US3216455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High performance fluidynamic component
Assignee: General Electric Co
•
Filing: 1961-12-05
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Granted: 1965-11-09
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Expires: 1981-12-05
Abstract
No abstract record available.
Inventors
- 👤 William G Cornell
- 👤 Colon Ramon Edward
- 👤 Friedrich S Weinig
- 👤 Shattuck Bernard Freshney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:12
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/06; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/522; F04D29/66; F04D29/68; F04D29/681; F04D29/682; Y; Y10; Y10S; Y10S415/00; Y10S415/914; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A FLUIDYNAMIC DIFFUSER FOR A FLOWING FLUID COMPRISING: A WALLED PASSAGE CONFINING THE MOVING FLUID, SAID PASSAGE INCREASING IN FLOW CROSS-SECTION FROM AN UPSTREAM PORTION THROUGH A CONVEX CURVED WALL TRANSITION POSITION HAVING AT LEAST ONE LOBE TO A CONNECTED LARGER STRAIGHT WALL DOWNSTREAM PORTION, BLEED DUCT MEANS IN SAID FORMING AN INTEGRAL PART OF THE TRANSISTION PORTION FOR REMOVING A PREDETERMINED AMOUNT OF FLUID THERETHROUGH, SAID WALL PORTION, HAVING SAID LOBE, MERGING IN A SMOOTH CURVED FROM THE UPSTREAM PORTION INTO SAID BLEED DUCT MEANS, AND ALL SURFACES IN CONTACT WITH SAID FLUID BEING FORMED SO AS TO HAVE SUBSTANTIALLY NOT LESS THAN CONSTANT FLUID VELOCITY AT THE EDGE OF THE FLUID BOUNDARY LAYER.
Claim 2
Dependent Claim
115 words
A FLUIDYNAMIC DIFFUSER FOR A FLOWING FLUID COMPRISING: A WALLED PASSAGE CONFINING THE MOVING FLUID, SAID PASSAGE INCREASING IN FLOW CROSS-SECTION FROM AN UPSTREAM PORTION THROUGH A CONVEX CURVED WALL TRANSITION POSITION HAVING AT LEAST ONE LOBE TO A CONNECTED LARGER STRAIGHT WALL DOWNSTREAM PORTION, BLEED DUCT MEANS IN SAID FORMING AN INTEGRAL PART OF THE TRANSISTION PORTION FOR REMOVING A PREDETERMINED AMOUNT OF FLUID THERETHROUGH, SAID WALL PORTION, HAVING SAID LOBE, MERGING IN A SMOOTH CURVED FROM THE UPSTREAM PORTION INTO SAID BLEED DUCT MEANS, AND ALL SURFACES IN CONTACT WITH SAID FLUID BEING FORMED SO AS TO HAVE SUBSTANTIALLY NOT LESS THAN CONSTANT FLUID VELOCITY AT THE EDGE OF THE FLUID BOUNDARY LAYER.
References Cited (Backward Citations)
US2408632A
Cited
FR1006146A
Cited
FR969293A
Cited
US2721715A
Cited
US2788719A
Cited
US2841182A
Cited
US3000178A
Cited
US2968921A
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |