US3153323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion apparatus
Assignee: Individual
•
Filing: 1954-03-31
•
Granted: 1964-10-20
•
Expires: 1974-03-31
Abstract
No abstract record available.
Inventors
- 👤 James R Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:18
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; F23R3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
COMBUSTION APPARATUS COMPRISING COAXIALLY SPACED CASING AND CORE STRUCTURE FORMING AN ANNULAR AIR SUPPLY PASSAGE, FIRST WALL STRUCTURE MOUNTED WITHIN SAID ANNULAR PASSAGE AND PROVIDING A COMBUSTION CHAMBER, SECOND WALL STRUCTURE DISPOSED WITHIN SAID FIRST WALL STRUCTURE AND PROVIDING A PLURALITY OF FUEL VAPORIZING CHAMBERS, SAID VAPORIZING CHAMBERS BEING DISPOSED UPSTREAM OF SAID COMBUSTION CHAMBER AND IN COMMUNICATION THEREWITH, MEANS FOR ADMITTING FUEL TO SAID VAPORIZING CHAMBERS, MEANS INCLUDING AN OPENING FOR ADMITTING PRIMARY AIR TO EACH OF SAID VAPORIZING CHAMBERS, SAID SECOND WALL STRUCTURE FURTHER DEFINING, AT LEAST PARTIALLY, A RECIRCULATION PASSAGE EXTENDING FROM SAID COMBUSTION CHAMBER TO SAID PRIMARY AIR ADMITTING MEANS, SAID PRIMARY AIR ADMITTING MEANS FURTHER INCLUDING AN AIR EJECTOR STRUCTURE ADJACENT AT LEAST ONE SAID OPENING, WHEREBY A REDUCED PRESSURE IS ADAPTED TO BE CREATED IN SAID RECIRCULATION PASSAGE FOR DRAWING HOT PRODUCTS OF COMBUSTION THERETHROUGH AND INTO SAID VAPORIZING CHAMBERS.
Claim 2
Dependent Claim
146 words
COMBUSTION APPARATUS COMPRISING COAXIALLY SPACED CASING AND CORE STRUCTURE FORMING AN ANNULAR AIR SUPPLY PASSAGE, FIRST WALL STRUCTURE MOUNTED WITHIN SAID ANNULAR PASSAGE AND PROVIDING A COMBUSTION CHAMBER, SECOND WALL STRUCTURE DISPOSED WITHIN SAID FIRST WALL STRUCTURE AND PROVIDING A PLURALITY OF FUEL VAPORIZING CHAMBERS, SAID VAPORIZING CHAMBERS BEING DISPOSED UPSTREAM OF SAID COMBUSTION CHAMBER AND IN COMMUNICATION THEREWITH, MEANS FOR ADMITTING FUEL TO SAID VAPORIZING CHAMBERS, MEANS INCLUDING AN OPENING FOR ADMITTING PRIMARY AIR TO EACH OF SAID VAPORIZING CHAMBERS, SAID SECOND WALL STRUCTURE FURTHER DEFINING, AT LEAST PARTIALLY, A RECIRCULATION PASSAGE EXTENDING FROM SAID COMBUSTION CHAMBER TO SAID PRIMARY AIR ADMITTING MEANS, SAID PRIMARY AIR ADMITTING MEANS FURTHER INCLUDING AN AIR EJECTOR STRUCTURE ADJACENT AT LEAST ONE SAID OPENING, WHEREBY A REDUCED PRESSURE IS ADAPTED TO BE CREATED IN SAID RECIRCULATION PASSAGE FOR DRAWING HOT PRODUCTS OF COMBUSTION THERETHROUGH AND INTO SAID VAPORIZING CHAMBERS.
References Cited (Backward Citations)
US2628475A
Cited
US2635426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |