US3323533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination proportional and priority flow divider
Assignee: Cessna Aircraft Co
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Filing: 1964-11-09
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Granted: 1967-06-06
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Leonard H Reimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:08
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/022; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2524; Y10T137/2559; Y10T137/2562; Y10T137/2574; Y10T137/2579; Y10T137/2587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A FLUID FLOW DRIVING VALVE VOMPRISING: A VALVE BODY HAVING AN INLET AND TWO OUTLETS; MEANS IN THE BODY DEFINING TWO SEPARATE OPEN FLOW PATHS BETWEEN THE INLET AND THE RESPECTIVE OUTLETS; A FLOATING VALVE SPOOL IN THE VALVE BODY WHICH METERS FLOW THROUGH BOTH OUTLETS AND IS RESPONSIVE TO DISPROPORTIONATE VOLUME FLOW OF FLUID THROUGH THE TWO OUTLETS TO PROPORTIONATELY REGULATE SUCH FLOW; A THIRD AND INDEPENDENT FLUID FLOW PATH DEFINED BY SAID BODY, AFFORDING COMMUNICATION BETWEEN SAID INLET AND ONE OF SAID OUTLETS; AND A NORMALLY CLOSED CHECK VALVE CONTROLLING FLUID FLOW THROUGH SAID THIRD FLOW PATH, AND OPENABLE IN RESPONSE TO EXCESSIVE FLUID FLOW THROUGH SAID ONE OUTLET TO SUPPLEMENT THE FLOW THERETHROUGH AND AFFORD A CONTINUED DISPROPORTIONATE FLOW THROUGH SAID ONE OUTLET AS COMPARED TO FLOW THROUGH THE OTHER OUTLET.
Claim 2
Dependent Claim
134 words
A FLUID FLOW DRIVING VALVE VOMPRISING: A VALVE BODY HAVING AN INLET AND TWO OUTLETS; MEANS IN THE BODY DEFINING TWO SEPARATE OPEN FLOW PATHS BETWEEN THE INLET AND THE RESPECTIVE OUTLETS; A FLOATING VALVE SPOOL IN THE VALVE BODY WHICH METERS FLOW THROUGH BOTH OUTLETS AND IS RESPONSIVE TO DISPROPORTIONATE VOLUME FLOW OF FLUID THROUGH THE TWO OUTLETS TO PROPORTIONATELY REGULATE SUCH FLOW; A THIRD AND INDEPENDENT FLUID FLOW PATH DEFINED BY SAID BODY, AFFORDING COMMUNICATION BETWEEN SAID INLET AND ONE OF SAID OUTLETS; AND A NORMALLY CLOSED CHECK VALVE CONTROLLING FLUID FLOW THROUGH SAID THIRD FLOW PATH, AND OPENABLE IN RESPONSE TO EXCESSIVE FLUID FLOW THROUGH SAID ONE OUTLET TO SUPPLEMENT THE FLOW THERETHROUGH AND AFFORD A CONTINUED DISPROPORTIONATE FLOW THROUGH SAID ONE OUTLET AS COMPARED TO FLOW THROUGH THE OTHER OUTLET.
References Cited (Backward Citations)
US2462983A
Cited
US2665704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |