ON-BOARD DEVICE FOR PROTECTION OF ENGINE FROM INGESTION Russian patent published in 2017 - IPC B64D33/02 F02C7/05 

FIELD: engine devices and pumps.

SUBSTANCE: on-board protection device comprises a movable bottom panel (1) which is pivotally connected to the actuator rod rigidly fixed to the air intake housing (7). The lower panel (1) has in its rear part two rows of slits (12) with relative width , located at the relative length . The relative distance of the location of the second row of slits , where l is the bottom panel length, m; C is the length from the trailing edge of the lower panel to the axis of the first row of slits, m; D is the width of slits, m; K is the distance between rows of slits, m.

EFFECT: invention increases the efficiency of engine protection device.

3 dwg