US3170776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydration apparatus
Assignee: Individual
•
Filing: 1961-08-07
•
Granted: 1965-02-23
•
Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Knight
- 👤 Clifford J Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A DEHYDRATION APPARATUS FOR REMOVING WATER FROM GASES, COMPRISING A SHELL HAVING A PLURALITY OF VERTICALLY SPACED TRAYS THEREIN INCLUDING A FIRST TRAY AND A SECOND TRAY THEREABOVE, MEANS WITH EACH OF SAID TRAYS FOR HOLDING A LAYER OF LIQUID DESICCANT, MEANS FOR FLOWING THE LIQUID DESICCANT DOWNWARDLY FROM EACH OF SAID TRAYS TO THE TRAY THEREBELOW, AND MEANS FOR DIRECTING A GAS HAVING WATER VAPOR THEREWITH UPWARDLY THROUGH SAID SHELL FOR PICKING UP LIQUID DESICCANT WITH THE GAS TO REMOVE WATER VAPOR FROM THE GAS AND TO MIX THE LIQUID DESICCANT ON THE FIRST TRAY WITH THE SECOND TRYA THEREABOVE, SAID LAST-MENTIONED MEANS INCLDUING A VENTURI TUBE EXTENDING FROM BELOW AND THROUGH SAID FIRST TRAY TO AND THROUGH SAID SECOND TRAY THEREABOVE AND HAVING AN OPENING THEREIN ESTABLISHING FLUID COMMUNICATION FROM THE LIQUID ON THE FIRST TRAY TO THE INTERIOR OF THE TUBE AND SAID TUBE HAVING AN OUTLET FOR THE GAS AND LIQUID DESICCANT ABOVE THE LAYER OF LIQUID ON THE SECOND TRAY.
Claim 2
Dependent Claim
165 words
A DEHYDRATION APPARATUS FOR REMOVING WATER FROM GASES, COMPRISING A SHELL HAVING A PLURALITY OF VERTICALLY SPACED TRAYS THEREIN INCLUDING A FIRST TRAY AND A SECOND TRAY THEREABOVE, MEANS WITH EACH OF SAID TRAYS FOR HOLDING A LAYER OF LIQUID DESICCANT, MEANS FOR FLOWING THE LIQUID DESICCANT DOWNWARDLY FROM EACH OF SAID TRAYS TO THE TRAY THEREBELOW, AND MEANS FOR DIRECTING A GAS HAVING WATER VAPOR THEREWITH UPWARDLY THROUGH SAID SHELL FOR PICKING UP LIQUID DESICCANT WITH THE GAS TO REMOVE WATER VAPOR FROM THE GAS AND TO MIX THE LIQUID DESICCANT ON THE FIRST TRAY WITH THE SECOND TRYA THEREABOVE, SAID LAST-MENTIONED MEANS INCLDUING A VENTURI TUBE EXTENDING FROM BELOW AND THROUGH SAID FIRST TRAY TO AND THROUGH SAID SECOND TRAY THEREABOVE AND HAVING AN OPENING THEREIN ESTABLISHING FLUID COMMUNICATION FROM THE LIQUID ON THE FIRST TRAY TO THE INTERIOR OF THE TUBE AND SAID TUBE HAVING AN OUTLET FOR THE GAS AND LIQUID DESICCANT ABOVE THE LAYER OF LIQUID ON THE SECOND TRAY.
References Cited (Backward Citations)
DE168344C
Cited
US1854002A
Cited
GB530219A
Cited
US2523126A
Cited
US2635949A
Cited
US2804940A
Cited
US2995203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |