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US RE49,270 E1Granted
Force transmission device in particular for power transmission between a drive engine and an output
AssigneeSchaeffler Technologies AG & Co. KG
InventorsMario Degler, Thorsten Krause, Kai Schenck, Markus Werner, Dominique Engelmann
Life of this patent
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Abstract
A force transmission device, in particular or power transmission between a drive engine and an output, comprising a damper assembly with at least two dampers, which can be connected in series, and a rotational speed adaptive absorber, wherein the rotational speed adaptive tuned mass damper is disposed between the dampers at least in one force flow direction through the force transmission device.
Claims58
A force transmission device for power transmission between a drive engine and an output, comprising:
- a damper assembly with first and second dampers, which can be connected in series;
- and
- a rotational speed adaptive absorber,
- wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through a force transmission device,
- wherein each of the first and second dampers includes a primary component and a secondary component, and
- wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper.
3 more elements
A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
- an output connected to the transmission input shaft;
- a damper assembly that includes first and second dampers connected in series;
- and
- a rotational speed adaptive absorber,
- wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,
- wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,
- wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,
- wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper,
- wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,
- wherein the rotational speed adaptive absorber includes pairs of inertial masses, is connected torque proof with the secondary component of the first damper, and is integral with a component of the second damper,
- wherein the rotational speed adaptive absorber further includes an inertial mass support device to which the pairs of inertial masses are connected,
- wherein proximal ends of at least one pair of inertial masses of the pairs of inertial masses are more proximal to the rotational axis of the force transmission device, in radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,
- wherein the pairs of inertial masses are movable with respect to the inertial mass support device, and
- wherein the primary component of the second damper receives a dampened rotational force from the secondary component of the first damper.
11 more elements
A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
- an output connected to the transmission input shaft;
- a damper assembly that includes first and second dampers connected in series;
- and
- a rotational speed adaptive absorber,
- wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,
- wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,
- wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,
- wherein the primary component of the second damper and the secondary component of the first damper form an integral unit,
- wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,
- wherein the primary component of the second damper receives a dampened rotational force from the secondary component of the first damper,
- wherein the rotational speed adaptive absorber includes a plurality of inertial masses, each configured to perform pendulum type motion,
- wherein the rotational speed adaptive absorber further includes an inertial mass support device to which the plurality of inertial masses are connected,
- wherein a proximal end of at least one of the plurality of inertial masses is more proximal to the rotational axis of the force transmission device, in a radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,
- wherein the inertial masses are movable relative to the inertial mass support device to perform the pendulum type motion, and
- wherein the rotational speed adaptive absorber is connected torque proof with the integral unit that forms the primary component of the second damper and the secondary component of the first damper.
12 more elements
A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
- an output connected to the transmission input shaft;
- a damper assembly that includes first and second dampers connected in series;
- and
- a rotational speed adaptive absorber,
- wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,
- wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,
- wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,
- wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper,
- wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,
- wherein the rotational speed adaptive absorber includes four pairs of inertial masses and is connected torque proof with the secondary component of the first damper and the primary component of the second damper,
- wherein each of the plurality of inertial masses is configured to perform pendulum type motion,
- wherein proximal ends of at least one pair of inertial masses of the four pairs of inertial masses are more proximal to the rotational axis of the force transmission device, in radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,
- wherein the force transmission device is arranged such that, when operated, the pairs of inertial masses are influenced by centrifugal oil pressure force, and
- wherein the rotational speed adaptive absorber is tuned higher by >0.05 to 0.5 as compared to tuning for an order of an excitation of the drive engine in the absence of centrifugal oil pressure.
11 more elements
A force transmission device for power transmission between a drive engine and a transmission input shaft, comprising:
- an output;
- a damper assembly that includes first and second dampers connected in series;
- a rotational speed adaptive absorber comprising four pairs of inertial masses;
- and
- a hydrodynamic component with at least one primary shell functioning as a pump shell (P) and a secondary shell functioning as a turbine shell (T), forming an operating cavity (AR) with one another,
- wherein the rotational speed adaptive absorber includes an inertial mass support device to which the pairs of inertial masses are connected,
- wherein the rotational speed adaptive absorber is connected torque proof with the secondary shell via the inertial mass support device,
- wherein the rotational speed adaptive absorber is disposed between the first and second dampers at least in one force flow direction through the force transmission device,
- wherein a resonance frequency of the rotational speed adaptive absorber is proportional to a rotational speed of the drive engine,
- wherein each of the first and second dampers includes an elastic element, a primary component, and a secondary component,
- wherein the elastic element of the first damper is offset from the elastic element of the second damper in a direction of the rotational axis of the force transmission device,
- wherein the primary component of the second damper is connected torque proof with the secondary component of the first damper,
- wherein the turbine shell (T) is connected torque proof with the primary component of the second damper,
- wherein proximal ends of at least one pair of inertial masses of the four pairs of inertial masses are more proximal to the rotational axis of the force transmission device, in radial direction, than a center of the elastic element of the first damper, when viewed in a cross-section along the rotational axis of the force transmission device,
- wherein the rotational speed adaptive absorber is connected torque proof with the secondary component of the first damper and the primary component of the second damper, and
- wherein each of the plurality of inertial masses is configured to perform pendulum type motion.
13 more elements
Dependencies are inferred from the claim text.