US3266784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehumidifier of air
Assignee: Individual
•
Filing: 1964-02-19
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Granted: 1966-08-16
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Expires: 1984-02-19
Abstract
No abstract record available.
Inventors
- 👤 Saito Akira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:43
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1417; B; B01; B01D; B01D53/00; B01D53/26; F24F3/1423; F24F2003/144; F24F2003/1458; F24F2003/1464; F24F2203/00; F24F2203/10; F24F2203/1004; F24F2203/1016; F24F2203/1032; F24F2203/1048; F24F2203/1056; F24F2203/1072; F24F2203/108; F24F2203/1084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A DEHUMIDIFIER OF AIR COMPRISING AN ABSORPTION AND A REGENERATIVE TOWER DISPOSED IN SIDE BY SIDE RELATIONSHIP AND HAVING COMMON WALL TANKS FORMED IN THE BOTTOM OF EACH TOWER AND ADAPTED TO CONTAIN A LIQUID ABSORBENT, FIRST AND SECOND ROTARY OPEN ENDED DRUMS MOUNTED ON A HORIZONTAL SHAFT IN SAID ABSORPTION AND REGENERATIVE TOWERS RESPECTIVELY ADAPTED TO ROTATE IN A VERTICAL PLANE AND SO ARRANGED THAT THE LOWER PORTIONS OF SAID DRUMS EXTEND INTO SAID TANKS SO AS TO CONTACT LIQUID THEREIN, THE INTERIOR OF EACH OF SAID DRUMS BEING FILLED WITH POROUS PACKING MATERIAL, MEANS TO ROTATE SAID DRUMS, A PLURALITY OF BUCKETS ATTACHED TO THE DRUM IN THE ABSORPTION TOWER ON THE SIDE OF THE DRUM ADJACENT SAID COMMON WALL AND RADIALLY DISTANT FROM SAID SHAFT, A TROUGH POSITIONED IN SAID ABSORPTION TOWER BETWEEN THE PARTITION WALL AND SAID FIRST DRUM ABOVE SAID SHAFT AND RADIALLY CLOSER TO SAID SHAFT THAN SAID BUCKETS, A PIPE EXTENDING FROM SAID TROUGH THROUGH SAID PARTITION AND INTO THE TANK IN SAID REGENERATION TOWER, WHEREBY WHEN SAID FIRST DRUM IS ROTATED, THE PACKING IN SAID FIRST DRUM IS WETTED BY SAID LIQUID AND SAID BUCKETS
Claim 2
Dependent Claim
193 words
A DEHUMIDIFIER OF AIR COMPRISING AN ABSORPTION AND A REGENERATIVE TOWER DISPOSED IN SIDE BY SIDE RELATIONSHIP AND HAVING COMMON WALL TANKS FORMED IN THE BOTTOM OF EACH TOWER AND ADAPTED TO CONTAIN A LIQUID ABSORBENT, FIRST AND SECOND ROTARY OPEN ENDED DRUMS MOUNTED ON A HORIZONTAL SHAFT IN SAID ABSORPTION AND REGENERATIVE TOWERS RESPECTIVELY ADAPTED TO ROTATE IN A VERTICAL PLANE AND SO ARRANGED THAT THE LOWER PORTIONS OF SAID DRUMS EXTEND INTO SAID TANKS SO AS TO CONTACT LIQUID THEREIN, THE INTERIOR OF EACH OF SAID DRUMS BEING FILLED WITH POROUS PACKING MATERIAL, MEANS TO ROTATE SAID DRUMS, A PLURALITY OF BUCKETS ATTACHED TO THE DRUM IN THE ABSORPTION TOWER ON THE SIDE OF THE DRUM ADJACENT SAID COMMON WALL AND RADIALLY DISTANT FROM SAID SHAFT, A TROUGH POSITIONED IN SAID ABSORPTION TOWER BETWEEN THE PARTITION WALL AND SAID FIRST DRUM ABOVE SAID SHAFT AND RADIALLY CLOSER TO SAID SHAFT THAN SAID BUCKETS, A PIPE EXTENDING FROM SAID TROUGH THROUGH SAID PARTITION AND INTO THE TANK IN SAID REGENERATION TOWER, WHEREBY WHEN SAID FIRST DRUM IS ROTATED, THE PACKING IN SAID FIRST DRUM IS WETTED BY SAID LIQUID AND SAID BUCKETS
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |