Matches 1 - 50 out of 152 1 2 3 4 >
Match Document Document Title
7627928 Removable internal air diffuser  
Disclosed herein is a vacuum cleaner having a housing defining a blower port, an exhaust port, and a flow path between the blower port and the exhaust port. The vacuum cleaner also includes a...
7610654 Vacuum cleaner  
A vacuum cleaner having a discharge flow path, which reduces noise generated due to resistance of the flow path, and by a motor. The vacuum cleaner includes a body, a blower fan unit including a...
7596829 Vacuum cleaner  
A vacuum cleaner is disclosed which comprises a motor chamber for mounting a motor assembly that, generates a suction force at a dust suction port, and a discharge port for guiding an air...
7581281 Ultra-compact recessed wall mounted vacuum cleaner  
An improved wall-mounted recessed vacuum cleaner system incorporates vibration dampening mounts between the motor and the outer housing, air channels within the housing to smooth air flow and...
7513924 Cyclonic separating apparatus  
A cyclonic separating apparatus for separating solid material from a fluid includes a separating chamber, an inlet communicating with the separating chamber for carrying the fluid with the solid...
7437796 Backpack having a reservoir  
A backpack frame for a power bower and yard treatment sprayer system is provided in one embodiment of the present invention. The frame includes a first portion and a second portion extending...
7434657 Acoustic foam sound reducer for vacuum power unit  
A power unit for an in-wall vacuum cleaning system has a first compartment which contains a motor for producing a vacuum at remote wand receptacles and a second compartment for separating and...
7409742 Suction nozzle for a vacuum cleaner  
A suction nozzle of a vacuum cleaner includes jet units for jetting air into positions where air streams collide with each other as air is drawn into a suction port of the nozzle from both side...
7356873 Highly efficient autonomous vacuum cleaner  
The invention provides a vacuum cleaner comprising in particular a structure mounted on transport members (R, R′) and carrying an electrically-driven turbine (T) for acting through a filter...
7337492 Vacuum cleaner having a noise blocking member facing an intake vent of a motor fan  
In an electric vacuum cleaner having an intake air opening 18 disposed in a front portion of a main body case 17 , a dust collection case 19 which communicates with the intake air opening 18...
7334291 Suction brush assembly and a vacuum cleaner having the same  
A suction brush assembly comprises an assembly body having a suction inlet for drawing in dust on a surface being cleaned, a cover connected to the assembly body and having an opening for drawing...
7263743 Motor mount assembly  
A motor mounting assembly includes a motor mount member having a first and second generally opposing sides. A generally U-shaped channel is formed in the second side of the motor mount member...
7225504 Noise suppressor for use with vacuum air cleaner  
A noise suppressor for use with the vacuum air cleaner includes an enclosed casing. On the casing, there are an air intake end and an air outlet end. Between the air intake end and the air outlet...
7191488 Device for setting up central vacuum cleaning installations  
A device for simple setting up of stationary central vacuum cleaning installations in dwellings or the like. The device is in the form of a housing ( 6 ) with the purpose of accommodating a...
7159273 Muffler assembly for a bagless vacuum cleaner  
An upright vacuum cleaner having a muffler system is disclosed. The upright vacuum cleaner includes a carpet engaging nozzle base and an upper housing pivotally connected to the nozzle base. The...
7114216 Vacuum cleaner with noise suppression features  
A vacuum cleaner includes a cyclonic airflow chamber that facilitates the separation of contaminants from a suction airstream. The airflow chamber includes a chamber inlet and a chamber outlet,...
6948211 Vacuum cleaner with noise suppression features  
A vacuum cleaner includes a cyclonic airflow chamber that facilitates the separation of contaminants from a suction airstream. The airflow chamber includes a chamber inlet and a chamber outlet,...
6932188 Silencer for vacuum cleaner  
A silencer for a vacuum cleaner is provided and includes at least one hermetic expansion chamber mounted in an exhaust channel of the vacuum cleaner and allowing an exhaust airflow from the vacuum...
6810989 System for insulating the sound emanating from a motor/pump unit  
In an arrangement comprising a motor/pump unit and a sound-deadening cover, the sound-deadening cover absorbs the airborne noise emitted by the motor/pump unit. On the other hand, the...
6804857 Apparatus for dampening the noise of a vacuum cleaner  
An improved vacuum cleaner has an acoustic dampening mechanism to substantially reduce the noise level generated from a suction unit of the vacuum cleaner while it is sufficiently cooled. Noise...
6792649 Contoured intake ducts and fan housing assemblies for floor care machines  
Contoured intakes and fan housing assemblies for floor care machines are disclosed. In one embodiment, a contoured intake includes a contoured duct having a passage therethrough. The passage has a...
6779228 Quiet central vacuum power unit  
The present invention relates to a central vacuum power unit comprising in combination a canister, a chamber for collecting debris, a first plate, a second plate, a third plate, a duct, a motor-fan...
6666660 Motor-fan assembly for a floor cleaning machine  
A motor-fan assembly for a floor care appliance having an improved working air fan for increased performance and noise reduction, a working air fan housing cover having a plurality of spiral shaped...
6637069 Blower having fan oriented perpendicular to discharge nozzle  
A blower having a fan mounted perpendicularly relative to an airflow discharge port. The fan is disposed within a volute formed in the housing at a rear area of the housing. This places the volute...
6611989 Vacuum cleaner having cooling features  
A vacuum cleaner has a case including a dust chamber filtering dust included in air, an appliance chamber sucking the filtered air from the dust chamber and discharging the air through a discharge...
6579060 Impeller and housing assembly with reduced noise and improved airflow  
An impeller and housing assembly with reduced noise and improved airflow includes a volute, a shaft, a housing, a central axis, and an inlet port located along the central axis. An outlet port is...
6575695 Centrifugal blower and power working machine  
A centrifugal blower capable of reducing noise. The centrifugal blower comprises an impeller having a hub plate and a set of blades disposed on at least one surface of the hub plate so as to...
6530116 Vacuum cleaner with muffled detachable blower exhaust  
A vacuum cleaner includes a housing having a housing passage with a passage inlet, air entering through the passage inlet flowing in a first direction and the housing passage directing air flowing...
6511286 Centrifugal blower and portable power working machine  
A centrifugal blower comprises an impeller; and a casing, having an intake port disposed at a region opposing the air inlet portion of impeller, for accommodating the impeller. The casing is...
6502279 Turbo-brush for cleaning a surface  
A turbo-brush for cleaning a surface includes a casing provided with a suction opening, a rotating brush, a turbine which has a rotor provided with vanes and is operationally connected to the...
6385809 Gasketless wet/dry vacuum with switchable blowing  
The vacuum includes a body having a main air passageway, and first and second air passageways diverging from the main passageway. The first air passageway defines a blower port. A closable door...
6370729 Portable power working machine  
A portable power working machine has an L-shaped frame, a centrifugal blower fixed on a frame in a state that an intake port is opposed to a upright portion of the frame, and a cover having an...
6363574 Vacuum cleaner  
A vacuum cleaner includes a tank assembly having an open end, a cap assembly removably connected to and generally closing off the open end, an inlet assembly disposed on one of the tank and cap...
6336244 Electric blower and electric cleaning device using the same  
In an electric blower, exhaust air discharged radially from a centrifugal fan is redirected to a motor drive section by a diffuser and a fan cover. The air passes from a ventilation opening on a...
6330732 Dust collect device for an eraser  
The present invention provides a dust collect device for an eraser. It is related to a box, which has an inside box to separate the inside of the box into an inner space and an outer space. An...
6324721 Leaf blower  
A portable leaf blower having a fan unit (10) with a fan (11) and a combustion engine (12) for driving the fan. The fan unit (10) is arranged in a shell (16,17) provided with a lower inlet opening...
6324720 Portable blower tube noise reduction  
The present invention provides for noise reduction during operation of a portable blower by reducing the noise or acoustic energy escaping from the housing outlet and blower tube. The noise...
6305048 Electric backpack blower and accessory operator  
An enclosure is constructed as a back pack so that it may be worn. Air is conducted into an air intake chamber, then to an air intake plenum by air impeller. An electric motor is coupled with an...
6206980 Multi-functional cleaning machine  
A particular multi-functional cleaning machine, in accordance with the principles of the invention, includes a water-tank and a liquid delivery line extending from the water tank to a high-pressure...
6192551 Wet cleaning apparatus  
A wet cleaning apparatus having at least one outlet is provided. The apparatus has an intake fitting, for a suction air stream, which opens out into a liquid container. An upper housing part is...
6178591 Dust free and noise improved vacuum cleaner module  
A vacuum cleaner module including a vacuum blower head and a support assembly for positioning in an opening defined between a movable window and a corresponding window sill of a building. The...
6158082 Portable blower with blower tube noise reduction  
The present invention provides for noise reduction during operation of a portable blower by reducing the noise or acoustic energy escaping from the housing outlet and blower tube. The noise...
6158083 Wet/dry vacuum with reduced operating noise  
A wet/dry vacuum appliance having enhanced air-handling performance and reduced operating noise is described. In one embodiment, the collector scroll in a wet/dry vacuum is configured so as to...
6105205 Power working machine  
A power working machine has a noise level display device which enables the noise level of the machine to be easily recognized with the naked eyes. When compressed air that is pressurized and...
6094774 Silencer for a suction cleaner  
A suction cleaner comprising a motor which operates a blower in such a manner that the blower blows a flow of air out into a motor chamber that delimits a volume which extends at least radially...
6085382 Air filtrating self-propelled upright vacuum cleaner  
Disclosed is a unique and novel air filtrating, self-propelled upright vacuum cleaner. The filtration system utilizes a HEPA-rated air filter as a final filtering element. The disclosed vacuum...
6079076 Vacuum cleaner collection bag  
A vacuum cleaner has an electric motor driving an air impeller for creating suction and a pump which draws liquid material through an inlet tube from the bottom of a tank and expels it from the...
6070289 Low noise vacuum cleaner  
A low noise vacuum cleaner is comprised of a dust collecting chamber having a paper filter, and air blowing chamber partitioned by a wall. The air blowing chamber comprises an air suction motor, a...
6052863 Central vacuum cleaner muffler  
A central vacuum cleaner having an air flow exhaust pipe is provided with a muffler comprising an elongated muffler pipe having a reduced diameter inlet and a reduced diameter outlet and a noise...
6035485 Vacuum cleaner muffler/deflector  
A combined muffler and air deflector apparatus for a vacuum cleaner includes a body having first and second ends, the first end adapted to be coupled to a blower port of a vacuum cleaner. A cap has...
Matches 1 - 50 out of 152 1 2 3 4 >