US3200565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic precipitators
Assignee: Svenska Flaktfabriken AB
•
Filing: 1962-07-10
•
Granted: 1965-08-17
•
Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Gustafsson Stig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:56
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/74; B03C3/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN ELECTROSTATIC PRECIPITATOR COMPRISING IN COMBINATION: A CASING ARRANGED FOR THE HORIZONTAL FLOW OF GAS THERETHROUGH, A PLURALITY OF SECTIONS OF ELECTRODES SUSPENDED PFROM THEIR UPPER ENDS IN SAID CASING, EACH SECTION INCLUDING A PLURALITY OF ROWS OF VERTICAL ELONGATED GENERALLY FLAT ELECTRODES ARRANGED FLAT-WISE IN THE DIRECTION OF GAS FLOW THEREOVER; SEPARATE RAPPING MEANS FOR EACH SECTION OF ELECTRODES; AT LEAST SAID SECTION WHICH IS FIRST TRAVERSED BY THE FLOW OF ENTERING GAS BEING SUBDIVIDED INTO TWO GROUPS; SAID RAPPING MEANS FOR SAID SUBDIVIDED SECTION COMPRISING SEPARATE END JUXTAPOSED AND ALIGNED RAPPER RODS AND POWER RAPPING MEANS FOR SAID RODS DISPOSED UPSTREAM AND DOWNSTREAM RESPECTIVELY OF THE ELECTRODES OF SAID SECTION; AND RAPPER RODS BEING POSITIONED TO ENGAGE END-WISE WHEN EITHER IS RAPPED AND ACT AS MUTUAL RECOIL STOPS FOR EACH OTHER.
Claim 2
Dependent Claim
133 words
AN ELECTROSTATIC PRECIPITATOR COMPRISING IN COMBINATION: A CASING ARRANGED FOR THE HORIZONTAL FLOW OF GAS THERETHROUGH, A PLURALITY OF SECTIONS OF ELECTRODES SUSPENDED PFROM THEIR UPPER ENDS IN SAID CASING, EACH SECTION INCLUDING A PLURALITY OF ROWS OF VERTICAL ELONGATED GENERALLY FLAT ELECTRODES ARRANGED FLAT-WISE IN THE DIRECTION OF GAS FLOW THEREOVER; SEPARATE RAPPING MEANS FOR EACH SECTION OF ELECTRODES; AT LEAST SAID SECTION WHICH IS FIRST TRAVERSED BY THE FLOW OF ENTERING GAS BEING SUBDIVIDED INTO TWO GROUPS; SAID RAPPING MEANS FOR SAID SUBDIVIDED SECTION COMPRISING SEPARATE END JUXTAPOSED AND ALIGNED RAPPER RODS AND POWER RAPPING MEANS FOR SAID RODS DISPOSED UPSTREAM AND DOWNSTREAM RESPECTIVELY OF THE ELECTRODES OF SAID SECTION; AND RAPPER RODS BEING POSITIONED TO ENGAGE END-WISE WHEN EITHER IS RAPPED AND ACT AS MUTUAL RECOIL STOPS FOR EACH OTHER.
References Cited (Backward Citations)
US1463352A
Cited
DE409941C
Cited
US1600496A
Cited
DE469652C
Cited
US1767265A
Cited
US1917522A
Cited
DE565152C
Cited
US2198618A
Cited
US2526715A
Cited
US2668600A
Cited
US2702090A
Cited
US2812035A
Cited
US2976951A
Cited
GB888871A
Cited
US3158453A
Cited
US3086341A
Cited
US3113852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |