TURRET MOUNT VENTING UNIT Russian patent published in 2004 - IPC

FIELD: military equipment.

SUBSTANCE: turret mount venting unit includes electric fan, limit switch, valve chest, valve with stem and shaft with lever which is articulated with stem; secured on outer end of shaft is switch with spring. Other end of spring is connected with valve chest. Spring is mounted for shifting it from one stable position to another stable position through unstable position. Mounted on opposite sides of switch in plane of its swinging on valve chest are two electromagnets engageable with switch in turn and limit switch which is engageable with switch in one of stable positions of spring electrically connected with electromagnets and electric fan.

EFFECT: enhanced operational safety of firer.

1 dwg