US3171253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion products engine
Assignee: Individual
•
Filing: 1963-05-07
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Granted: 1965-03-02
•
Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 Milliken Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:32
CPC Classifications
F; F02; F02B; F02B25/00; F02B25/02; F02B25/04; F02B77/00; F02B77/02; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
534 words
AN ENGINE OPERATED BY COMBINATION PRODUCTS, SAID ENGINE HAVING A PLURALITY OF IDENTICAL SECTIONS, EACH SECTION HAVING A CYLINDER, A PISTON THEREIN, A CRANCKSHAFT CONNECTED TO SAID PISTON, A CLYINDER-HEAD WITH VALVES THEREIN, SAID PISTON BEING ADAPTED TO MOVE FROM ITS HEAD-END TO ITS CRANK-END AND RETURN, A FUEL VAPORIZING COMBUSTOR OF LIQUID FUEL, SAID COMBUSTOR BEING CONNECTED BY A SYSTEM OF PIPING TO ALL SECTIONS OF THE ENGINE, EACH SECTION HAVING AIR-INLET VALVES ADAPTED TO ADMIT AIR THROUGH SAID CYLINDERHEAD INTO SAID CYLINDER WHEN SAID PISTON REACHES THE CRANK-END OF TIS MOTION, EXHAUST VALVES THROHGT THE WALL OF SAID CYLINDER NEAR ITS CRANK-END, ADAPTED TO DISCHARGE SAID AIR TOGETHER WITH COMBUSTION PRODUCTS TO ATMOSPHERE WHEN SAID PISTON UNCOVERS AND OPENS SAID EXHAUST VALVES, SAID CYLINDER-HEAD HAVING A TWO-WAY VALVE LOCATED IN A VALVE CHAMBER ADAPTED TO BE CLOSED AFTER ADMITTING THE REQUIRED VOLUME OF COMBUSTION PRODUCTS FORM SAID COMBUSTOR, SAID TWO-WAY VALVE REMAINING CLOSED DURING THE REMAINDER OF THE POWER STROKE OF SAID PISTON, SAID EXHUST VALVES BEING CLOSED BY SAID PISTON, THE RETURN STROKE OF THE PISTON TO ITS HEAD-END COMPRESSING SAID AIR, SAID AIR-INLET VALVES REMAINING CLOSED DURING SAID AIR COMPRESSION, SAID TWO-WAY VALVE BEING ADAPTED TO BE OPENED BY THE AIR COMPRESSED IN SAID CYLINDER, DISCHARGING SAID COMPRESSED AIR INTO SAID PIPING SYSTEM, SAID PIPING BEING ADAPTED TO CONDUCT SAID COMPRESSED AIR TO THE AIR-LET END OF SAID COMBUSTOR, SIAD COMBUSTOR BEING ADAPTED TO INCREASE THE VOLUME OF SAID COMPRESSED AIR AT CONSTANT PRESSURE BY COMBUSTION OF SAID FUEL IN SAID COMPRESSED AIR, SAID INCREASED VOLUME OF COMPRESSED AIR WITH COMBUSTION PRODUCTS BEING CONDUCTED THROUGH SAID PIPING SYSTEM TO ALL SECTIONS OF SAID ENGINE AND ADMITTED THROUGH SAID TWOWAY VALVES TO SAID CYLINDERS DRIVING SAID PISTONS IN THEIR POWER STROKES, SAID PIPING SYSTEM FURTHER COMPRISING A COMPRESSED AIR SUCTION MANIFOLD CONNECTED TO SAID TWOWAYS VALVES IN EACH SECTION OF THE ENGINE, AN AIR BLOWER ADAPTED TO CIRCULATE SAID COMPRESSED AIR FROM SAID SUCTION MANIFOLD, BLOWING SAID COMPRESSED AIR THROUGH SAID COMBUSTOR, THENCE AS COMBUSTION PRODUCTS THROUGH A COMBUSTION PRODUCT MANIFOLD THROUGH SAID TWO-WAYS VALVES INTO SAID CYLINDERS, SAID BLOWER HAVING ALSO AN AUXILIARY OUTLET ADAPTED TO DELIVER COMPRESSED AIR AT A PRESSURE SLIGHTLY HIGHER THAN THE PRESSURE IN SAID COMBUSTION PRODUCTS MANIFOLD, SAID AUXILIARY OUTLET OF SAID BLOWER BEING CONNECTED TO AN AUXILIARY COMPRESSED AIR MANIFOLD TO WHICH IS CONNECTED, IN EACH SECTION OF THE ENGINE, A PURGING VALVE ADAPTED TO ADMIT COMPRESSED AIR TO EACH OF SAID TWO-WAY VALVE CHAMBERS, TO PURGE OUT THE COMBUSTION PRODUCTS REMAINING IN SAID VALVE CHAMBER AFTER THE PRECEDING POWER STROKE OF SAID PISTON, EACH TWO-WAY VALVE CHAMBER HAVING CONNECTED TO ITS OUTLET A COMPRESSED AIR STOP-VALVE ADAPTED TO REMAIN CLOSED DURING SAID PURGING OF SAID VALVE CHAMBER, SAID ENGINE HAVING A CAMSHAFT WITH CAMS ADAPTED TO OPEN EACH OF SAID VALVES AT THE CORRECT INSTANT, SAID VALVES BEING CLOSED BY SPRINGS, THE OPERATING MECHANISM OF EACH OF SAID PURGING VALVES BEING LOCATED IN A PLANE PERPENDICULAR TO SAID CAMSHAFT, SAID PLANE BEING SEPARATED FROM THE PLANE OF THE MECHANISM OF SAID COMPRESSED AIR STOP-VALVE IN EACH SECTION OF THE ENGINE BY AMPLE SPACE TO FACILITATE ACCURATE ADJUSTMENT OF THE TIMING OF SAID VALVES.
Claim 2
Dependent Claim
534 words
AN ENGINE OPERATED BY COMBINATION PRODUCTS, SAID ENGINE HAVING A PLURALITY OF IDENTICAL SECTIONS, EACH SECTION HAVING A CYLINDER, A PISTON THEREIN, A CRANCKSHAFT CONNECTED TO SAID PISTON, A CLYINDER-HEAD WITH VALVES THEREIN, SAID PISTON BEING ADAPTED TO MOVE FROM ITS HEAD-END TO ITS CRANK-END AND RETURN, A FUEL VAPORIZING COMBUSTOR OF LIQUID FUEL, SAID COMBUSTOR BEING CONNECTED BY A SYSTEM OF PIPING TO ALL SECTIONS OF THE ENGINE, EACH SECTION HAVING AIR-INLET VALVES ADAPTED TO ADMIT AIR THROUGH SAID CYLINDERHEAD INTO SAID CYLINDER WHEN SAID PISTON REACHES THE CRANK-END OF TIS MOTION, EXHAUST VALVES THROHGT THE WALL OF SAID CYLINDER NEAR ITS CRANK-END, ADAPTED TO DISCHARGE SAID AIR TOGETHER WITH COMBUSTION PRODUCTS TO ATMOSPHERE WHEN SAID PISTON UNCOVERS AND OPENS SAID EXHAUST VALVES, SAID CYLINDER-HEAD HAVING A TWO-WAY VALVE LOCATED IN A VALVE CHAMBER ADAPTED TO BE CLOSED AFTER ADMITTING THE REQUIRED VOLUME OF COMBUSTION PRODUCTS FORM SAID COMBUSTOR, SAID TWO-WAY VALVE REMAINING CLOSED DURING THE REMAINDER OF THE POWER STROKE OF SAID PISTON, SAID EXHUST VALVES BEING CLOSED BY SAID PISTON, THE RETURN STROKE OF THE PISTON TO ITS HEAD-END COMPRESSING SAID AIR, SAID AIR-INLET VALVES REMAINING CLOSED DURING SAID AIR COMPRESSION, SAID TWO-WAY VALVE BEING ADAPTED TO BE OPENED BY THE AIR COMPRESSED IN SAID CYLINDER, DISCHARGING SAID COMPRESSED AIR INTO SAID PIPING SYSTEM, SAID PIPING BEING ADAPTED TO CONDUCT SAID COMPRESSED AIR TO THE AIR-LET END OF SAID COMBUSTOR, SIAD COMBUSTOR BEING ADAPTED TO INCREASE THE VOLUME OF SAID COMPRESSED AIR AT CONSTANT PRESSURE BY COMBUSTION OF SAID FUEL IN SAID COMPRESSED AIR, SAID INCREASED VOLUME OF COMPRESSED AIR WITH COMBUSTION PRODUCTS BEING CONDUCTED THROUGH SAID PIPING SYSTEM TO ALL SECTIONS OF SAID ENGINE AND ADMITTED THROUGH SAID TWOWAY VALVES TO SAID CYLINDERS DRIVING SAID PISTONS IN THEIR POWER STROKES, SAID PIPING SYSTEM FURTHER COMPRISING A COMPRESSED AIR SUCTION MANIFOLD CONNECTED TO SAID TWOWAYS VALVES IN EACH SECTION OF THE ENGINE, AN AIR BLOWER ADAPTED TO CIRCULATE SAID COMPRESSED AIR FROM SAID SUCTION MANIFOLD, BLOWING SAID COMPRESSED AIR THROUGH SAID COMBUSTOR, THENCE AS COMBUSTION PRODUCTS THROUGH A COMBUSTION PRODUCT MANIFOLD THROUGH SAID TWO-WAYS VALVES INTO SAID CYLINDERS, SAID BLOWER HAVING ALSO AN AUXILIARY OUTLET ADAPTED TO DELIVER COMPRESSED AIR AT A PRESSURE SLIGHTLY HIGHER THAN THE PRESSURE IN SAID COMBUSTION PRODUCTS MANIFOLD, SAID AUXILIARY OUTLET OF SAID BLOWER BEING CONNECTED TO AN AUXILIARY COMPRESSED AIR MANIFOLD TO WHICH IS CONNECTED, IN EACH SECTION OF THE ENGINE, A PURGING VALVE ADAPTED TO ADMIT COMPRESSED AIR TO EACH OF SAID TWO-WAY VALVE CHAMBERS, TO PURGE OUT THE COMBUSTION PRODUCTS REMAINING IN SAID VALVE CHAMBER AFTER THE PRECEDING POWER STROKE OF SAID PISTON, EACH TWO-WAY VALVE CHAMBER HAVING CONNECTED TO ITS OUTLET A COMPRESSED AIR STOP-VALVE ADAPTED TO REMAIN CLOSED DURING SAID PURGING OF SAID VALVE CHAMBER, SAID ENGINE HAVING A CAMSHAFT WITH CAMS ADAPTED TO OPEN EACH OF SAID VALVES AT THE CORRECT INSTANT, SAID VALVES BEING CLOSED BY SPRINGS, THE OPERATING MECHANISM OF EACH OF SAID PURGING VALVES BEING LOCATED IN A PLANE PERPENDICULAR TO SAID CAMSHAFT, SAID PLANE BEING SEPARATED FROM THE PLANE OF THE MECHANISM OF SAID COMPRESSED AIR STOP-VALVE IN EACH SECTION OF THE ENGINE BY AMPLE SPACE TO FACILITATE ACCURATE ADJUSTMENT OF THE TIMING OF SAID VALVES.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |