US Patent No. 10,194,548


Patent No. 10,194,548
Issue Date January 29, 2019
Title Electronic Control Device
Inventorship Shoho Ishikawa, Hitachinaka (JP)
Yoshio Kawai, Hitachinaka (JP)
Masato Saitou, Hitachinaka (JP)
Assignee Hitachi Automotive Systems, Ltd., Hitachinaka-shi (JP)

Claim of US Patent No. 10,194,548

1. An electronic control device, comprising:a housing which is joined by a plurality of members and of which a peripheral portion is configured by a plurality of sides;
a circuit board which is accommodated in an inside of the housing; and
a seal structure which is disposed on the peripheral portion along the sides, wherein
a liquid seal material is applied to the seal structure and cured so as to connect between the plurality of members, and
wherein a seal sectional area in an end portion of a side is smaller than that in a central portion of the side in the seal structure which is disposed on the side of the peripheral portion.