US Patent No. 10,189,135

MOTOR DRIVE DEVICE CAPABLE OF NOTIFYING ADHESION OF CUTTING FLUID


Patent No. 10,189,135
Issue Date January 29, 2019
Title Motor Drive Device Capable Of Notifying Adhesion Of Cutting Fluid
Inventorship Yuuki Kumamoto, Minamitsuru-gun (JP)
Yasuyuki Matsumoto, Minamitsuru-gun (JP)
Kiichi Inaba, Minamitsuru-gun (JP)
Naoki Masuda, Minamitsuru-gun (JP)
Assignee FANUC CORPORATION, Yamanashi (JP)

Claim of US Patent No. 10,189,135

1. A motor drive device comprising:an electronic component; and
a casing which houses the electronic component,
wherein at least a part of an outer surface of the casing includes a base material mixed with a color changing substance that discolors when contacting a cutting fluid.