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US2719080A
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Gas mixing control methods and apparatus
Assignee: Individual
•
Filing: 1951-10-23
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Granted: 1955-09-27
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Expires: 1971-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin X Schmidt
- 👤 Charles W Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:38
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/135; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2496; Y10T137/2514; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
IN A GAS MIXING CONTROL SYSTEM, IN COMBINATION, A DISTRIBUTION LINE CONNECTED TO A SOURCE OF BASE GAS THE TOTAL VOLUMETRIC RATE OF FLOW OF WHICH IS INSUFFICIENT TO SATISFY THE DEMAND OF SAID DISTRIBUTION LINE FOR A GIVEN PERIOD OF TIME, SAID BASE GAS HAVING A SUBSTANTIALLY CONSTANT TOTAL HEATING VALUE PER UNIT VOLUME AND BEING SUPPLIED AT A VOLUMETRIC RATE VARIABLE WITH THE RATE OF DEMAND OF SAID DISTRIBUTION LINE TO PROVIDE A PREDETERMINED SUBSTANTIALLY CONSTANT PRESSURE IN SAID LINE; MEANS FOR CONTINUOUSLY SUPPLYING TO SAID DISTRIBUTION LINE A FLOW OF AUXILIARY GAS AT A PRESSURE SUBSTANTIALLY CORRESPONDING TO THAT ABOVE MENTIONED TO SUPPLEMENT SAID FLOW OF BASE GAS, SAID LAST MENTIONED MEANS INCLUDING FLOW CONTROLLING MEANS FOR CONTROLLING THE RATE OF FLOW
References Cited (Backward Citations)
US2193240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |