Power plants – Combustion products used as motive fluid
Patent
1996-01-25
1998-06-23
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
60 39281, 137 83, F02C 926
Patent
active
057688834
ABSTRACT:
A system and method for controlling fluid mass-flowrate are provided. One embodiment of the method of the present invention essentially comprises generating in response to a requested mass-fluid flowrate a torque for controlling a torque-controlled valve to provide a flow of fluid from a supply to a remote space. Angular momentum is imparted to the fluid flow related to the actual mass-flowrate of the fluid flow. The angular momentum of the fluid flow generates a feedback torque therewith for counter-acting the controlling torque. The feedback torque is summed with the controlling torque to reduce the controlling torque as a function of the feedback torque whereby to form a hydromechanical closed-loop mass-flowrate servo-valve.
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"Fuel-Metering Valve Design Innovations", Oct. 1993; pp. 1, 9; Aerospace Engineering.
Ametek Aerospace Products Inc.
Casaregola Louis J.
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