US3316846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating system
Assignee: Danfoss AS
•
Filing: 1966-04-12
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Granted: 1967-05-02
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Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Vagn S L Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:57
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/10; F04C14/14; F04B; F04B1/00; F04B1/12; F04B1/14; F04B49/00; F04B49/02; F04B49/03; F04B49/035; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
321 words
IN COMBINATION WITH A SYSTEM COMPRISING PUMP MEANS, FIRST CONDUIT MEANS COMMUNICATING BETWEEN THE SUCTION SIDE OF SAID PUMP MEANS AND A RESERVOIR ADAPTED TO CONTAIN A FLUID, AND SECOND CONDUIT MEANS COMMUNICATING BETWEEN THE DISCHARGE SIDE OF SAID PUMP MEANS AND A FLUID DYNAMIC SYSTEM, THE IMPROVEMENT COMPRISING A REGULATING SYSTEM FOR REGULATING AS DESIRED THE RATE OF DELIVERY OF SAID FLUID FROM THE DISCHARGE SIDE OF SAID PUMP MEANS TO SAID FLUID DYNAMIC SYSTEM WITHOUT SIGNIFICANTLY EFFECTING THE FLUID PRESSURE IN SAID FLUID DYNAMIC SYSTEM, SAID REGULATING SYSTEM COMPRISING AN INTERMITTENTLY OPENING AND CLOSING FLUID FLOW INTERRUPTOR HAVING A FLUID INLET AND A FLUID OUTLET, SAID FLUID FLOW INTERRUPTOR COMPRISING A FIRST HOLLOW MEMBER HAVING AT LEAST ONE PASSAGE OF TRIANGULAR CROSS-SECTION COMMUNICATING BETWEEN ITS INTERIOR AND ITS EXTERIOR AND A SECOND HOLLOW MEMBER HAVING AT LEAST ONE PASSAGE OF TRIANGULAR CROSSSECTION COMMUNICATING BETWEEN ITS INTERIOR AND ITS EXTERIOR, SAID SECOND HOLLOW MEMBER BEING DISPOSED INTERIORLY OF SAID FIRST HOLLOW MEMBER WITH THE TRIANGULAR CROSS-SECTION OF SAID AT LEAST ONE PASSAGE OF SAID FIRST HOLLOW MEMBER BEING ORIENTED DIFFERENTLY FROM THE TRIANGULAR CROSS-SECTION OF SAID AT LEAST ONE PASSAGE OF SAID SECOND HOLLOW MEMBER, ONE OF SAID HOLLOW MEMBERS BEING ROTATABLE TO ALIGN SAID AT LEAST ONE PASSAGE OF SAID HOLLOW MEMBERS IN COMMUNICATING RELATIONSHIP, CONDUIT MEANS COMMUNICATING BETWEEN SAID SECOND CONDUIT MEANS AND THE FLUID INLET OF SAID FLOW INTERRUPTOR, INTERCONNECTION MEANS FOR INTERCONNECTING SAID PUMP AND SAID FLUID FLOW INTERRUPTOR FOR COMMON DRIVING THEREOF, MEANS FOR ADJUSTING THE DURATION AND MAGNITUDE OF THE OPENING OF SAID FLUID FLOW INTERRUPTOR COMPRISING MEANS FOR AXIALLY DISPLACING ONE OF SAID HOLLOW MEMBERS TO ADJUST THE EXTENT TO WHICH SAID AT LEAST ONE PASSAGES ARE ALIGNABLE BY ROTATING SAID ROTATABLE HOLLOW MEMBER, CONDUIT MEANS COMMUNICATING BETWEEN THE FLUID OUTLET OF SAID FLOW INTERRUPTOR AND SAID RESERVOIR, AND NON-RETURN VALVE MEANS COMMUNICATING BETWEEN SAID SECOND CONDUIT MEANS AND SAID FLUID DYNAMIC SYSTEM.
Claim 2
Dependent Claim
321 words
IN COMBINATION WITH A SYSTEM COMPRISING PUMP MEANS, FIRST CONDUIT MEANS COMMUNICATING BETWEEN THE SUCTION SIDE OF SAID PUMP MEANS AND A RESERVOIR ADAPTED TO CONTAIN A FLUID, AND SECOND CONDUIT MEANS COMMUNICATING BETWEEN THE DISCHARGE SIDE OF SAID PUMP MEANS AND A FLUID DYNAMIC SYSTEM, THE IMPROVEMENT COMPRISING A REGULATING SYSTEM FOR REGULATING AS DESIRED THE RATE OF DELIVERY OF SAID FLUID FROM THE DISCHARGE SIDE OF SAID PUMP MEANS TO SAID FLUID DYNAMIC SYSTEM WITHOUT SIGNIFICANTLY EFFECTING THE FLUID PRESSURE IN SAID FLUID DYNAMIC SYSTEM, SAID REGULATING SYSTEM COMPRISING AN INTERMITTENTLY OPENING AND CLOSING FLUID FLOW INTERRUPTOR HAVING A FLUID INLET AND A FLUID OUTLET, SAID FLUID FLOW INTERRUPTOR COMPRISING A FIRST HOLLOW MEMBER HAVING AT LEAST ONE PASSAGE OF TRIANGULAR CROSS-SECTION COMMUNICATING BETWEEN ITS INTERIOR AND ITS EXTERIOR AND A SECOND HOLLOW MEMBER HAVING AT LEAST ONE PASSAGE OF TRIANGULAR CROSSSECTION COMMUNICATING BETWEEN ITS INTERIOR AND ITS EXTERIOR, SAID SECOND HOLLOW MEMBER BEING DISPOSED INTERIORLY OF SAID FIRST HOLLOW MEMBER WITH THE TRIANGULAR CROSS-SECTION OF SAID AT LEAST ONE PASSAGE OF SAID FIRST HOLLOW MEMBER BEING ORIENTED DIFFERENTLY FROM THE TRIANGULAR CROSS-SECTION OF SAID AT LEAST ONE PASSAGE OF SAID SECOND HOLLOW MEMBER, ONE OF SAID HOLLOW MEMBERS BEING ROTATABLE TO ALIGN SAID AT LEAST ONE PASSAGE OF SAID HOLLOW MEMBERS IN COMMUNICATING RELATIONSHIP, CONDUIT MEANS COMMUNICATING BETWEEN SAID SECOND CONDUIT MEANS AND THE FLUID INLET OF SAID FLOW INTERRUPTOR, INTERCONNECTION MEANS FOR INTERCONNECTING SAID PUMP AND SAID FLUID FLOW INTERRUPTOR FOR COMMON DRIVING THEREOF, MEANS FOR ADJUSTING THE DURATION AND MAGNITUDE OF THE OPENING OF SAID FLUID FLOW INTERRUPTOR COMPRISING MEANS FOR AXIALLY DISPLACING ONE OF SAID HOLLOW MEMBERS TO ADJUST THE EXTENT TO WHICH SAID AT LEAST ONE PASSAGES ARE ALIGNABLE BY ROTATING SAID ROTATABLE HOLLOW MEMBER, CONDUIT MEANS COMMUNICATING BETWEEN THE FLUID OUTLET OF SAID FLOW INTERRUPTOR AND SAID RESERVOIR, AND NON-RETURN VALVE MEANS COMMUNICATING BETWEEN SAID SECOND CONDUIT MEANS AND SAID FLUID DYNAMIC SYSTEM.
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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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |