Damping member support and powertrain assembly for a work vehicle

Patent metadata

Field	Value
Publication number	US-10823231-B2
Application number	US-201816142688-A
Country	US
Kind code	B2
Filing date	Sep 26, 2018
Priority date	Sep 26, 2018
Publication date	Nov 3, 2020
Grant date	Nov 3, 2020

Abstract

A damping member support for non-torsional force bypass around a torsional damping member includes a damping member engagement portion configured to be coupled to the torsional damping member and an intermediate portion configured to transmit a non-torsional force between a shaft and the torsional damping member.

First claim

What is claimed is:

1. A damping member support for non-torsional force bypass around a torsional damping member, the support comprising:
a shaft engagement portion configured to be rotatably coupled to a shaft transmitting a torsional force;
a damping member engagement portion configured to be coupled to the torsional damping member; and
an intermediate portion disposed between the shaft engagement portion and the damping member engagement portion and configured to transmit a non-torsional force between the shaft and the torsional damping member.

2. The damping member support of claim 1 , wherein the shaft is configured to be coupled to a first portion of the torsional damping member.

3. The damping member support of claim 2 , wherein the damping member engagement portion is configured to be coupled to a second portion of the torsional damping member disposed radially outward from the first portion of the torsional damping member.

4. The damping member support of claim 3 , wherein the second portion of the torsional damping member is coupled to a flywheel.

5. The damping member support of claim 3 , wherein the first portion of the torsional damping member is rotatable relative to the second portion of the torsional damping member.

6. The damping member support of claim 1 , further comprising a bearing member disposed at the shaft engagement portion to allow relative rotation between the damping member support and the shaft.

7. The damping member support of claim 1 , wherein the intermediate portion comprises a plurality of connecting members extending axially from the shaft engagement portion to the damping member engagement portion.

8. A powertrain assembly for a work vehicle, the assembly comprising:
an engine having a flywheel configured to provide torsional force for the work vehicle;
a powertrain component receiving the torsional force from the engine;
a shaft disposed between the flywheel of the engine and the powertrain component, the shaft transferring the torsional force between the flywheel and the powertrain component;
a torsional damping member coupled to the flywheel and the shaft to transfer the torsional force between the flywheel and the shaft through the torsional damping member; and
a damping member support having a damping member engagement portion coupled to the torsional damping member and an intermediate portion transmitting a non-torsional force between the shaft and the torsional damping member;
wherein the damping member support further includes a shaft engagement portion rotatably coupled to the shaft, the intermediate portion disposed between the shaft engagement portion and the damping member engagement portion.

9. The assembly of claim 8 , further comprising a bearing member disposed at the shaft engagement portion such that the damping member support is rotatable relative to the shaft.

10. The assembly of claim 8 , wherein the intermediate portion comprises a plurality of connecting members extending axially from the shaft engagement portion to the damping member engagement portion.

11. The assembly of claim 8 , wherein the torsional damping member comprises a first portion and a second portion disposed radially outward from the first portion.

12. The assembly of claim 11 , wherein the shaft is coupled to the first portion of the torsional damping member.

13. The assembly of claim 11 , wherein the damping member engagement portion of the torsional damping member is coupled to the second portion of the torsional damping member.

14. The assembly of claim 11 , wherein the second portion of the torsional damping member is coupled to the flywheel.

15. The assembly of claim 8 , wherein the powertrain component is a transmission.

16. A powertrain assembly for a work vehicle, the assembly comprising:
an engine having a flywheel configured to provide torsional force for the work vehicle;
a powertrain component receiving the torsional force from the engine;
a shaft disposed between the flywheel of the engine and the powertrain component, the shaft transferring the torsional force between the flywheel and the powertrain component;
a torsional damping member coupled to the flywheel and the shaft to transfer the torsional force between the flywheel and the shaft through the torsional damping member; and
a damping member support having a damping member engagement portion coupled to the torsional damping member and an intermediate portion transmitting a non-torsional force between the shaft and the torsional damping member;
wherein the torsional damping member comprises a first portion and a second portion disposed radially outward from the first portion; and
wherein the first portion of the torsional damping member is rotatable relative to the second portion of the torsional damping member.

17. A powertrain assembly for a work vehicle, the assembly comprising:
an engine having a flywheel configured to provide torsional force for the work vehicle;
a powertrain component receiving the torsional force from the engine;
a shaft disposed between the flywheel of the engine and the powertrain component, the shaft transferring the torsional force between the flywheel and the powertrain component;
a torsional damping member coupled to the flywheel and the shaft to transfer the torsional force between the flywheel and the shaft through the torsional damping member; and
a damping member support having a damping member engagement portion coupled to the torsional damping member and an intermediate portion transmitting a non-torsional force between the shaft and the torsional damping member;
wherein the torsional damping member comprises a first portion and a second portion disposed radially outward from the first portion; and
wherein the shaft and the first portion of the torsional damping member are configured to transmit a torsional force therebetween, and the damping member support and the second portion of the torsional damping member are configured to transmit a non-torsional force therebetween.

Assignees

• Deere & Co

Inventors

• Merrill Bradley A
• Schott Allan N

Classifications

• F16F15/1207 Primary

  characterised by the supporting arrangement of the damper unit (F16F15/1238, F16F15/13164 take precedence) · CPC title

• F16D3/04

  specially adapted to allow radial displacement, e.g. Oldham couplings · CPC title

• F16F15/30

  Flywheels (F16F15/16, F16F15/28 take precedence; suppression of vibrations in rotating systems using elastic members or friction-damping members moving with the system, {i.e. split flywheels or single masses connected to a hub by elastic members or friction-damping members} F16F15/12; rotary-body aspects in general F16C13/00, F16C15/00) · CPC title

• F16D3/06 Primary

  specially adapted to allow axial displacement · CPC title

• F16F15/16

  using a fluid {or pasty material}(F16F9/53, F16F15/13157 take precedence; devices connecting input and output members F16D) · CPC title