JPH01116554U

JPH01116554U -

Info

Publication number: JPH01116554U
Application number: JP1037788U
Authority: JP
Priority date: 1988-01-28
Filing date: 1988-01-28
Publication date: 1989-08-07

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例によるモータカバ
ー装置を示す断面側面図、第２図はその自動開閉
窓部分の詳細図、第３図はこの考案の他の実施例
を示す自動開閉窓部分の断面側面図、第４図はこ
の考案のもう一つの他の実施例を示す自動開閉窓
部分の正面図、第５図は従来のモータカバー装置
を示す断面側面図である。図中、１はモータ、２は冷却用ブロア、３はブ
ロア用モータ、４はモータカバー、５は吸気ダク
ト、６はモータ排気口、７は開口、８は自動開閉
窓、９は形状記憶合金製金具、１０は形状記憶合
金製コイル、１１は形状記憶合金製ねじりバネ、
１２は排気口である。尚、図中同一符号は同一ま
たは相当部分を示す。 Fig. 1 is a cross-sectional side view showing a motor cover device according to one embodiment of this invention, Fig. 2 is a detailed view of its automatic opening/closing window portion, and Fig. 3 is an automatic opening/closing window portion showing another embodiment of this invention. 4 is a front view of an automatic opening/closing window portion showing another embodiment of this invention, and FIG. 5 is a sectional side view showing a conventional motor cover device. In the figure, 1 is the motor, 2 is the cooling blower, 3 is the blower motor, 4 is the motor cover, 5 is the intake duct, 6 is the motor exhaust port, 7 is the opening, 8 is the automatic opening/closing window, 9 is the shape memory alloy Metal fittings, 10 a shape memory alloy coil, 11 a shape memory alloy torsion spring,
12 is an exhaust port. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

In a motor equipped with a cover that covers the area around the motor, an opening provided in a part of the cover is provided with an automatic opening/closing window to which a shape memory alloy member is attached, and the shape memory alloy member opens and closes due to changes in internal temperature. A motor cover device characterized in that the automatic opening/closing window expands and contracts to open and close the opening.