US3190618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixer
Assignee: Individual
•
Filing: 1963-04-30
•
Granted: 1965-06-22
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Katzen Raphael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B01F25/43; B01F25/431; B01F25/4316; B01F25/43161; B01F25/43197; B01F25/431972; B01F25/435; B01F25/45; B01F25/452; B01F25/4521; B01F25/45211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A FLUID MIXER HAVING ELONGATED CONCENTRIC INNER AND OUTER TUBULAR MEMBER DEFINING AN ELONGATED ANNULAR MIXING SPACE THEREBETWEEN WITH MEANS AT ONE END OF SAID OUTER TUBULAR MEMBER FOR INTRODUCING A FIRST FLUID INTO SAID MIXING SPACE, DISCHARGE MEANS AT THE OPPOSITE END OF SAID OUTER TUBULAR MEMBER FOR WITHDRAWING A FLUID MIXTURE FROM SAID MIXING SPACE, AND MEANS FOR INTRODUCING A SECOND FLUID FROM SAID INNER TUBULAR MEMBER INTO SAID MIXING SPACE ADJACENT SAID ONE END OF SAID OUTER TUBULAR MEMBER WHEREBY SAID FLUIDS ARE ADAPTED TO FLOW TOGETHER THROUGH SAID MIXING SPACE TOWARDS SAID DISCHARGE MEANS; THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF INCLINED SEMI-ELLIPTICAL BAFFLES EXTENDING BETWEEN SAID TUBULAR MEMBERS WITHIN SAID MIXING SPACE, SAID BAFFLES BEING SPACED ALONG THE LENGTH OF SAID MIXING SPACE AT ALTERNATING GENERALLY OPPOSED ANGLES OF INCLINATION WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID TUBULAR MEMBERS AND BEING ORIENTED ALTERNATELY SO AS TO BLOCK DIFFERENT CIRCUMFERENTIAL HALVES OF SAID MIXING SPACE WHEREBY TO PROVIDE A TORTUOUS FLOW PATH OF SAID FLUIDS INVOLVING REPEATED IMPINGEMENT ON AND DIVERSION BY SAID BAFFLES.
Claim 2
Dependent Claim
180 words
IN A FLUID MIXER HAVING ELONGATED CONCENTRIC INNER AND OUTER TUBULAR MEMBER DEFINING AN ELONGATED ANNULAR MIXING SPACE THEREBETWEEN WITH MEANS AT ONE END OF SAID OUTER TUBULAR MEMBER FOR INTRODUCING A FIRST FLUID INTO SAID MIXING SPACE, DISCHARGE MEANS AT THE OPPOSITE END OF SAID OUTER TUBULAR MEMBER FOR WITHDRAWING A FLUID MIXTURE FROM SAID MIXING SPACE, AND MEANS FOR INTRODUCING A SECOND FLUID FROM SAID INNER TUBULAR MEMBER INTO SAID MIXING SPACE ADJACENT SAID ONE END OF SAID OUTER TUBULAR MEMBER WHEREBY SAID FLUIDS ARE ADAPTED TO FLOW TOGETHER THROUGH SAID MIXING SPACE TOWARDS SAID DISCHARGE MEANS; THE IMPROVEMENT WHICH COMPRISES A PLURALITY OF INCLINED SEMI-ELLIPTICAL BAFFLES EXTENDING BETWEEN SAID TUBULAR MEMBERS WITHIN SAID MIXING SPACE, SAID BAFFLES BEING SPACED ALONG THE LENGTH OF SAID MIXING SPACE AT ALTERNATING GENERALLY OPPOSED ANGLES OF INCLINATION WITH RESPECT TO THE LONGITUDINAL AXIS OF SAID TUBULAR MEMBERS AND BEING ORIENTED ALTERNATELY SO AS TO BLOCK DIFFERENT CIRCUMFERENTIAL HALVES OF SAID MIXING SPACE WHEREBY TO PROVIDE A TORTUOUS FLOW PATH OF SAID FLUIDS INVOLVING REPEATED IMPINGEMENT ON AND DIVERSION BY SAID BAFFLES.
References Cited (Backward Citations)
DE576211C
Cited
US2784948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |