753results about "Motor fan assembly mounting" patented technology

A vacuum cleaner comprises adjacent housings, which contain the filtration and suction fan motor assembly of the vacuum cleaner.

A vacuum cleaner comprises adjacent housings, which contain the filtration and suction fan motor assembly of the vacuum cleaner.

A handheld cleaning appliance includes a dirty air inlet, a clean air outlet and separating apparatus for separating dirt and dust from an airflow in an airflow path leading from the air inlet to the air outlet. The cyclonic separator is arranged in a generally upright orientation. A base surface of the main body and a base surface of the cyclonic separator together form a base surface of the appliance for supporting the appliance on a surface. By providing a base surface of the appliance which is made up of the base surface of the main body and the base surface of the cyclonic separator, the appliance is provided with a substantial base surface on which the appliance can be stably and reliably supported. This is also achieved without substantially increasing the size of the appliance as a whole.

A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement comprising: a motor coupled to a fan for generating air flow; and a cyclonic separation apparatus located in a path of the air flow generated by the fan, wherein the cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port wherein the cyclones are arranged in a generally circular array about a central axis of the cyclonic separation apparatus; and a cooling air flow path, wherein the motor is nested within the generally circular array of cyclones and wherein the motor is located in the cooling air flow path. A vacuum cleaner comprising the motor, fan and cyclonic separation apparatus arrangement.

In a first aspect, the present invention provides a motor, fan and filter arrangement for a vacuum cleaner, comprising: a motor (10); a fan (20) connected to an output shaft (12) of the motor and having an axial intake; and a filter (30, 230, 330); wherein the fan (20) is arranged with its axial intake facing the motor (10); and the motor (10) is housed within the filter (30, 230, 330). Such an arrangement makes much more efficient use of space than a conventional arrangement and allows the motor to be positioned within the filter in a reversed direction in comparison to conventional arrangements, so that clear air from the filter can be drawn over the motor before encountering the fan. This also has the beneficial side-effect of cooling the motor with the filtered air.; In a second aspect, the present invention also provides vacuum cleaners (100, 200, 300) comprising such a motor, fan and filter arrangement. Preferred embodiments of such vacuum cleaners are described, including a pivotable stick vac and different hand-holdable vacuum cleaners.

A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner comprising: a motor coupled to a fan for generating air flow; and a cyclonic separation apparatus located in a path of the air flow generated by the fan. The cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port; and a cooling air flow path. The motor comprises a permanent magnet brushless motor, a switched reluctance motor or a flux switching motor. The fan has an outer diameter the same or less than the diameter of the motor. The plurality of cyclones, the motor and the fan are arranged in a circular array about a central axis of the cyclonic separation apparatus. The arrangement comprises a baffle for directing air flow from the fan out of the circular array. The motor is located in the cooling air flow path.

A diffuser plate 22 for a bypass blower motor assembly has a number of vanes 34 for guiding air flow from an impeller to outlet openings in an impeller housing. Each vane has two curved air guiding blades 36, 37. One blade 36 guides the air axially and circumferentially from the impeller towards the outlet openings and the other blade 37 guides the air radially through the outlet openings.

A hand-held cleaning appliance includes a suction conduit having a longitudinal axis, an airflow generator generating an airflow along the suction conduit, a separating apparatus arranged in communication with the suction conduit for separating dirt and dust from the airflow, a power source supplying power to the airflow generator and an elongate handle disposed between the airflow generator and the power source. The elongate handle is dimensioned and arranged to be gripped by a user's hand and the elongate handle lies transverse to the longitudinal axis of the suction conduit. By providing a hand-held vacuum cleaner with such an arrangement, the hand-held vacuum cleaner is easier and more comfortable to manipulate in use.

A hand-held and conversion vacuum cleaner includes a housing carrying a suction generator, a dirt collection vessel and a suction inlet. A first connector is carried on the housing. The first connector secures the suction inlet in fluid communication with a first cleaning attachment. The vacuum cleaner also includes an adapter having a second connector that secures the suction inlet in fluid communication with a second cleaning attachment.

A discharge apparatus of a vacuum cleaner, which does not allow a sealing to break due to a discharge force, and a vacuum cleaner having the same, are provided. The discharge apparatus includes a motor to generate a discharge force, a discharge filter unit to filter discharged air, a housing to support the motor, and comprising a filter accommodating unit integrally foxed thereon to receive the discharge filter unit therein, and a sealing member to seal a space defined between the discharge filter unit and the filter accommodating unit.

A cleaning appliance of the canister type includes a substantially spherical floor engaging rolling assembly comprising a fluid inlet for receiving a fluid flow and a device for acting on the fluid flow received through the inlet, and a steering mechanism for steering the cleaning appliance.

A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone. The cyclone and the suction motor are positioned side by side and have generally parallel longitudinal axes. The dirt collection chamber may surround part of the suction motor. Alternately, or in addition, a pre-motor filter having an enhanced surface area may be provided by configuring the pre-motor filter to extend outwardly of the pre-motor filter, such as by overlie part of the cyclone or the dirt collection chamber.

A steam nozzle attachment for a steam cleaner having a substantially rectangular frame with a steam outlet positioned between the front and rear walls of the frame is provided. A plurality of baffles to distribute steam are disposed substantially perpendicular to the steam nozzle between the side walls of the frame. A replaceable fabric pocket that fits snugly over the frame is provided to distribute cleaning steam to the surface to be cleaned.

A wet / dry type vacuum cleaner has a suction generator, a cleaner body including the suction generator at one side of a lower portion, an intake port being connected with a nozzle that is movable along a surface to be cleaned, and a discharge port through which a clean air is discharged, a contaminant separator removably mounted in the cleaner body to separate contaminant-laden wet air drawn through the intake port into the contaminant and water components and air, and then to store the separated contaminant and water therein, a cover, being open and closed, disposed on an upper portion of the cleaner body to seal an upper opening of the cleaner body, and a discharge path opening a fluid communication between the contaminant separator and the discharge port, for the air separated at the contaminant separating means to be discharged out through the discharge port of the cleaner body. Since the suction generator is provided at the lower portion of the cleaner body instead of the upper portion, the cover can be constructed in a simple manner and a user can remove the contaminant receptacle by simply opening the cover and emptying the contaminant receptacle.

A portable air-blowing working machine includes a prime mover and an air-blowing system. The air-blowing system incorporates first-stage and second-stage centrifugal air-blowing sections, which are rotatably driven by an output shaft of the prime mover and are interconnected by an air-blowing passage for delivering air discharged from the first-stage air-blowing section to the intake of the second-stage. In operation, external air is drawn into the first-stage air-blowing section, increased therein in velocity and pressure, and then continuously discharged via the air-blowing passage to the second-stage air-blowing section, where the air is further accelerated and compressed before being finally discharged to the atmosphere.

A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone. The cyclone and the suction motor are positioned side by side and have generally parallel longitudinal axes. The dirt collection chamber may surround part of the suction motor. Alternately, or in addition, a pre-motor filter having an enhanced surface area may be provided by configuring the pre-motor filter to extend outwardly of the pre-motor filter, such as by overlie part of the cyclone or the dirt collection chamber.

The present invention relates to a cyclonic vacuum cleaner and, more specifically, to a cyclonic vacuum cleaner having a cyclonic station that maintains a vertical position when the vacuum is maneuvered across a floor space. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

A wet / dry utility vacuum with a canister, a powerhead assembly with a fan, a shut-off device that prevents the fan from drawing liquids into the fan inlet when a volume of the liquid in the canister exceeds a predetermined volume. The powerhead assembly includes a controller that permits the utility vacuum to be operated in a desired power mode so that the user may employ either an AC power source or a DC power source, such as a battery pack, for example. In some applications, the battery pack may be interchangeable with the battery packs of various cordless tools, including drill / drivers and saws. A tool set and a method for operating a battery-powered tool set are also provided.

　Provided is an electric vacuum cleaner in which quietness can be improved without increasing size while air-intake balance is guaranteed. The electric vacuum cleaner has an electric air blower (25). The electric vacuum cleaner has a separating section (39) for separating dust drawn in by the electric air blower (25). The separating section (39) is provided with a first centrifugal separating section (32) for centrifugally separating dust drawn in by the electric air blower (25). The separating section (39) is provided with a plurality of second centrifugal separating sections (36) for centrifugally separating dust that is smaller than the dust separated in the first centrifugal separating section (32). The second centrifugal separating sections (36) are in communication with the downstream side of the first centrifugal separating section (32), and are respectively arranged in positions on opposite sides of the electric air blower (25).

An upright vacuum cleaner having dual cleaning motor and fan units is provided having a cleaning head engagable with a floor and a suction nozzle and a brush roller rotatably mounted therein. A first motor and fan unit is mounted in the vacuum cleaner for producing suction in the suction nozzle and is operatively connected to the brush roller for rotating it. An upright housing is connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use. Contained in the housing are a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the storage container and a second motor and fan unit operatively associated with the storage container for drawing dirt laden air from the cleaning head through the passageway and into the storage container simultaneously with operation of the first motor and fan unit.

Disclosed herein is a vacuum cleaner with an integrated handheld vacuum cleaner unit that includes a dust container detachably mounted on a body of the vacuum cleaner and configured to perform vacuum cleaning via air suction in a detached state. The dust container of the vacuum cleaner permits vacuum cleaning not only in a state of being mounted in the body, but also in a state of being detached therefrom. Accordingly, the vacuum cleaner of the present invention can eliminate needs of separately buying a larger vacuum cleaner and a smaller vacuum cleaner, thereby being more economical for consumers.

A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement comprising: a motor (16) coupled to a fan (18) for generating air flow,a cyclonic separation apparatus (8) located in a path of the air flow generated by the fan,and a pre-fan filter (40) located in the path of the air flow downstream of the cyclonic separation apparatus and upstream of the fan (18), wherein the cyclonic separation apparatus comprises at least one cyclone (84) comprising: a cyclone body (85,86) with a longitudinal axis (57),an air inlet port (88) arranged tangentially through a side of the cyclone body,and an air outlet port (56) through a longitudinal end of the cyclone body, wherein the pre-fan filter (40) is arranged upon the air outlet port of the or each cyclone.

A motor, fan and dirt separating means arrangement for a vacuum cleaner, the arrangement comprising: a motor with a drive shaft; a fan coupled to the motor for generating air flow; and a dirt separating means located in a cleaning path of the air flow, the cleaning path being between a dirty air inlet and the fan, wherein the motor is located in a cooling path of the air flow, the cooling path being between a clean air inlet and the fan, wherein the air flow through the cleaning path is substantially greater than through the cooling path in normal operating conditions and wherein the cleaning path and the cooling path of the air flow combine substantially at the fan inlet. A vacuum cleaner comprising the motor, fan and dirt separating means arrangement.

A battery-powered handheld vacuum device for use on building sites includes: a dust collection box; and a motor housing, in which a drive motor provided with a fan impeller and a battery pack for supplying current to the drive motor independently of an electrical network are provided. The dust collection box is fixed in place on the motor housing in releasable manner. A handle, with which the battery pack engages at least sectionally, is formed on the motor housing.

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 member for guide a portion of air going via the exhaust filter to the inside of the main body. The guide member has a horizontal guide member and a vertical guide member for guiding portions of air passing through the exhaust filter to the side and the top of the main body respectively.

A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement comprising: a motor coupled to a fan for generating air flow; and a cyclonic separation apparatus located in a path of the air flow generated by the fan, wherein the cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port wherein the cyclones are arranged in a generally circular array about a central axis of the cyclonic separation apparatus; and a cooling air flow path, wherein the motor is nested within the generally circular array of cyclones and wherein the motor is located in the cooling air flow path. A vacuum cleaner comprising the motor, fan and cyclonic separation apparatus arrangement.