AUTOMOTIVE TRANSMISSION Russian patent published in 2015 - IPC F16H3/00 F16H57/02 F16H63/30 F15B11/12 

FIELD: transport.

SUBSTANCE: invention relates to automotive transmissions. Transmission comprises first and second spinning shafts, first and second pairs of engaged gears each including idle gear fitted on second shaft, one timing gear displacing on second shaft between first and second engagement positions whereat it locks one of idle gears on second shaft by neutral position and timing gear hydraulic drive. Said drive comprises cylinder (61) and piston (65) to displace therein to confine first and second chambers (23, 24). Volume of first chamber (23) is the least at drive first engagement position while second chamber (24) volume is the least ay drive second engagement position. Besides, piston (65) confines third chamber (72) in the cylinder, volume of said chamber is the with drive (20, 20', 21, 21') in neutral position.

EFFECT: simplified design.

13 cl, 4 dwg