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8046869 Motor-noise absorbing apparatus of vacuum cleaner  
A motor-noise absorbing apparatus of a vacuum cleaner is disclosed. The motor-noise absorbing apparatus includes a body seated and fixed on a peripheral part of an opening of a motor housing to...
7998260 Cyclone silencer of cleaner and dust removing device having the same  
A cyclone silencer of cleaner includes an outlet pipe(2) partially inserted into a cyclone cylinder (1). Ribs (3) are arranged on the lower edge of said outlet pipe (2) and extend downwardly to...
7856694 Nozzle assembly of vacuum cleaner  
A nozzle assembly of a vacuum cleaner is provided that includes a casing, a suction port, a drum brush, a fan, and a blocking plate. The drum brush is rotatably disposed in the casing so drum...
7788763 Fan motor noise reduction device and vacuum cleaner with the same  
A vacuum cleaner includes a fan motor generating air current, a main body receiving the fan motor, a wheel allowing the main body to smoothly move, a flexible connecting hose extending from the...
7774898 Vacuum cleaner and method for reducing noise generated thereby  
A vacuum cleaner has a discharge flow path and a discharged-air filter optimally positioned to reduce noise. The vacuum cleaner includes a body, a dust collection unit positioned in the body to...
7774896 Backpack suction/blower apparatus  
A backpack suction/blower apparatus has a blower unit (1) which includes a drive motor (2), a blower (3), which is driven by the drive motor (2), and a blower tube (4) extending from the blower...
7761957 Vacuum canister with dual removable motors  
A canister of a vacuum cleaning system has first and second motor support plates mounted within the canister forming an intervening chamber and an upper motor cooling chamber. An auxiliary plate is...
7716785 Floor cleaning machine  
The present invention refers to a floor cleaning machine comprising a brush adapted to scrub the floor with a cleaning, i.e. detergent, liquid in view of removing soil and dirt therefrom, and a...
7690077 Central vacuum units with an acoustic damping pathway  
Central vacuum units are provided with a canister having a sidewall forming a hollow interior, a vacuum motor disposed within the hollow interior, an exhaust port in fluid communication with the...
7647670 Vacuum cleaner with final filtration compartment for reducing noise  
A vacuum cleaner is provided including a housing having a nozzle assembly with a suction inlet and a canister assembly with a dirt collection vessel receiver. A suction generator is carried on the...
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...
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...
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 m...
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, and a...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 158 1 2 3 4 >