US3303994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust gas turbine supercharger
Assignee: Mitsubishi Heavy Industries Ltd
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Filing: 1965-03-05
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Granted: 1967-02-14
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Expires: 1985-03-05
Abstract
No abstract record available.
Inventors
- 👤 Morooka Masashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:04
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/16; F01D25/166; F01D5/00; F01D5/12; F01D5/14; F01D5/16; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F05; F05D; F05D2220/00; F05D2220/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN EXHAUST GAS TURBINE SUPERCHARGER COMPRISING, IN COMBINATION, A TURBINE CASING; A COMPRESSOR CASING; A BEARING STAND INTERMEDIATE SAID CASINGS AND HAVING AT LEAST ONE UPWARDLY FACING SUBSTANTIALLY SEMICYLINDRICAL BEARING SUPPORT SECTION; BEARING STAND BEING SECURED AT ONE END TO ONE END OF SAID COMPRESSOR CASING AND SAID SUPPORT SECTIONS EXTENDING, IN CANTILEVER FASHION, FROM SAID ONE END OF SAID BEARING STAND; A FIRST SEMICYLINDRICAL BEARING SUPPORTED IN SAID SUPPORT SECTION; A SUBSTANTIALLY SEMICYLINDRICAL BEARING STAND COVER COMPLEMENTARY TO SAID SUPPORT SECTION AND DISENGAGEABLY SECURED TO SAID STAND; A SECOND SEICYLINDRICAL BEARING NESTED IN SAID COVER AND COMPLEMENTARY TO SAID FIRST SEMICYLINDRICAL BEARING TO FORM A COMPLETE BEARING; A SHAFT ROTATABLY SUPPORTED IN SAID BEARING AND EXTENDING INTO EACH OF SAID CASINGS; A TURBINE ROTOR SECURED TO SAID SHAFT WITHIN SAID TURBINE CASING; A COMPRESSOR ROTOR SECURED TO SAID SHAFT WITHIN SAID COMPRESSOR CASING; AND AN INTERMEDIATE FRAME INTERCONNECTING SAID CASINGS AND FORMED WITH ACCESS OPENINGS PROVIDING ACCESS TO SAID COVER AND SAID BEARING FOR REMOVAL, REPLACEMENT AND REPAIR THEREOF WITHOUT REMOVAL OF SAID INTERMEDIATE FRAME.
Claim 2
Dependent Claim
176 words
AN EXHAUST GAS TURBINE SUPERCHARGER COMPRISING, IN COMBINATION, A TURBINE CASING; A COMPRESSOR CASING; A BEARING STAND INTERMEDIATE SAID CASINGS AND HAVING AT LEAST ONE UPWARDLY FACING SUBSTANTIALLY SEMICYLINDRICAL BEARING SUPPORT SECTION; BEARING STAND BEING SECURED AT ONE END TO ONE END OF SAID COMPRESSOR CASING AND SAID SUPPORT SECTIONS EXTENDING, IN CANTILEVER FASHION, FROM SAID ONE END OF SAID BEARING STAND; A FIRST SEMICYLINDRICAL BEARING SUPPORTED IN SAID SUPPORT SECTION; A SUBSTANTIALLY SEMICYLINDRICAL BEARING STAND COVER COMPLEMENTARY TO SAID SUPPORT SECTION AND DISENGAGEABLY SECURED TO SAID STAND; A SECOND SEICYLINDRICAL BEARING NESTED IN SAID COVER AND COMPLEMENTARY TO SAID FIRST SEMICYLINDRICAL BEARING TO FORM A COMPLETE BEARING; A SHAFT ROTATABLY SUPPORTED IN SAID BEARING AND EXTENDING INTO EACH OF SAID CASINGS; A TURBINE ROTOR SECURED TO SAID SHAFT WITHIN SAID TURBINE CASING; A COMPRESSOR ROTOR SECURED TO SAID SHAFT WITHIN SAID COMPRESSOR CASING; AND AN INTERMEDIATE FRAME INTERCONNECTING SAID CASINGS AND FORMED WITH ACCESS OPENINGS PROVIDING ACCESS TO SAID COVER AND SAID BEARING FOR REMOVAL, REPLACEMENT AND REPAIR THEREOF WITHOUT REMOVAL OF SAID INTERMEDIATE FRAME.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |