Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1990-06-21
1992-07-14
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60746, F02C 948
Patent
active
051292220
ABSTRACT:
A fuel and air control system (10, 100) for a power unit which produces output power from a turbine which rotates in response to pressurized gas provided by a combustor (12) which combusts fuel which is injected into the combustor by a primary fuel injector (14) to produce the pressurized gas cooled by fuel injected into the combustor by a secondary fuel injector (16) in accordance with the invention includes a fuel control valve (30) coupled to a source of fuel which controls a combined fuel flow through a fuel flow path (32) from the control valve to the injectors in response to a fuel flow control signal; an air control valve (44) coupled to an air source which controls a mass flow of air through an airflow path to the combustor in response to an airflow control signal; and a controller (34), providing the control signals, for causing the valves to produce flows resulting in a constant air/fuel ratio in the combustor during combustion when the fuel flow and air flow are varied under control of the controller.
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patent: 5031389 (1991-07-01), Lampe et al.
Lampe Steven W.
Schuh Paul A.
Casaregola Louis J.
Sundstrand Corporation
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