US3355860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three canister regenerative co2 system
Assignee: RTX Corp
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Filing: 1965-02-18
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Granted: 1967-12-05
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Walter E Arnoldi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:54
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D2253/00; B01D2253/10; B01D2253/106; B01D2253/108; B01D2257/00; B01D2257/50; B01D2257/504; B01D2257/80; B01D2259/00; B01D2259/40; B01D2259/403; B01D2259/45; B01D2259/4566; B01D2259/4575; Y; Y02; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
226 words
THE THREE STAGE METHOD OF OPERATING A THREE CANISTER REGENERATIVE CO2 SYSTEM FOR CABIN AIR PURIFICATION WHICH INCLUDES IN THE FIRST STAGE THE STEPS OF CIRCULATING H2O AND CO2 LADEN AIR FROM THE CABIN THROUGH THE FIRST OF THE THREE CANISTERS TO ADSORB THE H2O AND CO2 CONTENT OF THE AIR, RETURNING THE AIR FROM THE FIRST CANISTER THROUGH THE SECOND CANISTER TO DESORB THE H2O CONTENT OF SAID SECOND CANISTER, RETURNING THE MOIST AIR FROM SAID SECOND CANISTER TO THE CABIN, AND SIMULTANEOUSLY CONNECTING THE THIRD CANISTER TO VACUUM; IN THE SECOND STAGE CIRCULATING H2O AND CO2 LADEN AIR FROM THE CABIN THROUGH THE SECOND CANISTER TO ADSORB THE H2O AND CO2 CONTENT OF THE AIR, RETURNING THE AIR TO THE CABIN THROUGH THE THIRD CANISTER TO ADSORB THE H2O CONTENT OF SAID THIRD CANISTER, AND SIMULTANEOUSLY CONNECTING THE FIRST CANISTER TO VACUUM TO EXHAUST ITS CO2 CONTENT; AND IN THE THIRD STAGE CIRCULATING THE H2O AND CO2 LADEN AIR FROM THE CABIN THROUGH THE THIRD CANISTER TO ADSORB THE H2O AND CO2 CONTENT OF THE AIR, PASSING THE AIR FROM THE THIRD CANISTER THROUGH THE FIRST CANISTER TO DESORB THE H2O CONTENT OF THE FIRST CANISTER, RETURNING THE MOIST AIR FROM THE FIRST CANISTER TO THE CABIN, AND SIMULTANEOUSLY CONNECTING THE SECOND CANISTER TO VACUUM TO EXHAUST THE CO2 CONTENT OF THE SECOND CANISTER.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |