VERTICALLY-MOUNTED HERMETIC COMPRESSOR AND AIR CONDITIONER

PROBLEM TO BE SOLVED: To provide a vertically-mounted hermetic compressor in which a temperature sensor can be easily installed and which controls an electronic expansion valve by detecting temperatures of a lubricant oil and a discharge pipe, well retains the lubricant oil in the compressor, and has high reliability, so as to solve the problems in a conventional compressor such as a high cost of a dilution ratio sensor having a low versatility, a low productivity in assembly, and a difficulty in installing a temperature sensor because a main body of the compressor is a cylindrical vessel, and to provide an air conditioner. SOLUTION: In the vertically-mounted hermetic compressor, a pipe-formed copper tube 26 is disposed on a sidewall of a lower part of a compressor 1 in which a compressor lower part-situated temperature detection sensor is installed. If a difference between a temperature detected by a discharge temperature detection sensor for detecting a discharge temperature and a temperature detected by the compressor lower part-situated temperature detection sensor for detecting the temperature of lubricant oil 24 exceeds a prescribed value, an electronic expansion valve reduces a flow rate, and a dilution ratio of the lubricant oil in the compressor is maintained low. COPYRIGHT: (C)2009,JPO&INPIT