Title: Fluid valve with wide temperature range

Abstract: A fluid valve suitable for either metering or pressure regulating fluids at various temperatures is provided for a fuel system as may be utilized in an aircraft gas turbine engine. The valve includes a ceramic or carbon pad which cooperates with a window in a valve plate to provide a variable area orifice which remains operational during large and sometimes rapid variations in temperature incurred from the use of different fuels.

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Inventors: Kast, Howard Berdolt (Fairfield, OH, US)

Application Number: 486471
Filing Date: 1974-07-08
Publication_date: 1976-01-27
Assignee: The United States of America as represented by the United States (Washington, DC)
Primary Class(es): 137/625.3 137/625.31, 251/77, 251/335.3, 251/368
Other Classes:
US Patent Ref:

1315741	Sep, 1919	Pranold	137/625.
3331396	Jul, 1967	Willis	137/625.
3480037	Nov, 1969	Alexande, Jr.	251/208.
3683965	Aug, 1972	McClure et al.	137/625.
3831621	Aug, 1974	Anthony et al.	137/625.

Other Refs:
Primary Examiner: Rosenthal, Arnold
Assistant Examiner:
Attorney: Johnson, Jr.; James W., Lawrence; Derek P.