Hybrid module for a motor vehicle

Patent metadata

Field	Value
Publication number	US-10648531-B2
Application number	US-201515524560-A
Country	US
Kind code	B2
Filing date	Oct 16, 2015
Priority date	Nov 6, 2014
Publication date	May 12, 2020
Grant date	May 12, 2020

Abstract

A hybrid module for a motor vehicle power train, including an input side for connecting to an internal combustion engine, an output side for connecting to a drive wheel, an electric drive motor comprising a stator and a rotor and a torque transfer device arranged between the roto and the output side. The transfer device is designed to reduce rotational irregularity.

First claim

The invention claimed is:

1. A hybrid module for a power train of a motor vehicle, comprising:
an input side for connection to an internal combustion engine;
an output side for connection to a drive wheel;
an electrical drive motor including a stator and a rotor;
a first torque transfer device including a first centrifugal pendulum connected to the rotor and including a first pendulum mass; and,
a second torque transfer device, wherein the first centrifugal pendulum is between the rotor and the output side and is connected to the output side; wherein the second torque transfer device includes a torsion damper with an elastic element; and, wherein the torsion damper is located between the input side and the first torque transfer device and is connected to the input side.

2. The hybrid module of claim 1 further comprising:
a second torque transfer device; and,
a separable coupling, wherein the second torque transfer device includes a centrifugal pendulum located between the input side and the separable coupling and connected to the separable coupling.

3. The hybrid module of claim 1 , further comprising:
a second torque transfer device; and,
a separable coupling, wherein:
the second torque transfer device includes:
a torsion damper with an elastic element; and,
a second centrifugal pendulum;

the torsion damper is located between the input side and the second centrifugal pendulum and connected to the input side and the second centrifugal pendulum; and,
the second centrifugal pendulum is located between the torsion damper and the separable coupling and is connected to the torsion damper and the separable coupling.

4. A method of using the hybrid module recited in claim 1 , comprising:
connecting the input side to the internal combustion engine;
connecting the output side to the drive wheel;
connecting a separable coupling to the input side and the rotor;
closing the separable coupling;
flowing first torque from the internal combustion engine to the output side through, in sequence, the separable coupling, the rotor and the first centrifugal pendulum; and,
reducing, with the first centrifugal pendulum, first rotational oscillations at the output side.

5. A method of using the hybrid module recited in claim 1 , the method comprising:
connecting the input side to the internal combustion engine;
connecting the output side to the drive wheel;
connecting a separable coupling to the second torque transfer device and the rotor;
closing the separable coupling;
flowing torque from the internal combustion engine to the output side through, in sequence, the torsion damper, the separable coupling, the rotor, and the first centrifugal pendulum; and,
reducing, with the torsion damper, and the first centrifugal pendulum, rotational oscillations at the output side.

6. A hybrid module for a power train of a motor vehicle, comprising:
an input side for connection to an internal combustion engine;
an output side for connection to a drive wheel;
an electrical drive motor including a stator and a rotor;
a separable coupling located between the input side and the rotor and connected to the rotor;
a torsion damper with an elastic element, the torsion damper located between the input side and the separable coupling and connected to the input side;
a first centrifugal pendulum including a first pendulum mass, the first centrifugal pendulum located between the torsion damper and separable coupling and connected to the torsion damper and the separable coupling; and,
a second centrifugal pendulum located between the rotor and the output side and connected to the rotor and the output side.

7. A hybrid module for a power train of a motor vehicle, comprising:
an input side for connection to an internal combustion engine;
an output side for connection to a drive wheel;
an electrical drive motor including a stator and a rotor;
a first torque transfer device including a first torsion damper with a first elastic element, the first torsion damper between the rotor and the output side and connected to the rotor; and,
a centrifugal pendulum connected to the rotor and in parallel to the first torsion damper.

8. The hybrid module of claim 7 , further comprising:
a second torsion damper with a second elastic element, the second torsion damper located between the first torsion damper and the output side and connected to the output side; and,
a flange located between the first torsion damper and the second torsion damper and connected to the first torsion damper and the second torsion damper.

9. A method of using the hybrid module recited in claim 8 , comprising:
connecting the input side to the internal combustion engine;
connecting the output side to the drive wheel;
connecting a separable coupling to the input side and the rotor;
closing the separable coupling;
flowing torque from the internal combustion engine to the output side through, in sequence, the separable coupling, the rotor, the first torsion damper, the flange, and the second torsion damper; and,
reducing, with the first torsion damper, and the second torsion damper, rotational oscillations at the output side.

10. The hybrid module of claim 7 , further comprising:
a second torsion damper with a second elastic element; and,
a flange, wherein:
the second torsion damper is located between the first torsion damper and the output side and is connected to the output side; and,
the flange is located between the first torsion damper and the second torsion damper and is connected to the first torsion damper and the second torsion damper.

11. A method of using the hybrid module recited in claim 10 , comprising:
connecting the input side to the internal combustion engine;
connecting the output side to the drive wheel;
connecting a separable coupling to the input side and the rotor;
closing the separable coupling;
flowing torque from the internal combustion engine to the output side through, in sequence, the separable coupling, the rotor, the first torsion damper, the flange, and the second torsion damper; and,
reducing, with the centrifugal pendulum, the first torsion damper, and the second torsion damper, rotational oscillations at the output side.

12. A method of using the hybrid module recited in claim 7 , comprising:
connecting the input side to the internal combustion engine;
connecting the output side to the drive wheel;
connecting the first torsion damper to the output side;
connecting a separable coupling to the input side and the rotor;
closing the separable coupling;
flowing first torque from the internal combustion engine to the output side through, in sequence, the separable coupling, the rotor and the first torsion damper; and,
reducing, with the first torsion damper, first rotational oscillations at the output side.

Assignees

• Schaeffler Technologies Ag

Inventors

• Maienschein Stephan
• Degler Mario

Classifications

• F16F15/13476

  resulting in a staged spring characteristic, e.g. with multiple intermediate plates · CPC title

• F16D13/52 Primary

  Clutches with multiple lamellae {; Clutches in which three or more axially moveable members are fixed alternately to the shafts to be coupled and are pressed from one side towards an axially-located member (F16D13/385 takes precedence)} · CPC title

• F16F15/145

  Masses mounted with play with respect to driving means thus enabling free movement over a limited range · CPC title

• F16D3/12

  specially adapted for accumulation of energy to absorb shocks or vibration (by making use of fluid elements F16D3/80) · CPC title

• Y10S903/902

  Prime movers comprising electrical and internal combustion motors · CPC title