Insulating material for enameled wire of motor of refrigeration

Details Insulating material for enameled wire of motor of refrigeration Insulating material for enameled wire of motor of refrigeration

1996-06-12

2000-12-26

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 88, 310179, 4284231, H02K 330, H02K 344, C08G 1802

Patent

active

061664669

ABSTRACT:
The present invention provides an insulating material for the enameled wire of a motor of a refrigeration compressor using hydrofluorocarbons as the refrigerant and, as the refrigerating machine oil, a synthetic lubricating oil having at least one ester bond in a molecule such as ester-modified polyoxyalkylene glycol type, ester-modified ether type or ester type, which insulating material contains a compound having at least one carbodiimide group.
This insulating material for the enameled wire of a motor of a refrigeration compressor, which is free from the above-mentioned problems of the prior art, which can prevent the surface deterioration or peeling (blister or cracking) etc. seen in the conventional insulating material used for covering the enameled wire (e.g. magnet wire) of a refrigeration compressor, caused by a mixture of the hydrofluorocarbons and the synthetic lubricating oil both used in the compressor, which invites neither insulation breakdown nor reduction in insulation and has improved resistances to said substitute flon and said synthetic lubricating oil, and which further can impart deterioration resistance to the synthetic lubricating oil.

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