Patent US4609809A successfully refreshed from Google Patents.
Patent US3203175A successfully refreshed from Google Patents.
US3203175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of operation of a steam-gas circuit or of a gas circuit for gas turbines comprising a combustion chamber for solid fuel
Assignee: Individual
•
Filing: 1962-07-31
•
Granted: 1965-08-31
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Michalicka Ladislav
- 👤 Limpouch Bohuslav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:02
CPC Classifications
F; F01; F01K; F01K23/00; F01K23/02; F01K23/06; F01K23/08; F02; F02C; F02C3/00; F02C3/20; F02C3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF OPERATING A GAS TURBINE WHICH COMPRISES: (A) FEEDING A SLOID FUEL AND AIR UNDER PRESSURE HIGHER THAN ATMOSPHERIC PRESSURE TO A COMBUSTION ZONE; (B) BURNING SAID FUEL WITH SAID AIR IN SAID ZONE, WHEREBY A HOT GAS OF COMBUSTION HAVING SOLID MATERIAL SUSPENDED THEREIN IS FORMED; (C) COOLING SAID GAS AND THE SUSPENDED MATERIAL TO A LOWER TEMPREATURE; (D) SEPERATING THE SUSPENDED MATERIAL FROM THE COOLED (E) HEATING THE SEPARATED GAS FIRST BY HEAT EXCHANGE WITH AN EXPANDED GAS AND THEREAFTER BY HEAT EXCHANGE WITH SAID HOT GAS OF COMBUSTION, WHEREBY SAID HOT GAS OF COMBUSTION IS COOLED TO SAID LOWER TEMPREATURE, SAID HIGHER PRESSURE BEING MAINTAINIED DURING SAID BURNING, SAID COOLING, SAID SEPARATING, AND SAID HEATING; AND (F) EXPANDING SAID HEATED GAS IN A GAS TURBINE, WHEREBY SAID TURBINE IS DRIVEN, AND THE EXPANDED GAS FOR SAID HEAT EXCHANGE WITH SAID SEPERATED GAS IS OBTAINED.
Claim 2
Independent Claim
149 words
A METHOD OF OPERATING A GAS TURBINE WHICH COMPRISES: (A) FEEDING A SLOID FUEL AND AIR UNDER PRESSURE HIGHER THAN ATMOSPHERIC PRESSURE TO A COMBUSTION ZONE; (B) BURNING SAID FUEL WITH SAID AIR IN SAID ZONE, WHEREBY A HOT GAS OF COMBUSTION HAVING SOLID MATERIAL SUSPENDED THEREIN IS FORMED; (C) COOLING SAID GAS AND THE SUSPENDED MATERIAL TO A LOWER TEMPREATURE; (D) SEPERATING THE SUSPENDED MATERIAL FROM THE COOLED (E) HEATING THE SEPARATED GAS FIRST BY HEAT EXCHANGE WITH AN EXPANDED GAS AND THEREAFTER BY HEAT EXCHANGE WITH SAID HOT GAS OF COMBUSTION, WHEREBY SAID HOT GAS OF COMBUSTION IS COOLED TO SAID LOWER TEMPREATURE, SAID HIGHER PRESSURE BEING MAINTAINIED DURING SAID BURNING, SAID COOLING, SAID SEPARATING, AND SAID HEATING; AND (F) EXPANDING SAID HEATED GAS IN A GAS TURBINE, WHEREBY SAID TURBINE IS DRIVEN, AND THE EXPANDED GAS FOR SAID HEAT EXCHANGE WITH SAID SEPERATED GAS IS OBTAINED.
References Cited (Backward Citations)
FR999019A
Cited
US730782A
Cited
US2446388A
Cited
US2401285A
Cited
US2699039A
Cited
GB642215A
Cited
GB663398A
Cited
US3002347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |