Patent US3209536A successfully refreshed from Google Patents.
US3209536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Re-expansion type gas turbine engine with intercooler fan driven by the low pressure turbine
Assignee: Ford Motor Co
•
Filing: 1960-04-04
•
Granted: 1965-10-05
•
Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Benjamin T Howes
- 👤 Ivan M Swatman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:16
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/12; F02C7/14; F02C7/141; F02C7/143; F02C3/00; F02C3/04; F02C3/10; F02C3/103; F02C6/00; F02C6/20; F02C7/08; F02C7/16; F02C7/18; F02C7/185; F02C7/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
221 words
A GAS TURBINE ENGINE COMPRISING A LOW PRESSURE SPOOL INCLUDING A COMPRESSOR AND A TURBINE, A HIGH PRESSURE SPOOL INCLUDING A COMPRESSOR AND A TURBINE, A POWER TURBINE, A BURNER CONNECTED TO SUPPLY MOTIVE FLUID TO SAID TURBINES, THE AXES OF SAID LOW PRESSURE SPOOL, SAID HIGH PRESSURE SPOOL, SAID POWER TURBINE AND SAID BURNER DEFINING A PLANE PASSING THROUGH SAID ENGINE, A FIRST RECUPERATOR CONNECTED BETWEEN THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND SAID BURNER AND BEING POSITIONED ON ONE SIDE OF SAID PLANE, A SECOND RECUPERATOR CONNECTED BETWEEN THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND SAID BURNER AND BEING POSITIONED SYMMETRICALLY ON THE OTHER SIDE OF SAID PLANE WITH RESPECT TO SAID FIRST RECUPERATOR, BOTH OF SAID RECUPERATORS BEING CONNECTED TO RECEIVE EXHAUST GASES FROM SAID POWER TURBINE AND THE TURBINE OF SAID LOW PRESSURE SPOOL, SAID RECUPERATORS CONTAINING MEANS FOR TRANSFERRING ENERGY FROM THE EXHAUST GASES TO THE COMPRESSED AIR, A FIRST INTERCOOLER CONNECTED BETWEEN THE COMPRESSOR OF SAID LOW PRESSURE SPOOL AND THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND BEING POSITIONED ON ONE SIDE OF SAID PLANE, A SECOND INTERCOOLER CONNECTED BETWEEN THE COMPRESSOR OF SAID LOW PRESSURE SPOOL AND THE COMPRESSOR OF SAID HIGH PRESSURE SPOOL AND BEING POSITIONED SYMMETRICALLY ON THE OTHER SIDE OF SAID PLANE WITH RESPECT TO THE FIRST INTERCOOLER.
References Cited (Backward Citations)
US2073191A
Cited
US2608054A
Cited
US2473356A
Cited
US2711074A
Cited
GB620983A
Cited
US2631427A
Cited
US2625012A
Cited
US2791091A
Cited
GB695891A
Cited
US2672010A
Cited
US2787886A
Cited
US2940257A
Cited
US2933886A
Cited
US2862356A
Cited
US2861421A
Cited
US2960825A
Cited
US2925954A
Cited
US2940660A
Cited
US2978869A
Cited
US3077074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |