US3292999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystallizer with baffled recirculation flow
Assignee: Chicago Bridge and Iron Co
•
Filing: 1963-04-29
•
Granted: 1966-12-20
•
Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Anthony N Chirico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:26
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/08; C01B35/10; B; B01; B01D; B01D9/00; B01D9/0004; B01D9/0009; B01D9/0018; B01D9/0022; B01D9/0036; C01B35/06; C01B35/12; B01J; B01J2219/00; B01J2219/19; B01J2219/194; B01J2219/1941; B01J2219/1942; Y; Y10; Y10S; Y10S159/00; Y10S159/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A CRYSTALLIZER COMPRISING: (A) A VESSEL FOR CONTAINING A SOLUTION OF A SOLUTE TO BE CRYSTALLIZED THEREFROM; (B) AN OPEN-ENDED TUBULAR MEMBER DISPOSED VERTICALLY IN SAID VESSEL; (C) A PLURALITY OF VERTICAL PLATE MEMBERS DISPOSED IN THE BOTTOM PORTION OF SAID VESSEL BENEATH THE TUBULAR MEMBER AND EXTENDING OUTWARDLY BEYOND THE EDGES OF SAID TUBULAR MEMBER, SAID VERTICAL PLATE MEMBERS HAVING AN OBTUSE BEND ALONG THE HORIZONTAL PLANE AND OUTER EDGES SPACED FROM THE VESSEL WALLS; (D) MEANS FOR INDUCING FLUID FLOW OF SOLUTION DOWNWARDLY THROUGH SAID TUBULAR MEMBER AND OUTWARDLY AGAINST SAID BENT VERTICAL PLATE TO CAUSE SWIRLING OF SOLUTION IN AN UPWARD DIRECTION AROUND THE TUBULAR MEMBER; (E) A FEED INLET FOR SAID VESSEL POSITIONED ADJACENT THE BOTTOM OF SAID TUBULAR MEMBER AND NORADIALLY ORIENTED WITH RESPECT TO SAID VESSEL TO DIRECT A FEED STREAM IN THE SAME ROTATING DIRECTION AROUND THE TUBULAR MEMBER AS SOLUTION DIRECTED OUTWARDLY BY THE BENT VERTICAL PLATES; (F) A MAGMA OUTLET IN THE BOTTOM PORTION OF SAID VESSEL; AND (F) A LIQUOR OUTLET IN A LIQUID ZONE OF THE VESSEL,
Claim 2
Dependent Claim
178 words
A CRYSTALLIZER COMPRISING: (A) A VESSEL FOR CONTAINING A SOLUTION OF A SOLUTE TO BE CRYSTALLIZED THEREFROM; (B) AN OPEN-ENDED TUBULAR MEMBER DISPOSED VERTICALLY IN SAID VESSEL; (C) A PLURALITY OF VERTICAL PLATE MEMBERS DISPOSED IN THE BOTTOM PORTION OF SAID VESSEL BENEATH THE TUBULAR MEMBER AND EXTENDING OUTWARDLY BEYOND THE EDGES OF SAID TUBULAR MEMBER, SAID VERTICAL PLATE MEMBERS HAVING AN OBTUSE BEND ALONG THE HORIZONTAL PLANE AND OUTER EDGES SPACED FROM THE VESSEL WALLS; (D) MEANS FOR INDUCING FLUID FLOW OF SOLUTION DOWNWARDLY THROUGH SAID TUBULAR MEMBER AND OUTWARDLY AGAINST SAID BENT VERTICAL PLATE TO CAUSE SWIRLING OF SOLUTION IN AN UPWARD DIRECTION AROUND THE TUBULAR MEMBER; (E) A FEED INLET FOR SAID VESSEL POSITIONED ADJACENT THE BOTTOM OF SAID TUBULAR MEMBER AND NORADIALLY ORIENTED WITH RESPECT TO SAID VESSEL TO DIRECT A FEED STREAM IN THE SAME ROTATING DIRECTION AROUND THE TUBULAR MEMBER AS SOLUTION DIRECTED OUTWARDLY BY THE BENT VERTICAL PLATES; (F) A MAGMA OUTLET IN THE BOTTOM PORTION OF SAID VESSEL; AND (F) A LIQUOR OUTLET IN A LIQUID ZONE OF THE VESSEL,
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |