Patent US3289594A successfully refreshed from Google Patents.
US3289594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valveless pump for liquids
Assignee: Individual
•
Filing: 1964-07-08
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Granted: 1966-12-06
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Expires: 1984-07-08
Abstract
No abstract record available.
Inventors
- 👤 Thiele Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:24
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/1077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A VALVELESS PUMP, COMPRISING A PUMP TUBE IN THE FORM OF A CLOSED RING WHICH OSCILLATES ABOUT ITS AXIS AT HIGH SPEED TO IMPART MOTION TO LIQUID CONTAINED IN THE TUBE, SAID TUBE HAVING AN INLET AND AN OUTLET, A NOZZLE TAPERED TOWARD SAID OULET FOR EJECTING A LIQUID JET DURING THE OSCILLATING MOVEMENT OF THE TUBE IN ONE DIRECTION, A CAVITY ADJOINING THE OUTLET END OF SAID NOZZLE, A DISCHARGE DUCT COMMUNICATING THROUGH SAID OUTLET WITH THE CAVITY OPPOSITE TO THE OUTLET END OF SAID NOZZLE TO RECEIVE THE LIQUID JET EJECTED BY THE NOZZLE, A SUPPLY DUCT CONNECTED TO SAID INLET TO DISCHARGE LATERALLY INTO SAID CAVITY, SAID SUPPLY AND DISCHARGE DUCTS EXTENDING TO THE AXIS OF THE RING AND BEING BENT AT SAID AXIS TO EXTEND IN THE AXIS AND FORM THE MOUNTING FOR OSCILLATING THE RING TUBE OF THE PUMP.
Claim 2
Dependent Claim
144 words
A VALVELESS PUMP, COMPRISING A PUMP TUBE IN THE FORM OF A CLOSED RING WHICH OSCILLATES ABOUT ITS AXIS AT HIGH SPEED TO IMPART MOTION TO LIQUID CONTAINED IN THE TUBE, SAID TUBE HAVING AN INLET AND AN OUTLET, A NOZZLE TAPERED TOWARD SAID OULET FOR EJECTING A LIQUID JET DURING THE OSCILLATING MOVEMENT OF THE TUBE IN ONE DIRECTION, A CAVITY ADJOINING THE OUTLET END OF SAID NOZZLE, A DISCHARGE DUCT COMMUNICATING THROUGH SAID OUTLET WITH THE CAVITY OPPOSITE TO THE OUTLET END OF SAID NOZZLE TO RECEIVE THE LIQUID JET EJECTED BY THE NOZZLE, A SUPPLY DUCT CONNECTED TO SAID INLET TO DISCHARGE LATERALLY INTO SAID CAVITY, SAID SUPPLY AND DISCHARGE DUCTS EXTENDING TO THE AXIS OF THE RING AND BEING BENT AT SAID AXIS TO EXTEND IN THE AXIS AND FORM THE MOUNTING FOR OSCILLATING THE RING TUBE OF THE PUMP.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |