US3097767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for feeding pulverized material
Assignee: General Electric Co
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Filing: 1961-05-01
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Granted: 1963-07-16
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Harrison L Wirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:06
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/02; B01J8/00; B01J8/0015; B01J8/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A DEVICE FOR FEEDING PULVERIZED MATERIAL, COMPRISING A CASING, A VERTICAL ROTOR HAVING A TAPERED STARWHEEL DISPOSED IN SAID CASING AND MOUNTED FOR ROTATION THEREIN, SAID STARWHEEL DEFINING CIRCUMFERENTIALLY-SPACED FEED POCKETS, SOME OF WHICH ARE CLOSED OFF BY PORTIONS OF SAID CASING, INLET CONDUIT MEANS CARRYING PULVERIZED MATERIAL AND DISCHARGING INTO SAID POCKETS AT LEAST TWO CIRCUMFERENTIALLY-SPACED SYMMETRICALLY DISPOSED LOCATIONS ON THE STARWHEEL, OUTLET CONDUIT MEANS RECEIVING PULVERIZED MATERIAL FROM SAID POCKETS AT AT LEAST TWO DIRCUMFERENTIALLY-SPACED SYMMETRICALLY DISPOSED LOCATIONS, MEANS DRIVINGLY CONNECTED TO ROTATE SAID STARWHEEL IN SAID CASING, MEANS FOR AUTOMATICALLY LIFTING SAID STARWHEEL IN THE CASING AS THE TORQUE RESISTING ROTATION OF THE STARWHEEL INCREASES, AND ADJUSTABLE BIASING MEANS RESISTING LIFTING OF THE STARWHEEL, WHEREBY WHEN A PRESELECTED REACTIVE TORQUE OCCURS, THE STARWHEEL WILL BE LIFTED IN THE CASING ENOUGH TO CLEAR THE OBSTRUCTION.
Claim 2
Independent Claim
137 words
A DEVICE FOR FEEDING PULVERIZED MATERIAL, COMPRISING A CASING, A VERTICAL ROTOR HAVING A TAPERED STARWHEEL DISPOSED IN SAID CASING AND MOUNTED FOR ROTATION THEREIN, SAID STARWHEEL DEFINING CIRCUMFERENTIALLY-SPACED FEED POCKETS, SOME OF WHICH ARE CLOSED OFF BY PORTIONS OF SAID CASING, INLET CONDUIT MEANS CARRYING PULVERIZED MATERIAL AND DISCHARGING INTO SAID POCKETS AT LEAST TWO CIRCUMFERENTIALLY-SPACED SYMMETRICALLY DISPOSED LOCATIONS ON THE STARWHEEL, OUTLET CONDUIT MEANS RECEIVING PULVERIZED MATERIAL FROM SAID POCKETS AT AT LEAST TWO DIRCUMFERENTIALLY-SPACED SYMMETRICALLY DISPOSED LOCATIONS, MEANS DRIVINGLY CONNECTED TO ROTATE SAID STARWHEEL IN SAID CASING, MEANS FOR AUTOMATICALLY LIFTING SAID STARWHEEL IN THE CASING AS THE TORQUE RESISTING ROTATION OF THE STARWHEEL INCREASES, AND ADJUSTABLE BIASING MEANS RESISTING LIFTING OF THE STARWHEEL, WHEREBY WHEN A PRESELECTED REACTIVE TORQUE OCCURS, THE STARWHEEL WILL BE LIFTED IN THE CASING ENOUGH TO CLEAR THE OBSTRUCTION.
References Cited (Backward Citations)
US1953928A
Cited
US2415109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |