JPH02139328U - - Google Patents
Info
- Publication number
- JPH02139328U JPH02139328U JP4883889U JP4883889U JPH02139328U JP H02139328 U JPH02139328 U JP H02139328U JP 4883889 U JP4883889 U JP 4883889U JP 4883889 U JP4883889 U JP 4883889U JP H02139328 U JPH02139328 U JP H02139328U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- outside air
- window
- air introduction
- predetermined temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
第１図は本考案の実施例の正面図、第２図は第
１図の外気導入用窓部の斜視図、第３図は第１図
の−断面図、第４図は通常運転温度における
スプリングの状態を示し、第５図は高温時におけ
るスプリングの状態を示す。第６図は第４図のＹ
矢視図である。
１…エンジン、４，５…サイドカバー、４〜８
…エンジンルーム、９…形状記憶合金製スプリン
グ。
Fig. 1 is a front view of the embodiment of the present invention, Fig. 2 is a perspective view of the outside air introduction window shown in Fig. 1, Fig. 3 is a cross-sectional view taken from Fig. 1, and Fig. 4 is a view at normal operating temperature. The state of the spring is shown, and FIG. 5 shows the state of the spring at high temperature. Figure 6 is Y in Figure 4.
It is an arrow view. 1...Engine, 4, 5...Side cover, 4-8
...Engine compartment, 9...Shape memory alloy spring.
Claims (1)
ーに外気導入用窓を設け、同窓に形状記憶合金製
スプリングを装着し、同スプリングの伸長開始温
度を通常の運転状態におけるエンジンルーム内空
気温度を越えた所定温度に設定し、同所定温度以
下では外気導入用窓が閉塞され、同所定温度以上
で外気導入用窓を介した空気の流動を可能にした
ことを特徴とする外気導入形低騒音エンジンサイ
ドカバー。 A window for introducing outside air is installed in the soundproof side cover installed surrounding the engine, and a shape memory alloy spring is attached to the window, and the temperature at which the spring begins to expand exceeds the air temperature in the engine room under normal operating conditions. A low-noise engine side of an outside air introduction type, characterized in that the outside air introduction window is set to a predetermined temperature, and when the temperature is below the predetermined temperature, the outside air introduction window is closed, and when the temperature is above the predetermined temperature, air can flow through the outside air introduction window. cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4883889U JPH02139328U (en) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4883889U JPH02139328U (en) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139328U true JPH02139328U (en) | 1990-11-21 |
Family
ID=31566006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4883889U Pending JPH02139328U (en) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139328U (en) |
-
1989
- 1989-04-27 JP JP4883889U patent/JPH02139328U/ja active Pending