US3335550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryosorption apparatus
Assignee: Union Carbide Corp
•
Filing: 1966-10-06
•
Granted: 1967-08-15
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Silvin A Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:57
CPC Classifications
F; F04; F04B; F04B37/00; F04B37/06; F04B37/08; H; H01; H01J; H01J9/00; H01J9/38; H01J9/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
CRYOSORPTION APPARATUS WHICH COMPRISES: A GAS-TIGHT CASTING HAVING END AND SIDE WALLS; A HEAT EXCHANGER POSITIONED WITHIN THE CASING AND COMPRISING AT LEAST ONE REFRIGERANT CONDUIT LONGITUDINALLY COEXTENSIVE WITH THE CASING SIDE WALLS AND BETWEEN THE CASING END WALLS; REFRIGERANT INLET MEANS COMMUNICATING WITH ONE END OF SAID REFRIGERANT FLUID CONDUIT AND REFRIGERANT OUTLET MEANS COMMUNICATING WITH THE OPPOSITE END OF SAID REFRIGERANT FLUID CONDUIT, A MULTIPLICITY OF EXTENDED SURFACE SOLID FIN MEMBERS SPACED PARALLEL TO EACH OTHER ALONG THE MAJOR PORTION OF THE REFRIGERANT FLUID CONDUIT EXTERIOR SURFACES, BEING FIXEDLY ATTACHED TO AND EXTENDING SUBSTANTIALLY NORMAL TO AND OUTWARDLY FROM SUCH EXTERIOR SURFACE WITH OUTER EDGES SPACED FROM THE INNER SURFACES OF THE CASING SIDE WALLS; SCREEN RETAINING MEANS ENCLOSING THE FIN MEMBER OUTER SURFACES AND SPACED INWARDLY FROM AND SUBSTANTIALLY PARALLEL TO THE CASING SIDE WALL INNER SURFACE TO FROM AN ANNULAR SPACE THEREBETWEEN; A BED OF ADSORBENT MATERIAL PACKED AROUND SAID FIN MEMBERS AND FILLING THE SPACE THEREBETWEEN, BEING ENCLOSED BY SAID SCREEN RETAINING MEANS SUCH THAT SAID FIN MEMBERS ARE SUBSTANTIALLY COMPLETELY SURROUNDED BY SAID ADSORBENT MATERIAL WITH THE OUTER PERIPHERY OF SAID BED BEING DIRECTLY EXPOSED TO SAID ANNULAR SPACE; AND GAS INLET MEANS CONNECTED TO SAID CASING IN GASEOUS COMMUNICATION WITH THE ABSORBENT BED AND SAID ANNULAR SPACE.
Claim 2
Dependent Claim
214 words
CRYOSORPTION APPARATUS WHICH COMPRISES: A GAS-TIGHT CASTING HAVING END AND SIDE WALLS; A HEAT EXCHANGER POSITIONED WITHIN THE CASING AND COMPRISING AT LEAST ONE REFRIGERANT CONDUIT LONGITUDINALLY COEXTENSIVE WITH THE CASING SIDE WALLS AND BETWEEN THE CASING END WALLS; REFRIGERANT INLET MEANS COMMUNICATING WITH ONE END OF SAID REFRIGERANT FLUID CONDUIT AND REFRIGERANT OUTLET MEANS COMMUNICATING WITH THE OPPOSITE END OF SAID REFRIGERANT FLUID CONDUIT, A MULTIPLICITY OF EXTENDED SURFACE SOLID FIN MEMBERS SPACED PARALLEL TO EACH OTHER ALONG THE MAJOR PORTION OF THE REFRIGERANT FLUID CONDUIT EXTERIOR SURFACES, BEING FIXEDLY ATTACHED TO AND EXTENDING SUBSTANTIALLY NORMAL TO AND OUTWARDLY FROM SUCH EXTERIOR SURFACE WITH OUTER EDGES SPACED FROM THE INNER SURFACES OF THE CASING SIDE WALLS; SCREEN RETAINING MEANS ENCLOSING THE FIN MEMBER OUTER SURFACES AND SPACED INWARDLY FROM AND SUBSTANTIALLY PARALLEL TO THE CASING SIDE WALL INNER SURFACE TO FROM AN ANNULAR SPACE THEREBETWEEN; A BED OF ADSORBENT MATERIAL PACKED AROUND SAID FIN MEMBERS AND FILLING THE SPACE THEREBETWEEN, BEING ENCLOSED BY SAID SCREEN RETAINING MEANS SUCH THAT SAID FIN MEMBERS ARE SUBSTANTIALLY COMPLETELY SURROUNDED BY SAID ADSORBENT MATERIAL WITH THE OUTER PERIPHERY OF SAID BED BEING DIRECTLY EXPOSED TO SAID ANNULAR SPACE; AND GAS INLET MEANS CONNECTED TO SAID CASING IN GASEOUS COMMUNICATION WITH THE ABSORBENT BED AND SAID ANNULAR SPACE.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |