Patent ID: 7643304

Claim:
A filter apparatus connected to a wiring drawing portion of a power converter, said filter apparatus comprising: a condenser element having an electronic part having an insulator as a dielectric material held between metal plates; a sealing agent sealing said condenser element; a filter circuit comprising said condenser element; a connection conductor establishing wiring connections of said filter circuit; and a filter housing supporting said sealing agent, wherein the filter housing is provided with a fitting portion which is fitted to part of said power converter, and an apertural area opening facing said wiring drawing portion, said connection conductor is composed of flexible metal and has a terminal connected with said wiring drawing portion of said power converter through said apertural area, and the connection conductor on a side of an installation electric pole located on the opposite side having a nip at said terminal and said condenser element, and when connecting with said fitting portion, an earth electrode of the power converter and the connection conductor on the side of said earth electrode are connected.