The invention relates to a modular system for weed control for a rail vehicle. The modular system has a control unit for producing control signals for controlling valves and mixers in a separate herbicide and mixing module and for producing a second set of control signals for controlling valves of a nozzle rod. The herbicide and mixing module has a container for holding different herbicides and electrical connection elements for connections to the control unit. Furthermore, a nozzle rod is present, which is fitted with a nozzle set, in order to spray herbicides of the herbicide and mixing module. In addition, a camera module is present, which produces a weed signal in response to the detection of a weed, in order to control the spraying of the herbicides. The camera module is at such a distance from the nozzle rod that, despite high speed, there is sufficient time to provide the herbicide at the nozzles.

A portable sprinkler device is disclosed herein. The portable sprinkler device is configured to deliver a personalized combination of water, weed killer, lawn fertilizer, and insect control serum. The device may include a wireless control unit capable of communicating with a user interface. The wireless control unit may be configured as a Bluetooth-ready device. The user interface may further include a base station or other portable electronic device. The device is useful for delivering a combined liquid-based lawn treatment solution in a user-friendly manner.

A dosing device has a dosing tip for dispensing liquid medium and at least one pressure vessel with a pressurizing gas, in which an overpressure or a negative pressure can be set as a predefined pressure setpoint value of an internal pressure by a pressure regulator, the internal pressure set by means of the pressurizing gas acting on a first liquid medium. A bidirectional flow meter is provided to measure a quantity of the first medium that is moved by the internal pressure prevailing in the pressure vessel. Furthermore, a dosing valve is provided upstream of the dosing tip, which is adapted to enable or disable a flow of the first medium from the flow meter to the dosing tip. For precise dosing, the first medium is moved by means of a change in the predefined pressure setpoint value of the internal pressure of at least one pressure vessel, and the moved quantity of the first medium is measured by means of the flow meter.

A dosing device has a dosing tip for dispensing liquid medium and at least one pressure vessel with a pressurizing gas, in which an overpressure or a negative pressure can be set as a predefined pressure setpoint value of an internal pressure by a pressure regulator, the internal pressure set by means of the pressurizing gas acting on a first liquid medium. A bidirectional flow meter is provided to measure a quantity of the first medium that is moved by the internal pressure prevailing in the pressure vessel. Furthermore, a dosing valve is provided upstream of the dosing tip, which is adapted to enable or disable a flow of the first medium from the flow meter to the dosing tip. For precise dosing, the first medium is moved by means of a change in the predefined pressure setpoint value of the internal pressure of at least one pressure vessel, and the moved quantity of the first medium is measured by means of the flow meter.

The invention provides a device (100) for applying a liquid film to surfaces in an area. The device (100) comprises a head (110) for discharging a flow of liquid droplets (200) in a discharge direction (D). The device (100) is arranged for rotating the head (110) according to two rotational degrees of freedom to move the discharge direction (D) through the area. The device (100) comprises a distance sensor (120) for measuring a distance (d) between the head (110) and surfaces in the area along the discharge direction (D). The device (100) is configured according to at least one of a first and second configuration. In the first configuration a rotational speed of the head (110) is adjustable as a function of the distance (d) measured by the distance sensor (120). In the second configuration a flow rate of the flow of liquid droplets from the head (110) is adjustable as a function of the distance (d) measured by the distance sensor (120).

The invention provides a device (100) for applying a liquid film to surfaces in an area. The device (100) comprises a head (110) for discharging a flow of liquid droplets (200) in a discharge direction (D). The device (100) is arranged for rotating the head (110) according to two rotational degrees of freedom to move the discharge direction (D) through the area. The device (100) comprises a distance sensor (120) for measuring a distance (d) between the head (110) and surfaces in the area along the discharge direction (D). The device (100) is configured according to at least one of a first and second configuration. In the first configuration a rotational speed of the head (110) is adjustable as a function of the distance (d) measured by the distance sensor (120). In the second configuration a flow rate of the flow of liquid droplets from the head (110) is adjustable as a function of the distance (d) measured by the distance sensor (120).

Methods, systems, and devices are disclosed for implementing switchable dispensing and/or delivery of scented substances. In one aspect, a device includes a cartridge structured to include one or more chambers containing one or more scented substances contained in a corresponding chamber, a housing structured to include a compartment to hold the cartridge, an opening to allow the scented substances to dispense to an outer environment from the device, and one or more transporting channels formed between the compartment and the opening, in which each of the one or more transporting channels is configured to accelerate a scented substance from the corresponding chamber to the opening, and an actuator switch arranged in a corresponding transporting channel and operable to move between an open position and a closed position based on an applied signal to selectively allow passage of the scented substance from the corresponding transporting path.

Methods, systems, and devices are disclosed for implementing switchable dispensing and/or delivery of scented substances. In one aspect, a device includes a cartridge structured to include one or more chambers containing one or more scented substances contained in a corresponding chamber, a housing structured to include a compartment to hold the cartridge, an opening to allow the scented substances to dispense to an outer environment from the device, and one or more transporting channels formed between the compartment and the opening, in which each of the one or more transporting channels is configured to accelerate a scented substance from the corresponding chamber to the opening, and an actuator switch arranged in a corresponding transporting channel and operable to move between an open position and a closed position based on an applied signal to selectively allow passage of the scented substance from the corresponding transporting path.

A capsule of a volatile substance distribution system is configured for use with a base unit having a fan and an air outlet configured to direct air driven by the fan away from the base unit. The capsule includes a housing that extends along a longitudinal axis between a first end and a second end. The first end defines an inlet port and the second end defines an outlet port. The housing houses a volatile substance member. The capsule further includes an outlet seal member that seals and unseals the outlet port. The housing, when engaged with the base unit and with the outlet seal member in the unsealed position, is configured to receive the air from the air outlet that flows into the inlet port, past the volatile substance member, and out of the outlet port.

A capsule of a volatile substance distribution system is configured for use with a base unit having a fan and an air outlet configured to direct air driven by the fan away from the base unit. The capsule includes a housing that extends along a longitudinal axis between a first end and a second end. The first end defines an inlet port and the second end defines an outlet port. The housing houses a volatile substance member. The capsule further includes an outlet seal member that seals and unseals the outlet port. The housing, when engaged with the base unit and with the outlet seal member in the unsealed position, is configured to receive the air from the air outlet that flows into the inlet port, past the volatile substance member, and out of the outlet port.