US3246883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing method and apparatus
Assignee: Ashbrook Corp
•
Filing: 1963-01-02
•
Granted: 1966-04-19
•
Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Clifford L Ashbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:11
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/10; B01F25/103; B01F25/20; B01F25/25; B01F33/00; B01F33/80; B01F33/82; B01F33/821; B01F35/00; B01F35/71; B01F35/712; B01F35/717; B01F35/718; B01F35/71805; B01F35/71825; B01F2025/91; B01F2025/919; B01F2025/9191; B01F2101/00; B01F2101/28; B01F23/00; B01F23/50; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
THE METHOD OF MIXING A PARTICULATE SOLID AND A FLUID TO FORM A SUBSTANTIALLY HOMOGENEOUS MIXTURE WHICH COMPRISES THE STEPS OF: MAINTAINING A CONTINUOUSLY ADVANCING HOLLOW CYLINDRICAL BODY OF FLUID ROTATING RAPIDLY ABOUT AN AXIS TO PRODUCE A CENTRAL VORTEX BY CONTINUOUSLY INTRODUCING A STREAM OF FLUID TO SAID BODY TANGENTIALLY THEREOF, INTRODUCING A PARTICULATE SOLID TO SAID VORTEX AT THE INLET END THEREOF INTO CONTACT WITH THE INNER WALLS OF SAID ROTATING HOLLOW CYLINDRICAL BODY OF FLUID AND ADVANCING IT THEREWITH, AND HOMOGENEOUSLY MIXING SAID SOLID AND FLUID BY SHARPLY DIVERTING THE DIRECTION OF ADVANCE OF THE ENTIRE MASS OF SAID ROTATING BODY OF FLUID AND SAID PARTICULATE SOLID AT A POINT SPACED FROM THE POINT OF INTRODUCTION OF SAID PARTICULATE SOLID TO SAID VORTEX BY ESTABLISHING AN OUTER ROTATING BODY OF SAID FLUID AND SOLID IN A HELICAL PATH AND ADVANCING IT IN THE OPPOSITE DIRECTION FROM SAID INNER ADVANCING BODY.
Claim 2
Independent Claim
153 words
THE METHOD OF MIXING A PARTICULATE SOLID AND A FLUID TO FORM A SUBSTANTIALLY HOMOGENEOUS MIXTURE WHICH COMPRISES THE STEPS OF: MAINTAINING A CONTINUOUSLY ADVANCING HOLLOW CYLINDRICAL BODY OF FLUID ROTATING RAPIDLY ABOUT AN AXIS TO PRODUCE A CENTRAL VORTEX BY CONTINUOUSLY INTRODUCING A STREAM OF FLUID TO SAID BODY TANGENTIALLY THEREOF, INTRODUCING A PARTICULATE SOLID TO SAID VORTEX AT THE INLET END THEREOF INTO CONTACT WITH THE INNER WALLS OF SAID ROTATING HOLLOW CYLINDRICAL BODY OF FLUID AND ADVANCING IT THEREWITH, AND HOMOGENEOUSLY MIXING SAID SOLID AND FLUID BY SHARPLY DIVERTING THE DIRECTION OF ADVANCE OF THE ENTIRE MASS OF SAID ROTATING BODY OF FLUID AND SAID PARTICULATE SOLID AT A POINT SPACED FROM THE POINT OF INTRODUCTION OF SAID PARTICULATE SOLID TO SAID VORTEX BY ESTABLISHING AN OUTER ROTATING BODY OF SAID FLUID AND SOLID IN A HELICAL PATH AND ADVANCING IT IN THE OPPOSITE DIRECTION FROM SAID INNER ADVANCING BODY.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |