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| Number | Title | Issue Date |
| 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 close between the motor housing and a stator core and, thus, to restrict... | 11/01/2011 |
| 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 main body, an expandable extending tube connected to the connecting hole... | 09/07/2010 |
| 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 (3). A back carrier frame (... | 08/17/2010 |
| 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 hollow interior, and an acoustic damping pathway. Examples of the acous... | 04/06/2010 |
| 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 housing. A dirt collection vessel is received in the receiver. A fina... | 01/19/2010 |
| 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 removable cap assembly for the blower port to direct discharge airflow via... | 12/08/2009 |
| 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 discharged from the motor chamber to the outside of a cleaner body, wherein th... | 10/06/2009 |
| 7475449 | Vacuum cleaner A vacuum cleaner includes a main body, a motor assembly installed at the main body, the motor assembly including a motor for generating a suction force, an exhaust filter for filtering fine foreign substances from air passing through the motor assembly, and a guide ... | 01/13/2009 |
| 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 outwardly from the first portion. The second portion is adapted for carryin... | 10/21/2008 |
| 7434293 | Vacuum cleaner A vacuum cleaner is disclosed. The vacuum cleaner includes a motor casing to receive a driving motor with an air outlet through which air from a dust collecting chamber flows. The vacuum cleaner includes a cleaner body with a driving chamber that receives the motor ... | 10/14/2008 |
| 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 collecting the debris. An improved sound reducer is mounted in the motor c... | 10/14/2008 |
| 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 portions thereof, so as to prevent substantially the collision of air st... | 08/12/2008 |
| 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 membrane (M) to establish suction in a collector (S) of particles picked u... | 04/15/2008 |
| 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 motor fan 20 provided in a back po... | 03/04/2008 |
| 7337876 | Suction apparatus with noise reduction means A suction apparatus is provided with noise reduction means in one or more airflow passages for reducing noise emission from an airflow generator or the like, wherein at least one airflow passage is provided with at least one indentation with a predetermined depth ex... | 03/04/2008 |
| 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 in an external air, and a rotation body rotatably mounted to the assem... | 02/26/2008 |
| 7310603 | Voice control apparatus of vacuum cleaner and method thereof A voice control apparatus of a vacuum cleaner includes: a sense signal detector for detecting a sense signal provided from a user to provide a voice recognizable environment in an ambience; a voice command recognizing unit for temporarily stopping a driving of a mot... | 12/18/2007 |
| 7287301 | Utility vacuum A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an ex... | 10/30/2007 |
| 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 extending around its periphery to form a lip extending from the first side... | 09/04/2007 |
| 7254864 | Hard floor cleaner A floor cleaning device (10) includes a housing (40) and a container (43) removably received by the housing. A suction nozzle (18, 18′, 18″) is fluidly connected with the container and with a suction source (52) when the contai... | 08/14/2007 |
| 7246410 | Vacuum cleaning tool having an air turbine with stabilizing air stream A vacuum cleaning tool has a housing having a turbine chamber and a bottom plate. A working tool is rotatably supported in the housing. An air turbine for driving the working tool is arranged in the turbine chamber and has axial end faces defining a gap relative to ... | 07/24/2007 |
| 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 end, there is the noise suppressing chamber. At the air intake end and... | 06/05/2007 |
| 7219764 | Exhaust muffler A muffler may comprise a casing having an internal volume, an inlet and an outlet, and a diverter plate dividing the internal volume into a first chamber and a second chamber. The diverter plate may comprise a baffle wall portion and at least one diverter having a d... | 05/22/2007 |
| 7214314 | Cleaning apparatus and method A portable cleaning device for removing sediment from an enclosure retaining water. The cleaning device includes a pump, a housing, and a receptacle. The pump creates a fluid flow through the cleaning device. The cleaning device draws water from the enclosure into t... | 05/08/2007 |
| 7210912 | Reciprocating piston compressor having improved noise attenuation A reciprocating piston compressor having a suction muffler and a pair of discharge mufflers to attenuate noise created by the primary pumping frequency in the primary pumping pulse. The suction muffler is disposed along a suction tube extending between the motor cap... | 05/01/2007 |
| 7208050 | Direct drive industrial carpet cleaner An interface assembly for interconnecting respective housings and output and input drive shafts of a power plant and a vacuum blower by hard mounting, the interface assembly including: an adapter plate secured to a housing of the power plant in rigid and rotationall... | 04/24/2007 |
| 7203994 | Compressed air vacuum cleaner A vacuum cleaner powered by compressed air includes a canister forming an internal collection chamber. The vacuum cleaner includes a drain at the bottom of the collection chamber from which liquid and debris can be drained, and may also provide for pressurizing the ... | 04/17/2007 |
| 7201785 | Dust collector for vacuum device A dust collector includes a base, a cover, and a barrel disposed between the base and the cover. The barrel includes a lower frame, an upper frame, one or more intermediate frames, and one or more telescopic tubes selectively secured to the frames, to form a spatial... | 04/10/2007 |
| 7194782 | Wearable garment that dispenses multiple cleaning solutions and vacuum residual waste fluids An adjustable garment made to contain multiple bladder reservoirs for holding liquid cleaning agents and a separate cordless mechanism for producing a vacuum under wet or dry conditions. The liquid cleaning agents in the bladders can be selected via a knob on the ga... | 03/27/2007 |
| 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 conventional vacuum cleaner (7) of the type that comprises an in... | 03/20/2007 |
| 7185393 | Leaf blower Leaf blower that is carried on the back of the operator comprising at least an engine (14) and a fan. The fan is provided with an air inlet (13) placed on the side of the fan that is facing away from the back of the operator. The air stream is passing ... | 03/06/2007 |
| 7179062 | Integrated shop vacuum and air compressor system An integrated, yet divisible shop vacuum and air compressor system is provided with a blower, a wet and dry vacuuming section and a compressor section, each of which is mounted on a easy to relocate trolley. The vacuum system has a separate motor from the compressor... | 02/20/2007 |
| 7179141 | Personal air propulsion device A backpack with backpack frame and adjustable shoulder harness removably fitting a person, the backpack further comprising an internal combustion engine with a pulley system connecting the engine to a propeller axle with propeller, a propeller surround with air inta... | 02/20/2007 |
| 7175398 | Integrally molded sound housing for blower motor A heating and air-conditioning (HVAC) module for an automotive vehicle wherein the electric motor for the blower includes a double walled motor housing for noise abatement. The housing defines a cup-shaped inner casing with an open end and a closed end. An outer cas... | 02/13/2007 |
| 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 upright vacuum cleaner further includes a dirt cup removably secured to... | 01/09/2007 |
| 7159691 | Casing for leaf blower Conventional leaf blowers have a supporting frame to where the different components are attached. In order to reduce the noise from the tool and protect some of the components are they provided with covers. This makes the tool heavy and complicated for the operator ... | 01/09/2007 |
| 7144438 | Dust collecting container for vacuum cleaner A dust collecting container for a vacuum cleaner is removably mounted in a suction chamber of a cleaner body to filter a dust from a dust-laden air being drawn into the suction chamber through an air suction hole that is connected with the outside. The dust collecti... | 12/05/2006 |
| 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, with the chamber inlet being fluidically connected with at least one of ... | 10/03/2006 |
| 7100236 | Buffer structured castor wheel for vacuum cleaner Buffer structured castor wheel for a vacuum cleaner, which is modified and disposed appropriately for preventing the vacuum cleaner from bitting a wall and the like directly, including two or more than two castor wheel assemblies fitted to a front bottom of a vacuum... | 09/05/2006 |
| 7055213 | Power blower having a debris-catching cover A power blower includes a frame, and a blower mounted on the frame. An air intake port of the blower faces the frame. There is provided an air intake space between the blower and the frame. A debris-catching cover is constructed between the frame side and the blower... | 06/06/2006 |
