Patent US3252689A successfully refreshed from Google Patents.
US3252689A
Expired / Lapsed
US
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Method and apparatus for mixing and distributing liquids
Assignee: Diamond Shamrock Corp
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Filing: 1964-06-10
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Granted: 1966-05-24
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Sr Oscar C Blomgren
- 👤 Jr Oscar C Blomgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:21
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/75; B01F27/00; B01F27/80; B01F27/85; B01F27/90; B01F27/91; B01F33/00; B01F33/80; B01F33/82; B01F33/821; B01F33/8212; B01F35/754; B01F35/7547; B01F35/75471; B01F23/00; B01F23/40; B01F23/41; B01F23/50; B01F23/56; B01F27/05; B01F27/11; B01F27/112; B01F27/1125; B01F27/113; B01F27/19; B01F27/192; B01F27/21; B01F27/2122; B01F35/50; B01F35/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A LIQUID MIXING AND DISTRIBUTING DEVICE, THE COMBINATION COMPRISING: A HOUSING: A CIRCULAR MIXING CHAMBER IN SAID HOUSING, WHICH CHAMBER INCLUDES LIQUID EXHAUST MEANS AT THE TOP THEREOF AND IS INCLOSED AT THE BOTTOM THEREOF; INLET MEANS COUPLED TO SAID CHAMBER; SHAFT MEANS POSITIONED IN SAID CHAMBER AND MEANS ROTATABLY MOUNTING SAID SHAFT MEANS; FIRST IMPELLER MEANS ON SAID MEANS AND POSITIONED ADJACENT AT LEAST ONE OF SAID INLET MEANS; SECOND IMPELLER MEANS MOUNTED ON SAID SHAFT MEANS ABOVE SAID FIRST IMPELLER MEANS AND HAVING A PITCH IN THE DIRECTION OPPOSITE TO THAT OF SAID FIRST IMPELLER MEANS; THIRD IMPELLER MEANS MOUNTED ABOVE SAID SECOND IMPELLER MEANS ON SAID SHAFT MEANS AND HAVING A PITCH IN THE SAME DIRECTION AS SAID FIRST IMPELLER MEANS; AND VARIABLE VISCOSITY CONTROL MEANS FOR AUTOMATICALLY CONTROLLING THE VISCOSITY OF THE MIXTURE IN SAID CHAMBER, SAID VARIABLE VISCOSITY MEANS INCLUDING SAID FIRSTMENTIONED IMPELLER MEANS AND MEANS FOR CONTROLLING THE FLOW RATE THROUGH ONE OF SAID INLET MEANS, SAID LAST-MENTIONED MEANS BEING COUPLED TO SAID FIRST IMPELLER MEANS.
Claim 2
Dependent Claim
173 words
IN A LIQUID MIXING AND DISTRIBUTING DEVICE, THE COMBINATION COMPRISING: A HOUSING: A CIRCULAR MIXING CHAMBER IN SAID HOUSING, WHICH CHAMBER INCLUDES LIQUID EXHAUST MEANS AT THE TOP THEREOF AND IS INCLOSED AT THE BOTTOM THEREOF; INLET MEANS COUPLED TO SAID CHAMBER; SHAFT MEANS POSITIONED IN SAID CHAMBER AND MEANS ROTATABLY MOUNTING SAID SHAFT MEANS; FIRST IMPELLER MEANS ON SAID MEANS AND POSITIONED ADJACENT AT LEAST ONE OF SAID INLET MEANS; SECOND IMPELLER MEANS MOUNTED ON SAID SHAFT MEANS ABOVE SAID FIRST IMPELLER MEANS AND HAVING A PITCH IN THE DIRECTION OPPOSITE TO THAT OF SAID FIRST IMPELLER MEANS; THIRD IMPELLER MEANS MOUNTED ABOVE SAID SECOND IMPELLER MEANS ON SAID SHAFT MEANS AND HAVING A PITCH IN THE SAME DIRECTION AS SAID FIRST IMPELLER MEANS; AND VARIABLE VISCOSITY CONTROL MEANS FOR AUTOMATICALLY CONTROLLING THE VISCOSITY OF THE MIXTURE IN SAID CHAMBER, SAID VARIABLE VISCOSITY MEANS INCLUDING SAID FIRSTMENTIONED IMPELLER MEANS AND MEANS FOR CONTROLLING THE FLOW RATE THROUGH ONE OF SAID INLET MEANS, SAID LAST-MENTIONED MEANS BEING COUPLED TO SAID FIRST IMPELLER MEANS.
References Cited (Backward Citations)
FR420931A
Cited
US2660190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |