Patent US3200636A successfully refreshed from Google Patents.
US3200636A
Expired / Lapsed
US
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Apparatus for detecting water vapor in gas
Assignee: MSA Safety Inc
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Filing: 1963-01-30
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Granted: 1965-08-17
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Gene C Flumerfelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:13
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/20; G01N25/48; G01N25/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A DETECTOR FOR WATER VAPOR IN A GAS, COMPRISING A CASING CONTAINING AN ADSORPTION BED AND HAVING A COMBINATION INLET AND OUTLET PORT AT EACH END OF THE BED, MEANS FOR DELIVERING A STREAM OF GAS CONTAINING WATER VAPOR TO ONE OF SAID PORTS AT A PREDETERMINED FLOW RATE AND SIMULTANEOUSLY VENTING THE OTHER PORT, MEANS FOR SENSING THE TEMPERATURE OF THE BED PRODUCED BY THE HEAT OF ADSORPTION OF SAID WATER VAPOR, MEANS FOR INDICATING SAID TEMPERATURE AS A MEASURE OF THE CONCENTRATION OF WATER VAPOR IN THE GAS, AND MEANS OPERATIVE AFTER A PREDETERMINED INTERVAL BUT BEFORE HALF THE LENGTH OF SAID BED HAS BECOME MOISTENED TO SWITCH SAID STREAM OF GAS TO SAID OTHER PORT AT SAID SAME FLOW RATE AND TO VENT SAID ONE PORT IN ORDER TO REVERSE THE FLOW THROUGH THE BED, WHEREBY THE MOIST END OF THE BED IS DRIED BY GAS THAT HAS DEPOSITED ITS WATER VAPOR IN THE OPPOSITE END OF THE BED.
Claim 2
Dependent Claim
162 words
A DETECTOR FOR WATER VAPOR IN A GAS, COMPRISING A CASING CONTAINING AN ADSORPTION BED AND HAVING A COMBINATION INLET AND OUTLET PORT AT EACH END OF THE BED, MEANS FOR DELIVERING A STREAM OF GAS CONTAINING WATER VAPOR TO ONE OF SAID PORTS AT A PREDETERMINED FLOW RATE AND SIMULTANEOUSLY VENTING THE OTHER PORT, MEANS FOR SENSING THE TEMPERATURE OF THE BED PRODUCED BY THE HEAT OF ADSORPTION OF SAID WATER VAPOR, MEANS FOR INDICATING SAID TEMPERATURE AS A MEASURE OF THE CONCENTRATION OF WATER VAPOR IN THE GAS, AND MEANS OPERATIVE AFTER A PREDETERMINED INTERVAL BUT BEFORE HALF THE LENGTH OF SAID BED HAS BECOME MOISTENED TO SWITCH SAID STREAM OF GAS TO SAID OTHER PORT AT SAID SAME FLOW RATE AND TO VENT SAID ONE PORT IN ORDER TO REVERSE THE FLOW THROUGH THE BED, WHEREBY THE MOIST END OF THE BED IS DRIED BY GAS THAT HAS DEPOSITED ITS WATER VAPOR IN THE OPPOSITE END OF THE BED.
References Cited (Backward Citations)
US2826908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |