Patent US3098412A successfully refreshed from Google Patents.
US3098412A
Expired / Lapsed
US
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Servo system
Assignee: Unisys Corp
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Filing: 1961-08-04
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Granted: 1963-07-23
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Expires: 1981-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lester J Reitman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:28
CPC Classifications
B; B64; B64C; B64C13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A MANUAL BOOSTER SERVO SYSTEM FOR MANEUVERABLE CRAFT, A SERVOMOTOR RESPONSIVE TO A DIFFERENTIAL FLUID PRESSURE INPUT, A VALVE FOR CONTROLLING THE DIFFERENTIAL FLUID PRESSURE INPUT TO THE SERVOMOTOR OPERABLE TO MOVE THE CRAFT ABOUT AN AXIS, A MANUAL CONTROLLER, A MECHANICAL CONNECTION BETWEEN THE CONTROLLER AND THE SERVOMOTOR VALVE HAVING A ROD PART, DIFFERENTIAL FLUID PRESSURE RESPONSIVE FEEL MEANS HAVING A PISTON MOVABLE AXIALLY ON THE ROD PART OF THE MECHANICAL CONNECTION, MEANS RESPONSIVE TO A DIFFERENTIAL FLUID PRESSURE INPUT TO SAID FEEL MEANS INCLUDING A CLUTCH FOR COUPLING THE PISTON OF THE MEANS TO THE ROD PART OF THE MECHANICAL CONNECTION TO IMPART ARTIFICIAL FEEL TO THE CONTROLLER, A FLUID FLOW LINE BETWEEN THE SERVOMOTOR AND FEEL MEANS HAVING A CONTROL VALVE, AND MEANS FOR CONDITIONING THE LINE CONTROL VALVE TO CONNECT THE SERVOMOTOR TO THE FEEL MEANS FOR OPERATION IN ACCORDANCE WITH THE DIFFERENTIAL FLUID PRESSURE INPUT TO THE SERVOMOTOR.
Claim 2
Dependent Claim
154 words
IN A MANUAL BOOSTER SERVO SYSTEM FOR MANEUVERABLE CRAFT, A SERVOMOTOR RESPONSIVE TO A DIFFERENTIAL FLUID PRESSURE INPUT, A VALVE FOR CONTROLLING THE DIFFERENTIAL FLUID PRESSURE INPUT TO THE SERVOMOTOR OPERABLE TO MOVE THE CRAFT ABOUT AN AXIS, A MANUAL CONTROLLER, A MECHANICAL CONNECTION BETWEEN THE CONTROLLER AND THE SERVOMOTOR VALVE HAVING A ROD PART, DIFFERENTIAL FLUID PRESSURE RESPONSIVE FEEL MEANS HAVING A PISTON MOVABLE AXIALLY ON THE ROD PART OF THE MECHANICAL CONNECTION, MEANS RESPONSIVE TO A DIFFERENTIAL FLUID PRESSURE INPUT TO SAID FEEL MEANS INCLUDING A CLUTCH FOR COUPLING THE PISTON OF THE MEANS TO THE ROD PART OF THE MECHANICAL CONNECTION TO IMPART ARTIFICIAL FEEL TO THE CONTROLLER, A FLUID FLOW LINE BETWEEN THE SERVOMOTOR AND FEEL MEANS HAVING A CONTROL VALVE, AND MEANS FOR CONDITIONING THE LINE CONTROL VALVE TO CONNECT THE SERVOMOTOR TO THE FEEL MEANS FOR OPERATION IN ACCORDANCE WITH THE DIFFERENTIAL FLUID PRESSURE INPUT TO THE SERVOMOTOR.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |