Torsional damping assembly

• US 20080153656A1
• Filed: 12/20/2006
• Published: 06/26/2008
• Est. Priority Date: 12/20/2006
• Status: Abandoned Application

• Current Assignee: Caterpillar Incorporated
• Original Assignee: Caterpillar Incorporated
• Inventors: Winzeler, James E., Nerstad, Karl A.
• Application Number:
  US11/642,300
• Publication Number:
  US 20080153656A1
• Time in Patent Office: Days
• US Class Current: 475/331
• CPC Class Codes: F16F 15/123 Wound springs F16F15/1213, F16F15/1216, F16F15/127 take precedence
• CPC Class Codes: F16H 57/08 of gearings with members having orbital motion

Abstract

A torsional damping assembly is disclosed. The assembly includes an input member; a planetary gear assembly including a ring gear member, a carrier member, a sun gear member, and a torsional coupling; an output member and a stationary member. The input member is operably coupled to one of the planetary gear members. The torsional coupling in operably coupled to one of the planetary gear members and the stationary member. The output member is operably coupled to one of the planetary gear members.

Claims

1. A torsional dampening assembly including;

a planetary gear assembly including a ring gear member, a carrier member, a planet gear member and a sun gear member,

an input member operably coupled to one of the ring gear member, the carrier member and the sun gear member,

an output member operably coupled to one of the ring gear member, the carrier member and the sun gear member,

a torsional coupling operably coupled to one of the ring gear member, the carrier member and the sun gear member, and operably coupled to a stationary member.

2. The assembly of claim 1, wherein the input member is operably coupled to the carrier member, the torsional coupling is operably coupled to the ring gear member, and the output member is operably coupled to the sun gear member.

3. The assembly of claim 1, wherein the input member is operably coupled to the carrier member, the torsional coupling is operably coupled to the sun gear member, and the output member is operably coupled to the ring gear member.

4. The assembly of claim 1, wherein the input member is operably coupled to the ring gear member, the torsional coupling is operably coupled to the carrier member, and the output member is operably coupled to the sun gear member.

5. The assembly of claim 1, wherein the input member is operably coupled to the ring gear member, the torsional coupling is operably coupled to the sun gear member, and the output member is operably coupled to the carrier member.

6. The assembly of claim 1, wherein the input member is operably coupled to the sun gear member, the torsional coupling is operably coupled to the ring gear member, and the output member is operably coupled to the carrier member.

7. The assembly of claim 1, wherein the input member is operably coupled to the sun gear member, the torsional coupling is operably coupled to the carrier member, and the output member is operably coupled to the ring gear member.

8. The assembly of claim 1, wherein the torsional coupling is operably coupled to the casing.

9. The assembly of claim 1, wherein the torsional coupling is operably coupled to a work machine frame.

10. The assembly of claim 1, wherein the torsional coupling is a helical spring torsional coupling.

11. The assembly of claim 1, wherein the torsional coupling is a shock absorber torsional coupling.

12. The assembly of claim 1, wherein the torsional coupling is a flexible material torsional coupling.

13. A work machine power train including;

a planetary gear assembly including a ring gear member, a carrier member and a sun gear member,

a prime mover operably coupled through an input member to one of the ring gear member, the carrier member and the sun gear member,

a load operably coupled through an output member to one of the ring gear member, the carrier member and the sun gear member,

a torsional coupling operably coupled to one of the ring gear member, the carrier member and the sun gear member, and operably coupled to a stationary member.

14. The power train of claim 13, wherein the prime mover is operably coupled to the carrier member, the torsional coupling is operably coupled to the ring gear member, and the load is operably coupled to the sun gear member.

15. The power train of claim 13, wherein the prime mover is operably coupled to the carrier member, the torsional coupling is operably coupled to the sun gear member, and the load is operably coupled to the ring gear member.

16. The power train of claim 13, wherein the prime mover is operably coupled to the ring gear member, the torsional coupling is operably coupled to the carrier member, and the load is operably coupled to the sun gear member.

17. The power train of claim 13, wherein the prime mover is operably coupled to the ring gear member, the torsional coupling is operably coupled to the sun gear member, and the load is operably coupled to the carrier member.

18. The power train of claim 13, wherein the prime mover is operably coupled to the sun gear member, the torsional coupling is operably coupled to the ring gear member, and the load is operably coupled to the carrier member.

19. The power train of claim 13, wherein the prime mover is operably coupled to the sun gear member, the torsional coupling is operably coupled to the carrier member, and the load is operably coupled to the ring gear member.