JPH035045U - - Google Patents
Info
- Publication number
- JPH035045U JPH035045U JP6654589U JP6654589U JPH035045U JP H035045 U JPH035045 U JP H035045U JP 6654589 U JP6654589 U JP 6654589U JP 6654589 U JP6654589 U JP 6654589U JP H035045 U JPH035045 U JP H035045U
- Authority
- JP
- Japan
- Prior art keywords
- chimney
- diameter
- holes
- sectional area
- peripheral wall
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Building Environments (AREA)
Description
第１図はこの考案の煙突の一部縦断面図。 図中、１……煙突、２……孔。 Figure 1 is a partial vertical sectional view of the chimney of this invention. In the diagram, 1... chimney, 2... hole.
Claims (1)
０以下の径の孔を多数個設けた逆風止め煙突。 (2) 煙突の周壁に、煙突の径の少なくとも１／
１０以下の径の孔を、孔の断面積と孔の数との積
の１／２の数値が煙突の断面積の数値に等しいよ
うに多数個設けた逆風止め煙突。[Scope of claim for utility model registration] (1) At least 1/1 of the diameter of the chimney on the peripheral wall of the chimney
A backflow prevention chimney with many holes with a diameter of 0 or less. (2) At least 1/1/2 of the diameter of the chimney on the peripheral wall of the chimney.
A backflow prevention chimney having a large number of holes with a diameter of 10 or less so that 1/2 of the product of the cross-sectional area of the hole and the number of holes is equal to the cross-sectional area of the chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6654589U JPH035045U (en) | 1989-06-06 | 1989-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6654589U JPH035045U (en) | 1989-06-06 | 1989-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH035045U true JPH035045U (en) | 1991-01-18 |
Family
ID=31599342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6654589U Pending JPH035045U (en) | 1989-06-06 | 1989-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH035045U (en) |
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1989
- 1989-06-06 JP JP6654589U patent/JPH035045U/ja active Pending