Patent US3228661A successfully refreshed from Google Patents.
US3228661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swirl generator
Assignee: Individual
•
Filing: 1964-01-21
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Granted: 1966-01-11
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 William G Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:05
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/438
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A DEVICE FOR PRODUCING A SWIRLING JET OF FLUID COMPRISING, A BODY MEMBER HAVING A FIRST ANNULAR SECTION WITH A FIRST INNER DIAMETER, A SECOND ANNULAR SECTION WITH A SECOND SMALLER INNER DIAMETER AND A THIRD TAPERED SECTION INTERCONNECTING SAID FIRST SECTION AND SAID SECOND SECTION; MEANS FOR SUPPLYING A FLUID MEDIUM TO ONE END OF SAID BODY MEMBER ADJACENT SAID FIRST SECTION; A CORE MEMBER WITHIN SAID BODY ADJACENT SAID FIRST AND THIRD SECTIONS THEREOF; SAID CORE BEING SECURED TO SAID BODY MEMBER AT A PLURALITY OF ANNULARLY SPACED POSITIONS; MEANS ON SAID CORE MEMBER ADJACENT SAID FLUID SUPPLY MEANS FOR TURING SAID FLUID MEDIUM AWAY FROM THE AXIS OF SAID ANNULAR MEMBER; SAID CORE MEMBER HAVING MEANS ADJACENT SAID THIRD SECTION OF SAID BODY MEMBER FOR PROVIDING A SUBSTANTIALLY CONSTANT CROSS-SECTIONAL AREA SPACE BETWEEN SAID BODY MEMBER AND SAID CORE MEMBER IN THE REGION OF SAID THIRD SECTION; SAID CORE MEMBER HAVING A CENTRAL PORTION OF CONSTANT DIAMETER TO THEREBY PROVIDE A NARROW ANNULAR PASSAGE WITHIN SAID BODY MEMBER AND MEANS FOR ROTATING SAID BODY MEMBER AND SAID CORE MEMBER WITH THE SAME VELOCITY AND IN THE SAME DIRECTION TO THEREBY IMPART AN ANGUALR VELOCITY TO SAID FLUID MEDIUM.
Claim 2
Independent Claim
201 words
A DEVICE FOR PRODUCING A SWIRLING JET OF FLUID COMPRISING, A BODY MEMBER HAVING A FIRST ANNULAR SECTION WITH A FIRST INNER DIAMETER, A SECOND ANNULAR SECTION WITH A SECOND SMALLER INNER DIAMETER AND A THIRD TAPERED SECTION INTERCONNECTING SAID FIRST SECTION AND SAID SECOND SECTION; MEANS FOR SUPPLYING A FLUID MEDIUM TO ONE END OF SAID BODY MEMBER ADJACENT SAID FIRST SECTION; A CORE MEMBER WITHIN SAID BODY ADJACENT SAID FIRST AND THIRD SECTIONS THEREOF; SAID CORE BEING SECURED TO SAID BODY MEMBER AT A PLURALITY OF ANNULARLY SPACED POSITIONS; MEANS ON SAID CORE MEMBER ADJACENT SAID FLUID SUPPLY MEANS FOR TURING SAID FLUID MEDIUM AWAY FROM THE AXIS OF SAID ANNULAR MEMBER; SAID CORE MEMBER HAVING MEANS ADJACENT SAID THIRD SECTION OF SAID BODY MEMBER FOR PROVIDING A SUBSTANTIALLY CONSTANT CROSS-SECTIONAL AREA SPACE BETWEEN SAID BODY MEMBER AND SAID CORE MEMBER IN THE REGION OF SAID THIRD SECTION; SAID CORE MEMBER HAVING A CENTRAL PORTION OF CONSTANT DIAMETER TO THEREBY PROVIDE A NARROW ANNULAR PASSAGE WITHIN SAID BODY MEMBER AND MEANS FOR ROTATING SAID BODY MEMBER AND SAID CORE MEMBER WITH THE SAME VELOCITY AND IN THE SAME DIRECTION TO THEREBY IMPART AN ANGUALR VELOCITY TO SAID FLUID MEDIUM.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |