An apparatus for impact dispersal of a force applied to a vehicle, such as
a motor vehicle or other carrier. The apparatus includes a hydraulic
cylinder in fluid communication with a relief valve and a flow restrictor
connected in series. The piston rod of each cylinder receives the force
of an impact, which causes the fluid in the cylinder to undergo an
increase in pressure, which is relieved by multiple relief valves and
serially connected flow restrictors. In one embodiment, the relief valves
and the flow restrictors are incorporated into a single valve. The system
responds to an amount of force caused by an impact and disperses the
force accordingly at a controlled rate. Applications for such an
embodiment include connection to vehicle bumpers, to a seat back where
the cylinder is double-acting, and to landing feet for air-drop carriers.