Patent US2883271A successfully refreshed from Google Patents.
US2883271A
Expired / Lapsed
US
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Safety system for combustion process
Assignee: Phillips Petroleum Co
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Filing: 1956-11-23
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Granted: 1959-04-21
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Edward N Pennington
- 👤 Lyle W Pollock
- 👤 James Q Wood
- 👤 Alvin J Andrews
- 👤 Lyndon D Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:01
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; Y; Y10; Y10T; Y10T137/00; Y10T137/7722
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A SYSTEM FOR BURNING A COMBUSTIBLE GASEOUS MIXTURE INCLUDING A REACTOR, FIRST CONDUITS FOR SUPPLYING TO SAID REACTOR A HYDROCARBON CHARGING STOCK FROM A SOURCE THEREOF, FUEL UNDER PRESSURE, AND AIR UNDER PRESSURE, A SAFETY SYSTEM COMPRISING SENSING MEANS RESPONSIVE TO PRESSURE IN EACH OF SAID FIRST CONDUITS, A RECYCLE CONDUIT COMMUNICATING BETWEEN SAID SOURCE AND THAT SAID FIRST CONDUIT SUPPLYING SAID CHARGING STOCK AT A FIRST POINT THEREIN, A FIRST VALVE IN SAID RECYCLE CONDUIT, AND A SECOND VALVE IN THAT SAID FIRST CONDUIT SUPPLYING SAID CHARGING STOCK AT A POINT DOWNSTREAM OF SAID FIRST POINT, SAID FIRST AND SECOND VALVES CONTROLLED BY SAID SENSING MEANS WHEREBY SAID FIRST VALVE IS OPENED AND SAID SECOND VALVE IS CLOSED WHEN THE PRESSURE IN ANY OF SAID FIRST CONDUITS FALLS BELOW A PREDETERMINED VALVE.
Claim 2
Dependent Claim
134 words
IN A SYSTEM FOR BURNING A COMBUSTIBLE GASEOUS MIXTURE INCLUDING A REACTOR, FIRST CONDUITS FOR SUPPLYING TO SAID REACTOR A HYDROCARBON CHARGING STOCK FROM A SOURCE THEREOF, FUEL UNDER PRESSURE, AND AIR UNDER PRESSURE, A SAFETY SYSTEM COMPRISING SENSING MEANS RESPONSIVE TO PRESSURE IN EACH OF SAID FIRST CONDUITS, A RECYCLE CONDUIT COMMUNICATING BETWEEN SAID SOURCE AND THAT SAID FIRST CONDUIT SUPPLYING SAID CHARGING STOCK AT A FIRST POINT THEREIN, A FIRST VALVE IN SAID RECYCLE CONDUIT, AND A SECOND VALVE IN THAT SAID FIRST CONDUIT SUPPLYING SAID CHARGING STOCK AT A POINT DOWNSTREAM OF SAID FIRST POINT, SAID FIRST AND SECOND VALVES CONTROLLED BY SAID SENSING MEANS WHEREBY SAID FIRST VALVE IS OPENED AND SAID SECOND VALVE IS CLOSED WHEN THE PRESSURE IN ANY OF SAID FIRST CONDUITS FALLS BELOW A PREDETERMINED VALVE.
References Cited (Backward Citations)
US2785960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |