, the second brake assembly being non-hydraulically controlled to change state. 28. The system as claimed in claim 27, wherein the second brake assembly includes an electromechanical apparatus.
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