US3282297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid channel divider
Assignee: Unisys Corp
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Filing: 1964-07-30
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Granted: 1966-11-01
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Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 Bauer Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:31
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/8593
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
A FLUID CHANNEL DIVIDER WHICH COMPRISES: (A) AN ENTRANCE FLUID CHANNEL WITH AN INPUT FLOW AREA AT ONE END FOR RECEIVING A FLUID STREAM, A SLIGHTLY SMALLER OUTPUT FLOW AREA AT ITS OPPOSITE END, AND A WALL SURFACE THEREBETWEEN WITHOUT ABRUPT CHANGES IN CONTOUR SO AS TO INSURE FULL CHANNEL FLOW THROUGHOUT ITS LENGTH; (B) SHARP DIVIDER TIP MEANS LOCATED AT SAID ENTRANCE CHANNEL OPPOSITE END AND FACING UPSTREAM FOR DIVIDING SAID ENTRANCE CHANNEL OUTPUT FLOW AREA INTO A PLURAL NUMBER N OF SMALLER OUTPUT FLOW AREAS; AND (C) A PLURAL NUMBER N OF EXIT FLUID CHANNELS WITHOUT ABRUPT CHANGES IN WALL CONTOUR, EAHC HAVING ONE END THEROF SMOOTHLY AND UNABRUPTLY JOINED BOTH TO SAID ENTRANCE CHANNEL OPPOSITE END AND TO SAID DIVIDER TIP MEANS SUCH THAT EACH EXIT CHANNEL INPUT FLOW AREA IS COEXTENSIVE WITH A DIFFERENT ONE OF THE SAID ENTRANCE CHANNEL SMALLER OUTPUT FLOW AREAS, AND WHEREIN A CRITICAL REGION, IN WHICH FLUID TENDS TO SEPARATE FROM CHANNEL WALLS, EXTENDS IMMEDIATELY UPSTREAM AND DOWNSTREAM FROM SAID DIVIDER TIP MEANS; WITH EACH EXIT FLUID CHANNEL FURTHER COMMENCING, AT A FIRST POINT DOWNSTREAM AND SPACED APART FROM SAID CRITICAL REGION, TO GRADUALLY DIVERGE FROM A FLOW AREA EQUAL TO ITS OWN SAID INPUT FLOW AREA TOWARDS A LARGER OUTPUT FLOW AREA AT ITS OPPOSITE END.
Claim 2
Dependent Claim
216 words
A FLUID CHANNEL DIVIDER WHICH COMPRISES: (A) AN ENTRANCE FLUID CHANNEL WITH AN INPUT FLOW AREA AT ONE END FOR RECEIVING A FLUID STREAM, A SLIGHTLY SMALLER OUTPUT FLOW AREA AT ITS OPPOSITE END, AND A WALL SURFACE THEREBETWEEN WITHOUT ABRUPT CHANGES IN CONTOUR SO AS TO INSURE FULL CHANNEL FLOW THROUGHOUT ITS LENGTH; (B) SHARP DIVIDER TIP MEANS LOCATED AT SAID ENTRANCE CHANNEL OPPOSITE END AND FACING UPSTREAM FOR DIVIDING SAID ENTRANCE CHANNEL OUTPUT FLOW AREA INTO A PLURAL NUMBER N OF SMALLER OUTPUT FLOW AREAS; AND (C) A PLURAL NUMBER N OF EXIT FLUID CHANNELS WITHOUT ABRUPT CHANGES IN WALL CONTOUR, EAHC HAVING ONE END THEROF SMOOTHLY AND UNABRUPTLY JOINED BOTH TO SAID ENTRANCE CHANNEL OPPOSITE END AND TO SAID DIVIDER TIP MEANS SUCH THAT EACH EXIT CHANNEL INPUT FLOW AREA IS COEXTENSIVE WITH A DIFFERENT ONE OF THE SAID ENTRANCE CHANNEL SMALLER OUTPUT FLOW AREAS, AND WHEREIN A CRITICAL REGION, IN WHICH FLUID TENDS TO SEPARATE FROM CHANNEL WALLS, EXTENDS IMMEDIATELY UPSTREAM AND DOWNSTREAM FROM SAID DIVIDER TIP MEANS; WITH EACH EXIT FLUID CHANNEL FURTHER COMMENCING, AT A FIRST POINT DOWNSTREAM AND SPACED APART FROM SAID CRITICAL REGION, TO GRADUALLY DIVERGE FROM A FLOW AREA EQUAL TO ITS OWN SAID INPUT FLOW AREA TOWARDS A LARGER OUTPUT FLOW AREA AT ITS OPPOSITE END.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |