US3238930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excess air cycle engine
Assignee: Individual
•
Filing: 1963-05-06
•
Granted: 1966-03-08
•
Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Seggern Ernest A Von
- 👤 Seggern Henry E Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:21
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/10; F02B19/1019; F02B19/108; F02B19/1085; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN THE OPERATION OF AN INTERNAL COMBUSTION ENGINE OF THE TYPE HAVING A COMBUSTION CHAMBER AND AN INTAKE VALVE AND EMPLOYING TWO DISTINCT TYPES OF FUEL-AIR MIXTURE IN SAID COMBUSTION CHAMBER, THE METHOD OF FORMING SAID DISTINCT FUEL MIXTURES FROM FUEL SUPPLY MEANS OUTSIDE OF SAID COMBUSTION CHAMBER, WHICH INCLUDES AS STEPS: INTRODUCING ONE DISTINCT FUEL-AIR MIXTURE INTO SAID COMBUSTION CHAMBER AS A PRE-MIXED MIXTURE THROUGH SAID INTAKE VALVE, INTRODUCING UNMIXED LIQUID FUEL THROUGH SAID INTAKE VALVE INTO SAID COMBUSTION CHAMBER, AND COMBINING SAID UNMIXED LIQUID FUEL WITH A PORTION OF SAID PRE-MIXED FUEL-AIR MIXTURE INSIDE SAID COMBUSTION CHAMBER TO FORM SAID SECOND DISTINCT FUEL-AIR MIXTURE.
Claim 2
Dependent Claim
106 words
IN THE OPERATION OF AN INTERNAL COMBUSTION ENGINE OF THE TYPE HAVING A COMBUSTION CHAMBER AND AN INTAKE VALVE AND EMPLOYING TWO DISTINCT TYPES OF FUEL-AIR MIXTURE IN SAID COMBUSTION CHAMBER, THE METHOD OF FORMING SAID DISTINCT FUEL MIXTURES FROM FUEL SUPPLY MEANS OUTSIDE OF SAID COMBUSTION CHAMBER, WHICH INCLUDES AS STEPS: INTRODUCING ONE DISTINCT FUEL-AIR MIXTURE INTO SAID COMBUSTION CHAMBER AS A PRE-MIXED MIXTURE THROUGH SAID INTAKE VALVE, INTRODUCING UNMIXED LIQUID FUEL THROUGH SAID INTAKE VALVE INTO SAID COMBUSTION CHAMBER, AND COMBINING SAID UNMIXED LIQUID FUEL WITH A PORTION OF SAID PRE-MIXED FUEL-AIR MIXTURE INSIDE SAID COMBUSTION CHAMBER TO FORM SAID SECOND DISTINCT FUEL-AIR MIXTURE.
References Cited (Backward Citations)
US1802848A
Cited
DE655262C
Cited
FR892828A
Cited
US2753852A
Cited
GB735230A
Cited
US2690741A
Cited
US2803230A
Cited
US2793628A
Cited
US2808036A
Cited
US2808037A
Cited
FR1265070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |