Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features
Patent
1997-09-05
1999-09-07
Sircus, Brian
Electricity: motive power systems
Positional servo systems
With protective or reliability increasing features
31856811, 31856824, 174 17GF, 7449003, 901 23, 901 43, 901 49, G05B 902, B25J 1100
Patent
active
059492090
ABSTRACT:
An electrically driven explosion-proof painting robot comprises a base having a first pressurized chamber, a rotary base having a second pressurized chamber, an inner arm having a third pressurized chamber and an outer arm having a fourth pressurized chamber. Each pressurized chamber is hermetically sealed and independently formed, can contain an electric motor connected with cables and is not in fluid communication with one another. Each pressurized chamber is supplied with pressurized air respectively by respective air pipes extending through the respective walls of the chambers. Each air pipe is made detectable its pressure respectively. An explosion-proof cable bundle housing cables and is shielded by a steel tube extend from the robot controller to the wall of the first pressurized chamber and from the first pressurized chamber other explosion-proof cable bundles extend in between the rest chambers through the respective walls of the rest chambers, to feed electric powers into the motors contained therein.
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Nakamura Naritoshi
Okamoto Hitoshi
Frank Robert J.
Nachi-Fujikoshi Corp.
Sircus Brian
LandOfFree
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