JPS63198939U - - Google Patents
Info
- Publication number
- JPS63198939U JPS63198939U JP9088587U JP9088587U JPS63198939U JP S63198939 U JPS63198939 U JP S63198939U JP 9088587 U JP9088587 U JP 9088587U JP 9088587 U JP9088587 U JP 9088587U JP S63198939 U JPS63198939 U JP S63198939U
- Authority
- JP
- Japan
- Prior art keywords
- air passage
- valve stop
- main air
- valve
- ventilation box
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
- Ventilation (AREA)
Description
第１図はこの考案の一実施例の断面図、第２図
はその動作説明図、第３図は換気装置の提案例の
通気状態の断面図、第４図はその非通気状態の断
面図である。
１……第１の弁止め部、２……第２の弁止め部
、３……主風路、４……副風路、５……換気ボツ
クス、６……弁体。
Fig. 1 is a sectional view of an embodiment of this invention, Fig. 2 is an explanatory diagram of its operation, Fig. 3 is a sectional view of the proposed example of the ventilation device in a ventilated state, and Fig. 4 is a sectional view of the proposed example of the ventilation device in its non-ventilated state. It is. DESCRIPTION OF SYMBOLS 1... First valve stop part, 2... Second valve stop part, 3... Main air path, 4... Sub air path, 5... Ventilation box, 6... Valve body.
Claims (1)
有する主風路およびこの主風路の前記第１の弁止
め部の上手側と両弁止め部の間とに連通した副風
路を有する換気ボツクスと、前記両弁止め部の間
で前記主風路内に風圧により移動自在に収容され
て前記第２の弁止め部に止められた位置で前記主
風路を閉じる弁体と、この弁体を前記第１の弁止
め部側に付勢する付勢手段とを備えた換気装置。 A main air passage having first and second valve stop parts separated in the flow direction, and a sub air passage communicating between an upper side of the first valve stop part of the main air passage and both valve stop parts. a ventilation box having a ventilation box; a valve body that is movably housed in the main air passage by wind pressure between the two valve stop parts and closes the main air passage at a position stopped by the second valve stop part; and urging means for urging the valve body toward the first valve stop portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9088587U JPS63198939U (en) | 1987-06-12 | 1987-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9088587U JPS63198939U (en) | 1987-06-12 | 1987-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198939U true JPS63198939U (en) | 1988-12-21 |
Family
ID=30951165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9088587U Pending JPS63198939U (en) | 1987-06-12 | 1987-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198939U (en) |
-
1987
- 1987-06-12 JP JP9088587U patent/JPS63198939U/ja active Pending
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