Oshkosh Defense, LLC

Deepak Shukla

Nader Nasr

Chad K Smith

Bradon Zeitler

Rachell Harsh

Jessica Szymanski

Ed Trinklein

Mike J Bolton

Neil Dekarske

Shawn Naglik

Mitchel Nordahl

Mikel Ullman

Ryan Crabtree

Dave Marek

Tim Voight

Michael Koenigs

Mike Yanacek

Matt Mathison

Evan Schertz

Joseph Dehaan

Rongjun Zhang

Ron Zhang

David Hansen

Aaron J Rositch

A military vehicle includes a front axle, a rear axle, and a driveline. The driveline includes an engine, an energy storage system, an accessory drive coupled to the engine, a second motor coupled to at least one of the front axle or the rear axle, and a clutch positioned between the engine and the second motor. The accessory drive includes a first motor and a plurality of accessories. The first motor is electrically coupled to the energy storage system. The plurality of accessories include an air compressor. The second motor electrically is coupled to the energy storage system. The clutch is spring-biased into engagement with the engine and pneumatically disengaged by an air supply selectively provided thereto based on operation of the air compressor. The first motor is configured to drive the air compressor to pneumatically disengage the clutch to decouple the second motor from the engine.

Electrified military vehicle

A military vehicle includes a passenger cabin having a tunnel extending along at least a portion of a bottom thereof, a bed positioned behind the passenger cabin, a battery system positioned within the bed, and a driveline. The driveline includes an engine positioned forward of the passenger cabin, one or more accessories coupled to the engine, and a motor/generator coupled to the engine and electrically coupled to the battery system. The motor/generator is at least partially positioned within the tunnel.

A driveline for a military vehicle includes a driver configured to be positioned between an engine and a transmission. The driver includes a housing, a motor/generator, and a clutch. The housing includes an engine mount configured to couple to the engine and a backing plate configured to couple to the transmission. The motor/generator is disposed within the housing and configured to couple to an input of the transmission. The clutch is disposed within the housing and coupled to the motor/generator. The clutch is configured to selectively couple an output of the engine to the motor/generator.

A military vehicle includes a chassis, a cargo body, and an energy storage system. The chassis includes a passenger capsule having a rear wall. The cargo body is positioned behind the passenger capsule and supported by the chassis. The energy storage system includes a battery housing defining a lower end and an upper end, a battery disposed within the battery housing, a bracket coupled to the battery housing at or proximate the upper end thereof, a lower support supporting the lower end of the battery housing where the lower support is supported by the chassis, and an upper connector extending between the bracket and the rear wall.

A vehicle is operable in three modes of operation. The vehicle includes a first electromagnetic device, a second electromagnetic device electrically coupled to the first electromagnetic device, and an engine coupled to the first electromagnetic device and configured to drive the first electromagnetic device to provide electrical energy. In each of the three modes of operation, whenever the engine drives the first electromagnetic device to provide the electrical energy, the first electromagnetic device operates without providing the electrical energy to an energy storage device.

Drive train for a vehicle

A driveline including a motor/generator configured to receive power from an engine and output power to a tractive element, an accessory drive configured to receive power from the engine and output power to an accessory, and an energy storage system including a battery, the energy storage system electrically coupled to the motor/generator and the accessory drive. The driveline is operable in a charge mode with the motor/generator and the accessory drive providing electrical power to the energy storage system. The driveline is operable in a silent mobility mode with the energy storage system providing electrical power to the motor/generator and the accessory drive to operate the military vehicle.

A military vehicle including an engine coupled to the chassis for providing mechanical power to the military vehicle, a motor/generator coupled to the engine, and an energy storage system including a battery electrically coupled to the motor/generator. The military vehicle is operable in a silent mobility mode with the engine inactive and the energy storage system providing power to the motor/generator to operate the military vehicle. The motor/generator and the battery are sized such that electrical power generation through engine drive of the motor/generator is greater than the power depletion through operation of the military vehicle in the silent mobility mode. The motor/generator can charge the energy storage system while the military vehicle is driving or stationary.

An energy storage system for a military vehicle includes a battery housing defining a lower end and an upper end, a battery disposed within the battery housing, a bracket coupled to the battery housing at or proximate the upper end thereof, a lower support supporting the lower end of the battery housing, and an upper connector extending from the bracket. The upper connector is configured to engage a rear wall of a cab of the military vehicle.

A driveline includes a driver configured to be positioned between an engine and a transmission. The driver includes a housing, a motor/generator, and a clutch. The housing includes an engine mount configured to couple to the engine and a backing plate configured to couple to the transmission. The motor/generator is disposed within the housing and configured to couple to an input of the transmission. The clutch is disposed within the housing and coupled to the motor/generator. The clutch is configured to selectively couple an output of the engine to the motor/generator. The clutch is configured to be spring-biased into engagement with the engine and pneumatically disengaged by an air supply selectively provided thereto.

A military vehicle include a driveline. The driveline includes a first driver including an engine, an energy storage system, an accessory drive coupled to the engine, a transmission coupled to at least one of the front axle or the rear axle, and a second driver coupled to the engine and the transmission. The accessory drive includes a plurality of accessories and a first motor. The first motor is electrically coupled to the energy storage system. The first motor is positioned to facilitate selectively driving the plurality of accessories. The second driver includes a second motor electrically coupled to the energy storage system.

A military vehicle includes a chassis, a front end accessory drive (FEAD), and circuitry. The chassis includes an engine and an integrated motor generator (IMG). The FEAD includes multiple accessories and an electric motor-generator. The circuitry is configured to operate the military vehicle according to different modes. The circuitry is configured to receive a user input indicating a selected mode of the modes, and operate the chassis and the FEAD of the military vehicle according to the selected mode. The modes include an engine mode and an electric mode. In the engine mode, the engine drives the FEAD and the tractive elements of the military vehicle through the IMG for transportation. In the electric mode, the engine is shut off to reduce a sound output of the military vehicle and the IMG drives the tractive elements of the military vehicle for transportation and the electric motor-generator drives the FEAD.

A military vehicle includes an engine, an energy storage system, an accessory drive coupled to the engine and including an air compressor and a first motor, a second motor coupled to an axle, and a clutch positioned between the engine and the second motor. The clutch is spring-biased into engagement with the engine and pneumatically disengaged by an air supply selectively provided thereto based on operation of the air compressor. In an engine mode, (i) the clutch does not receive the air supply such that the engine is coupled to the second motor and (ii) the engine drives (a) the accessory drive and (b) the axle through the second motor. In the electric mode, (i) the first motor drives the air compressor to compress air to facilitate supplying the air supply to the clutch to disengage the clutch and decouple the engine from the second motor and (ii) the second motor drives the axle.

A driveline includes an engine, a transmission configured to couple to an axle of the electrified military vehicle, a tractive motor coupled to the transmission, an engine clutch positioned between the engine and the tractive motor, and an accessory drive. The accessory drive includes an accessory motor, an accessory clutch including a first portion and a second portion, an accessory coupled to the first portion, a first belt coupling the first portion to the accessory motor, and a second belt coupling the second portion to the engine.

A military vehicle includes a chassis, a front axle, a rear axle, an energy storage system, an engine, a transmission, and a motor. The chassis includes a passenger capsule, a front module coupled to a front end of the passenger capsule, and a rear module coupled to a rear end of the passenger capsule. The passenger capsule defines a tunnel extending longitudinally along a bottom thereof. The front module includes a front subframe assembly. The rear module includes a rear subframe assembly. The front axle is coupled to the front subframe assembly. The rear axle is coupled to the rear subframe assembly. The engine is supported by the front subframe assembly. The transmission is positioned within the tunnel and coupled to the front axle and/or the rear axle. The motor is at least partially positioned within the tunnel and positioned between the engine and the transmission.

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Oshkosh, WI, United States of America

Deepak Shukla