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Patent Searching and Data


Title:
CONTROL DEVICE AND METHOD FOR HOIST
Document Type and Number:
WIPO Patent Application WO/2011/040636
Kind Code:
A1
Abstract:
Disclosed is a control device for a hoist, by which the life of the brake of a hoisting device can be easily determined. A time setting unit sets the time between the start of a double winding induction motor and the braking release of the brake, and the time between the braking start of the brake and the stop of the double winding induction motor according to the time between the start of the double winding induction motor and the generation of torque. A time changing unit can detect either 50 Hz or 60 Hz of the power supply frequency of power supply to change at least one of the time between the start of the double winding induction motor and the braking release of the brake, or the time between the stop of the drive of the brake and the stop of the double winding induction motor with the power supply frequency of the power supply.

Inventors:
MARUNO, Masaharu (1-1-1 Imajukuhigashi, Nishi-ku, Fukuoka-sh, Fukuoka 92, 〒8190192, JP)
丸野 正晴 (〒92 福岡県福岡市西区今宿東1丁目1番1号 三菱電機FA産業機器株式会社内 Fukuoka, 〒8190192, JP)
MATSUO, Daisuke (1-1-1 Imajukuhigashi, Nishi-ku, Fukuoka-sh, Fukuoka 92, 〒8190192, JP)
Application Number:
JP2010/067492
Publication Date:
April 07, 2011
Filing Date:
September 29, 2010
Export Citation:
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Assignee:
Mitsubishi Electric FA Industrial Products Corporation (1-1-1, Imajukuhigashi Nishi-ku, Fukuoka-sh, Fukuoka 92, 〒8190192, JP)
三菱電機FA産業機器株式会社 (〒92 福岡県福岡市西区今宿東1丁目1番1号 Fukuoka, 〒8190192, JP)
KITO CORPORATION (2000, Tsuijiarai Showa-cho, Nakakoma-gu, Yamanashi 53, 〒4093853, JP)
株式会社キトー (〒53 山梨県中巨摩郡昭和町築地新居2000 Yamanashi, 〒4093853, JP)
MARUNO, Masaharu (1-1-1 Imajukuhigashi, Nishi-ku, Fukuoka-sh, Fukuoka 92, 〒8190192, JP)
International Classes:
B66D1/46; H02P3/04
Foreign References:
JPS59124690A
JPH03111397A
JPH05319788A
JP2001151473A
JPH0336197A
JPS49124515A
Other References:
See also references of EP 2484625A1
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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