US3576603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen manufacture using gas turbine driven centrifugal compressors
Assignee: Chevron USA Inc
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Filing: 1969-04-01
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Granted: 1971-04-27
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Expires: 1989-04-01
Abstract
Abstract A PROCESS FOR PRODUCING HIGH PRESSURE HYDROGEN WHICH COMPRISES: (A) REACTING A HYDROCARBON WITH STEAM IN A STEAM REFORMER TO PRODUCE H2 AND CO2, (B) CENTRIFUGALLY COMPRESSING AT LEAST A PORTION OF THE H2 AND CO2 IN A CENTRIFUGAL COMPRESSOR, PRIOR TO SEPARATING THE CO2 FROM THE H2, (C) DRIVING THE CENTRIFUGAL COMPRESSOR BY MEANS OF A GAS TURBINE DRIVER, (D) USING AIR WHICH HAS BEEN INCOMPLETELY COMBUSTED AS MOTIVE POWER FOR THE GAS TURBINE DRIVER, AND (E) SUPPLYING HEAT FOR THE ENDOTHERMIC REACTION OF THE HYDROCARBON WITH STEAM IN THE STEAM REFORMER BY BURNING FUEL WITH INCOMPLETELY COMBUSTED EXHAUST AIR FROM THE GAS TURBINE DRIVER.
Inventors
- 👤 Calvin S Smith
- 👤 William J Mcleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:59
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; C01B3/50; C01B3/52; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/0283; C01B2203/0288; C01B2203/04; C01B2203/0415; C01B2203/0435; C01B2203/0445; C01B2203/0465; C01B2203/0475; C01B2203/0495; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/0816; C01B2203/0822; C01B2203/0866; C01B2203/0872; C01B2203/0877; C01B2203/0883; C01B2203/0888; C01B2203/0894; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/1076; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241; C01B2203/14; C01B2203/146; C01B2203/147; Y; Y02; Y02P; Y02P20/00; Y02P20/10
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |