A system for cleaning a downspout of an eavestrough system where the downspout comprises a downwardly extending pipe with a bottom discharge portion having a mouth utilizes an air blower system which can be a leaf blower or a shop vacuum with an outlet nozzle. The system includes a connector portion in the form of a flexible sleeve having first and second open ends and a tightening system such as a strap at each end. In use the first end is tightened onto the outlet nozzle of the air blower and the second end is tightened onto the discharge portion at the mouth and the air blower system is operated to drive air through the downspout to expel any collected materials.

A blower includes a blower body. The blower body includes a housing, an impeller arranged inside the housing, and a motor arranged in the housing and driving the impeller to rotate. The blower body includes an air inlet and an air outlet. The blower further includes a base and a regulating mechanism. The blower body is mounted on the base via the regulating mechanism, and the regulating mechanism includes a coupling member, a regulating knob and a resetting member. The blower body is rotatably mounted on the base via the coupling member, the regulating knob is arranged on the base and cooperates with the coupling member to limit the coupling member, and the resetting member is arranged on the base and cooperates with the regulating knob to cause the regulating knob to reset.

Provided is a portable power working machine in which suction of clothing to a safety guard can be reliably prevented and the amount of a portion protruding laterally from one side surface portion of a fan case can be reduced so as to enable a required air blowing performance to be obtained without causing an increase in size or weight or deterioration of the operability thereof. A suction port for inhaling air is provided on one side surface portion of a fan case of an air blower, and a safety guard is provided in the suction port. Further, the one side surface portion of the fan case has attached thereto a block prevention guard that has a top surface portion with a top surface opening facing the suction port, three leg portions for allowing the top surface opening to face the suction port with a predetermined distance therebetween, and a lattice provided in the top surface opening. Furthermore, the average opening area of apertures of the lattice in the top surface opening of the block prevention guard is larger than that of the apertures of the lattice of the safety guard.

A backpack type blowing apparatus includes an intake pipe that connects an air cleaner fixed to a fan case of an air blower to a carburetor that supplies an evaporated fuel to an engine body, and a top cover fixed to the fan case to cover at least the intake pipe by interposing the intake pipe between the top cover and the fan case. The top cover has a plurality of cover fixing portions fixed to the fan case. An outer circumferential-side fixed portion positioned on an outer circumferential side of the intake pipe in the fan case is included in the plurality of cover fixing portions.

A handheld work apparatus has a blower tube with a blower arranged therein. The blower conveys a working air flow through the blower tube and has an impeller rotatably driven by an electric drive motor. A diffuser is mounted in a stationary manner in the blower tube downstream of the impeller. The motor is arranged in a motor compartment in the blower tube. Downstream of the diffuser, the work apparatus has an extraction opening for cooling air for the drive motor, via which an annular space, formed between the blower tube and the motor compartment, is connected to the motor compartment. The motor compartment has an outflow opening for cooling air arranged upstream of the extraction opening. The extraction opening and the outflow opening are arranged so that during operation the pressure at the extraction opening is greater than the pressure at the outflow opening.

A leaf blower that includes a blower unit including a fan and an exhaust tube in fluid communication with the fan, where the exhaust tube includes a distal end, a blower tube including an inlet, and an adapter having a body defining a passageway therethrough, where the adapter is positioned between and removably couplable to both the distal end of the blower unit and the inlet of the blower tube to convey a flow of air therebetween, and wherein the body of the adapter defines one or more apertures in fluid communication with the passageway.

An apparatus for applying a desired amount of mechanical abrasion to plants and selective cutting of undesirable plant material is provided. The apparatus includes a base, a brush and an elevation device for maintaining the base at desirable height. The base has a first longitudinal axis and a plurality of grooves, the grooves being oriented approximately perpendicular to the first longitudinal axis. The brush has a second longitudinal axis and a plurality of bristles and/or blades extending outwardly from the second longitudinal axis. The brush is attached to the apparatus such that the second longitudinal axis is substantially parallel to the first longitudinal axis and the brush is rotatable about the second longitudinal axis. The brush is spaced from the base such that the plurality of bristles engage the plurality of grooves. The base is adjustable enabling the operator to move the base closer or further from the rotating brush/blades.

An oscillating or pulsing fluid stream, or flow, is produced from a flow of pressurized air by fluidic apparatus in a device configured for use in surface cleaning, sweeping, lawn care applications, and the like. A converging nozzle assembly defining a tapered internal lumen having a smooth narrowing profile is configured to generate at a power nozzle a high velocity stream with minimal pressure drop. Downstream of the power nozzle, first and second control ports are in fluid communication with the high velocity stream and with each other via an inertance loop having a lumen of selected cross sectional area and length. The varying air flow is directed through an outlet chamber shaped to produce an oscillating or a pulsating flow.

A blower including a base having a housing, a handle extending from the housing, a power source positioned within the housing, the blower including: a drive shaft extending forwardly from the power source, wherein the drive shaft is rotatable by the power source; a fan member operatively connected to the drive shaft; a flywheel extending rearwardly from the power source, the flywheel being positioned adjacent to a rear of the housing; and at least one rear vent formed into the rear of the housing adjacent to the flywheel, wherein rotation of the flywheel draws ambient air into the housing through the at least one rear vent, and rotation of the flywheel generates a cooling air flow that directs the ambient air across the power source to cool the power source during operation thereof.

The invention relates to a cleaning device with a frame that can be driven on a ground surface and with a vibrating screen which is mounted on the frame such that it can be moved to a limited extent and which is connected to a contact element. A vibrating roller is attached to the frame such that it can be rotated about a rotary axis, and it has an outer surface, in which radial elevations are formed. A pre-tensioning element pre-tensions the vibrating screen such that the contact element lies against the vibrating roller.