The invention describes a hand-held power tool having a drive train, which includes a motor with a rotor, a drive shaft, and a transmission. According to the invention, at least one flywheel mass is provided that is positionable rotationally symmetrical to the drive shaft and connectable to the driv
The invention describes a hand-held power tool having a drive train, which includes a motor with a rotor, a drive shaft, and a transmission. According to the invention, at least one flywheel mass is provided that is positionable rotationally symmetrical to the drive shaft and connectable to the drive shaft for co-rotation therewith.
대표청구항▼
1. A hand-held power tool comprising: a drive train, which includes a motor with a rotor, a drive shaft, and a transmission embodied as a planetary gear set; andat least one flywheel mass that is arranged substantially rotationally symmetrical to the drive shaft and connectable to the drive shaft fo
1. A hand-held power tool comprising: a drive train, which includes a motor with a rotor, a drive shaft, and a transmission embodied as a planetary gear set; andat least one flywheel mass that is arranged substantially rotationally symmetrical to the drive shaft and connectable to the drive shaft for co-rotation therewith,wherein the flywheel mass is disk-shaped and indirectly connected to the drive shaft by a connecting element, the connecting element being embodied as a pinion on the drive shaft,wherein the pinion acts as a sun gear of the planetary gear set and the flywheel mass forms a co-rotational connection with the pinion. 2. The hand-held power tool as recited in claim 1, wherein the flywheel mass has an outer diameter that is greater than an outer diameter of the rotor. 3. The hand-held power tool as recited in claim 2, wherein the motor has a motor housing and the flywheel mass is situated outside the motor housing. 4. The hand-held power tool as recited in claim 3, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 5. The hand-held power tool as recited in claim 2, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 6. The hand-held power tool as recited in claim 1, wherein the motor has a motor housing and the flywheel mass is situated outside the motor housing. 7. The hand-held power tool as recited in claim 6, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 8. The hand-held power tool as recited in claim 1, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 9. The hand-held power tool as recited in claim 1, wherein the flywheel mass has a central internal gearing which is configured to engage with teeth of the pinion. 10. The hand-held power tool as defined in claim 1, wherein the pinion is mounted onto the drive shaft by being press-fitted onto the drive shaft. 11. The hand-held power tool as defined in claim 1, wherein the planetary gear set includes planetary gears which are in meshing connection with the pinion and are disposed adjacent to the flywheel mass. 12. The hand-held power tool as defined in claim 1, wherein the flywheel mass has an outer diameter that is substantially the same as an outer diameter of a ring gear of the planetary gear set. 13. The hand-held power tool as defined in claim 1, wherein the planetary gear set includes planetary gears which are in meshing connection with the pinion and are disposed adjacent to the flywheel mass. 14. The hand-held power tool as defined in claim 1, wherein the flywheel mass has an outer diameter that is substantially the same as an outer diameter of a ring gear of the planetary gear set. 15. A hand-held power tool comprising: a drive train, which includes a motor with a rotor, a drive shaft, and a transmission embodied as a planetary gear set; andat least one flywheel mass that is arranged substantially rotationally symmetrically relative to the drive shaft and connectable to the drive shaft for co-rotation therewith;wherein the flywheel mass is disk-shaped and indirectly connected to the drive shaft by a connecting element, the connecting element being embodied as a pinion on the drive shaft,wherein the pinion acts as a sun gear of the planetary gear set and the flywheel mass and the pinion are embodied as one piece with each other. 16. The hand-held power tool as recited in claim 15, wherein the flywheel mass has an outer diameter that is greater than an outer diameter of the rotor. 17. The hand-held power tool as recited in claim 16, wherein the motor has a motor housing and the flywheel mass is situated outside the motor housing. 18. The hand-held power tool as recited in claim 17, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 19. The hand-held power tool as recited in claim 16, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 20. The hand-held power tool as recited in claim 15, wherein the motor has a motor housing and the flywheel mass is situated outside the motor housing. 21. The hand-held power tool as recited in claim 20, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 22. The hand-held power tool as recited in claim 15, wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing. 23. The hand-held power tool as recited in claim 15, wherein the one piece is mounted on the drive shaft by means for providing a form-locked connection which are provided on the drive shaft and on a central opening of the pinion. 24. A hand-held power tool comprising: a drive train, which includes a motor with a rotor, a drive shaft, and a transmission; andat least one flywheel mass that is arranged substantially rotationally symmetrical to the drive shaft and connectable to the drive shaft for co-rotation therewith,wherein the flywheel mass is indirectly connected to the drive shaft by a connecting element, the connecting element being a component of the transmission,wherein the motor has a motor housing and the connecting element is situated outside the motor housing,wherein the transmission has a transmission housing and the flywheel mass is situated inside the transmission housing, and wherein the flywheel mass is separated from the motor housing by at least one element of the transmission housing.
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이 특허에 인용된 특허 (20)
Cannaliato Mike F., Automatic variable transmission for power tool.
Purcupile John Charles (Monroeville PA) Lenden Angela L. (Coraopolis PA) Mutschler Thomas A. (Pittsburgh PA) Kneisley Joel D. (Cleveland OH) Wieszczyk Mark P. (San Francisco CA) Lasser Ronald (Willia, Mine roof supporting.
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