4801050130 48010-50140 Front Shock Absorber Suspension for Lexus
LS430
Basic Information
Definition
An air shock absorber is a type of suspension component that
combines the functions of a traditional shock absorber and an air
spring.It uses compressed air to provide both damping and
load-leveling capabilities.
Working Principle
• Height Adjustment:The height control valve in the system senses
changes in vehicle height.When the vehicle body lowers,the valve
opens to allow air into the air spring,causing it to expand and
raise the vehicle height back to the set level.Conversely,when the
vehicle body rises,the valve opens to release air from the air
spring,lowering the vehicle.
• Variable Stiffness:When the vehicle is unloaded and at rest,the
air spring is inflated to a certain pressure,providing basic
support.As the vehicle is loaded with passengers or cargo,the
increased weight compresses the air spring,raising the air pressure
inside and generating a counteracting force to support the
additional load.
• Shock Absorption:When the vehicle encounters bumps,the air spring
is compressed.The compressibility of air absorbs part of the
vibration energy.Meanwhile,the damping unit,which is usually a
hydraulic shock absorber working in parallel with the air
spring,generates resistance as its piston moves through the damping
fluid,converting kinetic energy into heat and dissipating it.
Advantages
• Adjustable Ride Height:Allows the vehicle to maintain a
consistent ride height regardless of load changes,which is
particularly useful for vehicles that experience significant weight
variations.
• Improved Comfort and Handling:Provides a smooth ride over uneven
roads while maintaining good vehicle handling characteristics.
• Reduced Maintenance:Compared to some other types of suspension
systems,air shock absorbers can have a longer service life due to
the absence of metal springs that can wear out or corrode.
Applications
Air shock absorbers are commonly used in high-end vehicles,luxury
cars,and some commercial vehicles where ride comfort and
load-leveling capabilities are important.They are also used in
specialized applications such as aircraft landing gear,where they
provide both shock absorption and load leveling.
Types and Variations
• Integrated Air Spring and Shock Absorber Systems:Some
designs,like the ShockWave,combine the air spring and shock
absorber into a single unit,allowing for more compact installation
and easier adjustment.
• Adjustable Air Pressure:Many air shock absorbers allow for manual
or automatic adjustment of air pressure to fine-tune the ride
height and stiffness according to different driving conditions or
user preferences.
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