US20130133155A1 - Vacuum cleaner incorporating noise suppression system - Google Patents
Vacuum cleaner incorporating noise suppression system Download PDFInfo
- Publication number
- US20130133155A1 US20130133155A1 US13/305,098 US201113305098A US2013133155A1 US 20130133155 A1 US20130133155 A1 US 20130133155A1 US 201113305098 A US201113305098 A US 201113305098A US 2013133155 A1 US2013133155 A1 US 2013133155A1
- Authority
- US
- United States
- Prior art keywords
- vacuum cleaner
- filter
- exhaust chamber
- air stream
- compartment
- 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
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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
- A47L5/00—Structural features of suction cleaners
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- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
-
- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
- A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
-
- 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
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- 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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/12—Dry filters
- A47L9/122—Dry filters flat
-
- 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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
-
- 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
- A47L9/22—Mountings for motor fan assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Suction Cleaners (AREA)
Abstract
A vacuum cleaner includes a body that carries a suction generator. A final filter is carried on the body downstream from the suction generator. The final filter is oriented along a first plane. Opposed side discharge outlets are carried on the body and oriented along a second plane substantially perpendicular to the first plane. Air is exhausted from the vacuum cleaner through succeeding compartments of increasing volume and rerouted or turned through different planes along a tortuous air path in order to muffle noise produced by the operating vacuum cleaner.
Description
- The present invention relates generally to the floor care appliance field and, more particularly, to a vacuum cleaner incorporating a noise suppression system.
- A vacuum cleaner is an electro-mechanical appliance utilized to effect the dry removal of dust, dirt and other small debris from carpets, rugs, fabrics or other surfaces in both domestic and industrial environments. The vacuum cleaner includes a suction generator generally comprising a fan and drive motor assembly. The suction generator draws an air stream entrained with dirt and debris into the nozzle of the vacuum cleaner. The particulate laden air is then drawn through a dirt collection vessel in the form of, for example, a filter or vacuum cleaner bag, a removable dirt cup or a cyclonic separation chamber and filter combination. The dirt collection vessel traps the dirt and debris from the air stream while substantially clean air is exhausted from the vacuum cleaner.
- In order to provide the desired cleaning efficiency, the suction generator must generate a substantial air stream. Space requirements limit the size of the fan of the suction generator and, accordingly, the fan must be driven at relatively high speeds to produce the necessary negative air pressure to provide the desired cleaning action. The noise generated by the motor and the rapidly moving air is substantial in state-of-the-art vacuum cleaners. The present invention relates to a vacuum cleaner incorporating a noise suppression system that substantially reduces the decibel level of an operating vacuum cleaner.
- A vacuum cleaner is provided comprising a nozzle assembly and a canister assembly pivotally connected to the nozzle assembly. The canister assembly includes a primary housing, a bag compartment cover, a motor compartment cover and a filter compartment cover. A bag compartment is formed between the primary housing and the bag compartment cover. A motor compartment is formed between the primary housing and the motor compartment cover. A filter compartment is formed between the bag compartment cover, the motor compartment cover and the filter cover. A filter receiver is provided in the filter compartment. A filter is held in the filter receiver. The filter divides the filter compartment into a first exhaust chamber and a second exhaust chamber. Opposed side discharge outlets are provided in fluid communication with the second exhaust chamber. Still further, a suction generator is held in the motor compartment. The suction generator generates an air stream. The air stream is exhausted from the suction generator and then travels serially through the motor compartment, a vent in the motor compartment cover to the first exhaust chamber, then through the filter to the second exhaust chamber and finally through the opposed side discharge outlets to exit the vacuum cleaner.
- The air stream is turned through substantially 90° in the motor compartment. The air stream is again turned through substantially 90° in the first exhaust chamber between the vent and the filter. Further, the air stream is turned through substantially 90° still yet again in the second exhaust chamber between the filter and the opposed side discharge outlets. The turning of the air stream in the first and second exhaust chambers takes place in two separate planes that are substantially perpendicular to one another. Further, the opposed side discharge outlets are positioned outside the two opposing sides of the filter and are formed along a seam between the bag compartment cover and the filter compartment filter.
- In accordance with yet another aspect of the present invention a vacuum cleaner is provided comprising a body, a suction generator carried on the body and a final filter carried on the body downstream from the suction generator. The final filter is located along a first plane and opposed side air stream discharge outlets are carried on the body and oriented along a second plane substantially perpendicular to the first plane.
- In the following description there is shown and described several different embodiments of the invention. As it will be realized, the invention is capable of other different embodiments and its several details are capable of modification in various, obvious aspect. Accordingly, the drawings and descriptions will be regarded as illustrative in nature and not as restrictive.
- The accompanying drawings incorporated herein and forming a part of the specification, illustrate several aspects of the current vacuum cleaner and together with the description serve to explain certain principles of the current vacuum cleaner. In the drawings:
-
FIG. 1 is a front perspective view of the current vacuum cleaner; -
FIG. 2 is a rear perspective view of the vacuum cleaner illustrated inFIG. 1 ; -
FIG. 3 is a schematical diagram illustrating air flow through the vacuum cleaner; -
FIG. 4 is a cross sectional view also illustrating air flow through the various compartments or chambers of the vacuum cleaner; and -
FIG. 5 is an exploded detailed, perspective view illustrating air flow from the motor cover through the final filter and opposed side discharge outlets; - Reference will now be made in detail to the present preferred embodiment of the vacuum cleaner illustrated in the accompanying drawing figures.
- Reference is now made to
FIGS. 1 , 2 and 3 illustrating anupright vacuum cleaner 10. Thevacuum cleaner 10 includes a body in the form of anozzle assembly 12 and acanister assembly 14. Thecanister assembly 14 is pivotally connected to thenozzle assembly 12 in the manner of upright vacuum cleaners known in the art. Thus, thecanister assembly 14 may be pivoted from the upright storage position illustrated inFIGS. 1 and 2 into an inclined position whereby an operator may freely move thevacuum cleaner 10 to and fro to clean an underlying floor or carpet. - The nozzle assembly includes an agitator cavity 16 that receives a
rotary agitator 18. Therotary agitator 18 includes bristle tufts or otherresilient projections 20. As theagitator 18 is rotated, the bristle tufts 20 beat dirt and debris from the nap of an underlying carpet or rug being cleaned. - The
canister assembly 14 includes aprimary housing 22, abag compartment cover 24, amotor compartment cover 26 and afilter compartment cover 28. As further illustrated inFIGS. 3-5 , abag compartment 30 is formed between theprimary housing 22 and thebag compartment cover 24. Amotor compartment 32 is formed between theprimary housing 22 and themotor compartment cover 26. Further, afilter compartment 34 is formed between thebag compartment cover 24, themotor compartment cover 26 and thefilter compartment cover 28. Afilter receiver 36 is provided in thefilter compartment 34. Afilter 38, such as a HEPA filter, is held in thefilter receiver 36. Thefilter 38 divides thefilter compartment 34 into afirst exhaust chamber 40 and asecond exhaust chamber 42. Opposedside discharge outlets second exhaust chamber 42. The opposedside discharge outlets bag compartment cover 24 and thefilter compartment cover 28. In the illustrated embodiment the opposedside discharge outlets openings 48 molded into thefilter compartment cover 28. - A
suction generator 50 is held in themotor compartment 32 of thevacuum cleaner 10. Thesuction generator 50 comprises afan 52 driven by a cooperatingdrive motor 54 all held within a suction generator housing 56. - During vacuum cleaner operation, the
suction generator 50 draws an air stream through the agitator cavity 16 into thevacuum cleaner 10. Dirt and debris loosened by therotary agitator 18 are entrained in this air stream and directed through aninlet 58 into the vacuum cleaner or filterbag 60 held in thebag compartment 30. Dirt and debris are collected and retained in the vacuumcleaner bag 60 while relatively clean air is drawn through the side wall of the bag into theinlet 62 of thesuction generator 50. - The air stream is directed over the
drive motor 54 of thesuction generator 50 so as to provide cooling before being exhausted through radially orientedopenings 64 in the suction generator housing 56 into themotor compartment 32. Next, the air stream passes through thevent 66 in themotor compartment cover 26 into thefirst exhaust chamber 40. - From there the air stream passes through the
final filter 38 into thesecond exhaust chamber 42. Then the air stream passes through the opposedside discharge outlets - As should be appreciated, between the
suction generator inlet 62 and the opposedside discharge outlets chambers vacuum cleaner 10. The tortuous air path includes (a) a substantially 90° turn in themotor compartment 32 between thesuction generator inlet 62 and thevent 66; (b) a second substantially 90° turn in thefirst exhaust chamber 40 between thevent 66 and thefilter 38; and (c) a third substantially 90° turn in thesecond exhaust chamber 42 between thefilter 38 and either of the opposedside discharge outlets vent 66 in a first direction, thefilter 38 in a second direction substantially perpendicular to the first direction and the opposedside discharge outlets - The
motor compartment 32 has a volume V1, thefirst exhaust chamber 40 has a volume V2, and thesecond exhaust chamber 42 has a volume V3 where V1<V2<V3. Thus, it should be appreciated that the air stream also passes serially through threedifferent compartments side discharge outlets motor compartment 32 also has a greater volume than the suction generator housing 56 and thereby represents yet another expansion phase. The air stream also undergoes an additional 90° turn traveling through the suction generator housing 56 (i.e. enters through theinlet 62 traveling along a path parallel to the axis of the suction generator drive shaft and exits radially through the openings 64). - As illustrated, it should also be appreciated that the
filter compartment cover 28 overlies the face of thefilter 38 forming a solid, continuous wall which forces the air stream to turn toward the opposedside discharge outlets filter 38. The deflected, rather than direct inline, exhaust from the filter further muffles noise generation. - It should also be appreciated that the
vent 66 forms a first opening having a surface area A1 while the opposedside discharge outlets vent 66 and the combineddischarge outlets - The foregoing description of the preferred embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obvious modifications or variations are possible in light of the above teachings For example, while the illustrated
vacuum cleaner 10 is equipped with a vacuumcleaner bag 60, it should be appreciated that it may be equipped instead with a dirt cup or other cleaning vessel. Further, while an upright vacuum cleaner is disclosed, it should be appreciated that a canister vacuum cleaner could be provided. - The embodiments were chosen and described to provide the best illustration of the principles of the invention and its practical application to thereby enable one of ordinary skill in the art to utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. All such modifications and variations are within the scope of the invention as determined by the appended claims when interpreted in accordance with the breadth to which they are fairly, legally and equitably entitled. The drawings and preferred embodiments do not and are not intended to limit the ordinary meaning of the claims in their fair and broad interpretation in any way.
Claims (19)
1. A vacuum cleaner, comprising:
a nozzle assembly; and
a canister assembly pivotally connected to said nozzle assembly;
said canister assembly including a primary housing, a bag compartment cover, a motor compartment cover and a filter compartment cover;
a bag compartment formed between said primary housing and said bag compartment cover;
a motor compartment formed between said primary housing and said motor compartment cover;
a filter compartment formed between said bag compartment cover, said motor compartment cover and said filter cover;
a filter receiver in said filter compartment;
a filter held in said filter receiver, said filter dividing said filter compartment into a first exhaust chamber and a second exhaust chamber;
opposed side discharge outlets in fluid communication with said second exhaust chamber; and
a suction generator held in said motor compartment and generating an air stream, said air stream being exhausted from said suction generator and traveling serially through said motor compartment, through a vent in said motor compartment cover to said first exhaust chamber, through said filter to said second exhaust chamber and then through said opposed side discharge outlets to exit said vacuum cleaner.
2. The vacuum cleaner of claim 1 , wherein said suction generator inlet and said vent are oriented to turn said air stream through substantially 90° in said motor compartment.
3. The vacuum cleaner of claim 1 , wherein said vent and said filter are oriented to turn said air stream through substantially 90° in said first exhaust chamber.
4. The vacuum cleaner of claim 1 , wherein said filter and said opposed side discharge outlets are oriented to turn said air stream through substantially 90° in said second exhaust chamber.
5. The vacuum cleaner of claim 1 , wherein said air stream is turned through substantially 90° in each of said motor compartment, said first exhaust chamber and said second exhaust chamber.
6. The vacuum cleaner of claim 5 , wherein said motor compartment has a volume V1, said first exhaust chamber has a volume V2 and said second exhaust chamber has a volume V3 where V1<V2<V3.
7. The vacuum cleaner of claim 2 , wherein said side discharge outlets are formed along a seam between said bag compartment cover and said filter compartment cover.
8. The vacuum cleaner of claim 1 , wherein said air stream is turned in said first exhaust chamber along a first plane and said air stream is turned in said second exhaust chamber along a second plane where said first and second planes are perpendicular to one another.
9. The vacuum cleaner of claim 1 , wherein said opposed side discharge outlets are positioned outside two opposing sides of said filter.
10. The vacuum cleaner of claim 1 , wherein said air stream flows in a first direction through said vent, in a second direction through said filter and then through opposing third and fourth directions through said opposed side discharge outlets.
11. The vacuum cleaner of claim 1 , wherein said motor compartment has a volume V1, said first exhaust chamber has a volume V2 and said second exhaust chamber has a volume V3 where V1<V2<V3.
12. The vacuum cleaner of claim 11 , wherein said vent forms a first opening having a surface area A1 and said opposed side discharge outlets form a second combined opening having a surface area A2 where A1<A2.
13. A vacuum cleaner, comprising:
a body;
a suction generator carried on said body;
a final filter carried on said body downstream from said suction generator and oriented along a first plane; and
opposed side air stream discharge outlets carried on said body and oriented along a second plane substantially perpendicular to said first plane.
14. The vacuum cleaner of claim 13 , wherein said body includes a motor compartment, holding said suction generator, a first exhaust chamber and a second exhaust chamber serially connected for passage of an air stream generated by said suction generator.
15. The vacuum cleaner of claim 14 , wherein said motor compartment has a volume V1, said first exhaust chamber has a volume V2 and said third exhaust chamber has a volume V3 where V1<V2<V3.
16. The vacuum cleaner of claim 15 , wherein said suction generator inlet and said vent are oriented to turn said air stream substantially 90° in said motor chamber, said vent and said filter are oriented to turn said air stream substantially 90° in said first exhaust chamber and said filter and said opposed side discharge outlets are oriented to turn said air stream substantially 90° in said second exhaust chamber.
17. The vacuum cleaner of claim 13 , further including a dirt collection vessel carried on said body upstream from said suction generator.
18. The vacuum cleaner of claim 17 , wherein said dirt collection vessel is a vacuum cleaner bag.
19. The vacuum cleaner of claim 13 , wherein said vacuum cleaner is an upright vacuum cleaner.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/305,098 US20130133155A1 (en) | 2011-11-28 | 2011-11-28 | Vacuum cleaner incorporating noise suppression system |
CA2797375A CA2797375A1 (en) | 2011-11-28 | 2012-11-27 | Vacuum cleaner incorporating noise suppression system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/305,098 US20130133155A1 (en) | 2011-11-28 | 2011-11-28 | Vacuum cleaner incorporating noise suppression system |
Publications (1)
Publication Number | Publication Date |
---|---|
US20130133155A1 true US20130133155A1 (en) | 2013-05-30 |
Family
ID=48465478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/305,098 Abandoned US20130133155A1 (en) | 2011-11-28 | 2011-11-28 | Vacuum cleaner incorporating noise suppression system |
Country Status (2)
Country | Link |
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US (1) | US20130133155A1 (en) |
CA (1) | CA2797375A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160022102A1 (en) * | 2014-06-25 | 2016-01-28 | Emerson Electric Co. | Upright Vacuum Cleaner |
CN108815953A (en) * | 2018-07-20 | 2018-11-16 | 芜湖新瑟安智能科技有限公司 | A kind of noise reducing type cleaner |
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2011
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-
2012
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US20160022102A1 (en) * | 2014-06-25 | 2016-01-28 | Emerson Electric Co. | Upright Vacuum Cleaner |
US9763548B2 (en) * | 2014-06-25 | 2017-09-19 | Emerson Electric Co. | Upright vacuum cleaner |
CN108815953A (en) * | 2018-07-20 | 2018-11-16 | 芜湖新瑟安智能科技有限公司 | A kind of noise reducing type cleaner |
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