US2578475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of gas comprising hydrogen and carbon monoxide
Assignee: Gulf Research and Development Co
•
Filing: 1949-05-09
•
Granted: 1951-12-11
•
Expires: 1969-05-09
Abstract
No abstract record available.
Inventors
- 👤 Joel H Hirsch
- 👤 Maurice J Boegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:41
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; C01B3/366; Y; Y10; Y10S; Y10S123/00; Y10S123/12; Y10S48/00; Y10S48/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
113 words
A PROCESS OF PRODUCING IN A SPARK IGNITION INTERNAL COMBUSTION ENGINE PROVIDED WITH A CYLINDER AND PISTON A GAS COMPRISING HYDROGEN AND CARBON MONOXIDE WITH A HIGH HYDROGEN TO CARBON MONOXIDE RATIO, WHICH COMPRISES INTRODUCING INTO SAID CYLINDER A PERFORMED CHARGE MIXTURE OF OXYGEN AND A HYDROCARBON FUEL IN WHICH THE ATOMIC RATIO OF HYDROGEN TO CARBON IS IN THE RANGE OF 3.50:1 TO 4.0:1, SAID CHARGE MIXTURE CONTAINING SAID OXYGEN AND SAID FUEL IN A MOL RATIO IN THE RANGE OF 0.75:1 TO 0.90:1, COMPRESSING SAID CHARGE MIXTURE IN SAID CYLINDER BY THE PISTON UNDER CONDITIONS ADAPTED TO PRODUCE A COMPRESSION PRESSURE NOT IN EXCESS OF THE PRESSURE DETERMINED BY THE EQUATION,
Claim 2
Dependent Claim
113 words
A PROCESS OF PRODUCING IN A SPARK IGNITION INTERNAL COMBUSTION ENGINE PROVIDED WITH A CYLINDER AND PISTON A GAS COMPRISING HYDROGEN AND CARBON MONOXIDE WITH A HIGH HYDROGEN TO CARBON MONOXIDE RATIO, WHICH COMPRISES INTRODUCING INTO SAID CYLINDER A PERFORMED CHARGE MIXTURE OF OXYGEN AND A HYDROCARBON FUEL IN WHICH THE ATOMIC RATIO OF HYDROGEN TO CARBON IS IN THE RANGE OF 3.50:1 TO 4.0:1, SAID CHARGE MIXTURE CONTAINING SAID OXYGEN AND SAID FUEL IN A MOL RATIO IN THE RANGE OF 0.75:1 TO 0.90:1, COMPRESSING SAID CHARGE MIXTURE IN SAID CYLINDER BY THE PISTON UNDER CONDITIONS ADAPTED TO PRODUCE A COMPRESSION PRESSURE NOT IN EXCESS OF THE PRESSURE DETERMINED BY THE EQUATION,
Claim 3
Dependent Claim
3 words
8 P= R4.84
Claim 4
Dependent Claim
3 words
8 P= R4.84
Claim 5
Dependent Claim
3 words
5 P= R3.12
Claim 6
Dependent Claim
3 words
5 P= R3.12
References Cited (Backward Citations)
US1107582A
Cited
US1107581A
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GB479518A
Cited
US2363708A
Cited
US2376479A
Cited
US2484249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |