A caliper body which has a wheel-side first portion, a vehicle-side second portion, at least one thrust device housing, and at least one bridge connecting the wheel-side first portion to the vehicle-side second portion is provided. The at least one bridge has at least one ventilation opening and at least one conveying channel fluidically connected to the outside of the caliper body through the at least one ventilation opening. The least one ventilation opening directly faces in an axial direction the inside of the caliper body with the outside of the caliper body to direct heat generated inside the caliper body in an outer axial direction towards the outside of the caliper body and conveyed outside by the at least one conveying channel through the at least one ventilation opening.

A thermal management system includes a shaft extending along an axis and configured to rotate in at least one of two different directions about the axis, and a brake system operably coupled with the shaft. The brake system controls a speed of rotation of the shaft in the at least one of the different directions. A first fan structure is operably coupled with the shaft and disposed on a first side of the brake system, and a second fan structure is operably coupled with the shaft and disposed on a second side of the brake structure. One of the first or second fan structures is configured to direct fluid toward the brake system and the other of the first or second fan structures is configured to direct at least some of the fluid away from the brake system to control a temperature of the brake system.

A thermal management system includes a shaft extending along an axis and configured to rotate in at least one of two different directions about the axis, and a brake system operably coupled with the shaft. The brake system controls a speed of rotation of the shaft in the at least one of the different directions. A first fan structure is operably coupled with the shaft and disposed on a first side of the brake system, and a second fan structure is operably coupled with the shaft and disposed on a second side of the brake structure. One of the first or second fan structures is configured to direct fluid toward the brake system and the other of the first or second fan structures is configured to direct at least some of the fluid away from the brake system to control a temperature of the brake system.

A multi-disc brake is provided. The brake can include a radial wear pin cartridge for wear indication. The brake can include an integrated water jacket for cooling.

A cooling system and method for an auxiliary braking device of a hydrogen fuel cell truck, are provided in consideration that auxiliary braking force generated by the regenerative braking of the motor may be unnecessary and the brake resistor may be unnecessary when a sufficient amount of auxiliary braking force is generated alone by the operation of a retarder. A portion of thermal energy generated by the retarder is distributed to a stack cooling system so that the portion of thermal energy is removed by the stack cooling system. Accordingly, due to sufficient cooling of the retarder, a sufficient amount of auxiliary braking force is provided, and the brake resistor that has consumed surplus electrical energy generated by regenerative braking is removed.

A cooling system and method for an auxiliary braking device of a hydrogen fuel cell truck, are provided in consideration that auxiliary braking force generated by the regenerative braking of the motor may be unnecessary and the brake resistor may be unnecessary when a sufficient amount of auxiliary braking force is generated alone by the operation of a retarder. A portion of thermal energy generated by the retarder is distributed to a stack cooling system so that the portion of thermal energy is removed by the stack cooling system. Accordingly, due to sufficient cooling of the retarder, a sufficient amount of auxiliary braking force is provided, and the brake resistor that has consumed surplus electrical energy generated by regenerative braking is removed.

An axle cooling system for a vehicle that has a first axle hydraulic circuit that passes through a first axle assembly, a second axle hydraulic circuit that passes through a second axle assembly, a first pump that circulates axle oil through the first axle hydraulic circuit, a second pump that circulates axle oil through the second axle hydraulic circuit, a first temperature sensor that monitors a first axle temperature of the first axle assembly, and a second temperature sensor that monitors a second axle temperature of the second axle assembly. The first pump and the second pump are independently controlled from one another to circulate axle oil through the corresponding first or second axle hydraulic circuit.

An axle cooling system for a vehicle that has a first axle hydraulic circuit that passes through a first axle assembly, a second axle hydraulic circuit that passes through a second axle assembly, a first pump that circulates axle oil through the first axle hydraulic circuit, a second pump that circulates axle oil through the second axle hydraulic circuit, a first temperature sensor that monitors a first axle temperature of the first axle assembly, and a second temperature sensor that monitors a second axle temperature of the second axle assembly. The first pump and the second pump are independently controlled from one another to circulate axle oil through the corresponding first or second axle hydraulic circuit.

A thermal management system includes a shaft extending along an axis and configured to rotate in at least one of two different directions about the axis, and a brake system operably coupled with the shaft. The brake system controls a speed of rotation of the shaft in the at least one of the different directions. A first fan structure is operably coupled with the shaft and disposed on a first side of the brake system, and a second fan structure is operably coupled with the shaft and disposed on a second side of the brake structure. One of the first or second fan structures is configured to direct fluid toward the brake system and the other of the first or second fan structures is configured to direct at least some of the fluid away from the brake system to control a temperature of the brake system.

A thermal management system includes a shaft extending along an axis and configured to rotate in at least one of two different directions about the axis, and a brake system operably coupled with the shaft. The brake system controls a speed of rotation of the shaft in the at least one of the different directions. A first fan structure is operably coupled with the shaft and disposed on a first side of the brake system, and a second fan structure is operably coupled with the shaft and disposed on a second side of the brake structure. One of the first or second fan structures is configured to direct fluid toward the brake system and the other of the first or second fan structures is configured to direct at least some of the fluid away from the brake system to control a temperature of the brake system.