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 ha...
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| creator | KANZAKI HIDEYUKI |
| description | 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 |
| format | Patent |
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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. 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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</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_JP2009216026A |
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| subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
| title | VERTICALLY-MOUNTED HERMETIC COMPRESSOR AND AIR CONDITIONER |
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