The DV-Type Rubber Shock Absorber

The DV-Type Rubber Shock Absorber

The vd-type rubber shock absorber is an important part of a vehicle suspension that reduces the impact and vibrations experienced by a car when traveling over rough road conditions.vd-type rubber shock absorber They also help with vehicle handling by helping to keep the unsprung weight of the chassis lower than it would be otherwise, reducing aerodynamic drag and improving ride quality. Shock absorbers use a combination of hydraulics and gasses to limit the amount of movement by converting energy into heat, damping oscillations and absorbing impact. They are used in tandem with springs and torsion bars (or struts) to provide the best overall vehicle performance.

Originally, all automotive shock absorbers were of the twin tube design that was first used in Mors racing cars in 1902.vd-type rubber shock absorber This type has two nested tubes and is filled with oil and compressed nitrogen gas. [1] This type of shock absorber is still used by the majority of modern vehicles as it offers excellent control and good value for money.

A variation on the twin tube design was developed in 1954 by Citroen for its 2CV cars.vd-type rubber shock absorber This new design was referred to as a "gas cell two-tube" shock absorber or a "pneumatic shock absorber". It was similar to the twin tube shock, but included a low-pressure charge of nitrogen in the reserve cylinder that was added after the main cylinder was pressurized with oil and air. This reduced foaming of the hydraulic fluid, an undesirable effect that results from heavy use and can cause the shock absorber to lose its damping ability temporarily.

This was the first type of shock absorber to combine the benefits of the twin-tube design with gas compression and force multiplication. This was a revolutionary change to the suspension industry, allowing for better vehicle performance and eliminating the tradeoff between comfort and control that had existed with earlier designs.

With this improvement, the next step in suspension development came in the 1970s with the introduction of "acceleration sensitive damping" (ASD). This allowed the shock absorber to react instantly to the condition of the road, changing from a bumpy to smooth ride or vice versa, without requiring the driver to adjust the speed of the throttle or brake pedal. It is important to note that this is a function of the shock absorber's internal valving, not external sensors.

Another recent advance in the industry is that of the composite hydropneumatic shock absorber. This offers many of the advantages of the ASD shock absorber in a package that is more cost effective and simpler to install than individual components. This technology allows for better ride quality, suspension control and vehicle stability and can be combined with air suspension springs for ride height adjustment or self leveling suspension capabilities. These systems are primarily found in luxury or high-end cars. They are also becoming more popular in light trucks and SUVs as a way to improve ride comfort, handling, safety and fuel economy.

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