US988158A - Suction dust-removing apparatus. - Google Patents

Suction dust-removing apparatus. Download PDF

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Publication number
US988158A
US988158A US54991810A US1910549918A US988158A US 988158 A US988158 A US 988158A US 54991810 A US54991810 A US 54991810A US 1910549918 A US1910549918 A US 1910549918A US 988158 A US988158 A US 988158A
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United States
Prior art keywords
piston
barrel
dust
removing apparatus
suction dust
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Expired - Lifetime
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US54991810A
Inventor
Harry Whitfield
Samuel Laing Whitfield
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Individual
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Individual
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Priority to US54991810A priority Critical patent/US988158A/en
Application granted granted Critical
Publication of US988158A publication Critical patent/US988158A/en
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Expired - Lifetime legal-status Critical Current

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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
    • A47L5/02—Structural features of suction cleaners with user-driven air-pumps or compressors
    • A47L5/04—Structural features of suction cleaners with user-driven air-pumps or compressors with pistons, bellows, or diaphragms, e.g. driven by the cleaner-supporting wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S15/00—Brushing, scrubbing, and general cleaning
    • Y10S15/08—Dust bags and separators

Definitions

  • the invention relates to suction dust removing apparatus and has for its object to provide a simple and improved construction of apparatus.
  • Apparatus made in accordance with this invention comprises a barrel, a piston, one or more packing rings disposed between the piston and barrel and adapted to roll between the surface of the barrel and the surface of the piston, an inlet to the barrel, a valve to the inlet, and a filter, the arrangement being such that the dust laden air is drawn directly into the barrel without passing through the filter, the filter being so disposed that the dust is arrested as the air is expelled from the barrel.
  • the drawing is a cross section of a hand power apparatus constructed in accordance with this invention.
  • the apparatus comprises a cylindrical barrel a closed at the base and provided with an inlet Z2 and valve 0, an elongated cylindrical piston (Z provided with an outlet valve 6 and a handle f. Between the piston and barrel is disposed a rubber packing ring 9 of circular cross section; the inner end of the piston is provided with a recessed part b and a bead or collar 2' sufiicientl high to form a stop to prevent the rubber rings from rolling off or being rolled off inadvertently but sufliciently low to permit of their being forced over said bead on to the recessed part it, should occasion arise.
  • the inner end of the piston d is provided with a ring j of felt or similar material adapted to bear against the barrel a for the purpose of keeping it clean.
  • the piston is also provided with a suitable filtering surface is of conical or other form.
  • the dust laden air is freely drawn into the pump barrel on the upward or suction stroke of the piston without be ing passed through any screen or filter, on the delivery or downward stroke the air is forced through the filter and the dust is retained in the lower part of the pump barrel.
  • the filter instead of disposing the filter as shown at 70 it could be placed over the outlet e and could comprise a wire frame covered with a filtering material.
  • the cylindrical piston could be provided with one or more layers of cotton wool, felt, wire gauze or other filtering media.
  • Apparatus made in accordance with this invention is well adapted to remove dust from carpets and furniture and is especially suited for removing dust from printers type cases.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Description

H. 5: S. L. WHITFIELD. SUCTION DUST REMOVING APPARATUS. APPLICATION rump MAR. 17, 1910.
988,158. Patented Mar. 28, .1911;
INVENTORS: WITNESSES! r U STATES PAT Tit-IT @FFIQE.
HARRY W'HITFIELD, OF LONDON, ANDSAMUEL LAIING WHITFIELD, OF BIQDFORD PARK, ENGLAIIB.
SUCTION DUST-REMOVING APPARATUS.
Specification of Letters Patent.
Patented Mar. 28, 1911.
To aZZ whom it may concern:
Be it known that we, HARRY Nirrrrnnn), of 10 Dane street, London, England, and SAMUEL Lame WVnrrrInLn, of 7 Bedford Road, Bedford Park, in the county of Middlesex, England, have invented certain new and useful Improvements in and Relating to Suction Dust-Removing Apparatus. of which the following is a specification.
The invention relates to suction dust removing apparatus and has for its object to provide a simple and improved construction of apparatus.
Apparatus made in accordance with this invention comprises a barrel, a piston, one or more packing rings disposed between the piston and barrel and adapted to roll between the surface of the barrel and the surface of the piston, an inlet to the barrel, a valve to the inlet, and a filter, the arrangement being such that the dust laden air is drawn directly into the barrel without passing through the filter, the filter being so disposed that the dust is arrested as the air is expelled from the barrel.
The drawing is a cross section of a hand power apparatus constructed in accordance with this invention.
The apparatus comprises a cylindrical barrel a closed at the base and provided with an inlet Z2 and valve 0, an elongated cylindrical piston (Z provided with an outlet valve 6 and a handle f. Between the piston and barrel is disposed a rubber packing ring 9 of circular cross section; the inner end of the piston is provided with a recessed part b and a bead or collar 2' sufiicientl high to form a stop to prevent the rubber rings from rolling off or being rolled off inadvertently but sufliciently low to permit of their being forced over said bead on to the recessed part it, should occasion arise. The inner end of the piston d is provided with a ring j of felt or similar material adapted to bear against the barrel a for the purpose of keeping it clean. The piston is also provided with a suitable filtering surface is of conical or other form.
It has been found that a packing made and applied in accordance with the invention is liable to creep toward the inner end of the piston and that to facilitate the withdrawal of the piston for removal of the dust it is preferable in the ease of hand operated machines in which the barrel is used as a dust box to provide a stop as shown above, over which the packing will ride when a slightly increased force is applied.
In operation the dust laden air is freely drawn into the pump barrel on the upward or suction stroke of the piston without be ing passed through any screen or filter, on the delivery or downward stroke the air is forced through the filter and the dust is retained in the lower part of the pump barrel.
To empty out the dust after collection the piston is entirely withdrawn and the barrel inverted; should the packing have been forced over the rib in withdrawing the piston it should be replaced before the piston is again inserted in the cylinder.
Instead of disposing the filter as shown at 70 it could be placed over the outlet e and could comprise a wire frame covered with a filtering material. The cylindrical piston could be provided with one or more layers of cotton wool, felt, wire gauze or other filtering media.
In apparatus made in accordance with I this invention the labor in-working the apparatus is distributedover the up and down stroke by reason of the filter being placed on the outlet instead of on the inlet and further the apparatus is extremely simple as no separate dust box is necessary, though in some modified forms it may be added.
It has been found that the presence of dust does not adversely afiect the working of the mechanism.
Apparatus made in accordance with this invention is well adapted to remove dust from carpets and furniture and is especially suited for removing dust from printers type cases.
What we claim and desire to secure by Letters Patent is In suction dust removing apparatus the combination of a barrel, a hollow eylindrical piston open at the base, packing dis osed bescribing witnesses.
' HARRY WHITFIELD.
tween the surface of the piston an the surfeee of the barrel, 3 valved inlet to the bar- S. LAING WHITFIELD rel, a-valved outlet from the lziStOIl, and a Witnesses:
filter at the base of the piston. ALFRED BEESLEY CAMPBELL,
In witness whereof we have hereunto ALFRED EDWARD GRAY.
signed our names in thepresenee of two sub-
US54991810A 1910-03-17 1910-03-17 Suction dust-removing apparatus. Expired - Lifetime US988158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US54991810A US988158A (en) 1910-03-17 1910-03-17 Suction dust-removing apparatus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54991810A US988158A (en) 1910-03-17 1910-03-17 Suction dust-removing apparatus.

Publications (1)

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US988158A true US988158A (en) 1911-03-28

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US54991810A Expired - Lifetime US988158A (en) 1910-03-17 1910-03-17 Suction dust-removing apparatus.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473066A (en) * 1946-04-25 1949-06-14 Miller Camillo Vacuum cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473066A (en) * 1946-04-25 1949-06-14 Miller Camillo Vacuum cleaner

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