Electronic Control Unit
AssigneeHitachi Astemo, Ltd.
InventorsRyo AKIBA, Yoshio KAWAI
Life of this patent
Estimating the term…
Abstract
Provided is an electronic control unit that can be used even in a mounting environment causing severe salt damage. In order to achieve the above-described object, in an electronic control unit according to the present invention, a minimum distance between a wall and a respiratory filter is set to be 3 mm or more.
Claims13
An electronic control unit comprising a circuit board on which an electronic component is mounted, a metal case in which the board is accommodated, and a respiratory filter fixed to the case,
- wherein the case has a wall, and a minimum distance between the wall and the respiratory filter is 3 mm or more.
An electronic control unit comprising a circuit board on which an electronic component is mounted, a metal case in which the board is accommodated, and a respiratory filter fixed to the case,
- wherein the case has a wall, and
- a minimum distance between the respiratory filter and the wall is (0.2γLG cos θ)1/2 or more, where θ is a contact angle of salt water when dropped and γLG is a surface tension acting on the salt water.
Dependencies are inferred from the claim text.