Patent US3172744A successfully refreshed from Google Patents.
US3172744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of solids from a solid laden gas
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:45
CPC Classifications
B; B04; B04C; B04C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
247 words
A DEVICE FOR THE REMOVAL OF SOLIDS FROM A SOLID LADEN GAS, COMPRISING IN COMBINATION, A VERTICALLY DISPOSED CYCLONE; A CYCLONE GAS INLET TANGENTIALLY MOUNTED TOWARDS THE TOP OF SAID CYCLONE; A CYCLONE SOLID PARTICLE OUTLET AT THE BOTTOM OF SAID CYCLONE, THE SOLID PARTICLES IN A GAS TANGENTIALLY ENTERING SAID CYCLONE TENDING TO ROTATE AROUND SAID CYCLONE WALLS INTO SAID CYCLONE SOLID PARTICLE OUTLET; A CYCLONE GAS OUTLET MOUNTED TOWARDS THE CENTER OF THE TOP OF SAID CYCLONE; AN ELONGATED VERTICAL CHAMBER DISPOSED IN SAID CYCLONE GAS OUTLET, SAID CHAMBER INCLUDING AN INNER WALL AND HAVING AN ENTRANCE TOWARDS THE BOTTOM AND A DISCHARGE END TOWARDS THE TOP OF THE CHAMBER; AN OUTLET DUCT INCLUDING AN OUTER WALL, ENTERING SAID CHAMBER AT THE DISCHARGE END THEREOF, THE CROSS-SECTIONAL AREA OF SAID DUCT BEING SIZED A LITTLE SMALLER THAN THE CROSS-SECTIONAL AREA OF SAID CHAMBER, SAID CHAMBER INNER WALL AND SAID DUCT OUTER WALL FORMING A SOLID PARTICLE REMOVAL ZONE THEREBETWEEN; A WHISTLE SOUND SOURCE EXTENDING FROM WITHIN SAID OUTLET DUCT PARTLY INTO SAID CHAMBER, THE SOUND END THEREOF BEING IN SAID CHAMBER SO AS TO RADIATE SOUND TOWARDS SAID CHAMBER ENTRANCE, SAID SOUND SOURCE BEING CAPABLE OF DIRECTIONALLY RADIATING A SOUND OF OVER 140 DB AT A FREQUENCY OF OVER ABOUT 4,000 C.P.S. AT A DISTANCE OF OVER ABOUT FIVE INCHES FROM THE SOUND PRODUCING PORTION OF SAID SOUND SOURCE; AND, A PASSAGE LEADING FROM SAID SOLID PARTICLE REMOVAL ZONE TO SAID CYCLONE SOLID PARTICLE OUTLET.
Claim 2
Independent Claim
247 words
A DEVICE FOR THE REMOVAL OF SOLIDS FROM A SOLID LADEN GAS, COMPRISING IN COMBINATION, A VERTICALLY DISPOSED CYCLONE; A CYCLONE GAS INLET TANGENTIALLY MOUNTED TOWARDS THE TOP OF SAID CYCLONE; A CYCLONE SOLID PARTICLE OUTLET AT THE BOTTOM OF SAID CYCLONE, THE SOLID PARTICLES IN A GAS TANGENTIALLY ENTERING SAID CYCLONE TENDING TO ROTATE AROUND SAID CYCLONE WALLS INTO SAID CYCLONE SOLID PARTICLE OUTLET; A CYCLONE GAS OUTLET MOUNTED TOWARDS THE CENTER OF THE TOP OF SAID CYCLONE; AN ELONGATED VERTICAL CHAMBER DISPOSED IN SAID CYCLONE GAS OUTLET, SAID CHAMBER INCLUDING AN INNER WALL AND HAVING AN ENTRANCE TOWARDS THE BOTTOM AND A DISCHARGE END TOWARDS THE TOP OF THE CHAMBER; AN OUTLET DUCT INCLUDING AN OUTER WALL, ENTERING SAID CHAMBER AT THE DISCHARGE END THEREOF, THE CROSS-SECTIONAL AREA OF SAID DUCT BEING SIZED A LITTLE SMALLER THAN THE CROSS-SECTIONAL AREA OF SAID CHAMBER, SAID CHAMBER INNER WALL AND SAID DUCT OUTER WALL FORMING A SOLID PARTICLE REMOVAL ZONE THEREBETWEEN; A WHISTLE SOUND SOURCE EXTENDING FROM WITHIN SAID OUTLET DUCT PARTLY INTO SAID CHAMBER, THE SOUND END THEREOF BEING IN SAID CHAMBER SO AS TO RADIATE SOUND TOWARDS SAID CHAMBER ENTRANCE, SAID SOUND SOURCE BEING CAPABLE OF DIRECTIONALLY RADIATING A SOUND OF OVER 140 DB AT A FREQUENCY OF OVER ABOUT 4,000 C.P.S. AT A DISTANCE OF OVER ABOUT FIVE INCHES FROM THE SOUND PRODUCING PORTION OF SAID SOUND SOURCE; AND, A PASSAGE LEADING FROM SAID SOLID PARTICLE REMOVAL ZONE TO SAID CYCLONE SOLID PARTICLE OUTLET.
References Cited (Backward Citations)
US556291A
Cited
US1980171A
Cited
GB454050A
Cited
US2238668A
Cited
US2216779A
Cited
US2300761A
Cited
US2369020A
Cited
US2514080A
Cited
US2517141A
Cited
US2576297A
Cited
US2646133A
Cited
US2755767A
Cited
US3026966A
Cited
US3053031A
Cited
US3064619A
Cited
US3117551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |