RAILROAD VEHICLE BRAKE AIR DISTRIBUTOR Russian patent published in 1994 - IPC

FIELD: railway transport. SUBSTANCE: air distributor has three-pressure member and two-pressure member. Three-pressure member is connected to brake cylinder and has a movable partition and a throttle orifice. The movable partition divides working and slide valve chambers. Two-pressure member is pneumatically connected to member and has a body housing movable partition, plunger, a softening device, stepped and stepless mode switch. Movable partition divides main line chamber and slide valve chamber. The plunger has slide valve chamber charging opening and working chamber charging opening. The softening device has spring-actuated movable partition. The softening device valve is connected to partition. Space over partition is constantly connected to the working chamber. Space over partition is connected to slide valve chamber through a throttled channel and to the main line chamber through channel. Space houses spring of movable partition and a valve shutting off channel. EFFECT: enlarged operating capabilities. 1 dwg