TY JOUR TI USE OF FLAT SHOCK ABSORBERS IN SUSPENSION UNITS OF TRACTION ELECTRIC MOTORS OF DIESEL LOCOMOTIVES KW locomotive KW suspension KW electric motor KW hinge KW reliability KW construction JO Transport engineering AU Vorob'ev, V.I. AU Pugachev, A.A. AU Izmerov, O.V. AU Fateev, A.A. PY 2026 IS 2026 PB Bryansk State Technical University