Title:
蒸気タービンのケーシングに使用する断熱層及び蒸気タービン
Document Type and Number:
Japanese Patent JP4563399
Kind Code:
B2
Abstract:
The heat insulation layer (7) is used in one component, e.g. a valve housing (34) of a steam turbine, which is next to a second component, e.g. a housing cover (37), to adjust, esp. even out, differing deformation behavior of the components, esp. between room and operational temperatures, to reduce radial and/or axial tolerances. The first component is subject to e heat differential of at least 200[deg]C. The heat insulation layer is used for a steam inlet section of a turbine, which is next to a blade section, a turbine housing, a valve housing unit (31), a turbine blade, or for a component consisting of a main material, e.g. iron/nickel/cobalt alloy. The heat insulation layer consists at least partially, pref. completely, of zirconium oxide (Zr02), or titanium oxide (Ti02). An intermediate protection layer below the heat insulation is a MCrAlX layer, with M being an element from the group nickel, cobalt, and esp. iron, and X being yttrium and/or silicon and/or at least one of the rare earth.
More Like This:
Inventors:
Schmidz, Fleethelm
Vikhard, Kai
Vikhard, Kai
Application Number:
JP2006543433A
Publication Date:
October 13, 2010
Filing Date:
December 01, 2004
Export Citation:
Assignee:
Siemens Aktiengesellschaft
International Classes:
F01D25/24; C23C28/00; C23C30/00; F01D5/28; F01D9/04; F01D11/18; F01D17/10; F01D25/00; F01D25/14
Domestic Patent References:
| JP2301604A | ||||
| JP2001521990A | ||||
| JP8254530A | ||||
| JP2004169562A | ||||
| JP2002069607A |
Foreign References:
| EP1247941A1 | ||||
| GB643792A |
Attorney, Agent or Firm:
Iwao Yamaguchi
Hiroshi Yamamoto
Hiroshi Yamamoto