US3329916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric torque motor
Assignee: Short Brothers PLC
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Filing: 1964-02-28
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Granted: 1967-07-04
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Carson Oliver Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:31
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145; H02; H02K; H02K33/00; H02K33/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A TORQUE MOTOR, COMPRISING: A STATOR AND A FREELY MOUNTED ROTOR, MEANS FOR GENERATING A FIRST MAGNETIC FLUX BETWEEN SAID STATOR AND SAID ROTOR THEREBY APPLYING A RESTORING TORQUE TO SAID ROTOR HOLDING IT AT A PREDETERMINED REST POSITION, COIL MEANS FOR GENERATING, IN RESPONSE TO AN APPLIED SIGNAL, A SECOND MAGNETIC FLUX BETWEEN SAID STATOR AND ROTOR EXERTING A DISTURBING FORCE ON SAID ROTOR CAUSING SAID ROTOR TO BE DISPLACED FROM ITS REST POSITION AGAINST THE ACTION OF SAID FIRST FLUX BY AN AMOUNT REPRESENTATIVE OF APPLIED SIGNAL, SAID ROTOR BEING IN THE FORM OF A FLAT BLOCK AND HAVING A POLE FACE OPPOSING A CORRESPONDING FACE ON SAID STATOR IN THE REST POSITION OF SAID ROTOR AND ARRANGED TO MOVE ACROSS THE STATOR POLE FACE WHEN SAID ROTOR IS DISTURBED, AND SAID POLE FACE ON SAID ROTOR HAVING AN OPENING EXTENDING PARALLEL TO THE ROTARY AXIS, AND ALSO EXTENDING ALONG THE LONGITUDINAL CENTER LINE OF SAID EXTENDING THEREBY REDIRECTING FLUX WITHIN SAID ROTOR AND CREATING A RESTORING TORQUE CHARACTERISTIC.
Claim 2
Dependent Claim
171 words
A TORQUE MOTOR, COMPRISING: A STATOR AND A FREELY MOUNTED ROTOR, MEANS FOR GENERATING A FIRST MAGNETIC FLUX BETWEEN SAID STATOR AND SAID ROTOR THEREBY APPLYING A RESTORING TORQUE TO SAID ROTOR HOLDING IT AT A PREDETERMINED REST POSITION, COIL MEANS FOR GENERATING, IN RESPONSE TO AN APPLIED SIGNAL, A SECOND MAGNETIC FLUX BETWEEN SAID STATOR AND ROTOR EXERTING A DISTURBING FORCE ON SAID ROTOR CAUSING SAID ROTOR TO BE DISPLACED FROM ITS REST POSITION AGAINST THE ACTION OF SAID FIRST FLUX BY AN AMOUNT REPRESENTATIVE OF APPLIED SIGNAL, SAID ROTOR BEING IN THE FORM OF A FLAT BLOCK AND HAVING A POLE FACE OPPOSING A CORRESPONDING FACE ON SAID STATOR IN THE REST POSITION OF SAID ROTOR AND ARRANGED TO MOVE ACROSS THE STATOR POLE FACE WHEN SAID ROTOR IS DISTURBED, AND SAID POLE FACE ON SAID ROTOR HAVING AN OPENING EXTENDING PARALLEL TO THE ROTARY AXIS, AND ALSO EXTENDING ALONG THE LONGITUDINAL CENTER LINE OF SAID EXTENDING THEREBY REDIRECTING FLUX WITHIN SAID ROTOR AND CREATING A RESTORING TORQUE CHARACTERISTIC.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |