US3365242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for discharging a gas from a container at a constant rate through several conduits
Assignee: Institut de Recherches de la Siderurgie Francaise IRSID
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Filing: 1966-12-08
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Granted: 1968-01-23
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Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Marchetti Angel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:39
CPC Classifications
F; F17; F17C; F17C7/00; C; C21; C21B; C21B5/00; C21B5/001; C21B5/003; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/32; C21C5/42; C21C5/46; C21C5/4606; C21C7/00; C21C7/0037; F17B; F17B1/00; F17B1/02; F17B1/12; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0193; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2227/00; F17C2227/04; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/0636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN APPARATUS FOR DISCHARGING A GAS FROM A CONTAINER THROUGH A PLURALITY OF DISCHARGE CONDUITS AT A CONSTANT COMBINED RATE WHILE VARYING THE GAS FLOW IN ONE OF SAID CONDUITS COMPRISING, IN COMBINATION: (A) A CONTAINER; (B) FIRST PRESSURE CONTROL MEANS FOR MAINTAINING A BODY OF GAS IN SAID CONTAINER AT A CONSTANT PRESSURE; (C) A FIRST DISCHARGE CONDUIT; (D) A CONVERGENT-DIVERGENT NOZZLE CONNECTING SAID CONTAINER WITH SAID FIRST CONDUIT FOR FLOW OF GAS FROM SAID CONTAINER THROUGH SAID CONDUIT; (E) A SECOND DISCHARGE CONDUIT BRANCHING FROM SAID FIRST CONDUIT DOWNSTREAM FROM SAID NOZZLE; (F) VALVE MEANS IN SAID SECOND CONDUIT FOR CONTROLLING GAS FLOW THERETHROUGH; (G) CONTROL VALVE MEANS IN SAID FIRST CONDUIT DOWNSTREAM FROM SAID NOZZLE; AND (H) PRESSURE RESPONSIVE VALVE ACTUATOR MEANS OPERATING SAID VALVE MEANS IN RESPONSE TO GAS PRESSURE IN SAID FIRST CONDUIT FOR KEEPING SAID GAS PRESSURE AT A CONSTANT VALUE.
Claim 2
Independent Claim
147 words
AN APPARATUS FOR DISCHARGING A GAS FROM A CONTAINER THROUGH A PLURALITY OF DISCHARGE CONDUITS AT A CONSTANT COMBINED RATE WHILE VARYING THE GAS FLOW IN ONE OF SAID CONDUITS COMPRISING, IN COMBINATION: (A) A CONTAINER; (B) FIRST PRESSURE CONTROL MEANS FOR MAINTAINING A BODY OF GAS IN SAID CONTAINER AT A CONSTANT PRESSURE; (C) A FIRST DISCHARGE CONDUIT; (D) A CONVERGENT-DIVERGENT NOZZLE CONNECTING SAID CONTAINER WITH SAID FIRST CONDUIT FOR FLOW OF GAS FROM SAID CONTAINER THROUGH SAID CONDUIT; (E) A SECOND DISCHARGE CONDUIT BRANCHING FROM SAID FIRST CONDUIT DOWNSTREAM FROM SAID NOZZLE; (F) VALVE MEANS IN SAID SECOND CONDUIT FOR CONTROLLING GAS FLOW THERETHROUGH; (G) CONTROL VALVE MEANS IN SAID FIRST CONDUIT DOWNSTREAM FROM SAID NOZZLE; AND (H) PRESSURE RESPONSIVE VALVE ACTUATOR MEANS OPERATING SAID VALVE MEANS IN RESPONSE TO GAS PRESSURE IN SAID FIRST CONDUIT FOR KEEPING SAID GAS PRESSURE AT A CONSTANT VALUE.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |