INLET SWITCH VALVE OF SMALL VACUUM MACHINE Russian patent published in 2022 - IPC A47L9/24 E01H1/08 

FIELD: small vacuum machines.

SUBSTANCE: invention relates to devices for small vacuum machines (street vacuum cleaners), namely to valves for switching inlet streams of a small vacuum machine. The inlet flow switching valve comprises a housing, openings located on the housing. The body is made in the form of a hollow triangular prism containing two triangular bases and two rectangular faces located at an angle of 90° to each other. The third face of the prism is missing. Holes are made on the rectangular faces, along the perimeter of which branch pipes for connecting hoses are fixed. Along the perimeter of the third face of the prism, bends are made for fastening to the body of a small vacuum machine. At the tops of the triangular bases of the prism, holes are made for attaching the damper axis. On one side of the axis, outside the prism, a lever is made to enable the damper to be moved. The lever is connected to the axis, on which the damper is fastened with screws. The damper is fixed in two extreme positions.

EFFECT: providing the ability to switch the operating mode of a small vacuum machine from a bell to a hose and back when collecting garbage with a bell in narrow places, for example, between parked cars or for collecting garbage from trash cans.

1 cl, 4 dwg