Electric compressor with integral inverter

Abstract

An electric compressor provided with an integral inverter, incorporated with a motor and provided in a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive circuit are coated at an assembly-completed state with a resin material at a predetermined thickness by, for example, pouring of a liquid resin and draining of excess resin. In the electric compressor, a resin coating structure of the motor drive circuit is simplified, is easily coated with resin, is reduced in weight by reducing the amount of resin, and is reduced in cost.

1 . An electric compressor with an integral inverter, incorporated with a motor and provided in a compressor housing with a motor drive circuit that includes said inverter, characterized in that at least some of electric parts including said motor drive circuit are coated at an assembly-completed state with a resin material at a predetermined thickness. 
   
   
       2 . The electric compressor with an integral inverter according to  claim 1 , wherein said at least some of electric parts including said motor drive circuit are provided in said compressor housing so as to enable heat exchange with refrigerant sucked as fluid to be compressed. 
   
   
       3 . The electric compressor with an integral inverter according to  claim 1 , wherein said at least some of electric parts including said motor drive circuit are coated by pouring a liquid resin material. 
   
   
       4 . The electric compressor with an integral inverter according to  claim 1 , wherein said at least some of electric parts including said motor drive circuit are coated under a residual heat condition after heating. 
   
   
       5 . The electric compressor with an integral inverter according to  claim 1 , wherein said resin material is a thermosetting resin. 
   
   
       6 . The electric compressor with an integral inverter according to  claim 1 , wherein said predetermined thickness in coating is 0.2 mm or more. 
   
   
       7 . The electric compressor with an integral inverter according to  claim 1 , wherein said electric parts including said motor drive circuit are mounted in said compressor, and coating is performed after a lid member protecting said electric parts has been attached to said compressor housing. 
   
   
       8 . The electric compressor with an integral inverter according to  claim 1 , wherein said electric compressor is a compressor used in an air conditioning system for vehicles.