US1363753A - Dust-collecting receptacle for vacuum-cleaners - Google Patents

Dust-collecting receptacle for vacuum-cleaners Download PDF

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US1363753A
US1363753A US362091A US36209120A US1363753A US 1363753 A US1363753 A US 1363753A US 362091 A US362091 A US 362091A US 36209120 A US36209120 A US 36209120A US 1363753 A US1363753 A US 1363753A
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wall
dust
vacuum
dust collecting
collecting receptacle
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US362091A
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Quinn Martin Joseph
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S15/00Brushing, scrubbing, and general cleaning
    • Y10S15/08Dust bags and separators

Definitions

  • This invention relates to a dustpollecting receptacle for a vacuum cleaner which will not appreciably restrict the formation of the vacuuim
  • the resistance or back pressure resulting from the limited outlet area for the air prevents or at least checks'the formation of a (30"1 plete vacuum at the mouth ofthe tool and thus, restricts the efliciency of its operation to a marked degree.
  • this is the object of the present invention, which is attained by constructing the dust'collect-ing receptacle with an outletarea for the escape of theair'approximately equal to the vaeuum-anea'at the mouth of the tool, and to so arrange the structural details of this receptacle that: while the outlet-area for the escape of the air is so increased there will be no increase in the external cubic dimensions.
  • Figure 1 is a vertical sectional elevation of a dust collecting receptacle made in accordance with this invention
  • Fig. 2 is a cross section on the line 11.
  • ig. 3 is a similar view to 1, of a modification of the construction shown in the latter figure,
  • Fig. 4 is a cross section on the line 22 Fig. 3, r
  • Fig. 5 is a detail view showing the method of making the inner tube of the dust collecting receptacle shown in Fig. 3, and
  • Fig. 6 is a sectional elevational view of a further modification of the receptacle.
  • external wall a is an inlet'opening b for attachment to a vacuum cleaner;
  • This wall is preferably made of a textile fabric material such as cotton or the like woven so as to retain the dust particles and to permit of the escape of theair through its interstices or foraminations, but it may be made of wire gauze or other suitable foraminated material.
  • an internah wall in the form of it tube 0 is shown to be contained within the external wall a, this tube having an ⁇ axial bore 0, and a closed bottom a in the 'vicinity'of and opposed to the inlet ⁇ opcning b. r
  • the tube 0 extends through the top a of theexternal wall a, the top of the bore being open forthe unimpeded escape of the air passing through the internal wall into the bore.
  • the tube c is stitched to the inner surface of the external Wall aas shown at c in Fig. 2.
  • This con struction forms four dust collecting chamhers d, between the internal wall 0, and the Fig. 2.
  • the outlet area for the escape of the air from the dust collecting receptacle is approximately twice the outlet area where a single wall is used and it has been demonstrated with the use of a dust collecting receptacle made in accordance with the-subject matter of this application that a vacuum of maximum value can be maintained at the mouth of the vacuum tpol, Whereas'a vacuum greatly less than maximum value can be maintained where a dust collecting receptacle with a single wall is employed, when the external cubic dimensions of the external wall are the same in both cases, the efiect of this construction being to increase the operation of the vacuum cleanerto approximately one hundred per cent. efliciency.
  • FIG. 3 I use the same construction for the external wall a, inlet opening b, and outlet through the top a, but in this figure I have changed' the formation of the inter-, nal wall.
  • This internal wall consists of a tubular section 0' stitched to the outer wall a, as in the case of Figs. 1 and 2 to form four dust collecting chambers (l, and a cen tral tubular section 6 within the tubular section a forming a fifth dust collecting chamber.
  • Fig. 3 I use the same construction for the external wall a, inlet opening b, and outlet through the top a, but in this figure I have changed' the formation of the inter-, nal wall.
  • This internal wall consists of a tubular section 0' stitched to the outer wall a, as in the case of Figs. 1 and 2 to form four dust collecting chambers (l, and a cen tral tubular section 6 within the tubular section a forming a fifth dust collecting chamber.
  • the lower end of the tubular Section e" is open and the upper end is closed, and in the same figure the lower end of the air duct f, which is opposed to the inlet opening I) is closed and the upper end is opened.
  • the dust laden air entering the dust collecting receptacle passes into the five dust collecting chambers, where the dust is retained, the air then passing through the external wall to the atmosphere and through the walls of the tubular sections to the air duct f fromv which it escapes through the opening at the to l) of the duct.
  • Fig. 6 I have shown a similar construction to Fig. 1, but instead of having the outlet opening at the top of the external wall a, I arrange this outlet opening 9 near the bottom of the external wall and preferably in the vicinity of the inlet openin
  • the purpose of stitching the internal wa l to the external wall is to prevent the air pressure in the dust collecting receptacle causing .the internal wall to collapse and thereby impede the escape of the air through the bore, but other means Within the scope of the claims may be provided for maintaining the internal wall in a distended condilion.
  • a dust collecting receptacle comprising a tubular external wall of fabric material, having at its lower end an inlet for attachment to a vacuum cleaner, a tubular internal wall of fabric material, having an internal air duct and attached to the external all throughout its length at circumferential places, to form with it a plurality of separate dust collecting chambers from which the air has egress through the foraminations of the internal wall to said duct and through the foraminations of the exter nal wall, the internal wall having a closed bottom opposed to the inlet and an opening through the external hall for the escape of the air from said duct.
  • a dust collecting receptacle comprising a tubular external wall of fabric mate rial, having at its lower end an inlet for attachment to a vacuum cleaner, a tubular internal wall of fabric material, having an internal air duct and attached at circumferential places to the external wall, and forming therewith a plurality of separate ,dust collecting chambers, each in communication with the inlet, said internal wall having a closed bottom opposed to the inlet and an unimpeded outlet forthe duct, extending through the external wall for the escape of the air therefrom.

Description

M. J. QUINN. DUST COLLECTING RECEPTACLE FOR VACUUM CLEANERS.
APPLICATION HLED FEB. 28, 1920.
1,363,753, mama Dec. 28,1920.
2 SHEETS-SHEET I- APPLICATWN FILED FEB. 28, 1920.
L T n 8 4 m u d2 w m a P man'rrn JosErnoUxNN,
DUST-COLLECTING RECElfi AOLE FOR VAGUUM-CLEANEBS.
To allwhom it may conccrn;
Be it known, that I, MARTIN Josnrfi QUINN of the city of Toronto, in the county of Yor' and Province of Ontario,'Dominion of Canada, have invented certain new and useful Improvements in Dust-Colleetin Receptacles for Vacuum-Cleaners; and hereby declare that the following is a full, clear, and exact description of the same.
This invention relates to a dustpollecting receptacle for a vacuum cleaner which will not appreciably restrict the formation of the vacuuim In the operation of a vacuum cleaner the resistance or back pressure resulting from the limited outlet area for the air prevents or at least checks'the formation of a (30"1 plete vacuum at the mouth ofthe tool and thus, restricts the efliciency of its operation to a marked degree.
To obviate \this is the object of the present invention, which is attained by constructing the dust'collect-ing receptacle with an outletarea for the escape of theair'approximately equal to the vaeuum-anea'at the mouth of the tool, and to so arrange the structural details of this receptacle that: while the outlet-area for the escape of the air is so increased there will be no increase in the external cubic dimensions.
For an understanding of the invention reference is to be had to the following description and to the accompanying drawings in wlnch:
Figure 1, is a vertical sectional elevation of a dust collecting receptacle made in accordance with this invention,
Fig. 2, is a cross section on the line 11.
ig. 3, is a similar view to 1, of a modification of the construction shown in the latter figure,
Fig. 4, is a cross section on the line 22 Fig. 3, r
Fig. 5, is a detail view showing the method of making the inner tube of the dust collecting receptacle shown in Fig. 3, and
Fig. 6, is a sectional elevational view of a further modification of the receptacle.
Like characters of reference refer to like parts throughout the specification and drawings.
Specification of Letters Patent.
Patented Dec. 28, 1220.
Applicat 6n filed February 25, 1920. Serial no. 302,091.
external wall a is an inlet'opening b for attachment to a vacuum cleaner; This wall is preferably made of a textile fabric material such as cotton or the like woven so as to retain the dust particles and to permit of the escape of theair through its interstices or foraminations, but it may be made of wire gauze or other suitable foraminated material.
In F igs. 1 and. 2, an internah wall in the form of it tube 0 is shown to be contained within the external wall a, this tube having an \axial bore 0, and a closed bottom a in the 'vicinity'of and opposed to the inlet \opcning b. r
The tube 0 extends through the top a of theexternal wall a, the top of the bore being open forthe unimpeded escape of the air passing through the internal wall into the bore.
Preferably at diametricallyopposite points .of its circumference the tube cis stitched to the inner surface of the external Wall aas shown at c in Fig. 2. This con struction forms four dust collecting chamhers d, between the internal wall 0, and the Fig. 2.
he air passing through the foramin ations of the internal wall to the bore 0 escapes from it through the outlet opening at the top of the bore c". I
By this means the outlet area for the escape of the air from the dust collecting receptacle is approximately twice the outlet area where a single wall is used and it has been demonstrated with the use of a dust collecting receptacle made in accordance with the-subject matter of this application that a vacuum of maximum value can be maintained at the mouth of the vacuum tpol, Whereas'a vacuum greatly less than maximum value can be maintained where a dust collecting receptacle with a single wall is employed, when the external cubic dimensions of the external wall are the same in both cases, the efiect of this construction being to increase the operation of the vacuum cleanerto approximately one hundred per cent. efliciency.
In Fig. 3, I use the same construction for the external wall a, inlet opening b, and outlet through the top a, but in this figure I have changed' the formation of the inter-, nal wall. This internal wall consists of a tubular section 0' stitched to the outer wall a, as in the case of Figs. 1 and 2 to form four dust collecting chambers (l, and a cen tral tubular section 6 within the tubular section a forming a fifth dust collecting chamber. As shown in Fig. 3, the lower end of the central tubular Section 6 is united with the lower end of the tubular section 6, but from its junction at that point is entirely free therefronr This arrangement forms an air duct 7 be tween the tubular sections 0, c", the upper end f" of which has an outlet to the atmosphere throu h the outlet opening a.
As shown in l ig. 3, the lower end of the tubular Section e" is open and the upper end is closed, and in the same figure the lower end of the air duct f, which is opposed to the inlet opening I) is closed and the upper end is opened. In this construction the dust laden air entering the dust collecting receptacle passes into the five dust collecting chambers, where the dust is retained, the air then passing through the external wall to the atmosphere and through the walls of the tubular sections to the air duct f fromv which it escapes through the opening at the to l) of the duct.
n Fig. 6, I have shown a similar construction to Fig. 1, but instead of having the outlet opening at the top of the external wall a, I arrange this outlet opening 9 near the bottom of the external wall and preferably in the vicinity of the inlet openin The purpose of stitching the internal wa l to the external wall is to prevent the air pressure in the dust collecting receptacle causing .the internal wall to collapse and thereby impede the escape of the air through the bore, but other means Within the scope of the claims may be provided for maintaining the internal wall in a distended condilion.
Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent is:
l. A dust collecting receptacle comprising a tubular external wall of fabric material, having at its lower end an inlet for attachment to a vacuum cleaner, a tubular internal wall of fabric material, having an internal air duct and attached to the external all throughout its length at circumferential places, to form with it a plurality of separate dust collecting chambers from which the air has egress through the foraminations of the internal wall to said duct and through the foraminations of the exter nal wall, the internal wall having a closed bottom opposed to the inlet and an opening through the external hall for the escape of the air from said duct.
2. A dust collecting receptacle comprising a tubular external wall of fabric mate rial, having at its lower end an inlet for attachment to a vacuum cleaner, a tubular internal wall of fabric material, having an internal air duct and attached at circumferential places to the external wall, and forming therewith a plurality of separate ,dust collecting chambers, each in communication with the inlet, said internal wall having a closed bottom opposed to the inlet and an unimpeded outlet forthe duct, extending through the external wall for the escape of the air therefrom.
Toronto. Ontario, Canada, February 10th, 1920.
MARTIN JOSEPH QUINN.
Signed in the resence of- CHAS. H. ICHES,
W. J. GILCHRIST.
US362091A 1920-02-28 1920-02-28 Dust-collecting receptacle for vacuum-cleaners Expired - Lifetime US1363753A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607436A (en) * 1948-07-31 1952-08-19 Charles A Martin Dust separator
US2684126A (en) * 1951-06-19 1954-07-20 Doyle Vacuum Cleaner Co Dust collector for vacuum cleaners, blowers, and other dust filters
US3204392A (en) * 1962-12-28 1965-09-07 Schwab Louis Air filter terminating in a collection pocket
US3204391A (en) * 1962-12-28 1965-09-07 Schwab Louis Air filtration
US3350857A (en) * 1964-06-26 1967-11-07 Studley Paper Company Inc Vacuum cleaner filter bag
US3890290A (en) * 1974-02-21 1975-06-17 Esm Inc Apparatus for filtering particulate matter from a fluid stream
US20070108117A1 (en) * 2005-08-31 2007-05-17 Wim Callaert Fluid filter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607436A (en) * 1948-07-31 1952-08-19 Charles A Martin Dust separator
US2684126A (en) * 1951-06-19 1954-07-20 Doyle Vacuum Cleaner Co Dust collector for vacuum cleaners, blowers, and other dust filters
US3204392A (en) * 1962-12-28 1965-09-07 Schwab Louis Air filter terminating in a collection pocket
US3204391A (en) * 1962-12-28 1965-09-07 Schwab Louis Air filtration
US3350857A (en) * 1964-06-26 1967-11-07 Studley Paper Company Inc Vacuum cleaner filter bag
US3890290A (en) * 1974-02-21 1975-06-17 Esm Inc Apparatus for filtering particulate matter from a fluid stream
US20070108117A1 (en) * 2005-08-31 2007-05-17 Wim Callaert Fluid filter
US7837875B2 (en) 2005-08-31 2010-11-23 Eaton Corporation Fluid filter

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