US 11,987,277 B2
Electric rail vehicle
Matthew Soule, Culver City, CA (US); John Howard, Culver City, CA (US); Benjamin Stuart Stabler, Culver City, CA (US); and Brian Ignaut, Culver City, CA (US)
Assigned to Parallel Systems, Inc., Culver City, CA (US)
Filed by Parallel Systems, Inc., Culver City, CA (US)
Filed on Apr. 20, 2022, as Appl. No. 17/724,680.
Application 17/724,680 is a continuation of application No. 17/410,919, filed on Aug. 24, 2021, granted, now 11,338,833.
Application 17/410,919 is a continuation of application No. 17/335,732, filed on Jun. 1, 2021, granted, now 11,325,624, issued on May 10, 2022.
Claims priority of provisional application 63/032,196, filed on May 29, 2020.
Prior Publication US 2022/0242469 A1, Aug. 4, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B61L 27/30 (2022.01); B61B 13/00 (2006.01); B61C 3/00 (2006.01); B61D 3/20 (2006.01); B61L 27/40 (2022.01)
CPC B61L 27/30 (2022.01) [B61B 13/00 (2013.01); B61C 3/00 (2013.01); B61D 3/20 (2013.01); B61L 27/40 (2022.01)] 8 Claims
OG exemplary drawing
 
1. A system comprising:
a first rail drone comprising:
a first rail platform;
a first set of brakes mounted to the rail platform;
a bumper mounted to the rail platform;
a first computing system coupled to the bumper and configured to autonomously control actuation of the first set of brakes based on a contact force at the bumper.