Patent ID: 8454329
Filing Date: 2013-06-04
Classification: F04C,H01R,H02G,H02K

Abstract:
1. A sealed terminal device for a motor-driven compressor including a housing, and an electric motor and a compressing unit which are accommodated in the housing, comprising: a terminal holder to be attached to a wall of the housing and including internal and external holder half bodies which have electric insulation and sandwiching the wall; a plurality of sealed terminals held in said terminal holder, each sealed terminal penetrating the wall with play thereto and having both end portions to be electrically connected to the electric motor and an external device; seal members for sealing between the wall and said terminal holder and between said terminal holder and said sealed terminals, respectively; and an insulating element for increasing a degree of electric insulation between said sealed terminal and a surrounding thereof, wherein said insulating element includes an area formed in said terminal holder to increase a creepage distance for insulation of at least one of between said sealed terminals and between the wall and said sealed terminals, wherein said area includes a groove formed in an outer surface of said terminal holder, and extending between said sealed terminals, and wherein the groove extends in a radial direction of said terminal holder.