A47L9/24

SUCTION DEVICE AND METHOD FOR DETERMINING THE FILLING LEVEL OF A FILTER DEVICE OF A SUCTION DEVICE
20230270306 · 2023-08-31 ·

A suction device with at least one fan for generating a suction air stream in a suction channel, at least one filter device for receiving suction material, at least one pressure measuring system and at least one control device, wherein the suction device is configured for coupling to a plurality of attachments on the suction channel, as well as a method for determining the filling level for a filter device of the suction device. The suction device and the method for determining the filling level ensures the most precise display possible of the filling level and also is simultaneously realizable in a cost-effective manner, in that the control device is configured and arranged for determining the filling level using at least one pressure measurement value and characteristic data, as well as for selecting the characteristic data used for the determination depending on the attachment connected to the suction device.

LANDSCAPE MAINTENANCE SYSTEMS AND METHODS
20220159917 · 2022-05-26 ·

Systems and methods for maintaining landscape features. Exemplary landscape maintenance systems include an air flow generation mechanism such as a vacuum and/or blower, a wand assembly having a forearm cuff assembly and a joystick handle assembly, and a nozzle assembly having an agitator assembly. The agitator assembly may include one or more spines or leaflets. The air flow generation mechanism may include a port in fluid communication with the wand assembly. The air flow generation mechanism may also include a port in fluid communication with an exhaust conduit, the exhaust conduit may be attached with a receptacle bag, and the receptacle bag may have a bag frame disposed therein.

Handheld surface cleaning apparatus

A hand vacuum cleaner has an information display device provided on a rear wall of the rear end of the hand vacuum cleaner.

Water Management System
20220151448 · 2022-05-19 ·

A wet-dry vacuum device assembly comprises a housing and a motor-fan assembly mounted in the housing. The motor-fan assembly is arranged to generate an air flow along an airflow path between a dirty air inlet and a clean air exhaust. The wet-dry vacuum device comprises a tank positioned along the airflow path and arranged to capture liquid entrained in the dirty air flow. The wet-dry vacuum device further comprises a removable pump accessory mountable to the housing. The removable pump accessory comprises pump and a fluid inlet in fluid communication with the tank and the pump. A fluid outlet is in fluid communication with the pump and connectable to an exterior hose. The pump is arranged to move captured liquid in the tank from the fluid inlet to the fluid outlet.

STATIC DISCHARGE MITIGATION OF VACUUM CLEANERS

A vacuum cleaner system comprising a motor-impeller assembly, a power source, and a hose. The motor-impeller assembly is configured to generate fluid flow, the fluid flow passing through a hose inlet. The power source is configured to supply power to the motor-impeller assembly. The hose includes a proximal hose end configured to be coupled to the hose inlet, a distal hose end spaced from the proximal hose end, and a hose body. The hose body is coupled to the proximal hose end and the distal hose end. The hose body has an inner surface through which fluid flow passes, and an outer surface open to the surroundings of the hose. The hose further includes a layer of anti-static material applied to either the inner surface of the hose body or the outer surface of the hose body.

STATIC DISCHARGE MITIGATION OF VACUUM CLEANERS

A vacuum cleaner system comprising a motor-impeller assembly, a power source, and a hose. The motor-impeller assembly is configured to generate fluid flow, the fluid flow passing through a hose inlet. The power source is configured to supply power to the motor-impeller assembly. The hose includes a proximal hose end configured to be coupled to the hose inlet, a distal hose end spaced from the proximal hose end, and a hose body. The hose body is coupled to the proximal hose end and the distal hose end. The hose body has an inner surface through which fluid flow passes, and an outer surface open to the surroundings of the hose. The hose further includes a layer of anti-static material applied to either the inner surface of the hose body or the outer surface of the hose body.

Vacuum cleaner hose
11324370 · 2022-05-10 · ·

Vacuum cleaner hose for connecting to a wet and dry vacuum cleaner, wherein the vacuum cleaner hose has an inner lumen extending in the longitudinal direction, wherein a flow guiding geometry is formed within the lumen or adjoining the lumen, by which a suction flow occurring during the operation of the wet and dry vacuum cleaner can be influenced.

Air flow channel switching structure
20230255419 · 2023-08-17 ·

An air flow channel switching apparatus includes a housing. A front end of the housing is provided with air inlet and outlet. An interior of the housing is provided with a blower assembly and an vacuum assembly. One sides of the blower assembly and the vacuum assembly are provided with at least one group of air duct switching assembly. The air duct switching assembly includes a mounting bracket, a pipe connector, a flexible hose, and a rotating assembly.

Suction nozzle for a handheld milling machine
11723502 · 2023-08-15 · ·

A suction nozzle (100) for a hand-held milling machine (200), the suction nozzle (100) including a suction connection (30) designed for connection to a dust extraction system (300), and the hand-held milling machine (200) being equipped with a depth stop (210), with the aid of which a penetration depth (ET) of a milling tool (220) of the hand-held milling machine (200) may be limited, the suction nozzle (100) having a connection area (10), via which the suction nozzle (100) is detachably fastenable, in particular detachably fastenable without tools, to the depth stop (210).

Cleaner

A cleaner includes: a suction unit; a main body that is connected with the suction unit and separates dust from air sucked through the suction unit; and a handle unit that is connected to the main body, wherein the main body includes: a first body and a second body; a sealing member for sealing a boundary between the first body and the second body; and a support body that supports the sealing member and has an opening that communicates with the suction unit.