Patent ID: 7227757

Claim:
An electronic control unit comprising: a connector having a lateral surface, a longitudinal surface opposite to the lateral surface, and a pair of first inclined portions connecting the lateral surface and longitudinal surface, at least one of said first inclined portions being inclined with respect to the lateral surface at a first angle; a case having a peripheral side portion formed with a concave groove in which the connector is fitted with a clearance portion there between, said concave groove comprising a base surface opposite to the lateral surface of the connector; and a pair of second inclined portions opposite to the first inclined portions, respectively, at least one of said second inclined portions opposite to the at least one of said first inclined portions being inclined with respect to the base surface at a second angle, said second angle being larger than the first angle; and a seal member disposed in the clearance portion between the connector and the concave groove of the case, said seal member sealing the clearance portion there between.