US 12,129,049 B2
Transmission arrangement for an electric pushback vehicle
Trevor Douglas Roebuck, Evans, GA (US); Brian Wallace Yoder, Woodstock, GA (US); Patrick Dwaine Warden, Grovetown, GA (US); Chase Cherek Schofield, Martinez, GA (US); Robert Charles Bradley, Augusta, GA (US); Anthony Christopher Morris, Marietta, GA (US); Joshua David Barnes, Atlanta, GA (US); William Cole Koster, Atlanta, GA (US); Ian Kendall Balk, Atlanta, GA (US); and James Chandler Liggett, Statesboro, GA (US)
Assigned to Textron Inc., Providence, RI (US)
Appl. No. 17/768,308
Filed by Textron Inc., Providence, RI (US)
PCT Filed Oct. 13, 2020, PCT No. PCT/US2020/055331
§ 371(c)(1), (2) Date Apr. 12, 2022,
PCT Pub. No. WO2021/076477, PCT Pub. Date Apr. 22, 2021.
Claims priority of provisional application 62/914,960, filed on Oct. 14, 2019.
Prior Publication US 2024/0101274 A1, Mar. 28, 2024
Int. Cl. B60K 1/04 (2019.01); B60K 17/10 (2006.01); B60L 50/60 (2019.01); B64F 1/225 (2024.01)
CPC B64F 1/225 (2013.01) [B60K 1/04 (2013.01); B60K 17/10 (2013.01); B60L 50/66 (2019.02); B60K 2001/0411 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An electric pushback vehicle comprising:
a frame having a forward portion and a rear portion;
a front drive axle configured to communicate power to ground engaging members;
a rear drive axle configured to communicate power to ground engaging members;
a traction battery;
an electric motor having an output shaft, wherein the electric motor is configured to rotate the output shaft in response to power received from the traction battery;
a transmission configured to communicate mechanical power generated by the electric motor to one or more of the front drive axle and the rear drive axle;
a bellhousing coupled to the transmission, the bellhousing including a first end having an aperture configured to receive the output shaft of the electric motor and a second end configured to be secured to the transmission;
a torque converter connected to communicate mechanical power generated by the electric motor to the transmission; and
one or more components configured to connect the output shaft of the electric motor to the torque converter, wherein the one or more components include:
a flange coupler that includes a female spline configured to receive a male spline on the output shaft; and
an adapter ring connected to the flange coupler and to the torque converter to provide power from the output shaft to the torque converter.