US3203354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: ATK Launch Systems LLC
•
Filing: 1962-03-26
•
Granted: 1965-08-31
•
Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Haakon O Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/001; F04D9/002; F04D9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PUMP FOR PUMPING FLUID MIXTURES OF VAPOR AND LIQUID WITHOUT LOSS OF HEAD COMPRISISNG, IN COMBINTION, A CASING INCLUDING A PORTION DISPOSED FOR AXIAL FLUID FLOW, A DRIVE SHAFT INCLUDING AN IMPELLER FIXED THERETO JOURNALED IN SAID CASING, AN ANNULAR INLET COMMUNICATINGN WITH SAID CASING TO DIRECT PUMPED FLUID AXIALLY ALONG SAID IMPELLER, IMPELLER VANES ARRANGED IN SAID AXIAL PORTION TO IMPART ROTATION TO THE MIXXTURE UPON RROTATION OF SAID SHAFT TO EFFECT A SEPARATING FLOW OF THE LIGHTER VAPOR COMPONENTS TOWARD AND OF THE HEAVIER LIQUID COMPONENT AWAY FROM THE AXIS OF ROTATION, AND A PAIR OF ANNULAR, RADIALLY SPACED WALLS FORMED ON SAID IMPELLER VANES DEFINING SEPARATE INNER VAPOR ANND OOUTER LIQUID PASSAGGES WITH SAID SHAFT AND SAI HOUSING AND DIRECTING SAID SEPARATED COMPONENTS TO SEPARATE DISCHARGE MEANS OF SAID CASING.
Claim 2
Dependent Claim
134 words
A PUMP FOR PUMPING FLUID MIXTURES OF VAPOR AND LIQUID WITHOUT LOSS OF HEAD COMPRISISNG, IN COMBINTION, A CASING INCLUDING A PORTION DISPOSED FOR AXIAL FLUID FLOW, A DRIVE SHAFT INCLUDING AN IMPELLER FIXED THERETO JOURNALED IN SAID CASING, AN ANNULAR INLET COMMUNICATINGN WITH SAID CASING TO DIRECT PUMPED FLUID AXIALLY ALONG SAID IMPELLER, IMPELLER VANES ARRANGED IN SAID AXIAL PORTION TO IMPART ROTATION TO THE MIXXTURE UPON RROTATION OF SAID SHAFT TO EFFECT A SEPARATING FLOW OF THE LIGHTER VAPOR COMPONENTS TOWARD AND OF THE HEAVIER LIQUID COMPONENT AWAY FROM THE AXIS OF ROTATION, AND A PAIR OF ANNULAR, RADIALLY SPACED WALLS FORMED ON SAID IMPELLER VANES DEFINING SEPARATE INNER VAPOR ANND OOUTER LIQUID PASSAGGES WITH SAID SHAFT AND SAI HOUSING AND DIRECTING SAID SEPARATED COMPONENTS TO SEPARATE DISCHARGE MEANS OF SAID CASING.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |