air brakes
Truck stopping system
Air brakes are a braking system that uses compressed air rather than hydraulic fluid to operate.
Standard on heavy vehicles like trucks, buses, and trains, they're more powerful and reliable for large loads.
Unlike hydraulic brakes, air brakes fail safely—if pressure is lost, springs engage to stop the vehicle.
The truck driver pumped the air brakes on the downgrade.
Pressure-increasing mechanical device
- pneumaticUsing pressurized gas
- pressureForce upon contact
- valveFluid flow controller
- actuatorDevice producing controlled motion
chamber · reservoir · gladhand · drum · disc · diaphragm · modulator · relay
Large freight truck
- trailerPromotional film excerpt
- rigEquipment arrangement or vehicle
- eighteen-wheelerLarge cargo transport vehicle
- articulatedHaving segments that bend
lorry · freightliner · cabover · haulage · jackknife · runaway truck · weigh station · CDL
Ceasing to continue
- slowdownReduction in pace
- braking forceResistance opposing motion
- compressionForcing into smaller space
- frictionResistance between touching surfaces
drag · resistance · momentum · kinetic energy · squeal · screech · hiss · jolt
Track system for trains
- locomotiveRailway pulling machine
- freight carTrain vehicle for goods
- carriageWheeled passenger vehicle
- WestinghouseAmerican industrial inventor
emergency cord · consist · boxcar · tanker · passenger car · handbrake · railcar
Automatic harm prevention mechanism
- emergency stopInstant shutdown mechanism
- backup systemReserve for primary failure
- redundancyNeedless duplication
- reliabilityConsistent, predictable performance
alarm · inspection · maintenance · protection · hazard prevention
compressor
Pressure-increasing mechanical device
actuator · chamber · reservoir · gladhand · drum · disc · diaphragm · modulator · relay · hose
semi
Large freight truck
- trailerPromotional film excerpt
- rigEquipment arrangement or vehicle
- eighteen-wheelerLarge cargo transport vehicle
articulated · lorry · freightliner · cabover · haulage · jackknife · runaway truck · weigh station · CDL
stopping
Ceasing to continue
- slowdownReduction in pace
- braking forceResistance opposing motion
- compressionForcing into smaller space
friction · drag · resistance · momentum · kinetic energy · squeal · screech · hiss · jolt · retardation
railway
Track system for trains
- locomotiveRailway pulling machine
- freight carTrain vehicle for goods
- carriageWheeled passenger vehicle
Westinghouse · emergency cord · consist · boxcar · tanker · passenger car · handbrake · railcar
fail-safe
Automatic harm prevention mechanism
- emergency stopInstant shutdown mechanism
- backup systemReserve for primary failure
- redundancyNeedless duplication
reliability · alarm · inspection · maintenance · protection · hazard prevention
- trainstrains, train, locomotive, locomotives, steam locomotive
- school busesschool bus, school buses, yellow bus, yellow buses, bus driver
- train soundschoo-choo, chug, chugging, clickety-clack, clack
- vehicle partsengine, tires, wheels, axle, axles
- automotive engineeringpowertrain, drivetrain, engine design, suspension systems, transmissions
- fluid systemspumps, valves, pipes, hydraulic systems, fluid flow
air brakeshydraulic brakes
Fluid-actuated vehicle stopping mechanism
disc brakes · drum brakes · regenerative brakes · engine braking · hand brake