The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 29, 1989
Filed:
Nov. 16, 1987
Lawrence T Halstead, Milford, MI (US);
Williams International Corporation, Walled Lake, MI (US);
Abstract
A nozzle assembly for a turbine engine comprises an annular ceramic-matrix composite hub having integral radially outwardly extending vanes, and a pair of annular ceramic-matrix composite shrouds which interlockingly engage and secure the radially outermost ends of the vanes, whereby the hub is peripherally supported. The quasi-isotropic laminate structure of both hub and shroud materials generates like physical properties radially and circumferentially in the hub, and axially and circumferentially in the shrouds. Such quasi-isotropism in turn provides cooperative thermal expansion of the hub and shrouds during engine operation, whereby the radial, axial, and circumferential abutting surfaces of the ends of the vanes increasingly interlockingly engage with the correspondingly opposed surfaces of the shrouds to effect increased structural integrity of the nozzle assembly. The nozzle assembly is supported relative to the metallic engine mount therefor by a plurality of axially extending support beams circumferentially spaced about, and secured to, the periphery of the shrouds. The support beams accommodate the disparate radial thermal expansion between the ceramic and metallic components of the engine.