US3132520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerometer
Assignee: Unisys Corp
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Filing: 1958-04-22
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Granted: 1964-05-12
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Expires: 1978-04-22
Abstract
No abstract record available.
Inventors
- 👤 Willis G Wing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
G; G01; G01P; G01P7/00; G01P15/00; G01P15/02; G01P15/08; G01P15/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
IN AN ACCELEROMETER, A FLUID CIRCULATING MEMBER INCLUDING A FLUID, A FLUID-FILLED, CYLINDRICAL CHAMBER HAVING A LONGITUDINAL AXIS, A MASS BUOYANTLY SUPPORTED IN THE CHAMBER BY THE FLUID FOR MOVEMENT ALONG THE AXIS RESPONSIVE TO THE INFLUENCE OF ACCELERATION HAVING A GEOMETRICAL SHAPE THAT IS SYMMETRICAL TO THE AXIS AND THAT WITH A PORTION OF THE WALL OF THE CHAMBER PROVIDES A RESTRICTIVE AXIAL PASSAGEWAY FOR THE FLUID BETWEEN THE RESPECTIVE ENDS OF THE CHAMBER, A FLUID FILLED, HELICAL CONDUIT WITH ONE END CONNECTED TO THE CHAMBER AT ONE SIDE OF THE RESTRICTIVE PASSAGEWAY AND WITH THE OTHER END CONNECTED TO THE CHAMBER AT THE OTHER SIDE OF THE RESTRICTIVE PASSAGEWAY, MEANS FOR SUPPORTING THE CONDUIT FOR ROTATION ABOUT ITS LONGITUDINAL AXIS TO CIRCULATE FLUID THROUGH THE CHAMBER AND THEREBY EXERT A DIFFERENTIAL FLUID PRESSURE ON THE BUOYANT MASS EQUAL AND OPPOSITE TO THE INFLUENCE OF ACCELERATION, MEANS FOR PROVIDING AN OUTPUT DEPENDENT ON THE MOVEMENT OF THE MASS FROM A NULL POSITION ALONG THE AXIS OF THE CHAMBER, AND MEANS FOR ROTATING THE CONDUIT AT A SPEED DEPENDING ON THE OUTPUT OF SAID OUTPUT PROVIDING MEANS.
Claim 2
Dependent Claim
187 words
IN AN ACCELEROMETER, A FLUID CIRCULATING MEMBER INCLUDING A FLUID, A FLUID-FILLED, CYLINDRICAL CHAMBER HAVING A LONGITUDINAL AXIS, A MASS BUOYANTLY SUPPORTED IN THE CHAMBER BY THE FLUID FOR MOVEMENT ALONG THE AXIS RESPONSIVE TO THE INFLUENCE OF ACCELERATION HAVING A GEOMETRICAL SHAPE THAT IS SYMMETRICAL TO THE AXIS AND THAT WITH A PORTION OF THE WALL OF THE CHAMBER PROVIDES A RESTRICTIVE AXIAL PASSAGEWAY FOR THE FLUID BETWEEN THE RESPECTIVE ENDS OF THE CHAMBER, A FLUID FILLED, HELICAL CONDUIT WITH ONE END CONNECTED TO THE CHAMBER AT ONE SIDE OF THE RESTRICTIVE PASSAGEWAY AND WITH THE OTHER END CONNECTED TO THE CHAMBER AT THE OTHER SIDE OF THE RESTRICTIVE PASSAGEWAY, MEANS FOR SUPPORTING THE CONDUIT FOR ROTATION ABOUT ITS LONGITUDINAL AXIS TO CIRCULATE FLUID THROUGH THE CHAMBER AND THEREBY EXERT A DIFFERENTIAL FLUID PRESSURE ON THE BUOYANT MASS EQUAL AND OPPOSITE TO THE INFLUENCE OF ACCELERATION, MEANS FOR PROVIDING AN OUTPUT DEPENDENT ON THE MOVEMENT OF THE MASS FROM A NULL POSITION ALONG THE AXIS OF THE CHAMBER, AND MEANS FOR ROTATING THE CONDUIT AT A SPEED DEPENDING ON THE OUTPUT OF SAID OUTPUT PROVIDING MEANS.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |