Title:
【発明の名称】炉に関する改良
Document Type and Number:
Japanese Patent JPH11502708
Kind Code:
A
Abstract:
PCT No. PCT/GB96/00728 Sec. 371 Date Dec. 15, 1997 Sec. 102(e) Date Dec. 15, 1997 PCT Filed Mar. 27, 1996 PCT Pub. No. WO96/29876 PCT Pub. Date Oct. 3, 1996A tunnel oven contains a plurality of transversely extending radiant heating elements 17, 18 arranged at intervals along the length of the oven 1, the oven 1 being provided with conveyor band 10 for transporting material to be heated through the oven radiant heating elements 17, 18 supplying thermal energy, a sensing tube 31, 32 which extends within the oven 1 over a part of the length of the oven 1 that contains at least two radiant heating elements 17 or 18 that are spaced from each other along the length of the oven 1, the sensing tube 31 or 32 being arranged to absorb radiation from the said at least two heating elements 17 or 18 with pump 34 for causing a liquid to flow through the sensing tube 31 or 32 at a controlled rate with thermocouple junctions 35, 36 for producing a signal that provides a measure of the temperature increase of the liquid resulting from its passage through the sensing tube 31, 32 within the oven, and control means 29, 30 and with processor 29 and valve controller 30 arranged to control the rate of emission of radiant heat by a radiant heating element or elements 17, 18 in accordance with the signal.
Inventors:
Shaw, Simon Henry
Robert Mitchell, Rolleston
Robert Mitchell, Rolleston
Application Number:
JP52907396A
Publication Date:
March 09, 1999
Filing Date:
March 27, 1996
Export Citation:
Assignee:
United Bisquitts Limited
International Classes:
A21B1/40; A21B1/48; F26B15/18; (IPC1-7): A21B1/48; F26B15/18
Attorney, Agent or Firm:
Akira Asamura (3 outside)