Patent US3194165A successfully refreshed from Google Patents.
US3194165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor pump
Assignee: Individual
•
Filing: 1962-02-28
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Granted: 1965-07-13
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Expires: 1982-02-28
Abstract
No abstract record available.
Inventors
- 👤 Sorlin Nils
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:50
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0646; F04D13/0666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A COMBINATION AXIAL FLOW FLUID PUMP AND SQUIRRELCAGE ELECTRIC MOTOR IN WHICH ONE ROTOR SERVES AS BOTH THE PUMPING ROTOR AND THE MOTOR ROTOR, THE COMBINATION WHICH COMPRISES A CASING HAVING ELECTRIC MOTOR WINDING THEREIN ANS A CENTRAL AXIAL PASSAGE DISPOSED WITHIN SAID WINDING, ONE END OF SAID PASSAGE FORMING AN INLET AND THE OTHER END THEREOF FORMING AN OUTLET FOR FLUID TO BE PUMPED, A ROTOR ROTATABLY DISPOSED WITHIN SAID PASSAGE AND HAVING A CYLINDRICAL CENTRAL IRON CORE PORTION COOPPERATING WITH SAID WINDING TO FORM SAID MOTOR, A PLURAFLITY OF SEPARATED BARS ON THE OUTER SURFACE OF SAID CORE PORTION FORMING BOTH A AMOTOR ARMATURE AND PUMPING VANES AND DEFINING THEREBETWEEN PUMPING CHANNELS ALONG SAID ROTOR FOR AXIAL FLOW PUMPING OF FLUID WHEN SAID MOTOR IS RUNNING.
Claim 2
Dependent Claim
129 words
IN A COMBINATION AXIAL FLOW FLUID PUMP AND SQUIRRELCAGE ELECTRIC MOTOR IN WHICH ONE ROTOR SERVES AS BOTH THE PUMPING ROTOR AND THE MOTOR ROTOR, THE COMBINATION WHICH COMPRISES A CASING HAVING ELECTRIC MOTOR WINDING THEREIN ANS A CENTRAL AXIAL PASSAGE DISPOSED WITHIN SAID WINDING, ONE END OF SAID PASSAGE FORMING AN INLET AND THE OTHER END THEREOF FORMING AN OUTLET FOR FLUID TO BE PUMPED, A ROTOR ROTATABLY DISPOSED WITHIN SAID PASSAGE AND HAVING A CYLINDRICAL CENTRAL IRON CORE PORTION COOPPERATING WITH SAID WINDING TO FORM SAID MOTOR, A PLURAFLITY OF SEPARATED BARS ON THE OUTER SURFACE OF SAID CORE PORTION FORMING BOTH A AMOTOR ARMATURE AND PUMPING VANES AND DEFINING THEREBETWEEN PUMPING CHANNELS ALONG SAID ROTOR FOR AXIAL FLOW PUMPING OF FLUID WHEN SAID MOTOR IS RUNNING.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |