JPH0158319U - - Google Patents
Info
- Publication number
- JPH0158319U JPH0158319U JP15486287U JP15486287U JPH0158319U JP H0158319 U JPH0158319 U JP H0158319U JP 15486287 U JP15486287 U JP 15486287U JP 15486287 U JP15486287 U JP 15486287U JP H0158319 U JPH0158319 U JP H0158319U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- sunroof
- cavity
- type silencer
- helmholtz type
- 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
- 230000003584 silencer Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Body Structure For Vehicles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
第１図ないし第５図は本考案の一実施例を示し
、第１図は第３図の―線断面図、第２図はヘ
ルムホルツ消音器の空室の模式図、第３図はサン
ルーフを開いた状態の車両の斜視図、第４図は車
速―ウインドスロツブ関係グラフ、第５図はヘル
ムホルツ消音器の模式図、第６図は本考案の第２
の実施例における第１図と同様な断面図、第７図
は本考案の第３の実施例におけるヘルムホルツ消
音器の空室の模式図、第８図はウインドスロツブ
が発生するときの空気流とサンルーフ開口部との
関係を示す縦断面図、第９図はウインドデフレク
タが設置された場合の第８図と同様な縦断面図で
ある。
３：微小渦、４：空気流、６：デフレクタ、７
：車両、８：開口部、９：空室、１２：前端部分
、１３：穴、１４：開口、１８：付属の空室、１
９：フロントピラー、２０：センタピラー。
Figures 1 to 5 show one embodiment of the present invention, Figure 1 is a sectional view taken along the line - - in Figure 3, Figure 2 is a schematic diagram of the empty chamber of the Helmholtz silencer, and Figure 3 shows the sunroof. A perspective view of the vehicle in an open state, Figure 4 is a graph of the relationship between vehicle speed and windthrob, Figure 5 is a schematic diagram of the Helmholtz silencer, and Figure 6 is the second example of the present invention.
FIG. 7 is a schematic diagram of the empty chamber of the Helmholtz muffler in the third embodiment of the present invention, and FIG. 8 shows the air flow when wind throttling occurs. FIG. 9 is a vertical cross-sectional view showing the relationship between the wind deflector and the sunroof opening, and FIG. 9 is a vertical cross-sectional view similar to FIG. 8 when a wind deflector is installed. 3: Microvortex, 4: Air flow, 6: Deflector, 7
: Vehicle, 8: Opening, 9: Vacant room, 12: Front end part, 13: Hole, 14: Opening, 18: Vacant room attached, 1
9: Front pillar, 20: Center pillar.
Claims (1)
室が形成されるとともに該空室から外に伸び車室
外の空気流に対して開口する穴が上記開口部の前
端部分に形成されて、該空室と該穴とでヘルムホ
ルツ型消音器が構成されており、該ヘルムホルツ
型消音器の空気振動周波数は上記サンルーフの開
口部前端近傍にて発生する微小渦に起因する空気
振動の周波数と同じになるよう設定されたことを
特徴とするサンルーフにおけるウインドスロツブ
防止構造。 A cavity is formed at least in the peripheral edge of the opening of the sunroof, and a hole extending outward from the cavity and opening to the airflow outside the vehicle interior is formed in the front end of the opening. A Helmholtz type silencer is configured with the hole, and the air vibration frequency of the Helmholtz type silencer is set to be the same as the frequency of air vibrations caused by micro vortices generated near the front end of the sunroof opening. A wind slot prevention structure in a sunroof, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15486287U JPH0158319U (en) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15486287U JPH0158319U (en) | 1987-10-09 | 1987-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0158319U true JPH0158319U (en) | 1989-04-12 |
Family
ID=31431972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15486287U Pending JPH0158319U (en) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0158319U (en) |
-
1987
- 1987-10-09 JP JP15486287U patent/JPH0158319U/ja active Pending
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