Vibration damper product categories

Hydraulic Shock Absorbers: Hydraulic shock absorbers are widely used in automotive suspension systems. Their principle is that when the chassis and axle reciprocate relative to each other, and the piston moves back and forth within the shock absorber's cylinder, the oil inside the shock absorber housing repeatedly flows from one inner cavity to another through narrow orifices. At this time, the friction between the liquid and the inner wall, as well as the internal friction of the liquid molecules, creates a damping force against vibration.

 

Air-Inflatable Shock Absorbers: Air-inflatable shock absorbers are a new type of shock absorber developed since the 1960s. Their structural feature is a floating piston mounted at the bottom of the cylinder. A sealed chamber formed by the floating piston and one end of the cylinder is filled with high-pressure nitrogen. A large-section O-ring seal is installed on the floating piston, completely separating the oil and gas. The working piston is equipped with compression and extension valves whose cross-sectional area changes according to its speed.

 

Adjustable Drag Type: Cars equipped with adjustable drag shock absorbers generally use variable-stiffness air springs as the elastic element in their suspension. The principle is that if the air pressure in the air spring increases, the pressure inside the shock absorber's air chamber also increases. This pressure change alters the throttling orifice diameter of the hydraulic fluid, thus changing the damping stiffness.

 

Shock absorbers are wear-prone components in automobiles. Their performance directly affects the vehicle's ride smoothness and the lifespan of other parts. Therefore, we should ensure that shock absorbers are always in good working order. The following methods can be used to check if the shock absorbers are functioning properly.