US3159208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control device
Assignee: Honeywell Inc
•
Filing: 1961-03-23
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Granted: 1964-12-01
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Expires: 1981-03-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Joesting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:30
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/008; F24; F24F; F24F11/00; F24F11/70; F24F11/80; F24F11/83; G; G05; G05D; G05D23/00; G05D23/185; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/2071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD OF OPERATING A FLUID FILLED FLUID AMPLIFIER TO CONTROL THE FLUID THROUGH OR AROUND A FLUID FILLED LOAD, INCLUDING; SUPPLYING A FLUID UNDER PRESSURE TO A FLUID AMPLIFIER INLET; CONTROLLING THE INLET FLOW TO DIRECT THE FLOW THROUGH A FLUID AMPLIFIER OUTLET TO THE LOAD, OR A BYPASS OUTLET TO BYPASS THE LOAD; AND ADJUSTING THE FLUID IMPEDANCE OF THE BYPASS OUTLET TO CREATE A ZERO PRESSURE DROP ACROSS THE LOAD WHEN THE FLUID FLOWS THROUGH THE BYPASS OUTLET TO THEREBY PREVENT ANY FLUID FLOW THROUGH THE LOAD.
Claim 2
Independent Claim
90 words
A METHOD OF OPERATING A FLUID FILLED FLUID AMPLIFIER TO CONTROL THE FLUID THROUGH OR AROUND A FLUID FILLED LOAD, INCLUDING; SUPPLYING A FLUID UNDER PRESSURE TO A FLUID AMPLIFIER INLET; CONTROLLING THE INLET FLOW TO DIRECT THE FLOW THROUGH A FLUID AMPLIFIER OUTLET TO THE LOAD, OR A BYPASS OUTLET TO BYPASS THE LOAD; AND ADJUSTING THE FLUID IMPEDANCE OF THE BYPASS OUTLET TO CREATE A ZERO PRESSURE DROP ACROSS THE LOAD WHEN THE FLUID FLOWS THROUGH THE BYPASS OUTLET TO THEREBY PREVENT ANY FLUID FLOW THROUGH THE LOAD.
References Cited (Backward Citations)
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |