Sep 22, 2026

US12741527 - Electrified military vehicle

A front end accessory drive (FEAD) for a military vehicle. The FEAD includes a first belt, a second belt, multiple accessories, an electric motor-generator, at least one other accessory, and a sprag clutch. The accessories and the electric motor-generator are coupled with the first belt. The at least one other accessory, the first belt, and the second belt are coupled with the sprag clutch. The second belt is configured to couple with an output shaft of an engine of the military vehicle and be driven by the output shaft of the engine to drive the sprag clutch. The sprag clutch is thereby configured to drive the at least one other accessory and the first belt, and the first belt is thereby configured to drive the plurality of accessories, and the electric motor-generator.

Assignee: Oshkosh Defense, LLC
Inventors: Chad Smith, Mitchel Nordahl, Mikel Ullman, Jessica Szymanski, Bradon Zeitler
Filing date: 2024-05-08

The patent describes a front end accessory drive (FEAD) system for military vehicles that integrates multiple belts and accessories with an electric motor-generator and a sprag clutch. This configuration allows the primary mover of the vehicle to efficiently drive various accessories through a coordinated belt system.

Claim 1

1 . A front end accessory drive (FEAD) for a military vehicle, the FEAD comprising: a frame; a first belt positioned on a first side the frame; a second belt positioned on a second side of the frame, the frame positioned between the first belt and the second belt; a first accessory coupled with the first belt; and a second accessory; wherein the second accessory, the first belt, and the second belt are coupled with a clutch; and wherein the second belt is coupled with a primary mover such that the primary mover is configured to drive the first accessory through the second belt, the clutch, and the first belt. a frame; a first belt positioned on a first side the frame; a second belt positioned on a second side of the frame, the frame positioned between the first belt and the second belt; a first accessory coupled with the first belt; and a second accessory; wherein the second accessory, the first belt, and the second belt are coupled with a clutch; and wherein the second belt is coupled with a primary mover such that the primary mover is configured to drive the first accessory through the second belt, the clutch, and the first belt.

Google Patents

https://patents.google.com/patent/US12741527

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12741527