A vehicle includes a chassis, a cab coupled to the chassis, a prime mover coupled to the chassis and positioned at least one of beneath or behind the cab, and an accessory drive. The accessory drive includes an accessory and connecting shaft. The accessory is positioned forward of a front of the cab such that the accessory is spaced from the prime mover. The connecting shaft extends from the prime mover, past the front of the cab, and to the accessory. The connecting shaft is positioned to facilitate driving the accessory with the prime mover.

A vehicle includes a chassis, a cab coupled to the chassis, a prime mover coupled to the chassis and positioned at least one of beneath or behind the cab, and an accessory drive. The accessory drive includes an accessory and connecting shaft. The accessory is positioned forward of a front of the cab such that the accessory is spaced from the prime mover. The connecting shaft extends from the prime mover, past the front of the cab, and to the accessory. The connecting shaft is positioned to facilitate driving the accessory with the prime mover.

In an aspect, an isolation device is provided for a belt and a component shaft in an engine. The device includes a hub, a pulley, an isolation spring and a damping member that is fixed rotationally relative to the hub and is engageable frictionally with the pulley. Torque transmission through the spring below a selected non-zero torque, irrespective of hub load on the pulley, drives a change in radius of the helical coils of the spring that is sufficiently small that the spring avoids pressing the damping member against the pulley. Torque transmission through the spring above the selected non-zero torque, irrespective of hub load on the pulley, drives a change in radius of the helical coils that is sufficiently large that the isolation spring applies a radial force to press the damping member against the pulley so as to generate frictional damping.

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.

The embodiments disclose a method including transferring kinetic energy from a kinetic energy source to a flywheel storage device system, transferring all or a portion of the kinetic energy stored to a continually variable transmission planetary gear system, integrating a multiple axis mechanism kinetic energy transference device to the continually variable transmission planetary gear system, integrating multiple speed governors in the multiple axis mechanism kinetic energy transference device, coupling a computer controlled module to each of the speed governors, processing operational data with the computer controlled modules to determine a measured most efficient use of the kinetic energy for each operation, transmitting the operation measured most efficient use amount of the kinetic energy from the computer controlled module to the corresponding speed governor, transferring the amount of the kinetic energy through gears and output shafts/drive shafts to serve operations and storing surplus kinetic energy not needed for operations in the flywheel storage system.

The embodiments disclose a method including transferring kinetic energy from a kinetic energy source to a flywheel storage device system, transferring all or a portion of the kinetic energy stored to a continually variable transmission planetary gear system, integrating a multiple axis mechanism kinetic energy transference device to the continually variable transmission planetary gear system, integrating multiple speed governors in the multiple axis mechanism kinetic energy transference device, coupling a computer controlled module to each of the speed governors, processing operational data with the computer controlled modules to determine a measured most efficient use of the kinetic energy for each operation, transmitting the operation measured most efficient use amount of the kinetic energy from the computer controlled module to the corresponding speed governor, transferring the amount of the kinetic energy through gears and output shafts/drive shafts to serve operations and storing surplus kinetic energy not needed for operations in the flywheel storage system.

Methods and systems are provided for engaging and disengaging an electromagnetic clutch of a two-speed accessory drive of an engine of a vehicle. In one example, a method comprises, responsive to an electrical demand being higher than a threshold electrical demand, operating an electric machine of the vehicle in a motor mode to reduce a speed of a grounding gear of a planetary gear set of a two-speed accessory drive (TSAD) of the vehicle; and engaging an electromagnetic clutch responsive to the speed of the grounding gear reaching a clutch engagement threshold speed.

An engine crank pulley structure disposed at a vehicle front side of a longitudinal engine includes: a front pulley that transmits crank rotational force to the water pump via a belt; a rear pulley that is disposed at a vehicle rear side of the front pulley and transmits a crank rotational force to a compressor via a belt; and a connecting portion that connects the front pulley and the rear pulley, the connecting portion crushing and deforming in a vehicle front-rear direction as a collision load toward the vehicle rear side is applied to it. An outer diameter of the front pulley is smaller than an inner diameter of the rear pulley.

The invention proposes a single-engine, truck-mounted sweeper machine that incorporates systems and devices for an improved power pack mounting mechanism. A propeller shaft mounted at the side of the engine is used to take power from a driven pulley. At the rear end of the propeller shaft a suitable capacity power pack driving the sweeping system is attached. A clutch is introduced between the engine-driven pulley and the power pack, which may be coupled or decoupled as required instead of driving the power pack all the time. The power pack may be activated or deactivated for better component life and to conserve energy. In place of hydraulic pump an electric generator may be substituted. The overall advantage of the invention is that higher power could be provided for effective sweeping function in truck-mounted sweepers, without change in engine capacity or environmental concerns such as emissions.

The invention proposes a single-engine, truck-mounted sweeper machine that incorporates systems and devices for an improved power pack mounting mechanism. A propeller shaft mounted at the side of the engine is used to take power from a driven pulley. At the rear end of the propeller shaft a suitable capacity power pack driving the sweeping system is attached. A clutch is introduced between the engine-driven pulley and the power pack, which may be coupled or decoupled as required instead of driving the power pack all the time. The power pack may be activated or deactivated for better component life and to conserve energy. In place of hydraulic pump an electric generator may be substituted. The overall advantage of the invention is that higher power could be provided for effective sweeping function in truck-mounted sweepers, without change in engine capacity or environmental concerns such as emissions.