Document Type and Number:
Japanese Patent JPS618669
Kind Code:
B2
Abstract:
PURPOSE:To eliminate faults of a solenoid pump caused by local concentration of stress and fatigue, by equalizing the temperatures of the pump's duct and other pipe system through detecting their pre-heating temperatures and automatically changing the power variable elements by the differential polarity.
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Inventors:
NANBA MASANAO
Application Number:
JP35477A
Publication Date:
March 15, 1986
Filing Date:
January 07, 1977
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
B22D37/00; G21D5/08; H02K44/06
Next Patent: 油圧ポンプのシリンダブロックポート