SUCTION DEVICE Russian patent published in 2015 - IPC A47L5/36 

FIELD: engines and pumps.

SUBSTANCE: invention relates to a suction device containing mud collecting tank (14) for sucked-in material, suction unit (24) for delivery of vacuum in mud collecting tank (14) through pumping-out space (28), at least one filter element (32) located in direction of the air flow pumped out with suction unit (24) between mud collecting tank (14) and pumping-out space (28), at least one rechargeable battery (48, 50) to provide electrical power to suction unit (24), as well as at least one battery holder (60, 62) to retain at least one battery (48, 50) on suction unit (10). In order to create a suction device that could be easily operated by a user according to the invention it is proposed that suction device (10) includes filter cover (74) that has a possibility of being brought from a closed position in which at least one filter element (32) is covered to a removal position in which at least one filter element (32) is removable from suction device (10) and insertable into it on the side of clear space, and filter cover (74) includes at least one battery holder (60, 62) for at least one battery (48, 50).

EFFECT: improved design.

22 cl, 6 dwg