Patent ID: 6498406
Filing Date: 2002-12-24
Classification: B60K,B60L,H01M,Y02E,Y02T

Abstract:
A power source comprising:a plurality of power modules; and a holding case, said power modules being arranged in a parallel manner in said holding case, said holding case including: a main inlet port on a first side of said holding case; an outlet port on a second side of said holding case; an air duct formed in said holding case between said inlet port and said outlet port so as to allow air to pass through said holding case to cool said power modules; a plurality of intermediate air inlets arranged along said air duct so as to allow air to enter into said air duct between said main inlet port and said outlet port; and a plurality of air-direction controlling protrusions extending from an inside surface of said holding case, each of said air-direction controlling protrusions having an end edge extending into a gap formed between adjacent power modules in said holding case, each of at least some of said air-direction controlling protrusions having one of said intermediate air inlets formed along said end edge thereof.