US3099998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid rectifier
Assignee: AM DYNE TRUST
•
Filing: 1960-04-11
•
Granted: 1963-08-06
•
Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 John C Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:13
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/1037; F04B53/1047; F04B53/105; F16; F16K; F16K15/00; F16K15/14; F16K15/16; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A PUMPING SYSTEM OF A TYPE PROVIDING AN ALTERNATING FLUID FLOW HAVING A FREQUENCY OF VELOCITY VARIATION OF AT LEAST 20 CYCLES PER SECOND, A RECTIFIER VALVE COMPRISING MEANS PROVIDING AN OPENING FOR FLUID FLOW THROUGH THE VALVE, AND MEANS FOR CONTROLLING FLUID FLOW THROUGH SAID OPENING INCLUDING AN ELONGATED CANTILEVER SUPPORTED REED OF RESILIENT MATERIAL, AND MEANS ON THE REED SEATED ON THE DOWNSTREAM SIDE OF SAID OPENING, THE REED HAVING A MAJOR AND A MINOR TRANSVERSE DIMENSION AND BEING TAPERED IN THE PLANE OF ITS MINOR TRANSVERSE DIMENSION LONGITUDINALLY OF THE REED OVER ITS ENTIRE FREE LENGTH, THE REED HAVING A LOWEST UNDAMPED NATURAL FREQUENCY WHILE IMMERSED IN THE FLUID FLOWING THROUGH SAID VALVE WHICH IS GREATER THAN THE FREQUENCY OF VELOCITY VARIATION OF SAID ALTERNATING FLUID FLOW.
Claim 2
Dependent Claim
131 words
IN A PUMPING SYSTEM OF A TYPE PROVIDING AN ALTERNATING FLUID FLOW HAVING A FREQUENCY OF VELOCITY VARIATION OF AT LEAST 20 CYCLES PER SECOND, A RECTIFIER VALVE COMPRISING MEANS PROVIDING AN OPENING FOR FLUID FLOW THROUGH THE VALVE, AND MEANS FOR CONTROLLING FLUID FLOW THROUGH SAID OPENING INCLUDING AN ELONGATED CANTILEVER SUPPORTED REED OF RESILIENT MATERIAL, AND MEANS ON THE REED SEATED ON THE DOWNSTREAM SIDE OF SAID OPENING, THE REED HAVING A MAJOR AND A MINOR TRANSVERSE DIMENSION AND BEING TAPERED IN THE PLANE OF ITS MINOR TRANSVERSE DIMENSION LONGITUDINALLY OF THE REED OVER ITS ENTIRE FREE LENGTH, THE REED HAVING A LOWEST UNDAMPED NATURAL FREQUENCY WHILE IMMERSED IN THE FLUID FLOWING THROUGH SAID VALVE WHICH IS GREATER THAN THE FREQUENCY OF VELOCITY VARIATION OF SAID ALTERNATING FLUID FLOW.
References Cited (Backward Citations)
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Cited
US2064754A
Cited
US2505757A
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US2851054A
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US2706972A
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US2965123A
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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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |