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.

Date of Patent:
Jan. 22, 1991

Filed:

Aug. 03, 1989
Applicant:
Inventors:

Alvin L Stock, Casselberry, FL (US);

John C Groenendaal, Jr, Winter Springs, FL (US);

Assignee:

Westinghouse Electric Corp., Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ; F01D / ; F03D / ; F04D / ;
U.S. Cl.
CPC ...
415066 ; 415 67 ; 415101 ; 415126 ; 4151821 ; 285157 ; 285179 ; 138155 ;
Abstract

In a steam turbine having a first turbine element adapted to receive a flow of steam for operating at a first predetermined pressure, the first turbine element including an exhaust protion, a second turbine element adapted to receive the flow of steam for operating at a second predetermined pressure that is relatively lower than the first predetermined pressure, the second turbine element including an inlet portion, a method and apparatus for connecting the inlet portion to the exhaust portion by crossover piping which includes a pair of vaneless turning subsections each of which have a substantially long radius of curvature.


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