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Shock
absorber seals can be simple or complex.
They can be all rubber shaft
seals such as the one shown in Figure
226. Notice that this simple design
features beads on the O.D. to
aid retention. This type of design is generally
used in shock absorbers filled with oil.
Many
modern shock absorbers, however, use a combination
of pressurized gas and oil. Seals for these applications
tend to be more complicated. They typically include
a primary
seal lip, a contaminant exclusion lip, and
a check valve to prevent excess pressure build-up
as the shock absorber is cycled. An example of
this more complex type of shock absorber seal is
shown in Figure 227.
AUTOMOTIVE
APPLICATIONS MAIN PAGE
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“Because
of the many ways in which shaft seals may be
configured, they are common in a wide variety
of automotive applications.”
Figure 226 |
Figure 227 |
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