US3179328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbo-compressors
Assignee: Individual
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Filing: 1962-11-26
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Granted: 1965-04-20
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Expires: 1982-11-26
Abstract
No abstract record available.
Inventors
- 👤 Pouit Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:44
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F01; F01D; F01D25/00; F01D25/08; F01D25/12; F01D25/125; F01D25/16; F01D25/162; F01D25/18; F01D25/22; F01D5/00; F01D5/02; F01D5/08; F02C3/00; F02C3/04; F02C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A TURBO-COMPRESSOR WHICH COMPRISES, IN COMBINATION, A ROTARY COMPRESSOR INCLUDING A COMPRESSOR CASING, A COMPRESSOR WHEEL ROTATABLE IN SAID CASING AND A DELIVERY SCROLL CARRIED BY SAID CASING, RIGID WITH SAID COMDISPOSED INSIDE SAID COMPRESSOR DELIVERY SCROLL, SAID TURBINE COMPRISING A TURBINE CASING, RIGID WITH SAID COMPRESSOR CASING, A TURBINE WHEEL ROTATABLE IN SAID TURBINE CASING, A COMMON SHAFT HAVING SAID COMPRESSOR WHEEL AND SAID TURBINE WHEEL FIXED THERETO, ONLY TWO BEARINGS FOR SAID SHAFT, TO WIT A FRONT BEARING CARRIED BY SAID COMPRESSOR CASING, AND A REAR BEARING CARRIED BY SAID DELIVERY SCROLL, LONGITUDINALLY EXTENDING CONDUIT MEANS DISPOSED INSIDE SAID DELIVERY SCROLL AND OPENING INTO SAID TURBINE CASING FOR FEEDING HOT GASES TO SAID TURBINE AND LONGITUDINALLY EXTENDING CONDUIT MEANS DISPOSED INSIDE SAID DELIVERY SCROLL FOR THE OUTFLOW OF GAS FROM SAID TURBINE, SAID SHAFT BEING HOLLOW, AND MEANS FOR CIRCULATING A COOLING GAS INSIDE SAID SHAFT AND FOR DISTRIBUTING THIS GAS, IN THE FORM OF A GAS CUSHION, BETWEEN SAID SHAFT AND SAID BEARINGS.
Claim 2
Dependent Claim
166 words
A TURBO-COMPRESSOR WHICH COMPRISES, IN COMBINATION, A ROTARY COMPRESSOR INCLUDING A COMPRESSOR CASING, A COMPRESSOR WHEEL ROTATABLE IN SAID CASING AND A DELIVERY SCROLL CARRIED BY SAID CASING, RIGID WITH SAID COMDISPOSED INSIDE SAID COMPRESSOR DELIVERY SCROLL, SAID TURBINE COMPRISING A TURBINE CASING, RIGID WITH SAID COMPRESSOR CASING, A TURBINE WHEEL ROTATABLE IN SAID TURBINE CASING, A COMMON SHAFT HAVING SAID COMPRESSOR WHEEL AND SAID TURBINE WHEEL FIXED THERETO, ONLY TWO BEARINGS FOR SAID SHAFT, TO WIT A FRONT BEARING CARRIED BY SAID COMPRESSOR CASING, AND A REAR BEARING CARRIED BY SAID DELIVERY SCROLL, LONGITUDINALLY EXTENDING CONDUIT MEANS DISPOSED INSIDE SAID DELIVERY SCROLL AND OPENING INTO SAID TURBINE CASING FOR FEEDING HOT GASES TO SAID TURBINE AND LONGITUDINALLY EXTENDING CONDUIT MEANS DISPOSED INSIDE SAID DELIVERY SCROLL FOR THE OUTFLOW OF GAS FROM SAID TURBINE, SAID SHAFT BEING HOLLOW, AND MEANS FOR CIRCULATING A COOLING GAS INSIDE SAID SHAFT AND FOR DISTRIBUTING THIS GAS, IN THE FORM OF A GAS CUSHION, BETWEEN SAID SHAFT AND SAID BEARINGS.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |