US2718753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved operation of internal combustion engine operating on liquid petroleum gas fuel
Assignee: Phillips Petroleum Co
•
Filing: 1951-01-02
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Granted: 1955-09-27
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Oscar C Bridgeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:33
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/14; F02C7/141; F02C7/143; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD FOR INCREASING THE POWER OUTPUT OF A COMBUSTION ENGINE USING A VOLATILE HYDROCARBON LIQUID FUEL COMPRISING THE STEPS OF COMPRESSING AIR TO A SUPERATMOSPHERIC PRESSURE WHEREBY THE AIR IS HEATED, PASSING THIS HEATED COMPRESSED AIR IN INDIRECT HEAT EXCHANGE WITH AN ADMIXTURE OF ONE PORTION OF THE FURTHER COMPRESSED AIR AS SUBSEQUENTLY PRODUCED AND LIQUID FUEL WHEREBY THE LIQUID FUEL VAPORIZES IN SAID FURTHER COMPRESSED AIR AND ABSORBS HEAT INDIRECTLY FROM SAID HEATED COMPRESSED AIR THEREBY COOLING SAME, COMPRESSING THE COOLED COMPRESSED AIR TO A HIGHER SUPERATMOSPHERIC PRESSURE, DIVIDING THIS FURTHER COMPRESSED AIR INTO TWO PORTIONS, ADDING TO ONE PORTION SAID LIQUID FUEL TO PROVIDE THE AFORESAID ADMIXTURE, COMBINING THE ADMIXTURE AFTER SAID INDIRECT HEAT EXCHANGE WITH THE REMAINING PORTION OF THE FURTHER COMPRESSED AIR AND BURNING THIS MIXTURE TO PRODUCE HOT COMBUSTION GASES, EXPANDING THE HOT COMBUSTION GASES TO PRODUCE WORK, AND EXHAUSTING THE EXPANDED GASES.
Claim 2
Independent Claim
149 words
A METHOD FOR INCREASING THE POWER OUTPUT OF A COMBUSTION ENGINE USING A VOLATILE HYDROCARBON LIQUID FUEL COMPRISING THE STEPS OF COMPRESSING AIR TO A SUPERATMOSPHERIC PRESSURE WHEREBY THE AIR IS HEATED, PASSING THIS HEATED COMPRESSED AIR IN INDIRECT HEAT EXCHANGE WITH AN ADMIXTURE OF ONE PORTION OF THE FURTHER COMPRESSED AIR AS SUBSEQUENTLY PRODUCED AND LIQUID FUEL WHEREBY THE LIQUID FUEL VAPORIZES IN SAID FURTHER COMPRESSED AIR AND ABSORBS HEAT INDIRECTLY FROM SAID HEATED COMPRESSED AIR THEREBY COOLING SAME, COMPRESSING THE COOLED COMPRESSED AIR TO A HIGHER SUPERATMOSPHERIC PRESSURE, DIVIDING THIS FURTHER COMPRESSED AIR INTO TWO PORTIONS, ADDING TO ONE PORTION SAID LIQUID FUEL TO PROVIDE THE AFORESAID ADMIXTURE, COMBINING THE ADMIXTURE AFTER SAID INDIRECT HEAT EXCHANGE WITH THE REMAINING PORTION OF THE FURTHER COMPRESSED AIR AND BURNING THIS MIXTURE TO PRODUCE HOT COMBUSTION GASES, EXPANDING THE HOT COMBUSTION GASES TO PRODUCE WORK, AND EXHAUSTING THE EXPANDED GASES.
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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) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |