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  2. Power steering - Wikipedia

    en.wikipedia.org/wiki/Power_steering

    Power steering is a system for reducing a driver's effort to turn a steering wheel of a motor vehicle, by using a power source to assist steering. [1]Hydraulic or electric actuators add controlled energy to the steering mechanism, so the driver can provide less effort to turn the steered wheels when driving at typical speeds, and considerably reduce the physical effort necessary to turn the ...

  3. HICAS - Wikipedia

    en.wikipedia.org/wiki/HICAS

    The power steering pump supplies pressure through two regulating valves to two spring-loaded hydraulic actuators on the rear axle; these valves are designed to selectively pass or stop pressure to one side of each actuator, according to vehicle speed and lateral acceleration, which then steers the rear suspension subframe and semi-trailing arms.

  4. Hydrosteer - Wikipedia

    en.wikipedia.org/wiki/Hydrosteer

    Hydrosteer was the name given by George Kent Ltd and Cam Gears Limited through Hydrosteer Limited [1] of Luton, England, to its automotive power steering system. Initially Hydrosteer manufactured the Ross-Link system for commercial vehicles from 1953 under licence from Ross Gear and Tool of U.S.A. [2] Their own product available from 1961 was based on a cam and peg system and was characterised ...

  5. Cavitation - Wikipedia

    en.wikipedia.org/wiki/Cavitation

    In automotive applications, a clogged filter in a hydraulic system (power steering, power brakes) can cause suction cavitation making a noise that rises and falls in synch with engine RPM. It is fairly often a high pitched whine, like set of nylon gears not quite meshing correctly.

  6. Steering - Wikipedia

    en.wikipedia.org/wiki/Steering

    A Hydraulic Power Steering (HPS) uses hydraulic pressure supplied by an engine-driven pump to assist the motion of turning the steering wheel. Electric Power Steering (EPS) is more efficient than hydraulic power-steering, since the electric power-steering motor only needs to provide assistance when the steering wheel is turned, whereas the ...

  7. Dynamic steering response - Wikipedia

    en.wikipedia.org/wiki/Dynamic_steering_response

    Dynamic steering response (DSR) is a vehicle safety and advanced power steering system that can counteract unstable or difficult steering that may be caused by external forces such as strong crosswinds or uneven roads by giving proper steering assistance from the steering gear. [1]

  8. Hydraulic fluid - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_fluid

    Power steering fluid is a sub type of hydraulic fluid. Most are mineral oil or silicone based fluids, while some use automatic transmission fluid , made from synthetic base oil. [ 8 ] [ 9 ] Automatic transmissions use fluids for their lubrication, cooling and hydraulic properties for viscous couplings .

  9. Underdrive pulleys - Wikipedia

    en.wikipedia.org/wiki/Underdrive_pulleys

    Poorly engineered underdrive pulleys can cause unwanted side effects; this is due to not spinning the alternator, power steering, and/or air conditioning fast enough. This leads to low alternator voltage, weak or no power steering assist, and weak or no air conditioning effectiveness, especially at idle or low RPM. The most commonly seen result ...

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