US2855283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for charging a mixture of air and fuel into the intake pipe of an internal combustion engine
Assignee: Individual
•
Filing: 1956-01-13
•
Granted: 1958-10-07
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 John N Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:09
CPC Classifications
F; F02; F02M; F02M69/00; F02M2700/00; F02M2700/43; F02M2700/4397
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A SYSTEM FOR CHARGING A MIXTURE OF AIR AND FUEL INTO THE INTAKE PIPE OF AN INTERNAL COMBUSTION ENGINE COMPRISING MEANS FOR PROVIDING AN AIR INLET PASSAGEWAY LEADING TO THE INTAKE PIPE OF THE ENGINE, MEANS FOR MAINTAINING A FUEL IN THE LIQUID STATE UNDER PRESSURE, A THROTTLE VALVE ARRANGED IN SAID PASSAGEWAU, A VALVE CASING ARRANGED WITHIN SAID AIR INLET PASSAGEWAY BETWEEN THE THROTTLE VALVE AND THE INTAKE PIPE OF ENGINE, SAID VALVE CASING BEING IN COMMUNICATION WITH SAID FUEL AND HAVING AN OUTLET ORIFICE THROUG WHICH THE FUEL MAY BE INJECTED INTO SAID PASSAGEWAY, A VALVE PART FOR CLOSING THE OUTLET ORIFICE OF SAID CASING, MEANS FOR NORMALLY URGING SAID VALVE PART TO ITS OPEN POSITION, MEANS FOR APPLYING PRESSURE UPON SAID VALVE PART TO SUBSTANTIALLY CLOSE THE OUTLET ORIFICE OF THE
Claim 2
Independent Claim
134 words
A SYSTEM FOR CHARGING A MIXTURE OF AIR AND FUEL INTO THE INTAKE PIPE OF AN INTERNAL COMBUSTION ENGINE COMPRISING MEANS FOR PROVIDING AN AIR INLET PASSAGEWAY LEADING TO THE INTAKE PIPE OF THE ENGINE, MEANS FOR MAINTAINING A FUEL IN THE LIQUID STATE UNDER PRESSURE, A THROTTLE VALVE ARRANGED IN SAID PASSAGEWAU, A VALVE CASING ARRANGED WITHIN SAID AIR INLET PASSAGEWAY BETWEEN THE THROTTLE VALVE AND THE INTAKE PIPE OF ENGINE, SAID VALVE CASING BEING IN COMMUNICATION WITH SAID FUEL AND HAVING AN OUTLET ORIFICE THROUG WHICH THE FUEL MAY BE INJECTED INTO SAID PASSAGEWAY, A VALVE PART FOR CLOSING THE OUTLET ORIFICE OF SAID CASING, MEANS FOR NORMALLY URGING SAID VALVE PART TO ITS OPEN POSITION, MEANS FOR APPLYING PRESSURE UPON SAID VALVE PART TO SUBSTANTIALLY CLOSE THE OUTLET ORIFICE OF THE
References Cited (Backward Citations)
US1564039A
Cited
US1869821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |