Title:
AXIAL-FLOW STEAM TURBINE
Document Type and Number:
Japanese Patent JPS58167802
Kind Code:
A
Abstract:
An axial-admission steam turbine, includes a steam inflow region, guide vane rings including a first guide vane ring, guide vanes of the first guide vane ring having radially inner ends, a shaft being rotatable in a given direction, an annular shaft shield being connected to the radially inner ends of the guide vanes of the first guide vane ring and being disposed in vicinity of the steam inflow region, the annular shaft shield surrounding the shaft at a distance defining a ring canal therebetween, the annular shaft shield having nozzles formed therein for discharging into the ring canal tangentially relative to the shaft as seen in the given direction of rotation of the shaft.
Inventors:
HERUBERUTO KERAA
Application Number:
JP4208283A
Publication Date:
October 04, 1983
Filing Date:
March 14, 1983
Export Citation:
Assignee:
KRAFTWERK UNION AG
International Classes:
F01D3/02; F01D5/08; F01D25/08; F01D25/12; (IPC1-7): F01D5/08
Domestic Patent References:
| JPS5619443A | 1981-02-24 |
Attorney, Agent or Firm:
Iwao Yamaguchi