US20090276974A1 - Cordless Hand-Held Rechargeable Vacuum Cleaner and Charger Unit Therefore - Google Patents
Cordless Hand-Held Rechargeable Vacuum Cleaner and Charger Unit Therefore Download PDFInfo
- Publication number
- US20090276974A1 US20090276974A1 US12/405,108 US40510809A US2009276974A1 US 20090276974 A1 US20090276974 A1 US 20090276974A1 US 40510809 A US40510809 A US 40510809A US 2009276974 A1 US2009276974 A1 US 2009276974A1
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- US
- United States
- Prior art keywords
- vacuum cleaner
- charging unit
- dust cup
- housing
- housing half
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 29
- 238000010410 dusting Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
- A47L9/2884—Details of arrangements of batteries or their installation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- This disclosure is related to the vacuum cleaner arts, and more particularly to a cordless hand-held rechargeable vacuum cleaner, hereinafter also referred to simply as a vacuum cleaner, and a charging base unit for the vacuum cleaner.
- FIG. 1 is a front perspective view of a cordless hand-held rechargeable vacuum cleaner received by a charging unit.
- FIG. 2 is a rear perspective view of the vacuum cleaner shown in FIG. 1 received in the charging unit.
- FIG. 3 is an exploded perspective view of the vacuum cleaner and the charging unit depicted in FIG. 1 , along with an external power supply for providing power to the charging unit.
- FIG. 4 is a front perspective view of the vacuum cleaner shown in FIG. 1 .
- FIG. 5 is rear perspective view of the vacuum cleaner shown in FIG. 4 .
- FIG. 6 is a cross-sectional view of the vacuum cleaner shown in FIG. 4 .
- FIG. 6 is a cross-sectional view taken along lines A-A of FIG. 16 .
- FIG. 7 is an enlarged lower perspective view of a filter assembly found in the vacuum cleaner shown in FIG. 4 .
- FIG. 8 is a front perspective view of the charging unit shown in FIG. 1 .
- FIG. 9 is an upper rear perspective view of the charging unit shown in FIG. 8 .
- FIG. 10 is a reduced top plan view of the vacuum cleaner and charging unit shown in FIG. 1 .
- FIG. 11 is a reduced front end view of the vacuum cleaner and charging unit shown in FIG. 1 .
- FIG. 12 is a reduced cross-sectional view taken along lines A-A in FIG. 10 .
- FIG. 13 is a reduced rear end elevation view of the vacuum cleaner and charging unit shown in FIG. 1 .
- FIG. 14 is a reduced side elevation view of the vacuum cleaner and charging unit shown in FIG. 1 .
- FIG. 15 is a reduced bottom plan view of the vacuum cleaner and charging unit shown in FIG. 1 .
- FIG. 16 is a reduced top plan view of the vacuum cleaner shown in FIGS. 1 and 4 .
- FIG. 17 is a reduced front end view of the vacuum cleaner shown in FIGS. 1 and 4 .
- FIG. 18 is a reduced rear end view of the vacuum cleaner shown in FIGS. 1 and 4 .
- FIG. 19 is a reduced side elevation view of the vacuum cleaner shown in FIGS. 1 and 4 .
- FIG. 20 is a reduced bottom plan view of the vacuum cleaner shown in FIGS. 1 and 4 .
- FIG. 21 is a cross-sectional view similar to FIG. 6 depicting the suction path through the vacuum cleaner.
- FIG. 22 is a top plan view of the vacuum cleaner with an upper housing half removed from a lower housing half to show internal components of the vacuum cleaner.
- a cordless hand-held rechargeable vacuum cleaner 10 hereinafter referred to as a vacuum cleaner, is shown received in a charging unit 12 (also referred to as a charging base).
- the vacuum cleaner is useful for cleaning around computers and other electrical equipment.
- the vacuum cleaner 10 can be used in a variety of other environments as well.
- the charging unit 12 is configured to receive electrical power from a USB port, for example a USB port located on a computer.
- the charging unit 12 is also configured to receive power from an external power supply 14 ( FIG. 3 ) that includes a USB port which allows the base unit to be charged from a standard electrical outlet via the external power supply.
- the vacuum cleaner 10 includes a contoured housing 20 that is shaped to be easily gripped by a person's hand. Accordingly, the housing 20 can provide a handle for the vacuum cleaner 10 .
- the vacuum cleaner 10 includes a suction inlet 22 at one end of the housing 20 and an exhaust 24 at an opposite end. Having the exhaust 24 located adjacent an end of the housing 20 allows an operator to use the vacuum cleaner as a blower. When used as a blower, the vacuum cleaner can be used to clean keyboards or other equipment that is typically cleaned using a can of compressed air. In other words, by simply reversing the orientation of the vacuum cleaner 10 as held in the hand of the user, either the suction end or the exhaust end of the vacuum cleaner can be employed for the desired purpose.
- the housing 20 in the depicted embodiment comprises an upper housing half 26 that fastens to a lower housing half 28 using fasteners 32 .
- the upper housing half 26 and the lower housing half 28 can be attached to one another in other conventional manners, e.g. sonic welding.
- a front inlet 34 is trapped between the upper housing half 26 and the lower housing half 28 (see also FIG. 6 ).
- the front inlet 34 includes an opening 36 , which defines a portion of a suction path of the vacuum cleaner. The suction path will be described in more detail below.
- a dust cup 38 attaches to the front inlet 34 upstream (forward towards the suction inlet 22 ) from the opening 36 .
- the dust cup 38 includes at least one flange 42 that cooperates with a flange 44 formed on the front inlet 34 to retain the dust cup 38 to the front inlet.
- An operator of the vacuum cleaner 10 can remove the dust cup 38 by rotating the dust cup so that the flange 42 of the dust cup no longer contacts the flange 44 of the front inlet 34 , which allows the dust cup to be removed from the front inlet.
- the dust cup 38 defines the suction inlet 22 for the vacuum cleaner 10 .
- a flapper or inlet valve 50 is received in the dust cup 38 and blocks the suction path just downstream from the suction inlet 22 .
- stakes 52 are provided in the dust cup 38 and the flapper 50 includes openings 54 ( FIG. 3 ) for receiving the stakes 52 to attach the flapper inside the dust cup.
- the flapper 50 is drawn in to the dust cup 38 , unblocking the suction path, in response to air being drawn into the dust cup 38 . When no suction is exerted on the dust cup, the flapper 50 will revert back to its closed position.
- the dust cup 38 also includes a ledge 56 against which the flapper 50 rests when air is not being drawn into the dust cup 38 .
- a fan assembly is provided in the housing 20 of the vacuum cleaner 10 to draw air through the suction path.
- the fan assembly includes a motor 60 , a diffuser 62 , an impeller 64 , a fan top 66 , and a fan cover 68 .
- An output shaft 72 of the motor 60 is inserted through a central opening 74 of the diffuser 62 to be received in a central opening 76 of the impeller 64 to connect the motor to the impeller.
- the fan top 66 includes a central opening 78 that defines a portion of the suction path.
- the fan cover 68 includes a forwardly extending tubular projection 82 that bends (see FIG. 6 ) and defines a passage 84 through the fan cover to further define the suction path.
- the diffuser 62 includes a rearwardly extending bore 90 that is configured to receive the motor 60 .
- the diffuser 62 is trapped between the upper housing half 26 and the lower housing half 28 .
- the diffuser 62 includes radial vanes 94 ( FIG. 3 ) that define passages 96 that define a portion of the suction path to enable air drawn through the vacuum cleaner to bypass the motor 60 .
- the design of the suction path also provides a means for cooling the motor and other electrical components in the vacuum cleaner.
- the fan cover 68 engages the diffuser 62 and is also trapped between the upper housing half 26 and the lower housing half 28 .
- the fan top 66 is received in the fan cover 68 to cover the impeller 64 .
- the tubular extension 82 of the fan cover 68 is smoothly bent to direct air along the curved suction path through the vacuum cleaner.
- the fan cover 82 engages the front inlet 34 and is trapped between the upper housing half 26 and the lower housing half 28 . Accordingly, the motor 60 , the fan diffuser 62 , the fan top 66 , and the fan cover 68 are all fixed in the housing 20 between the upper housing half 26 and the lower housing half 28 .
- the motor 60 is electrically driven.
- a battery housing 100 is received in the housing 20 between the upper housing half 26 and the lower housing half 28 .
- Electrical contacts 102 and 104 are disposed at opposite ends of the battery housing 100 .
- a battery 106 which in the depicted embodiment is a rechargeable lithium battery, is received in the battery housing 100 to provide electrical power to the motor 60 .
- the battery contacts 102 and 104 are electrically connected to a printed circuit board (PCB) assembly 108 , which is electrically connected to vacuum cleaner charging contacts 112 and the electrical motor 60 .
- the vacuum cleaner contacts 112 connect to a lower portion of the fan cover 68 and extend through a notch 114 formed at a forward edge of the lower housing half 28 .
- a switch 116 ( FIG. 6 ) is found on the printed circuit board assembly 108 to control the delivery of electrical energy from the battery 106 to the motor 60 .
- a button cover 118 including an integrally formed axle 122 and a protuberance 124 covers an opening 126 formed through the lower housing half 28 .
- the axle 122 is received by inwardly extending catches 128 formed on an inner surface of the lower housing half 28 .
- the button cover 118 pivots about a rotational axis of the axle 122 .
- a spring 132 engages against a lower surface of the battery housing 100 to urge the button cover 118 away from the switch 116 .
- An indicator light 134 is connected to the PCB assembly 108 .
- a fuse 136 is also in electrical communication with the PCB assembly 108 . The fuse 136 protects the motor 60 from power surges.
- air is drawn through the suction inlet 22 and out the exhaust 24 .
- An operator grips the housing 20 (the housing being small enough so that a person's hand can surround or nearly surround the housing) and presses the button cover 118 , which results in electrical power being delivered from the battery 106 to the motor 60 .
- Air is drawn in to the dust cup 38 and through a filter assembly 140 , which includes a filter frame 142 and a filter 144 (depicted in phantom in FIG. 7 ) which will be described in more detail below.
- the air then passes through the passage 84 of the fan cover 68 and the opening 78 ( FIG. 3 ) of the fan top 66 .
- the impeller 64 rotates filtered air is pushed through the passages 96 between the vanes 94 of the diffuser 62 and around the motor 60 traveling through the housing 20 between the upper housing 26 and the lower housing 28 towards and the exhaust 24 .
- the vacuum cleaner 10 can also be used as a blower to remove dust between crevices and other hard to reach places.
- the filter assembly 140 is shown with the filter 144 attached to the filter frame 142 .
- the filter 144 can be made from cellulosic materials like paper, and polymeric materials like nylon, polypropylene and the like for a filter material form of discontinuous fibers or continuous woven fibers.
- the filter 144 can heat bonded or glued to the filter frame 142 .
- the filter frame 142 includes a circular peripheral ledge 146 that extends outwardly from a cylindrical tubular section 148 . With reference to FIG. 6 , the peripheral ledge 146 is trapped between an internal shoulder 152 formed in the dust cup 38 and the front inlet 34 when the dust cup 38 is attached to the front inlet.
- a notch 154 is formed in the peripheral ledge 146 and cooperates with the shoulder 152 formed in the dust cup 38 to properly align the filter assembly 140 in the vacuum cleaner 10 .
- An upper circular flared edge 156 of an annular flange 158 that extends upwardly from the ledge 146 also engages the dust cup 38 (see FIG. 6 ) to retain the filter assembly 140 in the vacuum cleaner.
- the tubular section 148 defines a passage 160 that also defines a portion of the suction path.
- An upper (downstream) edge 162 of the tubular section 146 is flared outwardly to engage the front inlet 34 .
- a U-shaped strut 164 extends upwardly (downstream) from the upper flared edge 162 of the tubular section 148 and substantially bisects the suction path.
- the filter 144 attaches to an external surface of an upstream section, with respect to the ledge 148 , of the tubular section 148 .
- the filter 144 folds over an upstream circular edge of the tubular section 146 and extends into and through the passage 160 .
- the filter attaches to the U-shaped strut 164 .
- the filter 144 could be attached over the upper edge 162 of the tubular section 148 and draped over the U-shaped 164 with the filter being secured to both of them if so desired.
- the filter 144 is disposed downstream from the dust cup 38 and resides in the curved passage 84 of the fan cover 68 .
- the filter assembly 140 is also removable from the vacuum cleaner 10 . When the dust cup 38 is detached from the front inlet 34 , the filter assembly 140 is removed with the dust cup. The filter assembly 140 can then be detached from the dust cup (so that the dust cup can be emptied) and cleaned as desired. Also, the filter assembly 140 can be sold as a separate unit from the vacuum cleaner 10 as a replacement part.
- a crevice tool 170 and a dusting brush assembly 172 can also be provided with the vacuum cleaner 10 .
- the crevice tool 170 can be received inside the dusting brush assembly 172 and the dusting brush assembly can engage an upper flange 176 that depends downwardly from the upper housing half 26 and a lower flange 178 that extends upwardly from the lower housing half 28 .
- the crevice tool 170 and the dusting brush assembly 172 can be stored adjacent the exhaust 24 of the vacuum cleaner.
- the crevice tool 170 and the dusting brush assembly 172 can be removed from the housing 20 and each can be inserted into the inlet 22 .
- the charging unit 12 includes a housing 200 that defines a receptacle 202 to receive the dust cup end of the vacuum cleaner 10 .
- the battery 106 can be recharged.
- the charging unit housing 200 includes an upper housing half 210 that attaches to a lower housing half 212 via conventional fasteners 214 .
- Charging base feet 216 cover the fasteners 214 .
- a charging base inner housing 218 is trapped between the upper housing 210 and a lower housing 212 and defines the receptacle 202 ( FIG. 9 ).
- Charging base contacts 218 are received in slots 222 defined between upwardly extending flanges 224 formed in the lower base unit housing 212 . These contacts 218 are electrically connected to a charging base printed circuit board assembly 226 that attaches to the lower charging unit housing 212 using fasteners 228 .
- a USB cable 232 connects to the PCB assembly 226 and extends outwardly from the housing 200 ( FIG. 9 ) through aligned notches 234 and 236 formed in the upper charging unit housing 210 and the lower charging unit housing 212 , respectively.
- the USB cable 232 can be inserted into a USB port found on a computer to charge the battery 106 .
- the USB cable 232 can be received in the USB port (not visible) found in the external power supply 14 so that the vacuum cleaner can be charged directly from a standard wall outlet.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Computer Hardware Design (AREA)
- Battery Mounting, Suspending (AREA)
- Electric Vacuum Cleaner (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A cordless hand-held rechargeable vacuum cleaner and a charging base unit for the vacuum cleaner is disclosed. The vacuum cleaner charging unit is configured to receive electrical power from a USB port, such as a USB port located on a computer. The charging unit can also be configured to receive power from an external power supply that includes a USB port which allows the base unit to be charged from a standard electrical outlet via the external power supply. The vacuum cleaner is useful for cleaning around computers and other electrical equipment, and can be easily gripped by a person's hand.
Description
- This application claims the benefit of U.S. provisional patent application Ser. No. 61/036,732 entitled CORDLESS HAND-HELD RECHARGEABLE VACUUM CLEANER AND CHARGER UNIT THEREFOR filed Mar. 14, 2008 the entirety of which is hereby incorporated by reference.
- This disclosure is related to the vacuum cleaner arts, and more particularly to a cordless hand-held rechargeable vacuum cleaner, hereinafter also referred to simply as a vacuum cleaner, and a charging base unit for the vacuum cleaner.
-
FIG. 1 is a front perspective view of a cordless hand-held rechargeable vacuum cleaner received by a charging unit. -
FIG. 2 is a rear perspective view of the vacuum cleaner shown inFIG. 1 received in the charging unit. -
FIG. 3 is an exploded perspective view of the vacuum cleaner and the charging unit depicted inFIG. 1 , along with an external power supply for providing power to the charging unit. -
FIG. 4 is a front perspective view of the vacuum cleaner shown inFIG. 1 . -
FIG. 5 is rear perspective view of the vacuum cleaner shown inFIG. 4 . -
FIG. 6 is a cross-sectional view of the vacuum cleaner shown inFIG. 4 .FIG. 6 is a cross-sectional view taken along lines A-A ofFIG. 16 . -
FIG. 7 is an enlarged lower perspective view of a filter assembly found in the vacuum cleaner shown inFIG. 4 . -
FIG. 8 is a front perspective view of the charging unit shown inFIG. 1 . -
FIG. 9 is an upper rear perspective view of the charging unit shown inFIG. 8 . -
FIG. 10 is a reduced top plan view of the vacuum cleaner and charging unit shown inFIG. 1 . -
FIG. 11 is a reduced front end view of the vacuum cleaner and charging unit shown inFIG. 1 . -
FIG. 12 is a reduced cross-sectional view taken along lines A-A inFIG. 10 . -
FIG. 13 is a reduced rear end elevation view of the vacuum cleaner and charging unit shown inFIG. 1 . -
FIG. 14 is a reduced side elevation view of the vacuum cleaner and charging unit shown inFIG. 1 . -
FIG. 15 is a reduced bottom plan view of the vacuum cleaner and charging unit shown inFIG. 1 . -
FIG. 16 is a reduced top plan view of the vacuum cleaner shown inFIGS. 1 and 4 . -
FIG. 17 is a reduced front end view of the vacuum cleaner shown inFIGS. 1 and 4 . -
FIG. 18 is a reduced rear end view of the vacuum cleaner shown inFIGS. 1 and 4 . -
FIG. 19 is a reduced side elevation view of the vacuum cleaner shown inFIGS. 1 and 4 . -
FIG. 20 is a reduced bottom plan view of the vacuum cleaner shown inFIGS. 1 and 4 . -
FIG. 21 is a cross-sectional view similar toFIG. 6 depicting the suction path through the vacuum cleaner. -
FIG. 22 is a top plan view of the vacuum cleaner with an upper housing half removed from a lower housing half to show internal components of the vacuum cleaner. - With reference to
FIGS. 1 and 2 , a cordless hand-heldrechargeable vacuum cleaner 10, hereinafter referred to as a vacuum cleaner, is shown received in a charging unit 12 (also referred to as a charging base). The vacuum cleaner is useful for cleaning around computers and other electrical equipment. Of course, thevacuum cleaner 10 can be used in a variety of other environments as well. Thecharging unit 12 is configured to receive electrical power from a USB port, for example a USB port located on a computer. Thecharging unit 12 is also configured to receive power from an external power supply 14 (FIG. 3 ) that includes a USB port which allows the base unit to be charged from a standard electrical outlet via the external power supply. - With reference to
FIGS. 4 and 5 , thevacuum cleaner 10 includes acontoured housing 20 that is shaped to be easily gripped by a person's hand. Accordingly, thehousing 20 can provide a handle for thevacuum cleaner 10. Thevacuum cleaner 10 includes asuction inlet 22 at one end of thehousing 20 and anexhaust 24 at an opposite end. Having theexhaust 24 located adjacent an end of thehousing 20 allows an operator to use the vacuum cleaner as a blower. When used as a blower, the vacuum cleaner can be used to clean keyboards or other equipment that is typically cleaned using a can of compressed air. In other words, by simply reversing the orientation of thevacuum cleaner 10 as held in the hand of the user, either the suction end or the exhaust end of the vacuum cleaner can be employed for the desired purpose. - With reference back to
FIG. 3 , thehousing 20 in the depicted embodiment comprises anupper housing half 26 that fastens to alower housing half 28 usingfasteners 32. Of course, theupper housing half 26 and thelower housing half 28 can be attached to one another in other conventional manners, e.g. sonic welding. - With continued reference to
FIG. 3 , afront inlet 34 is trapped between theupper housing half 26 and the lower housing half 28 (see alsoFIG. 6 ). Thefront inlet 34 includes anopening 36, which defines a portion of a suction path of the vacuum cleaner. The suction path will be described in more detail below. Adust cup 38 attaches to thefront inlet 34 upstream (forward towards the suction inlet 22) from the opening 36. With reference toFIG. 6 , thedust cup 38 includes at least oneflange 42 that cooperates with aflange 44 formed on thefront inlet 34 to retain thedust cup 38 to the front inlet. An operator of thevacuum cleaner 10 can remove thedust cup 38 by rotating the dust cup so that theflange 42 of the dust cup no longer contacts theflange 44 of thefront inlet 34, which allows the dust cup to be removed from the front inlet. Thedust cup 38 defines thesuction inlet 22 for thevacuum cleaner 10. - A flapper or
inlet valve 50 is received in thedust cup 38 and blocks the suction path just downstream from thesuction inlet 22. With reference toFIG. 6 ,stakes 52 are provided in thedust cup 38 and theflapper 50 includes openings 54 (FIG. 3 ) for receiving thestakes 52 to attach the flapper inside the dust cup. Theflapper 50 is drawn in to thedust cup 38, unblocking the suction path, in response to air being drawn into thedust cup 38. When no suction is exerted on the dust cup, theflapper 50 will revert back to its closed position. Thedust cup 38 also includes aledge 56 against which theflapper 50 rests when air is not being drawn into thedust cup 38. - A fan assembly is provided in the
housing 20 of thevacuum cleaner 10 to draw air through the suction path. As seen inFIG. 3 , the fan assembly includes amotor 60, adiffuser 62, animpeller 64, afan top 66, and afan cover 68. Anoutput shaft 72 of themotor 60 is inserted through acentral opening 74 of thediffuser 62 to be received in acentral opening 76 of theimpeller 64 to connect the motor to the impeller. Thefan top 66 includes acentral opening 78 that defines a portion of the suction path. Thefan cover 68 includes a forwardly extendingtubular projection 82 that bends (seeFIG. 6 ) and defines apassage 84 through the fan cover to further define the suction path. - As more clearly seen in
FIG. 6 , thediffuser 62 includes a rearwardly extendingbore 90 that is configured to receive themotor 60. Thediffuser 62 is trapped between theupper housing half 26 and thelower housing half 28. Thediffuser 62 includes radial vanes 94 (FIG. 3 ) that definepassages 96 that define a portion of the suction path to enable air drawn through the vacuum cleaner to bypass themotor 60. The design of the suction path also provides a means for cooling the motor and other electrical components in the vacuum cleaner. - In the embodiment shown, the
fan cover 68 engages thediffuser 62 and is also trapped between theupper housing half 26 and thelower housing half 28. Thefan top 66 is received in thefan cover 68 to cover theimpeller 64. Due to the contoured shape of thehousing 20, thetubular extension 82 of thefan cover 68 is smoothly bent to direct air along the curved suction path through the vacuum cleaner. Thefan cover 82 engages thefront inlet 34 and is trapped between theupper housing half 26 and thelower housing half 28. Accordingly, themotor 60, thefan diffuser 62, thefan top 66, and thefan cover 68 are all fixed in thehousing 20 between theupper housing half 26 and thelower housing half 28. - In the depicted embodiment, the
motor 60 is electrically driven. Abattery housing 100 is received in thehousing 20 between theupper housing half 26 and thelower housing half 28.Electrical contacts battery housing 100. Abattery 106, which in the depicted embodiment is a rechargeable lithium battery, is received in thebattery housing 100 to provide electrical power to themotor 60. Thebattery contacts assembly 108, which is electrically connected to vacuumcleaner charging contacts 112 and theelectrical motor 60. The vacuumcleaner contacts 112 connect to a lower portion of thefan cover 68 and extend through anotch 114 formed at a forward edge of thelower housing half 28. A switch 116 (FIG. 6 ) is found on the printedcircuit board assembly 108 to control the delivery of electrical energy from thebattery 106 to themotor 60. - A
button cover 118 including an integrally formedaxle 122 and aprotuberance 124 covers anopening 126 formed through thelower housing half 28. Theaxle 122 is received by inwardly extending catches 128 formed on an inner surface of thelower housing half 28. Thebutton cover 118 pivots about a rotational axis of theaxle 122. Aspring 132 engages against a lower surface of thebattery housing 100 to urge thebutton cover 118 away from theswitch 116. Anindicator light 134 is connected to thePCB assembly 108. Afuse 136 is also in electrical communication with thePCB assembly 108. Thefuse 136 protects themotor 60 from power surges. - With reference to
FIG. 21 , air is drawn through thesuction inlet 22 and out theexhaust 24. An operator grips the housing 20 (the housing being small enough so that a person's hand can surround or nearly surround the housing) and presses thebutton cover 118, which results in electrical power being delivered from thebattery 106 to themotor 60. This results in theimpeller 64 turning drawing air through thesuction inlet 22, which displaces theflapper 50 so that it no longer blocks the suction path. Air is drawn in to thedust cup 38 and through afilter assembly 140, which includes afilter frame 142 and a filter 144 (depicted in phantom inFIG. 7 ) which will be described in more detail below. The air then passes through thepassage 84 of thefan cover 68 and the opening 78 (FIG. 3 ) of thefan top 66. As theimpeller 64 rotates filtered air is pushed through thepassages 96 between thevanes 94 of thediffuser 62 and around themotor 60 traveling through thehousing 20 between theupper housing 26 and thelower housing 28 towards and theexhaust 24. As mentioned above, thevacuum cleaner 10 can also be used as a blower to remove dust between crevices and other hard to reach places. - With reference to
FIG. 7 , thefilter assembly 140 is shown with thefilter 144 attached to thefilter frame 142. Thefilter 144 can be made from cellulosic materials like paper, and polymeric materials like nylon, polypropylene and the like for a filter material form of discontinuous fibers or continuous woven fibers. Thefilter 144 can heat bonded or glued to thefilter frame 142. Thefilter frame 142 includes a circularperipheral ledge 146 that extends outwardly from a cylindricaltubular section 148. With reference toFIG. 6 , theperipheral ledge 146 is trapped between aninternal shoulder 152 formed in thedust cup 38 and thefront inlet 34 when thedust cup 38 is attached to the front inlet. Anotch 154 is formed in theperipheral ledge 146 and cooperates with theshoulder 152 formed in thedust cup 38 to properly align thefilter assembly 140 in thevacuum cleaner 10. An upper circular flarededge 156 of anannular flange 158 that extends upwardly from theledge 146 also engages the dust cup 38 (seeFIG. 6 ) to retain thefilter assembly 140 in the vacuum cleaner. Thetubular section 148 defines apassage 160 that also defines a portion of the suction path. An upper (downstream)edge 162 of thetubular section 146 is flared outwardly to engage thefront inlet 34. AU-shaped strut 164 extends upwardly (downstream) from the upper flarededge 162 of thetubular section 148 and substantially bisects the suction path. Thefilter 144 attaches to an external surface of an upstream section, with respect to theledge 148, of thetubular section 148. Thefilter 144 folds over an upstream circular edge of thetubular section 146 and extends into and through thepassage 160. The filter attaches to theU-shaped strut 164. Alternatively, thefilter 144 could be attached over theupper edge 162 of thetubular section 148 and draped over the U-shaped 164 with the filter being secured to both of them if so desired. - In this embodiment, the
filter 144 is disposed downstream from thedust cup 38 and resides in thecurved passage 84 of thefan cover 68. Thefilter assembly 140 is also removable from thevacuum cleaner 10. When thedust cup 38 is detached from thefront inlet 34, thefilter assembly 140 is removed with the dust cup. Thefilter assembly 140 can then be detached from the dust cup (so that the dust cup can be emptied) and cleaned as desired. Also, thefilter assembly 140 can be sold as a separate unit from thevacuum cleaner 10 as a replacement part. - With reference back to
FIG. 3 , acrevice tool 170 and a dustingbrush assembly 172 can also be provided with thevacuum cleaner 10. With reference toFIG. 6 , thecrevice tool 170 can be received inside the dustingbrush assembly 172 and the dusting brush assembly can engage anupper flange 176 that depends downwardly from theupper housing half 26 and alower flange 178 that extends upwardly from thelower housing half 28. Accordingly, thecrevice tool 170 and the dustingbrush assembly 172 can be stored adjacent theexhaust 24 of the vacuum cleaner. Thecrevice tool 170 and the dustingbrush assembly 172 can be removed from thehousing 20 and each can be inserted into theinlet 22. - With reference to
FIGS. 8 and 9 , the chargingunit 12 includes ahousing 200 that defines areceptacle 202 to receive the dust cup end of thevacuum cleaner 10. When the dust cup end of thevacuum cleaner 10 is received in the receptacle 202 (seeFIGS. 1 and 2 ), thebattery 106 can be recharged. - With reference back to
FIG. 3 , in this embodiment, the chargingunit housing 200 includes anupper housing half 210 that attaches to alower housing half 212 viaconventional fasteners 214. Chargingbase feet 216 cover thefasteners 214. A charging baseinner housing 218 is trapped between theupper housing 210 and alower housing 212 and defines the receptacle 202 (FIG. 9 ). - Charging
base contacts 218 are received inslots 222 defined between upwardly extendingflanges 224 formed in the lowerbase unit housing 212. Thesecontacts 218 are electrically connected to a charging base printedcircuit board assembly 226 that attaches to the lowercharging unit housing 212 usingfasteners 228. AUSB cable 232 connects to thePCB assembly 226 and extends outwardly from the housing 200 (FIG. 9 ) through alignednotches charging unit housing 210 and the lowercharging unit housing 212, respectively. TheUSB cable 232 can be inserted into a USB port found on a computer to charge thebattery 106. Alternatively, theUSB cable 232 can be received in the USB port (not visible) found in theexternal power supply 14 so that the vacuum cleaner can be charged directly from a standard wall outlet. - A cordless hand-held rechargeable vacuum cleaner and a charging unit have been described with particularity. Modifications and alternations will occur to those upon reading and understanding the preceding detailed description. The invention is not limited to only those embodiments disclosed above. Instead, the invention is defined by the appended claims and the equivalents thereof.
Claims (3)
1. A hand-held rechargeable cordless vacuum cleaner.
2. A charging unit for a hand-held rechargeable cordless vacuum cleaner, wherein the charging unit includes a USB cable.
3. A cordless vacuum cleaner that can be also used as a blower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/405,108 US20090276974A1 (en) | 2008-03-14 | 2009-03-16 | Cordless Hand-Held Rechargeable Vacuum Cleaner and Charger Unit Therefore |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3673208P | 2008-03-14 | 2008-03-14 | |
US12/405,108 US20090276974A1 (en) | 2008-03-14 | 2009-03-16 | Cordless Hand-Held Rechargeable Vacuum Cleaner and Charger Unit Therefore |
Publications (1)
Publication Number | Publication Date |
---|---|
US20090276974A1 true US20090276974A1 (en) | 2009-11-12 |
Family
ID=41065585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/405,108 Abandoned US20090276974A1 (en) | 2008-03-14 | 2009-03-16 | Cordless Hand-Held Rechargeable Vacuum Cleaner and Charger Unit Therefore |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090276974A1 (en) |
EP (2) | EP3010071B1 (en) |
CN (1) | CN102017227B (en) |
WO (2) | WO2009114871A1 (en) |
Cited By (8)
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DE102012100049A1 (en) * | 2012-01-04 | 2013-07-04 | Miele & Cie. Kg | Rechargeable battery-operated suction device e.g. table vacuum cleaner, for sucking e.g. dust from table, has suction pipe provided with suction port at side at housing, and handle provided at another side in elliptical shape in sections |
US8769764B2 (en) | 2010-08-05 | 2014-07-08 | Panasonic Corporation Of North America | Hand-held and conversion vacuum cleaner with adapter |
CN105070857A (en) * | 2015-08-14 | 2015-11-18 | 江苏绿伟锂能有限公司 | Lithium battery pack for handheld wireless dust collector |
JP2016131777A (en) * | 2015-01-21 | 2016-07-25 | 三菱電機株式会社 | Vacuum cleaner |
USD772806S1 (en) | 2014-11-26 | 2016-11-29 | Techtronic Industries Co. Ltd. | Battery |
JP2019208928A (en) * | 2018-06-06 | 2019-12-12 | 三菱電機株式会社 | Vacuum cleaner |
US10595693B2 (en) * | 2015-07-24 | 2020-03-24 | Yejen Appliances (Shenzhen) Ltd. | Dust collector using fan heat and dust collector having ironing function |
US20220192449A1 (en) * | 2018-08-13 | 2022-06-23 | Omachron Intellectual Property Inc. | Cyclonic air treatment member and surface cleaning apparatus including the same |
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US8671508B2 (en) | 2009-11-17 | 2014-03-18 | Makita Corporation | Dust collector |
GB2499240B (en) | 2012-02-10 | 2014-08-20 | Dyson Technology Ltd | Vacuum cleaner |
EP3206545B1 (en) * | 2014-10-16 | 2021-09-29 | Techtronic Industries Company Limited | Improved battery removal for a vacuum cleaner |
AU2016302353B2 (en) * | 2015-08-05 | 2019-08-08 | Tti (Macao Commercial Offshore) Limited | Vacuum cleaner and carrier assembly |
US10158105B2 (en) | 2016-03-16 | 2018-12-18 | Tti (Macao Commercial Offshore) Limited | Battery pack latch mechanism |
WO2019164648A1 (en) * | 2018-02-21 | 2019-08-29 | Tti (Macao Commerical Offshore) Limited | Battery ejection system |
CN108814413B (en) * | 2018-06-29 | 2023-12-12 | 追觅科技(苏州)有限公司 | Hand-held dust collector |
EP3912204A4 (en) * | 2019-01-15 | 2023-02-22 | Techtronic Cordless GP | A power tool with safety linkage mechanism |
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USD793953S1 (en) | 2014-11-26 | 2017-08-08 | Techtronic Industries Co. Ltd. | Battery |
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JP7040299B2 (en) | 2018-06-06 | 2022-03-23 | 三菱電機株式会社 | Vacuum cleaner |
US20220192449A1 (en) * | 2018-08-13 | 2022-06-23 | Omachron Intellectual Property Inc. | Cyclonic air treatment member and surface cleaning apparatus including the same |
US20220233041A1 (en) * | 2018-08-13 | 2022-07-28 | Omachron Intellectual Property Inc. | Cyclonic air treatment member and surface cleaning apparatus including the same |
US11607098B2 (en) * | 2018-08-13 | 2023-03-21 | Omachron Intellectual Property Inc. | Cyclonic air treatment member and surface cleaning apparatus including the same |
US11659970B2 (en) * | 2018-08-13 | 2023-05-30 | Omacho Intellectual Property Inc. | Cyclonic air treatment member and surface cleaning apparatus including the same |
US11950750B2 (en) | 2018-08-13 | 2024-04-09 | Omachron Intellectual Property Inc. | Cyclonic air treatment member and surface cleaning apparatus including the same |
Also Published As
Publication number | Publication date |
---|---|
WO2009114867A1 (en) | 2009-09-17 |
EP3010071A1 (en) | 2016-04-20 |
CN102017227A (en) | 2011-04-13 |
CN102017227B (en) | 2013-09-18 |
WO2009114871A8 (en) | 2009-12-03 |
EP2258011A1 (en) | 2010-12-08 |
EP2258011B1 (en) | 2015-12-02 |
EP2258011A4 (en) | 2012-08-22 |
EP3010071B1 (en) | 2018-08-29 |
WO2009114871A1 (en) | 2009-09-17 |
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Owner name: ROYAL APPLIANCE MFG. CO., OHIO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KHALIL, DAVID;PONIKVAR, SUZANNE;GEE, JACK W., II;AND OTHERS;REEL/FRAME:023293/0270;SIGNING DATES FROM 20090424 TO 20090625 |
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