US3276187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas separation pump for liquid circulating systems
Assignee: TDK Micronas GmbH
•
Filing: 1965-07-09
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Granted: 1966-10-04
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Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 John H Harker
- 👤 Keyes Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:00
CPC Classifications
F; F24; F24D; F24D3/00; F04; F04D; F04D9/00; F04D9/001; F04D9/002; F04D9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A PUMP OPERABLE TO SEPARATE GASES FROM A LIQUID CIRCUIT, A PUMP HOUSING HAVING A PUMP INLET, A DYNAMIC SEPARATING CHAMBER, A PUMP DISCHARGE CHAMBER AND A FLUID COLLECTING AND GAS COLLECTING STATIC CHAMBER IN SAID HOUSING, A PUMP IMPELLER ROTATING IN SAID DYNAMIC SEPARATING CHAMBER, SUPPLY AND DISCHARGE PASSAGES TO SAID PUMP, A PARTITION SEPARATING SAID PUMP DISCHARGE CHAMBER FROM SAID FLUID COLLECTING AND GAS COLLECTING CHAMBER, AND MEANS DEFINING A PASSAGEWAY BETWEEN SAID FLUID COLLECTING AND GAS COLLECTING CHAMBER AND SAID PUMP INLET COMPRISING A HOLLOW EXTENSION TURNING WITH SAID IMPELLER AHD HAVING AN END THEREOF EXTENDING THROUGH SADI PARTITION AND INTO SAID FLUID COLLECTING AND GAS COLLECTING STATIC CHAMBER, AND MEANS IN SAID IMPELLER CONNECTING SAID HOLLOW EXTENSION WITH THE EYE OF SAID IMPELLER THROUGH THE SAME AND AT SAID PUMP INLET.
Claim 2
Dependent Claim
136 words
IN A PUMP OPERABLE TO SEPARATE GASES FROM A LIQUID CIRCUIT, A PUMP HOUSING HAVING A PUMP INLET, A DYNAMIC SEPARATING CHAMBER, A PUMP DISCHARGE CHAMBER AND A FLUID COLLECTING AND GAS COLLECTING STATIC CHAMBER IN SAID HOUSING, A PUMP IMPELLER ROTATING IN SAID DYNAMIC SEPARATING CHAMBER, SUPPLY AND DISCHARGE PASSAGES TO SAID PUMP, A PARTITION SEPARATING SAID PUMP DISCHARGE CHAMBER FROM SAID FLUID COLLECTING AND GAS COLLECTING CHAMBER, AND MEANS DEFINING A PASSAGEWAY BETWEEN SAID FLUID COLLECTING AND GAS COLLECTING CHAMBER AND SAID PUMP INLET COMPRISING A HOLLOW EXTENSION TURNING WITH SAID IMPELLER AHD HAVING AN END THEREOF EXTENDING THROUGH SADI PARTITION AND INTO SAID FLUID COLLECTING AND GAS COLLECTING STATIC CHAMBER, AND MEANS IN SAID IMPELLER CONNECTING SAID HOLLOW EXTENSION WITH THE EYE OF SAID IMPELLER THROUGH THE SAME AND AT SAID PUMP INLET.
References Cited (Backward Citations)
US2736266A
Cited
US2216542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |