Super elastic shape memory alloys based solid-state vibration isolation elements for electric drivetrains
AssigneeGM Global Technology Operations LLC
InventorsNilesh D. Mankame, Nitish Jayaram Wagh, Dennis J. Kinchen, Sam Mohamed Jomaa, Wojciech Edward Suchta
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Abstract
A vibration isolation component and vibration isolation system for a drivetrain as well as a method of isolation vibration in a drivetrain. At least one of a drivetrain bracket and a bushing inserted into an end of the drivetrain bracket is a vibration isolation element and includes a super elastic shape memory alloy element. The drivetrain bracket is affixed to an electric drivetrain and the bushing is connected a chassis.
Claims18
A vibration isolation system for a drivetrain, comprising:
- a drivetrain bracket including a first end and a second end, wherein the first end is connected to an electric drive train and the second end defines an opening;
- a bushing inserted into the second end of the drivetrain bracket, wherein the periphery of the bushing is received in the opening;
- and
- a mounting bracket connected to a chassis and the bushing, wherein the drivetrain bracket includes a first super elastic shape memory alloy element in the form of a ring, and wherein the ring is enlarged by the insertion of the bushing into the opening.
A vibration isolation component for a vehicle, comprising:
- a drivetrain bracket including a first end, a second end, and a central portion between the first end and the second end, wherein the first end is connected to an electric drivetrain;
- an opening defined in the second end of the drivetrain bracket, wherein a bushing is received in the opening;
- a mounting bracket connected to a chassis and the bushing;
- and
- a first super elastic shape memory alloy element integrated with the drivetrain bracket,
- wherein the first super elastic shape memory alloy element is in the form of a ring, wherein the ring is enlarged by the insertion of the bushing into the opening.
Dependencies are inferred from the claim text.