公开(公告)号：US3623370A

公开(公告)日：1971-11-30

申请号：US3623370D

申请日：1970-01-27

Applicant: WESTON INSTRUMENTS INC

Inventor： BUSCH ROBERT E ,  FREEMAN ROBERT W ,  LUEDEMAN ROBERT T

IPC: G01K5/66 ,  G01K5/70 ,  G01K5/64 ,  G01K15/00

CPC classification number: G01K5/66 ,  G01K5/70 ,  Y10T29/4976

Abstract: A HIGH TEMPERATURE THERMOMETER EMPLOYING A BIMETALLIC TEMPERATURE SENSING ELEMENT ADJACENT ONE END OF A SEALED HOUSING. AN OXYGEN GETTER IS LOCATED ADJACENT THE BIMETAL ELEMENT THAT REMOVES FROM ATMOSPHERE WITHIN SAID SEALED HOUSING TRACE AMOUNTS OF OXYGEN. AN INDICATOR IS WITHIN SAID SEALED HOUSING REMOTE FROM THE BIMETALLIC ELEMENT AND A TEMPERATURE SCALE IS SECURED TO SAID HOUSING ADJACENT SAID INDICATOR. A FORCE TRANSMITTER IS CONNECTED BETWEEN THE BIMETALLIC ELEMENT AND INDICATOR TO MOVE SAID INDICATOR IN RESPONSE TO THERMAL EXPANSION OF SAID BIMETALLIC ELEMENT.