TWO-CHAMBER SHOCK ABSORBER Russian patent published in 1997 - IPC

FIELD: shock absorbers for flying vehicle landing gears; water transport. SUBSTANCE: plunger 2 with piston 3 and rod 4 with piston 5 are arranged in housing 1 of shock absorber. Hollow profiled needle 6 with diaphragm having orifices "a" is secured on bottom of rod. Floating piston-sleeve 8 is mounted on tail-piece 9 of needle 6. Wall 10 of piston-sleeve 8 is extended into hydraulic chamber in initial position by amount of stroke of floating piston-sleeve 8. Hydraulic chamber is located under plunger 2. EFFECT: enhanced reliability. 4 cl, 5 dwg