US3695007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing particulate material from gases
Assignee: Beloit Corp
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Filing: 1970-08-14
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Granted: 1972-10-03
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Expires: 1990-08-14
Abstract
Abstract Apparatus for removing particulates from gases comprises cyclone separator and tube filter mounted thereover. Baffles are provided to direct air flow from separator to tube filter. Tube filter comprises long porous tubes suspended from plate, latter being divided into sections to facilitate removal for repair of tubes. Backwash device for tubes comprises hollow arm to create air pulses in tubes driven by motor mounted in well of plate.
Inventors
- 👤 Wilfred Farnworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:10
CPC Classifications
B; B01; B01D; B01D50/00; B01D50/20; B01D46/00; B01D46/02; B01D46/04; B01D46/66; B01D46/70; B01D46/71
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
165 words
Apparatus for removing fine particles from a gas comprising: a cyclone portion including an upper cylindrical body portion having a tangential entry for gas therein and a lower conical body portion, and a filter portion including a cylindrical housing extending upwardly from said cyclone body portion, a horizontal plate mounted in the upper portion of said housing, a plurality of filtering tubes supported by said plate and extending downwardly therefrom, means defining a well at the center of said plate and beneath the upper surface thereof, a motor mounted in said well, a shaft extending upwardly from said well and drive means connecting said motor to shaft, a hollow arm supported on said shaft above said plate and adapted to rotate over the upper ends of said tubes, said arm being perforated in its lower wall, and means in said well for feeding air to said arm whereby air will be projected from said perforations into the tops of said tubes as said arm rotates.
Claim 2
Dependent Claim
165 words
Apparatus for removing fine particles from a gas comprising: a cyclone portion including an upper cylindrical body portion having a tangential entry for gas therein and a lower conical body portion, and a filter portion including a cylindrical housing extending upwardly from said cyclone body portion, a horizontal plate mounted in the upper portion of said housing, a plurality of filtering tubes supported by said plate and extending downwardly therefrom, means defining a well at the center of said plate and beneath the upper surface thereof, a motor mounted in said well, a shaft extending upwardly from said well and drive means connecting said motor to shaft, a hollow arm supported on said shaft above said plate and adapted to rotate over the upper ends of said tubes, said arm being perforated in its lower wall, and means in said well for feeding air to said arm whereby air will be projected from said perforations into the tops of said tubes as said arm rotates.
Claim 3
Dependent Claim
25 words
Apparatus as set forth in claim 1 comprising a frustoconical skirt attached at its upper edge to the top of said cyclone cylindrical body portion.
Claim 4
Dependent Claim
23 words
Apparatus as set forth in claim 2 comprising baffle means beneath said tubes for directing gas flow axially of said filter portion housing.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |