US3184170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas swept pulverizer
Assignee: UNIVERSAL MILLING AND MACHINERY Ltd
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Filing: 1963-04-02
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Granted: 1965-05-18
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Expires: 1983-04-02
Abstract
No abstract record available.
Inventors
- 👤 Keresztesy John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:08
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/13; B02C13/26; B02C13/288
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A PULVERIZING MACHINE COMPRISING A CYLINDRICAL HOUSING, A CYLINDRICAL SIZING SCREEN MOUNTED CONCENTRICALLY WITHIN SAID HOUSING, A ROTOR HAVING A PLURALITY OF STRIKING BLADES FOR ROTATION IN CLOSE PROXIMITY TO SAID SCREEN, SAID ROTOR BEING FORMED AS A IMPELLER TO MAINTAIN A HIGH VELOCITY CIRCULATING GAS FLOW WITHIN A COMMINUTING ZONE BOUNDED BY THE SIZING SCREEN TOGETHER WITH A HIGH PRESSURE GRADIENT ACROSS THE SCREEN, A CYCLONE SEPARATOR, A FIRST CONDUIT CONNECTING SAID HOUSING WITH SAID CYCLONE SEPARATOR, A SUCTION BLOWER, A SECOND CONDUIT CONNECTING SAID SUCTION BLOWER WITH SAID HOUSING TO DISCHARGE A HIGH VELOCITY FLOW OF AIR OR OTHER GAS INTO SAID HOUSING TANGENTIALLY TO SAID SCREEN TO TRAVEL AROUND SAME BEFORE ENTERING SAID SECOND CONDUIT, AND A THIRD CONDUIT CONNECTING SAID CYCLONE SEPARATOR BACK TO SAID SUCTION BLOWER TO FORM CLOSED CIRCUIT.
References Cited (Backward Citations)
US2474314A
Cited
US2959362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |