A backpack sprayer has a carrying arrangement, on which a container for spraying agent is arranged. The container has a filling opening which can be closed by way of a lid. The carrying arrangement has a set-down position, in which the carrying arrangement is set down on a planar, horizontal set-down surface. The spraying agent region of the container is the region which is provided for spraying agent and extends as far as a maximum permissible filling height (max). The spraying agent region has a greatest horizontal inner cross-sectional area (A) in the set-down position. In order to allow simple filling of spraying agent and simple cleaning of the container, it is provided that the container can be opened at the filling opening over at least 60% of its greatest inner cross-sectional area (A).

A rotating atomizer device for the correction of eventual separations that random variations cause in the final result of the phytosanitary treatment so the application of the chemical products is done completely in agreement with what has been prescribed by the agronomic professional, achieving a greater efficiency of the phytosanitary spraying process. The technical information generated by the manufacturers of the agrochemical products regarding the physical characteristics of the phytosanitary chemicals; information regarding wind speed and direction, ambient humidity and temperature generated by a meteorological center and mounted in the spraying vehicle; information regarding the geo referential position, the speed and direction of the vehicle generated by a GPS type device mounted in the spraying vehicle; the information generated by the acceleration and magnetic field sensors, gyroscopes, flowmeters, spray liquid temperature sensors, rotation speed of plates sensor, magnetic analogic sensors for measuring angular positions.

A spray jet discharging device of long range, whose function is based on the production of a powerful air stream with liquid droplets dispersed therein, the maximum velocity of the spray jet being at least 300 km/h. The air stream is produced by a centrifugal fan with a spiral housing (1). The device is mainly used for fire extinguishing. It may be mounted at fixed points or on land vehicles via a suitable support for the fan, which enables both rotation of the spray jet beam in the horizontal plane, and changing of its inclination angle in the vertical plane. It may be remotely controlled (10) or manually operated (60). There is also a version of the device for aerial fire-fighting operations (90), configured to be suspended from an aircraft, e.g. a helicopter, and a device for portable use (1 10), which can be carried by a fireman.

A motorized gardening apparatus with a container assembly configured to contain a variable supply of material, an air-blowing assembly powered by a battery, an activation controller, a dispensing conduit forming flow communication between an exit valve of the container assembly, the air-blowing assembly and at least one dispensing outlet in a distal end of the dispensing conduit. The dispensing apparatus may be activated in at least two modes of operation: a first mode of operation wherein the exit valve is closed, such that air stream from air blowing assembly is pushed out from the dispensing conduit through the dispensing outlet and a second mode of operation wherein the exit valve in the container assembly is open, such that material from the container assembly is released into the dispensing conduit and pushed by air stream out from the dispensing conduit through the dispensing outlet.

The unmanned sprayer apparatus according to the present invention includes a vehicle body of the unmanned sprayer apparatus that moves automatically in a greenhouse including a first rail and a second rail installed on flat land, and a controller configured to control the vehicle body to be switched and moved between the first rail and the second rail while the vehicle body travels on the flat land. The controller is configured to travel the vehicle body rearward on the first rail and when a front end of the first rail is detected, stop the vehicle body, to move the vehicle body laterally toward the second rail and when a front end of the second rail is detected, stop the vehicle body, and to align the vehicle body in a direction of the second rail and then dock the vehicle body to the second rail.

A motorized gardening apparatus with a container assembly configured to contain a variable supply of material, an air-blowing assembly powered by a battery, an activation controller, a dispensing conduit forming flow communication between an exit valve of the container assembly, the air-blowing assembly and at least one dispensing outlet in a distal end of the dispensing conduit. The dispensing apparatus may be activated in at least two modes of operation: a first mode of operation wherein the exit valve is closed, such that air stream from air blowing assembly is pushed out from the dispensing conduit through the dispensing outlet and a second mode of operation wherein the exit valve in the container assembly is open, such that material from the container assembly is released into the dispensing conduit and pushed by air stream out from the dispensing conduit through the dispensing outlet.