JPH041621U - - Google Patents
Info
- Publication number
- JPH041621U JPH041621U JP4291090U JP4291090U JPH041621U JP H041621 U JPH041621 U JP H041621U JP 4291090 U JP4291090 U JP 4291090U JP 4291090 U JP4291090 U JP 4291090U JP H041621 U JPH041621 U JP H041621U
- Authority
- JP
- Japan
- Prior art keywords
- fan
- showing
- flywheel
- flywheel fan
- view
- 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 4
- 238000001816 cooling Methods 0.000 claims 3
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図〜第８図は本考案の実施例を示し、第１
図Ａ〜Ｈは各々通風口の傾斜態様を示す概略説明
図、第２図は実施例１を示す部分油冷式強制空冷
縦型デイーゼルエンジンの要部縦断面図、第３図
は実施例２を示すフライホイルフアン周辺の要部
縦断面図、第４図は実施例３を示す強制空冷縦型
デイーゼルエンジンの要部縦断面図、第５図は実
施例４を示す第３図相当図、第６図は実施例５を
示すフライホイルフアンの要部縦断面図、第７図
は実施例６を示す第６図相当図、第８図は実施例
７を示す第６図相当図、第９図は本考案の変形例
１を示す第６図相当図、第１０図は変形例２を示
す第３図相当図、第１１図は変形例３を示す第６
図相当図、第１２図は変形例４を示す第３図相当
図、第１３図は変形例５を示すフライホイルフア
ンの送風口周辺の横断平面図、第１４図は変形例
６を示す第１３図相当図、第１５図は変形例７を
示すフライホイルフアンの全体縦断面図、第１６
図は変形例８を示すフライホイルフアンの要部切
欠正面図、第１７図は従来技術を示す第３図相当
図、第１８図は同従来技術を示す第１図Ａ相当図
である。
Ｅ……エンジン、１……クランクケース、２…
…遠心送風式フライホイルフアン、３……フアン
ケース、５……２の表面、６……２の裏面、７…
…通風口、８……７の軸心、Ａ……２の径方向、
Ｂ……２の回転方向、Ｐ……２の表側空間、Ｑ…
…２の裏側空間。
1 to 8 show embodiments of the present invention.
Figures A to H are schematic explanatory diagrams showing the inclination of the ventilation ports, Figure 2 is a vertical sectional view of the main part of a partially oil-cooled forced air-cooled vertical diesel engine showing Embodiment 1, and Figure 3 is Embodiment 2. FIG. 4 is a vertical cross-sectional view of the main parts around the flywheel fan showing the third embodiment, FIG. 5 is a longitudinal cross-sectional view of the main parts of the forced air-cooled vertical diesel engine showing the third embodiment, and FIG. FIG. 6 is a vertical cross-sectional view of a main part of a flywheel fan showing Embodiment 5, FIG. 7 is a view equivalent to FIG. 6 showing Embodiment 6, and FIG. 8 is a view equivalent to FIG. 6 showing Embodiment 7. 9 is a view equivalent to FIG. 6 showing modification 1 of the present invention, FIG. 10 is a view equivalent to FIG. 3 showing modification 2, and FIG. 11 is a view equivalent to FIG. 6 showing modification 3.
Fig. 12 is a view equivalent to Fig. 3 showing modification example 4, Fig. 13 is a cross-sectional plan view around the air outlet of the flywheel fan showing modification example 5, and Fig. 14 is a diagram equivalent to Fig. 3 showing modification example 6. 13 is a diagram equivalent to FIG.
17 is a view corresponding to FIG. 3 showing the prior art, and FIG. 18 is a view corresponding to FIG. 1A showing the prior art. E...Engine, 1...Crankcase, 2...
...Centrifugal blower flywheel fan, 3...Fan case, 5...Surface of 2, 6...Back side of 2, 7...
...ventilation port, 8...axis of 7, radial direction of A...2,
B...rotation direction of 2, P...front space of 2, Q...
...The back space of 2.
Claims (1)
風式のフライホイルフアン２の裏面６を臨ませ、
フライホイルフアン２をフアンケース３で覆い、
フライホイルフアン２の表面５から裏面６に亘り
通風口７を空け、フアンケース３内に生じた冷却
風をフライホイルフアン２の表面空間Ｐと裏側空
間Ｑとの間で当該通風口７を通じて流通させるよ
うに構成したエンジンのフライホイルフアンの裏
側空間冷却装置において、 上記通風口７の軸心８は、フライホイルフアン
２の径方向Ａと回転方向Ｂとの少なくとも一方の
方向に沿わせて傾斜させたことを特徴とするエン
ジンのフライホイルフアンの裏側空間冷却装置。[Scope of Claim for Utility Model Registration] The rear surface 6 of a centrifugal flywheel fan 2 faces the outer surface of the crankcase 1 of the engine E,
Cover the flywheel fan 2 with the fan case 3,
A ventilation port 7 is provided from the front surface 5 to the back surface 6 of the flywheel fan 2, and the cooling air generated in the fan case 3 is circulated between the surface space P and the back space Q of the flywheel fan 2 through the ventilation port 7. In the back side space cooling device for a flywheel fan of an engine configured to A space cooling device behind the flywheel fan of an engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4291090U JPH041621U (en) | 1990-04-20 | 1990-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4291090U JPH041621U (en) | 1990-04-20 | 1990-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041621U true JPH041621U (en) | 1992-01-08 |
Family
ID=31554869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4291090U Pending JPH041621U (en) | 1990-04-20 | 1990-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072558A1 (en) * | 2006-12-14 | 2008-06-19 | Panasonic Corporation | Centrifugal impeller and centrifugal blower using it |
| JP2008169826A (en) * | 2006-12-14 | 2008-07-24 | Matsushita Electric Ind Co Ltd | Centrifugal impeller and centrifugal blower |
-
1990
- 1990-04-20 JP JP4291090U patent/JPH041621U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008072558A1 (en) * | 2006-12-14 | 2008-06-19 | Panasonic Corporation | Centrifugal impeller and centrifugal blower using it |
| JP2008169826A (en) * | 2006-12-14 | 2008-07-24 | Matsushita Electric Ind Co Ltd | Centrifugal impeller and centrifugal blower |
| US8240997B2 (en) | 2006-12-14 | 2012-08-14 | Panasonic Corporation | Centrifugal impeller and centrifugal blower using the centrifugal impeller |
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