Steam turbine and method for the production of such a steam...

Details Steam turbine and method for the production of such a steam... Steam turbine and method for the production of such a steam...

2007-01-23

2007-01-23

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

Casing and spaced housing with space vented to working fluid

C415S214100, C415S215100

Reexamination Certificate

active

10987694

ABSTRACT:
A steam turbine including a rotor rotatable about an axis and a casing concentrically surrounding the rotor. A reduction in the starting times and reduced production costs may be achieved in that the casing includes a high-mass hollow-cylindrical basic carrier and a plurality of shells concentrically surrounding the basic carrier. The shells are each produced from a bent metal sheet and interspaces capable of being filled with steam are defined between adjacent ones of the plurality of shells.

REFERENCES:
patent: 3773431 (1973-11-01), Bellati et al.
patent: 5695317 (1997-12-01), Ritter
patent: 6315520 (2001-11-01), Haje et al.
patent: 420 755 (1925-10-01), None
patent: 1 708 011 (1971-04-01), None
patent: 43 10 773 (1994-10-01), None
patent: 0 952 311 (1999-10-01), None
patent: 230843 (1925-03-01), None

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