Patent US3173241A successfully refreshed from Google Patents.
US3173241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbocharger involving a centripetal turbine
Assignee: IMO Industries Inc
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Filing: 1955-08-29
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Granted: 1965-03-16
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Birmann Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:28
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/24; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/146; F01D17/16; F01D17/165; F01D25/00; F01D25/16; F02B37/02; F02C; F02C3/00; F02C3/04; F02C3/045; F02C3/05; F02C6/00; F02C6/04; F02C6/10; F02C6/12; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN COMBINATION WITH A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, A TURBOCHARGER COMPRISING A COMPRESSOR ARRANGED TO SUPPLY AIR TO SAID ENGINE AND A TURBINE ARRANGED TO RECEIVE DRIVING EXHAUST GASES FROM SAID ENGINE AND TO DRIVE SAID COMPRESSOR, SAID TURBINE COMPRISING A ROTOR OF CENTRIPETAL TYPE PROVIDED WITH BLADES PROVIDING PASSAGES DISPOSED TO RECEIVE GASES HAVING A SUBSTANTIAL RADIALLY INWARD COMPONENT OF MOTION, AND MEANS DEFINING AN ANNULAR CHAMBER SURROUNDING SAID ROTOR AND HAVING FREE COMMUNICATION WITH SAID ROTOR ABOUT THE ENTIRE CIRCUMFERENCE THEREOF, SAID MEANS BEING VANELESS AND PROVIDING UNOBSTRUCTED FLOW OF GASES TO SAID ROTOR, AND MEANS PROVIDING NOZZLES SPACED AROUND THE PERIPHERY OF SAID CHAMBER FOR DIRECTING SAID DRIVING GASES DIRECTLY FROM
Claim 2
Dependent Claim
114 words
IN COMBINATION WITH A MULTI-CYLINDER INTERNAL COMBUSTION ENGINE, A TURBOCHARGER COMPRISING A COMPRESSOR ARRANGED TO SUPPLY AIR TO SAID ENGINE AND A TURBINE ARRANGED TO RECEIVE DRIVING EXHAUST GASES FROM SAID ENGINE AND TO DRIVE SAID COMPRESSOR, SAID TURBINE COMPRISING A ROTOR OF CENTRIPETAL TYPE PROVIDED WITH BLADES PROVIDING PASSAGES DISPOSED TO RECEIVE GASES HAVING A SUBSTANTIAL RADIALLY INWARD COMPONENT OF MOTION, AND MEANS DEFINING AN ANNULAR CHAMBER SURROUNDING SAID ROTOR AND HAVING FREE COMMUNICATION WITH SAID ROTOR ABOUT THE ENTIRE CIRCUMFERENCE THEREOF, SAID MEANS BEING VANELESS AND PROVIDING UNOBSTRUCTED FLOW OF GASES TO SAID ROTOR, AND MEANS PROVIDING NOZZLES SPACED AROUND THE PERIPHERY OF SAID CHAMBER FOR DIRECTING SAID DRIVING GASES DIRECTLY FROM
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |