US3877899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating particulate matter from a gas stream
Assignee: Standard Havens Products Inc
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Filing: 1972-09-28
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Granted: 1975-04-15
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Expires: 1992-09-28
Abstract
Abstract A reverse pulse baghouse equipped with a self-contained service chamber having ventilation control in which ambient cooling is induced by the exhaust fan of the baghouse. Within the dirty-air plenum, the bags are of progressively greater length toward the center of the baghouse in order to minimize particle reentrainment and each bag is sealed against an integral collar of the tube sheet to prevent gas leakage. The hopper section, for funneling dust cake to a hinged, screw conveyor trough, is removably connected to the upper section of the baghouse and is so sized to invertably nest within the upper section during shipment.
Inventors
- 👤 Richard P Bundy
- 👤 Larry D Mcconnell
- 👤 Stanley A Reigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:14
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/0002; B01D46/0013; B01D46/42; B01D46/4281; B01D46/48; B01D46/56; B01D46/58; B01D46/66; B01D46/70; B01D46/71; B01D50/00; B01D50/20; B01D2201/00; B01D2201/31; B01D2201/313
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
300 words
Apparatus for separating particulate matter from a gas stream, said apparatus comprising: a housing having an upper section of substantially rectangular shape and a lower, hopper-shaped section connected to said upper section; a substantially horizontal, first partition disposed within the upper section of said housing, thereby defining a first chamber beneath said first partition and a region above said first partition; a second partition disposed within said region above said first partItion, thereby defining a second chamber and a third chamber and said third chamber being adjacent said first chamber; first ventilation means communicating with said second chamber and the atmosphere and second ventilation means communicating with said second and third chambers to permit circulation of ambient air through said second chamber; an inlet conduit for directing a gas stream containing particulate matter into said first chamber; an outlet conduit communicating with said third chamber to exhaust gas therefrom; a plurality of gas passages through said first partition establishing communication between said first and third chambers; fan means for inducing gas flow through said inlet conduit into said first chamber, from said first chamber through said gas passages into said third chamber, and from said third chamber into said outlet conduit, and for inducing ambient air flow through said first ventilation means, from said first ventilation means through said second chamber, and from said second chamber through said second ventilation means to said third chamber; porous filter means disposed within said passages and sealingly secured to said first partition for removing particulate matter from gas flowing from said first chamber into said third chamber; compressed air and control means housed within said second chamber and including pipe members extending into said third chamber for directing an intermittent air blast toward said filter means to dislodge any particulate matter collected thereon.
Claim 2
Dependent Claim
300 words
Apparatus for separating particulate matter from a gas stream, said apparatus comprising: a housing having an upper section of substantially rectangular shape and a lower, hopper-shaped section connected to said upper section; a substantially horizontal, first partition disposed within the upper section of said housing, thereby defining a first chamber beneath said first partition and a region above said first partition; a second partition disposed within said region above said first partItion, thereby defining a second chamber and a third chamber and said third chamber being adjacent said first chamber; first ventilation means communicating with said second chamber and the atmosphere and second ventilation means communicating with said second and third chambers to permit circulation of ambient air through said second chamber; an inlet conduit for directing a gas stream containing particulate matter into said first chamber; an outlet conduit communicating with said third chamber to exhaust gas therefrom; a plurality of gas passages through said first partition establishing communication between said first and third chambers; fan means for inducing gas flow through said inlet conduit into said first chamber, from said first chamber through said gas passages into said third chamber, and from said third chamber into said outlet conduit, and for inducing ambient air flow through said first ventilation means, from said first ventilation means through said second chamber, and from said second chamber through said second ventilation means to said third chamber; porous filter means disposed within said passages and sealingly secured to said first partition for removing particulate matter from gas flowing from said first chamber into said third chamber; compressed air and control means housed within said second chamber and including pipe members extending into said third chamber for directing an intermittent air blast toward said filter means to dislodge any particulate matter collected thereon.
Claim 3
Dependent Claim
71 words
The apparatus as in claim 1, said first ventilation means including a vent opening at one end of said second chamber and said second ventilation means including an adjustable damper in said second partition toward the opposite end of said second chamber whereby said fan means induces ambient air to flow in said vent opening, through said second chamber, and from said second chamber through said damper into said third chamber.
Claim 4
Dependent Claim
296 words
Apparatus for separating particulate matter from a gas stream, said apparatus comprising: a housing having an upper section of substantially rectangular shape and a lower, hopper-shaped section connected to said upper section; a horizontal partition disposed within the upper section of said housing, thereby defining a first chamber beneath said horizontal partition and a region above said horizontal partition; a vertical partition disposed within said region above the horizontal partition, and connected to said horizontal partition thereby defining a second chamber and a third chamber; first ventilation means communicating with said second chamber and the atmosphere and second ventilation means communicating with said second and third chambers to permit circulation of ambient air through said second chamber; an inlet conduit for directing a gas stream containing particulate matter into said first chamber; an outlet conduit communicating with said third chamber to exhaust gas therefrom; a plurality of gas passages through said horizontal partition establishing communication between said first and third chambers; fan means for inducing gas flow through said inlet conduit into said first chamber, from said first chamber through said gas passages into said third chamber, and from said third chamber into said outlet conduit, and for inducing ambient air flow through said first ventilation means, from said first ventilation means through said second chamber, and from said second chamber through said second ventilation means to said third chamber; porous filter means disosed within said passages and sealingly secured to said horizontal partition for removing particulate matter from gas flowing from said first chamber into said third chamber; and compressed air and control means housed within said second chamber and including pipe members extending into said third chamber for directing an intermittent air blast toward said filter means to dislodge any particulate matTer collected thereon.
Claim 5
Dependent Claim
296 words
Apparatus for separating particulate matter from a gas stream, said apparatus comprising: a housing having an upper section of substantially rectangular shape and a lower, hopper-shaped section connected to said upper section; a horizontal partition disposed within the upper section of said housing, thereby defining a first chamber beneath said horizontal partition and a region above said horizontal partition; a vertical partition disposed within said region above the horizontal partition, and connected to said horizontal partition thereby defining a second chamber and a third chamber; first ventilation means communicating with said second chamber and the atmosphere and second ventilation means communicating with said second and third chambers to permit circulation of ambient air through said second chamber; an inlet conduit for directing a gas stream containing particulate matter into said first chamber; an outlet conduit communicating with said third chamber to exhaust gas therefrom; a plurality of gas passages through said horizontal partition establishing communication between said first and third chambers; fan means for inducing gas flow through said inlet conduit into said first chamber, from said first chamber through said gas passages into said third chamber, and from said third chamber into said outlet conduit, and for inducing ambient air flow through said first ventilation means, from said first ventilation means through said second chamber, and from said second chamber through said second ventilation means to said third chamber; porous filter means disosed within said passages and sealingly secured to said horizontal partition for removing particulate matter from gas flowing from said first chamber into said third chamber; and compressed air and control means housed within said second chamber and including pipe members extending into said third chamber for directing an intermittent air blast toward said filter means to dislodge any particulate matTer collected thereon.
Claim 6
Dependent Claim
69 words
The apparatus of claim 1, said first ventilation means including a vent opening at one end of said second chamber and said second ventilation means including an adjustable damper in said vertical partition toward the opposite end of said chamber whereby said fan means induces ambient air to flow in said vent opening, through said second chamber, and from said second chamber through said damper into said third chamber.
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) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |