US3336809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for- balancing rotating bodies
Assignee: —
•
Filing: —
•
Granted: 1967-08-22
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Expires: 1984-08-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:02
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22; G01M1/30; G01M1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
APPARATUS FOR BALANCING ROTARY WORKPIECES BY A POLAR-COORDINATE METHOD REQUIRING DETERMINATION OF MAGNITUDE AND ANGULAR POSITION OF UNBALANCE, COMPRISING ELECTRIC TRANSDUCER MEANS RESPONSIVE TO WORKPIECE UNBALANCE TO PROVIDE DURING WORKPIECE ROTATION A VOLTAGE (U) CORRESPONDING TO THE MAGNITUDE OF UNBALANCE; PHASEREFERENCE TRANSMITTER MEANS HAVING A GIVEN PHASE RELATION TO THE WORKPIECE ROTATION AND COMPRISING TWO PHASEREFERENCE CIRCUITS TO PROVIDE RESPECTIVE ALTERNATING PHASEREFERENCE CURRENTS (I1, I2) OF GIVEN PHASE DISPLACEMENT RELATIVE TO EACH OTHER; FIRST ELECTRIC MULTIPLIER MEANS CONNECTED TO SAID TRANSDUCER MEANS AND TO ONE OF SAID REFERENCE CIRCUITS AND HAVING AN OUTPUT CIRCUIT TO FURNISH A FIRST PRODUCT VOLTAGE (UI1) CORRESPONDING TO THE PRODUCT OF SAID TRANSDUCER VOLTAGE TIMES ONE OF SAID PHASEREFERENCE CURRENTS; SECOND ELECTRIC MULTIPLIER MEANS CONNECTED TO SAID TRANSDUCER MEANS AND TO SAID OTHER REFERENCE CIRCUIT AND HAVING AN OUTPUT CIRCUIT TO FURNISH A SECOND PRODUCT VOLTAGE (UI2) CORRESPONDING TO THE PRODUCT OF SAID TRANSDUCER VOLTAGE TIMES SAID OTHER CURRENT; TWO VOLTAGE SQUARING MEANS CONNECTED TO SAID RESPECTIVE OUTPUT CIRCUITS OF SAID FIRST AND SECOND MULTIPLIER MEANS TO PROVIDE TWO SQUARED VOLTAGES
Claim 2
Dependent Claim
176 words
APPARATUS FOR BALANCING ROTARY WORKPIECES BY A POLAR-COORDINATE METHOD REQUIRING DETERMINATION OF MAGNITUDE AND ANGULAR POSITION OF UNBALANCE, COMPRISING ELECTRIC TRANSDUCER MEANS RESPONSIVE TO WORKPIECE UNBALANCE TO PROVIDE DURING WORKPIECE ROTATION A VOLTAGE (U) CORRESPONDING TO THE MAGNITUDE OF UNBALANCE; PHASEREFERENCE TRANSMITTER MEANS HAVING A GIVEN PHASE RELATION TO THE WORKPIECE ROTATION AND COMPRISING TWO PHASEREFERENCE CIRCUITS TO PROVIDE RESPECTIVE ALTERNATING PHASEREFERENCE CURRENTS (I1, I2) OF GIVEN PHASE DISPLACEMENT RELATIVE TO EACH OTHER; FIRST ELECTRIC MULTIPLIER MEANS CONNECTED TO SAID TRANSDUCER MEANS AND TO ONE OF SAID REFERENCE CIRCUITS AND HAVING AN OUTPUT CIRCUIT TO FURNISH A FIRST PRODUCT VOLTAGE (UI1) CORRESPONDING TO THE PRODUCT OF SAID TRANSDUCER VOLTAGE TIMES ONE OF SAID PHASEREFERENCE CURRENTS; SECOND ELECTRIC MULTIPLIER MEANS CONNECTED TO SAID TRANSDUCER MEANS AND TO SAID OTHER REFERENCE CIRCUIT AND HAVING AN OUTPUT CIRCUIT TO FURNISH A SECOND PRODUCT VOLTAGE (UI2) CORRESPONDING TO THE PRODUCT OF SAID TRANSDUCER VOLTAGE TIMES SAID OTHER CURRENT; TWO VOLTAGE SQUARING MEANS CONNECTED TO SAID RESPECTIVE OUTPUT CIRCUITS OF SAID FIRST AND SECOND MULTIPLIER MEANS TO PROVIDE TWO SQUARED VOLTAGES
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |