Title:
BEARING DEVICE AND TURBINE
Document Type and Number:
Japanese Patent JP2002147455
Kind Code:
A
Abstract:
To provide a bearing device capable of reducing the feed quantity of lubricating oil while favorably retaining the load capacity and provide a turbine capable of easily enlarging the capacity by enlarging the diameter of a rotor.
This bearing device 30 provided in a steam turbine 1 has a plurality of bearing pads 32 having bearing surfaces 34. The lubricating oil is fed to clearances between the respective bearing pads 32 and the rotors 12 and 25 from an oil feed nozzle 35 having a plurality of feed ports 36, 37a, 37b, 38a, and 38b disposed axially of the rotor 12. The opening of flow rate regulating valves V1-V3 are regulated via a control device 50 so as to vary the feed quantity among the feed ports 36-38b.
Inventors:
KAIKOGI TAKAAKI
YOSHIDA ZENICHI
YAMASHITA KAZUHIKO
OZAWA YUTAKA
YOSHIDA ZENICHI
YAMASHITA KAZUHIKO
OZAWA YUTAKA
Application Number:
JP2000339268A
Publication Date:
May 22, 2002
Filing Date:
November 07, 2000
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F01D25/00; F01D25/16; F01D25/18; F16C17/03; F16C33/10; (IPC1-7): F16C33/10; F01D25/00; F01D25/16; F01D25/18; F16C17/03
Attorney, Agent or Firm:
Hiroaki Sakai (1 person outside)