US3217780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for injecting liquid fuel
Assignee: Fetok GmbH
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Filing: 1962-03-07
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Granted: 1965-11-16
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gottfried Cremer
- 👤 Heinz Behrens
- 👤 Walter Storbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
F; F27; F27D; F27D99/00; F27D99/0001; F27D99/0005; F23; F23D; F23D11/00; F23D11/24; F23D11/26; F23D11/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
168 words
APPARATUS FOR INJECTING LIQUID FUEL INTO A FURNACE FOR COMBUSTION THEREIN COMPRISING: A HOLLOW BODY CLOSED AT ONE END AND HAVING AN ORIFICE IN THE OTHER END COMMUNICATING WITH A FURNACE; A TRANSVERSE PARTITION DIVIDING SAID BODY INTO A FIRST AND A SECOND COMPARTMENT, SAID FIRST COMPARTMENT INCLUDING THE CLOSED END OF THE BODY AND THE SECOND COMPARTMENT INCLUDING THE ORIFICE; MEANS PROVIDING A HOLLOW NEEDLE DUCT HAVING A SPRAY INDUCING MEANS AT ONE END THEREOF, SAID NEEDLE DUCT MEANS TRANSVERSING THE FIRST COMPARTMENT OF SAID BODY AND EXTENDING THROUGH SAID PARTITION INTO THE SECOND COMPARTMENT OF SAID BODY, SAID NEEDLE DUCT MEANS BEING MOVABLE TO BRING THE SPRAY INDUCING MEANS AT ONE END THEREOF INTO AND OUT OF OBTURATING RELATION WITH THE ORIFICE IN THE SECOND COMPARTMENT, SAID NEEDLE DUCT MEANS HAVING AN ENLARGED EXTENDED SURFACE PORTION ON THE END PORTION THEREOF ADJACENT THE SPRAY INCLUDING MEANS AND DISPOSED IN THE SECOND COMPARTMENT WHEREBY WHEN THE ENLARGED EXTENDED SURFACE PORTION IS EXPOSED TO FLUID PRESSURE IN THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |