US3172260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine engine
Assignee: Continental Motors Corp
•
Filing: 1961-11-13
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Granted: 1965-03-09
•
Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Chute Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:11
CPC Classifications
F; F02; F02C; F02C3/00; F02C3/04; F02C3/08; F02C3/085; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A GAS TURBINE ENGINE COMPRISING (A) A SHAFT AND MEANS ROTATABLY SUPPORTING SAID SHAFT, (B) A COMPRESSOR UNIT CARRIED AT ONE END OF SAID SHAFT, (C) A TURBINE UNIT CARRIED AT THE OTHER END OF SAID SHAFT, (D) MEANS PROVIDING COMMUNICATION BETWEEN SAID COMPRESSOR UNIT AND SAID TURBINE UNIT, (E) A BURNER DISPOSED IN SAID COMMUNICATING MEANS INTERMEDIATE SAID COMPRESSOR UNIT AND SAID TURBINE UNIT, (F) SAID COMPRESSOR UNIT COMPRISING, A TOROIDAL AIR PASSAGE OF SPIRAL CROSS-SECTION EXTENDING COAXIALLY ABOUT SAID SHAFT, FIRST AND SECOND COMPRESSOR WHEELS ARRANGED IN BACK-TO-BACK RELATION WITH THEIR RESPECTIVE VANES SPACED ALONG SAID PASSAGE, AN AIR INLE AT THE OUTER END OF SAID SPIRAL ENCOMPASSING SAID SHAFT AND DELIVERING AIR TO SAID FIRST WHEEL, SAID FIRST WHEEL THEN DELIVERING THE AIR TO SAID SECOND WHEEL, AND AN AIR OUTLET AT THE INNER END OF SAID SPIRAL RECEIVING AIR FROM SAID SECOND WHEEL AND DELIVERING IT TO SAID COMMUNICATING MEANS.
Claim 2
Dependent Claim
154 words
A GAS TURBINE ENGINE COMPRISING (A) A SHAFT AND MEANS ROTATABLY SUPPORTING SAID SHAFT, (B) A COMPRESSOR UNIT CARRIED AT ONE END OF SAID SHAFT, (C) A TURBINE UNIT CARRIED AT THE OTHER END OF SAID SHAFT, (D) MEANS PROVIDING COMMUNICATION BETWEEN SAID COMPRESSOR UNIT AND SAID TURBINE UNIT, (E) A BURNER DISPOSED IN SAID COMMUNICATING MEANS INTERMEDIATE SAID COMPRESSOR UNIT AND SAID TURBINE UNIT, (F) SAID COMPRESSOR UNIT COMPRISING, A TOROIDAL AIR PASSAGE OF SPIRAL CROSS-SECTION EXTENDING COAXIALLY ABOUT SAID SHAFT, FIRST AND SECOND COMPRESSOR WHEELS ARRANGED IN BACK-TO-BACK RELATION WITH THEIR RESPECTIVE VANES SPACED ALONG SAID PASSAGE, AN AIR INLE AT THE OUTER END OF SAID SPIRAL ENCOMPASSING SAID SHAFT AND DELIVERING AIR TO SAID FIRST WHEEL, SAID FIRST WHEEL THEN DELIVERING THE AIR TO SAID SECOND WHEEL, AND AN AIR OUTLET AT THE INNER END OF SAID SPIRAL RECEIVING AIR FROM SAID SECOND WHEEL AND DELIVERING IT TO SAID COMMUNICATING MEANS.
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |