IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0584433
(2012-08-13)
|
등록번호 |
US-8579093
(2013-11-12)
|
우선권정보 |
DE-10 2010 008 178 (2010-02-16); DE-10 2010 011 139 (2010-03-11) |
발명자
/ 주소 |
- Maienschein, Stephan
- Droll, Peter
|
출원인 / 주소 |
- Schaeffler Technologies AG & Co. KG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
2 |
초록
▼
A hydrodynamic torque converter comprising a torque converter lockup clutch and a converter housing connected at the drive side, and a pump wheel non-rotatably connected thereto, as well as a turbine wheel non-rotatably connected at the output side to an output hub, and a torsional vibration damper
A hydrodynamic torque converter comprising a torque converter lockup clutch and a converter housing connected at the drive side, and a pump wheel non-rotatably connected thereto, as well as a turbine wheel non-rotatably connected at the output side to an output hub, and a torsional vibration damper actively arranged between the clutch output of the torque converter lockup clutch and the output hub, and comprising a centrifugal pendulum device arranged within the converter housing and having a pendulum flange with slightly swiveling pendulum masses thereupon, wherein the pendulum flange is arranged axially between the torsional vibration damper and the turbine wheel and is non-rotatably connected to the turbine wheel and the output hub by means of a keyed connection.
대표청구항
▼
1. A hydrodynamic torque converter, comprising: a torque converter lockup clutch (40);a converter housing connected at a drive side;a pump wheel non-rotatably connected to the converter housing;a turbine wheel (30) non-rotatably connected at an output side to an output hub (18); and,a torsional vibr
1. A hydrodynamic torque converter, comprising: a torque converter lockup clutch (40);a converter housing connected at a drive side;a pump wheel non-rotatably connected to the converter housing;a turbine wheel (30) non-rotatably connected at an output side to an output hub (18); and,a torsional vibration damper (10) having a damper output part (22) non-rotatable connected to the output hub (18) or a component selected from the group consisting of a pendulum flange, said turbine wheel, and said output hub, and said torsional vibration damper (10) actively arranged between a clutch output (42) of the torque converter lockup clutch (40) and the output hub (18), and comprising: at least one spring; anda centrifugal pendulum device (50) arranged within the converter housing and having a pendulum flange (52) with a plurality of slightly swiveling pendulum masses (56) thereupon, wherein:the pendulum flange (52) is arranged axially between the torsional vibration damper (10) and the turbine wheel (30) and is non-rotatably connected to the turbine wheel (30) and the output hub (18) by means of a keyed connection (28) having a first rivet element to connect the pendulum flange to the turbine wheel and the output hub, and a second rivet element to connect the damper output part and the component; andat least a portion of the plurality of pendulum masses is aligned with the at least one spring in a direction parallel to an axis of rotation for the torque converter. 2. The hydrodynamic torque converter as recited in claim 1, wherein the damper output part is connected to the output hub by means of an interlock. 3. The hydrodynamic torque converter as recited in claim 1 wherein the damper output part is non-rotatably connected to said component by a rivet. 4. The hydrodynamic torque converter as recited in claim 1, wherein the first and second rivet elements (28, 70) are arranged on different radii. 5. The hydrodynamic torque converter as recited in claim 1, wherein the pendulum flange (52) and the damper output part (22) have alternately arranged tabs (26, 54) directed radially inward on the perimeter to accommodate the first and second rivet elements (28, 70), wherein a tab (54) of the pendulum flange (52) is connected to the turbine wheel (30) at one peripheral position, and a tab (26) of the damper output part (22) is connected to the turbine wheel (30) at a different peripheral position. 6. The hydrodynamic torque converter as recited in claim 5, wherein the first and second rivet elements (28, 70) are arranged substantially on a common radius. 7. The hydrodynamic torque converter as recited in claim 5, wherein the thickness of a compound structure comprising the pendulum flange (52), the turbine wheel (30), and the damper output part (22) and output hub (18) are basically the same size on the perimeter in the area of the rivet elements (28, 70). 8. The hydrodynamic torque converter as recited in claim 5, wherein the thickness of the component and thickness of the tab (26, 54) arranged thereupon are different. 9. The hydrodynamic torque converter as recited in claim 5, wherein the thickness of the component and thickness of the tab (26, 54) arranged thereupon are equal. 10. The hydrodynamic torque converter as recited in claim 5, wherein the tabs (26, 54) are formed integrally from a respective component. 11. The hydrodynamic torque converter as recited in claim 1, further comprising: a compound structure including the turbine wheel (30) fastened to the pendulum flange (52) and the output hub (18) by means of a first spacing bolt (58), wherein the damper output part (22) is at an axial distance from the compound structure and is connected thereto by means of a second spacing bolt (72). 12. A hydrodynamic torque converter comprising: a torque converter lockup clutch;a converter housing connected at a drive side;a pump wheel non-rotatably connected to the converter housing;an output hub;a turbine wheel non-rotatably connected at an output side to the output hub; and,a torsional vibration damper arranged between a clutch output of the torque converter lockup clutch and the output hub, and including an output part and a centrifugal pendulum device with: a pendulum flange axially located between the torsional vibration damper and the turbine wheel and non-rotatably connected to the turbine wheel; anda plurality of pendulum masses connected to the pendulum flange such that the plurality of pendulum masses is displaceable with respect to the pendulum flange, wherein:the pendulum flange includes a first plurality of tabs extending toward an axis of rotation for the torque converter;the output part includes a second plurality of tabs extending toward the axis of rotation;respective tabs from the first plurality of tabs alternate with respective tabs from the second plurality of tabs in a circumferential direction;the pendulum flange is non-rotatably connected to the turbine wheel and the output hub by respective first fasteners passing through the first plurality of radially inwardly extending tabs; and,the output part is non-rotatably connected to the turbine wheel and the output hub by respective second fasteners passing through the second plurality of radially inwardly extending tabs. 13. A hydrodynamic torque converter comprising: a torque converter lockup clutch;a converter housing;a pump wheel non-rotatably connected to the converter housing;an output hub;a turbine wheel non-rotatably connected to the output hub;a torsional vibration damper including: an input part connected to the lockup clutch;an intermediate flange;at least one first energy storage element engaged with the input part and the intermediate flange;an output part including first and second disk parts; and,at least one second energy storage element located radially inward of the at least one first energy storage element and engaged with the intermediate flange and the first and second disk parts; and,a pendulum device including a pendulum flange axially located between the torsional vibration damper and the turbine wheel and non-rotatably connected to the turbine wheel and the first disk part.
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