초록 ▼

A portable sweeping device which operates with an air-blast flow, and comprises a housing having a handle arranged at the upper end, and a fanwheel blower or impeller arranged in the housing and driven by an internal combustion engine arranged in the direction of the axis of rotation of the blower;

A portable sweeping device which operates with an air-blast flow, and comprises a housing having a handle arranged at the upper end, and a fanwheel blower or impeller arranged in the housing and driven by an internal combustion engine arranged in the direction of the axis of rotation of the blower; the blower generates an air flow which exits through an air discharge outlet of the housing. The axis of rotation of the fanwheel blower is arranged at least substantially vertically during use.

대표청구항 ▼

A portable sweeping device which removes debris with an air-blast flow, said device comprising: a housing having an upper end, an air inlet, and an air discharge outlet; a handle arranged at said upper end of said housing and said device being intended to be held by the operator in one hand; a fanwh

A portable sweeping device which removes debris with an air-blast flow, said device comprising: a housing having an upper end, an air inlet, and an air discharge outlet; a handle arranged at said upper end of said housing and said device being intended to be held by the operator in one hand; a fanwheel blower arranged in said housing and having an axis of rotation which is at least substantially vertical in the operating position of said sweeping device; and an internal combustion engine having an air intake and being arranged in said housing in the direction of said axis of rotation of said fanwheel blower for driving the latter to generate an air flow which exits said housing through said air discharge outlet thereof; and, said housing including: an upper housing part to which said handle is attached and which accommodates said internal combustion engine and its auxiliary devices, said upper housing part including a cylinder-like base body having a cross section which is circular to oval in shape; and, a lower housing part which is arranged axially below said upper housing part remote from said handle, and accommodates said fanwheel blower, with an air channel which terminates in said air discharge outlet being formed by said lower housing part, said air channel communicating with said air flow generated by said fanwheel blower; and, said upper housing part including a domed top for accommodating a starter device arranged in the region of said domed top in the immediate vicinity of said handle and wherein exhaust gases from said internal combustion engine are discharged on the side of said device away from the side of the operator\s body corresponding to the one hand in which the device is held; and, said domed top further accommodating, as one of said auxiliary devices of said internal combustion engine, an air intake filter which is mounted on said air intake and which is open to the atmosphere on that side of said device remote from said air discharge outlet.