JPH0163798U - - Google Patents
Info
- Publication number
- JPH0163798U JPH0163798U JP1987160333U JP16033387U JPH0163798U JP H0163798 U JPH0163798 U JP H0163798U JP 1987160333 U JP1987160333 U JP 1987160333U JP 16033387 U JP16033387 U JP 16033387U JP H0163798 U JPH0163798 U JP H0163798U
- Authority
- JP
- Japan
- Prior art keywords
- boss
- axial flow
- flow blower
- blade
- blower according
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例としての軸流送風機
の構成を示す断面図、第２図は同じくそのプロペ
ラフアンを示す正面図、第３図は従来例と実施例
の軸流送風機の送風特性を示す説明図、第４図は
従来例を示す断面図である。図において、１はプ
ロペラフアン、２はボス部、２ａは羽根ボス、２
ｂはケーシング部、３は羽根、６は電動機、Ｒ１
は羽根上面（翼背面）吸込側の半径、Ｒ２は羽根
下面（翼腹面）吐出側の半径である。なお、図中
同一符号は、同一又は相当部分を示す。
Fig. 1 is a sectional view showing the configuration of an axial blower as an embodiment of the present invention, Fig. 2 is a front view showing the propeller fan, and Fig. 3 is a conventional example and an embodiment of the axial blower. An explanatory diagram showing characteristics, FIG. 4 is a sectional view showing a conventional example. In the figure, 1 is a propeller fan, 2 is a boss part, 2a is a blade boss, 2
b is the casing part, 3 is the blade, 6 is the electric motor, R1
is the radius on the suction side of the blade upper surface (blade back surface), and R2 is the radius of the blade lower surface (blade ventral surface) on the discharge side. Note that the same reference numerals in the figures indicate the same or equivalent parts.
補正 昭６３．１．２２
図面の簡単な説明を次のように補正する。
明細書の第６頁第１３行目から同頁第１４行目
にかけての「２ａは……ケーシング部」の記載を
「４ａはケーシングのボス部」と補正する。Amendment January 22, 1981 The brief description of the drawing is amended as follows. The statement ``2a is a casing portion'' from page 6, line 13 to line 14 of the same page of the specification is amended to ``4a is a boss portion of the casing.''
Claims (1)
の径を大きく構成したボス部をもつプロペラフア
ンを備えてなる軸流送風機。 (2) プロペラフアンのボス部が、該プロペラフ
アンを駆動する電動機の組込みを可能にケーシン
グ部として構成されていることを特徴とする実用
新案登録請求の範囲第１項記載の軸流送風機。 (3) ボス部の吸込側端がテーパ状または球面状
に形成されていることを特徴とする実用新案登録
請求の範囲第１項又は第２項記載の軸流送風機。 (4) 羽根外径に対するボス部の最小外径の比で
あるボス比の値が０．５以上である実用新案登録
請求の範囲第１項記載の軸流送風機。 (5) 羽根を持つ部分のボス径がケーシング部の
ボス径より大きく構成されていることを特徴とす
る実用新案登録請求の範囲第２項記載の軸流送風
機。[Scope of Claim for Utility Model Registration] (1) An axial flow blower equipped with a propeller fan having a boss portion with a diameter larger on the discharge side of the lower surface of the blade than on the suction side of the upper surface of the blade. (2) The axial flow blower according to claim 1, wherein the boss portion of the propeller fan is configured as a casing portion into which an electric motor for driving the propeller fan can be incorporated. (3) The axial flow blower according to claim 1 or 2, wherein the suction side end of the boss portion is formed in a tapered or spherical shape. (4) The axial flow blower according to claim 1, wherein the value of the boss ratio, which is the ratio of the minimum outer diameter of the boss portion to the outer diameter of the blade, is 0.5 or more. (5) The axial flow blower according to claim 2, wherein the diameter of the boss of the portion having the blades is larger than the diameter of the boss of the casing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160333U JPH0163798U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160333U JPH0163798U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163798U true JPH0163798U (en) | 1989-04-24 |
Family
ID=31442308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160333U Pending JPH0163798U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163798U (en) |
-
1987
- 1987-10-20 JP JP1987160333U patent/JPH0163798U/ja active Pending