US 11,833,924 B2
Method and apparatus for an active convertor dolly
Brian Layfield, Oakville (CA); and Amir Khajepour, Waterloo (CA)
Assigned to ELECTRANS TECHNOLOGIES LTD., Oakville (CA)
Filed by Electrans Technologies, Ltd., Oakville (CA)
Filed on Apr. 20, 2022, as Appl. No. 17/724,990.
Application 17/724,990 is a continuation of application No. 16/560,528, filed on Sep. 4, 2019, granted, now 11,338,698.
Application 16/560,528 is a continuation of application No. 15/608,098, filed on May 30, 2017, granted, now 10,449,954, issued on Oct. 22, 2019.
Prior Publication US 2022/0242273 A1, Aug. 4, 2022
Int. Cl. B62D 53/08 (2006.01); B62D 59/04 (2006.01); B60W 10/08 (2006.01); B60L 58/12 (2019.01); B60W 30/02 (2012.01); B60W 10/18 (2012.01); B60W 30/18 (2012.01); B60K 7/00 (2006.01); B62D 1/16 (2006.01); B60L 50/64 (2019.01); B60L 15/20 (2006.01); B60L 7/18 (2006.01); B60L 15/32 (2006.01); B60K 1/04 (2019.01); B60L 58/15 (2019.01); B60L 50/60 (2019.01); B60L 58/26 (2019.01); B60L 58/13 (2019.01); B60L 3/00 (2019.01); B60L 50/16 (2019.01)
CPC B60L 58/12 (2019.02) [B60K 1/04 (2013.01); B60K 7/0007 (2013.01); B60L 3/0015 (2013.01); B60L 7/18 (2013.01); B60L 15/20 (2013.01); B60L 15/2009 (2013.01); B60L 15/2036 (2013.01); B60L 15/32 (2013.01); B60L 50/16 (2019.02); B60L 50/60 (2019.02); B60L 50/64 (2019.02); B60L 58/13 (2019.02); B60L 58/15 (2019.02); B60L 58/26 (2019.02); B60W 10/08 (2013.01); B60W 10/18 (2013.01); B60W 30/02 (2013.01); B60W 30/18036 (2013.01); B62D 1/16 (2013.01); B62D 53/0864 (2013.01); B62D 59/04 (2013.01); B60K 2001/0405 (2013.01); B60K 2007/0038 (2013.01); B60K 2007/0092 (2013.01); B60L 2200/28 (2013.01); B60L 2200/36 (2013.01); B60L 2220/46 (2013.01); B60L 2240/12 (2013.01); B60L 2240/423 (2013.01); B60L 2240/44 (2013.01); B60L 2240/461 (2013.01); B60L 2240/54 (2013.01); B60L 2240/80 (2013.01); B60L 2250/10 (2013.01); B60W 2510/083 (2013.01); B60W 2510/244 (2013.01); B60W 2520/10 (2013.01); B60W 2540/10 (2013.01); B60W 2710/083 (2013.01); B60W 2710/244 (2013.01); B60W 2720/10 (2013.01); B60Y 2200/14 (2013.01); B60Y 2200/147 (2013.01)] 39 Claims
OG exemplary drawing
 
1. An active converter dolly comprising:
a frame portion including a trailer/truck connecting portion and a trailer connecting portion, the trailer connecting portion comprising a fifth wheel configured to receive a fifth wheel connector of a semi-trailer;
a first wheel rotatably coupled to the frame portion and disposed on a first side of the frame portion;
a second wheel rotatably coupled to the frame portion and disposed on a second side of the frame portion opposite to the first wheel;
a first motor operably coupling the first wheel to the frame portion;
a second motor operably coupling the second wheel to the frame portion;
and
a controller operably coupled, independently, to the first motor and to the second motor;
wherein:
the first motor is operable, via the controller, in at least a drive mode for providing torque to the first wheel; and
the second motor is operable, via the controller, in at least a drive mode for providing torque to the second wheel.