Patent ID: 11912516
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H | IPC B  H

Claim 0:
1. A system comprising:
a track having a first portion at a first elevation, a second portion at a second elevation, and a third portion that forms a downward ramp between the first portion and the second portion;
a first electromagnet disposed along the first portion of the track;
a second electromagnet disposed along the second portion of the track;
a shuttle comprising a permanent magnet configured to interact with the first electromagnet and the second electromagnet to propel the shuttle along the track, wherein the shuttle comprises an onboard conveyor;
a first aluminum block disposed along the third portion of the track;
a second aluminum block disposed adjacent to the first aluminum block; and
a third aluminum block disposed adjacent to the second aluminum block;
wherein a combined length of the first aluminum block, the second aluminum block, and the third aluminum block is equal to a length of the first electromagnet; and
wherein the first aluminum block, the second aluminum block, and the third aluminum block create a repulsive force opposite a direction of travel of the shuttle.