Patent US2981665A successfully refreshed from Google Patents.
US2981665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal structure for heat and mass exchanging columns
Assignee: Julius Montz GmbH
•
Filing: 1958-03-18
•
Granted: 1961-04-25
•
Expires: 1978-03-18
Abstract
No abstract record available.
Inventors
- 👤 Kloss Hans-Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:32
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; B; B01; B01J; B01J19/00; B01J19/32; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32279; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A HEAT AND MASS EXCHANGER COLUMN, IN COMBINATION, AN ELONGATED HOLLOW SUBSTANTIALLY VERTICAL ENCLOSURE HAVING A VAPOR INLET AND A VAPOR OUTLET LOCATED AT A HIGHER ELEVATION THAN SAID INLET SO THAT VAPOR ENTERING SAID ENCLOSURE THROUGH SAID INLET MOVES UPWARDLY ALONG THE INTERIOR OF SAID ENCLOSURE TO SAID OUTLET, CONDENSING MEANS LOCATED IN SAID ENCLOSURE AT AN ELEVATION HIGHER THAN SAID INLET AND LOWER THAN SAID OUTLET FOR CONDENSING AT LEAST SOME OF THE VAPOR MOVING UPWARDLY ALONG THE INTERIOR OF SAID ENCLOSURE TOWARD SAID OUTLET, AND A PLURALITY OF ELONGATED LIQUID FILM SUPPORTING ELEMENTS ARRANGED SUBSTANTIALLY VERTICALLY IN SAID ENCLOSUR AT AN ELEVATION HIGHER THAN SAID INLET AND BENEATH SAID CONDENSING MEANS COMMUNICATING WITH THE LATTER TO RECEIVE THE CONDENSED LIQUID THEREFROM AND TO GUIDE THE LIQUID IN THE FORM OF FILM ALONG SAID FILM SUPPORTING ELEMENTS DOWNWARDLY IN SAID ENCLOSURE IN COUNTERCURRENT TO THE UPWARDLY MOVING VAPOR, SAID PLURALITY OF FILM SUPPORTING ELEMENTS EACH HAVING A LENGTH SEVERAL TIMES
Claim 2
Dependent Claim
163 words
IN A HEAT AND MASS EXCHANGER COLUMN, IN COMBINATION, AN ELONGATED HOLLOW SUBSTANTIALLY VERTICAL ENCLOSURE HAVING A VAPOR INLET AND A VAPOR OUTLET LOCATED AT A HIGHER ELEVATION THAN SAID INLET SO THAT VAPOR ENTERING SAID ENCLOSURE THROUGH SAID INLET MOVES UPWARDLY ALONG THE INTERIOR OF SAID ENCLOSURE TO SAID OUTLET, CONDENSING MEANS LOCATED IN SAID ENCLOSURE AT AN ELEVATION HIGHER THAN SAID INLET AND LOWER THAN SAID OUTLET FOR CONDENSING AT LEAST SOME OF THE VAPOR MOVING UPWARDLY ALONG THE INTERIOR OF SAID ENCLOSURE TOWARD SAID OUTLET, AND A PLURALITY OF ELONGATED LIQUID FILM SUPPORTING ELEMENTS ARRANGED SUBSTANTIALLY VERTICALLY IN SAID ENCLOSUR AT AN ELEVATION HIGHER THAN SAID INLET AND BENEATH SAID CONDENSING MEANS COMMUNICATING WITH THE LATTER TO RECEIVE THE CONDENSED LIQUID THEREFROM AND TO GUIDE THE LIQUID IN THE FORM OF FILM ALONG SAID FILM SUPPORTING ELEMENTS DOWNWARDLY IN SAID ENCLOSURE IN COUNTERCURRENT TO THE UPWARDLY MOVING VAPOR, SAID PLURALITY OF FILM SUPPORTING ELEMENTS EACH HAVING A LENGTH SEVERAL TIMES
References Cited (Backward Citations)
DE449935C
Cited
GB104163A
Cited
US1494989A
Cited
US2143904A
Cited
US2332110A
Cited
US2370462A
Cited
US2608528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |