hydraulic fluid
Pressure-transmitting oil
Hydraulic fluid is the liquid used in hydraulic systems to transmit force and motion.
It flows through pumps, valves, and cylinders to operate machinery—from car brakes to construction equipment.
The fluid must resist compression, lubricate moving parts, and withstand temperature extremes.
Common types include mineral oil, synthetic fluids, and water-based formulations.
Fluid's flow resistance
- actuatorDevice producing controlled motion
- cylinderCircular-based solid form
- pumpFluid-moving machine
- valveFluid flow controller
reservoir · filtration · seals · accumulator · servo · flow rate · leakage · solenoid
Slippery viscous fluid
- syntheticProduced artificially, not natural
- mineralNaturally formed crystalline solid
- esterAlkoxy-substituted acid derivative
- glycolTwo-hydroxyl alcohol compound
biodegradable · fire-resistant · detergent · flash point · ATF
Fluid's flow resistance
- lubricitySmoothness reducing friction
- compressibilityVolume reduction potential
- heat transferMovement of thermal energy
- coolingLosing thermal energy
Machine that digs earth
- backhoeHinged-arm excavating machine
- bulldozerBladed vehicle pushing earth
- craneLifter or wader
- loaderOne who fills containers
forklift · hoist · jack · brake system · steering · landing gear · lift · conveyor
Introduction of impurities
- filtrationSeparating solids from liquids
- flushingWashing by water surge
- drainingDepleting one's reserves
- refillingRestoring to capacity
leak detection · water contamination · degradation · disposal · recycling · spill cleanup · compatibility
viscosity
Fluid's flow resistance
valve · reservoir · filtration · seals · accumulator · servo · flow rate · leakage · solenoid · cavitation
oil
Slippery viscous fluid
- syntheticProduced artificially, not natural
- mineralNaturally formed crystalline solid
- esterAlkoxy-substituted acid derivative
glycol · biodegradable · fire-resistant · detergent · flash point · ATF
viscosity
Fluid's flow resistance
- lubricitySmoothness reducing friction
- compressibilityVolume reduction potential
- heat transferMovement of thermal energy
excavator
Machine that digs earth
loader · forklift · hoist · jack · brake system · steering · landing gear · lift · conveyor · tractor
contamination
Introduction of impurities
- filtrationSeparating solids from liquids
- flushingWashing by water surge
- drainingDepleting one's reserves
refilling · leak detection · water contamination · degradation · disposal · recycling · spill cleanup · compatibility
- liquidswater, milk, oil, blood, juice
- aviationaircraft, airports, flying, flight, airplane
- oils & fluidsmotor oil, engine oil, cooking oil, olive oil, vegetable oil
- fluid systemspumps, valves, pipes, pipelines, nozzles
- industrial suppliesfasteners, bolts, screws, washers, bearings
- automotive fluidsmotor oil, engine oil, coolant, antifreeze, gear oil
hydraulic fluidcompressed air
Gas under high pressure
fuel · coolant · refrigerant · lubricant · solvent
hydraulic fluidcompressed air
Gas under high pressure
electrical current · gear train · belt drive · chain drive · electric motor
fluid, fluidity, fluids, hydraulic, hydro, hydraulics, hydrology, fluidly, hydroelectric