Title:
【発明の名称】光高温計
Document Type and Number:
Japanese Patent JP2563191
Kind Code:
B2
Abstract:
An optical pyrometer for a gas-trubine engine has a radiation receiving head located to view the blades of the engine and supply radiation from the blades to one end of a fibre-optic cable. At the other end of the cable there is mounted a detector comprising a cylindrical metal casing containing a photodiode and a signal conditioning circuit that amplifies the photodiode output. The output circuit is supplied to an electrical connector mounted on the casing. The detector can be mounted directly on the casing of a processing unit by mating its connector with an electrical connector fixed on the processing unit casing thereby avoiding the need for cables between the two casings. The connector on the detector has a flange that provides good thermal contact with the connector on the processing unit so as to help equalize the temperatures of the two casings. The processingunit casing is cooled by means of a thermal transfer unit supplied with liquid fuel. The processing unit has an electrical circuit that processes the output of the detector circuit and inputs from the sources to provide an output to an engine control unit.
Inventors:
RONARUDO ARUFURETSUDO MEISOMU
Application Number:
JP31116587A
Publication Date:
December 11, 1996
Filing Date:
December 10, 1987
Export Citation:
Assignee:
SMITHS INDUSTRIES PLC
International Classes:
G01J5/00; F02C7/00; G01J5/08; G01J5/10; G01J5/60; (IPC1-7): G01J5/02; F02C7/00; G01J5/08
Domestic Patent References:
| JP61069130B |
Attorney, Agent or Firm:
Soichi Takezawa