US2210270A - Collector - Google Patents

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Publication number
US2210270A
US2210270A US2210270DA US2210270A US 2210270 A US2210270 A US 2210270A US 2210270D A US2210270D A US 2210270DA US 2210270 A US2210270 A US 2210270A
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United States
Prior art keywords
air
collector
lining
chambers
conduit
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Expired - Lifetime
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/80—Self-contained air purifiers

Definitions

  • the valve 24 is also opened when teeth are being cleaned, or grinding is done on base metals, porcelain, or similar materials.
  • the lining I6 therefore remains free of worthless dust. It is obvious that passage of air through the lining IE will carry a slight portion of the Valuable dust through the lining, so it is important that the unnecessary air be by-passed by the valve 24. By-passing the air also gives the air less flow resistance, and the electric motor uses less power.
  • the front screws 9 When it is desired to remove the hood containing the particles of material to be recovered, the front screws 9 may be removed and the nozzle 1 detached. The rear screws 9 may be then removed and the fan assembly including the motor and the hood then withdrawn and the clamp 9 taken off thus permitting the removal of the hood for the recovery of the contents thereof and thereupon the removed parts may be replaced in an obvious manner.
  • an inlet air conduit a nest of filtering chambers formed consecutively one within the other, one of said chambers having a deodorizing agent on the walls thereof, means between the chambers and the conduit whereby air may be conducted from the conduit to one or both of the filtering chambers.

Description

Aug. 6, 1940.
E. E. THWAITES COLLECTOR Filed March 7, 1938 Patented Ayg. 6, 1940 v v UNITED smms PTENTOFFICE the housing 6 outside of the compartment I1, the foul air passing through the sack 22 and escaping but being deodorized and purified by the contents of said sack.
The valve 24 is also opened when teeth are being cleaned, or grinding is done on base metals, porcelain, or similar materials. The lining I6 therefore remains free of worthless dust. It is obvious that passage of air through the lining IE will carry a slight portion of the Valuable dust through the lining, so it is important that the unnecessary air be by-passed by the valve 24. By-passing the air also gives the air less flow resistance, and the electric motor uses less power.
When it is desired to remove the hood containing the particles of material to be recovered, the front screws 9 may be removed and the nozzle 1 detached. The rear screws 9 may be then removed and the fan assembly including the motor and the hood then withdrawn and the clamp 9 taken off thus permitting the removal of the hood for the recovery of the contents thereof and thereupon the removed parts may be replaced in an obvious manner.
The drawing and description disclose what is now considered to be a preferred form of the invention by way of illustration only while the broad principle of the invention will be defined by the appended claim.
'What I claim is:
In a collector; an inlet air conduit, a nest of filtering chambers formed consecutively one within the other, one of said chambers having a deodorizing agent on the walls thereof, means between the chambers and the conduit whereby air may be conducted from the conduit to one or both of the filtering chambers.
EARL E. TI-IWAITES.
US2210270D Collector Expired - Lifetime US2210270A (en)

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US2210270A true US2210270A (en) 1940-08-06

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554694A (en) * 1945-06-06 1951-05-29 Delbert F Belt Odor eliminating apparatus
US2753952A (en) * 1953-12-28 1956-07-10 Murray Corp Lint collector for laundry driers
US3483676A (en) * 1967-09-29 1969-12-16 Gen Electric Helicopter engine air inlets
US3719030A (en) * 1971-03-12 1973-03-06 Metokote Precision Inc Plastic powder spraying recovery method and apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554694A (en) * 1945-06-06 1951-05-29 Delbert F Belt Odor eliminating apparatus
US2753952A (en) * 1953-12-28 1956-07-10 Murray Corp Lint collector for laundry driers
US3483676A (en) * 1967-09-29 1969-12-16 Gen Electric Helicopter engine air inlets
US3719030A (en) * 1971-03-12 1973-03-06 Metokote Precision Inc Plastic powder spraying recovery method and apparatus

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