Title: Seal arrangement for turbine diaphragms and the like

Abstract: An arrangement for sealing the joints formed between the facing ends of turbine stator segments arranged in an annular array to form a turbine diaphragm is disclosed, the arrangement basically consisting of seal strips formed by at least two bimetal ribbons fastened along their longitudinal centerlines and adapted to deflect away from each other with increasing temperatures, the opposite edges of the strips being disposed in grooves in the facing ends of the stator segments.

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Inventors: Kalkbrenner, Ralph W. (Hempfield Township, PA, US)

Application Number: 615853
Filing Date: 1975-09-23
Publication_date: 1976-08-17
Assignee: Westinghouse Electric Corporation (Pittsburgh, PA)
Primary Class(es): 415/210.1 277/643, 277/654, 277/932, 415/136, 415/138, 415/208.2, 415/209.2
Other Classes:
US Patent Ref:

1857961	May, 1932	Lamb	277/26.
3146992	Sep, 1964	Farrell	277/26.
3393894	Jul, 1968	Redsell	415/217.
3519366	Jul, 1970	Campbell	415/138.
3542483	Nov, 1970	Gagliardi	415/217.
3728041	Apr, 1973	Bertelson	415/217.
3752598	Aug, 1973	Bowers et al.	415/173.
3892497	Jul, 1975	Gunderlock et al.	415/217.

Other Refs:
Primary Examiner: Raduazo, Henry F.
Assistant Examiner:
Attorney: Arenz; E. C.