US3078047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low pressure atomizer nozzle for oil burners
Assignee: Individual
•
Filing: 1957-01-02
•
Granted: 1963-02-19
•
Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 Encmark Arne Fromm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A LOW PRESSURE ATOMIZER NOZZLE FOR OIL BURNERS COMPRISING A HOLLOW HOUSING DEFINING AN INTERIOR CAVITY AND HAVING A FORWARD WALL PROVIDED WITH A CENTRAL DISCHARGE OPENING, A CENTRAL OIL FEED-PIPE ELEMENT DISPOSED AT LEAST PARTIALLY IN SAID CAVITY AND PROVIDED WITH MEANS DEFINING PRIMARY AIR FEED PASSAGE SURROUNDING SAID ELEMENT AND COMMUNICATING WITH THE PORTION OF SAID CAVITY BETWEEN SAID ELEMENT AND SAID FORWARD WALL FOR THE PASSAGE OF AIR UNDER PRESSURE INTO SAID CAVITY PORTION, AN ATOMIZER HEAD IN SAID CAVITY ADJACENT SAID FORWARD WALL AND DISPOSED TO RECEIVE OIL FEED INTERIORLY FROM THE INTERIOR OF SAID ELEMENT, SAID ATOMIZER HEAD BEING FORMED WITH FEED OPENINGS FOR PASSAGE OF OIL THERETHROUGH AND TANGENTIALLYDISPOSED GUIDING PASSAGES COMMUNICATING WITH SAID FEED OPENINGS, AND A POROUS CHANNEL-FORMING MEMBER DISPOSED BETWEEN SAID FEED-PIPE ELEMENT AND SAID ATOMIZER HEAD, SAID BODY BEING COAXIAL WITH THE AXIS OF THE NOZZLE AND BEING FORMED FROM A MATERIAL WHICH IS PERMEABLE TO THE PRIMARY AIR IN SAID PRESSURE CHAMBER TO DEFINE A CON-
Claim 2
Dependent Claim
167 words
A LOW PRESSURE ATOMIZER NOZZLE FOR OIL BURNERS COMPRISING A HOLLOW HOUSING DEFINING AN INTERIOR CAVITY AND HAVING A FORWARD WALL PROVIDED WITH A CENTRAL DISCHARGE OPENING, A CENTRAL OIL FEED-PIPE ELEMENT DISPOSED AT LEAST PARTIALLY IN SAID CAVITY AND PROVIDED WITH MEANS DEFINING PRIMARY AIR FEED PASSAGE SURROUNDING SAID ELEMENT AND COMMUNICATING WITH THE PORTION OF SAID CAVITY BETWEEN SAID ELEMENT AND SAID FORWARD WALL FOR THE PASSAGE OF AIR UNDER PRESSURE INTO SAID CAVITY PORTION, AN ATOMIZER HEAD IN SAID CAVITY ADJACENT SAID FORWARD WALL AND DISPOSED TO RECEIVE OIL FEED INTERIORLY FROM THE INTERIOR OF SAID ELEMENT, SAID ATOMIZER HEAD BEING FORMED WITH FEED OPENINGS FOR PASSAGE OF OIL THERETHROUGH AND TANGENTIALLYDISPOSED GUIDING PASSAGES COMMUNICATING WITH SAID FEED OPENINGS, AND A POROUS CHANNEL-FORMING MEMBER DISPOSED BETWEEN SAID FEED-PIPE ELEMENT AND SAID ATOMIZER HEAD, SAID BODY BEING COAXIAL WITH THE AXIS OF THE NOZZLE AND BEING FORMED FROM A MATERIAL WHICH IS PERMEABLE TO THE PRIMARY AIR IN SAID PRESSURE CHAMBER TO DEFINE A CON-
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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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |