US3273982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas mixing method and apparatus
Assignee: Republic Steel Corp
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Filing: 1965-02-24
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Granted: 1966-09-20
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Mcdonald
- 👤 Franklin E Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:26
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/10; B01F23/19; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/0352; Y10T137/0363; Y10T137/2496; Y10T137/2514; Y10T137/2516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
THE METHOD OF MIXING GASES WHICH COMPRISES THE STEPS OF PASSING A HIGH PRESSURE GAS THROUGH A SINGLE, CONTINUOUSLY VARIABLE VOLUME VALVE MEANS, EXPANDING SAID GAS IN A CHAMBER AND DISCHARGING THE GAS AT A LOWER, PREDETERMINED, CONSTANT PRESSURE INTO A MIXING CHAMBER HAVING AN OUTLET CONDUIT, UTILIZING THE ENERGY RELEASED BY THE EXPANSION OF THE HIGH PRESSURE GAS TO DRAW A LOWER PRESSURE GAS INTO A CHAMBER, COMPRESS IT THEREIN TO A HIGHER, PREDETERMINED, CONSTANT PRESSURE AND DISCHARGE IT INTO SAID MIXING CHAMBER, MAINTAINING SUBSTANTIALLY CONSTANT THE PREDETERMINED RATIO OF THE GASES FLOWING INTO SAID MIXING CHAMBER BY VENTING EXCESS COMPRESSED GAS, MAINTAINING SUBSTANTIALLY CONSTANT THE PRESSURE DROP IN THE GASES FLOWING TO SAID MIXING CHAMBER, WITHDRAWING MIXED GASES FROM SAID MIXED CHAMBER IN WIDELY VARYING VOLUMES AND CONTROLLING THE VOLUME OF SAID HIGH PRESSURE GAS PASSING THROUGH SAID VALVE MEANS IN ACCORDANCE WITH VARIATIONS IN THE PRESSURE OF GASES IN SAID MIXING CHAMBER AND THEREBY VARYING THE VOLUME OF GASES DISCHARGED INTO SAID MIXING CHAMBER IN DIRECT PROPORTION TO THE VOLUME OF GASES WITHDRAWN THEREFROM.
Claim 2
Independent Claim
177 words
THE METHOD OF MIXING GASES WHICH COMPRISES THE STEPS OF PASSING A HIGH PRESSURE GAS THROUGH A SINGLE, CONTINUOUSLY VARIABLE VOLUME VALVE MEANS, EXPANDING SAID GAS IN A CHAMBER AND DISCHARGING THE GAS AT A LOWER, PREDETERMINED, CONSTANT PRESSURE INTO A MIXING CHAMBER HAVING AN OUTLET CONDUIT, UTILIZING THE ENERGY RELEASED BY THE EXPANSION OF THE HIGH PRESSURE GAS TO DRAW A LOWER PRESSURE GAS INTO A CHAMBER, COMPRESS IT THEREIN TO A HIGHER, PREDETERMINED, CONSTANT PRESSURE AND DISCHARGE IT INTO SAID MIXING CHAMBER, MAINTAINING SUBSTANTIALLY CONSTANT THE PREDETERMINED RATIO OF THE GASES FLOWING INTO SAID MIXING CHAMBER BY VENTING EXCESS COMPRESSED GAS, MAINTAINING SUBSTANTIALLY CONSTANT THE PRESSURE DROP IN THE GASES FLOWING TO SAID MIXING CHAMBER, WITHDRAWING MIXED GASES FROM SAID MIXED CHAMBER IN WIDELY VARYING VOLUMES AND CONTROLLING THE VOLUME OF SAID HIGH PRESSURE GAS PASSING THROUGH SAID VALVE MEANS IN ACCORDANCE WITH VARIATIONS IN THE PRESSURE OF GASES IN SAID MIXING CHAMBER AND THEREBY VARYING THE VOLUME OF GASES DISCHARGED INTO SAID MIXING CHAMBER IN DIRECT PROPORTION TO THE VOLUME OF GASES WITHDRAWN THEREFROM.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |