JPH03118291U - - Google Patents
Info
- Publication number
- JPH03118291U JPH03118291U JP2888090U JP2888090U JPH03118291U JP H03118291 U JPH03118291 U JP H03118291U JP 2888090 U JP2888090 U JP 2888090U JP 2888090 U JP2888090 U JP 2888090U JP H03118291 U JPH03118291 U JP H03118291U
- Authority
- JP
- Japan
- Prior art keywords
- supercharger
- engine
- rotor
- pressure adjustment
- mechanical supercharger
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Supercharger (AREA)
Description
第１図は、本考案の第１実施例に係るエンジン
の機械式過給機構造を示す一部切欠断面図、第２
図は、同過給機を組み込んだエンジン吸気系のレ
イアウト構造を示す概略断面図、第３図は、上記
過給機のロータ部の拡大断面図、第４図は、本考
案の第２実施例に係るエンジンの機械式過給機の
要部の構造を示す断面図、第５図は、従来のリシ
ヨルム型過給機を備えたエンジンの吸気系の概略
構造を示す断面図である。
１……吸気管、２……エアクリーナ、３……ス
ロツトル弁、４……リシヨルム型過給機、５……
過給機ケーシング、６ａ，６ｂ……ロータ、６Ｆ
……螺旋羽根、７ａ，７ｂ……ロータ軸、８Ｌ，
８Ｒ……軸受部、９Ｌ，９Ｒ……メカシール部、
１０……吸気吸入口、１１……吸気吐出口、１２
Ｌ，１２Ｒ……バランスホール、１３……連結パ
イプ、１５……一方向弁。
1 is a partially cutaway sectional view showing the structure of a mechanical supercharger for an engine according to a first embodiment of the present invention; FIG.
The figure is a schematic sectional view showing the layout structure of an engine intake system incorporating the supercharger, FIG. 3 is an enlarged sectional view of the rotor section of the supercharger, and FIG. 4 is a second embodiment of the present invention. FIG. 5 is a sectional view showing the structure of a main part of a mechanical supercharger for an engine according to an example. FIG. 5 is a sectional view showing a schematic structure of an intake system of an engine equipped with a conventional Lysholm supercharger. 1... Intake pipe, 2... Air cleaner, 3... Throttle valve, 4... Risholm type supercharger, 5...
Supercharger casing, 6a, 6b...rotor, 6F
...Spiral blade, 7a, 7b...Rotor shaft, 8L,
8R...bearing part, 9L, 9R...mechanical seal part,
10...Intake inlet, 11...Intake discharge port, 12
L, 12R...Balance hole, 13...Connection pipe, 15...One-way valve.
Claims (1)
なるエンジンにおいて、上記過給機のロータ軸前
後の各シール部に当該各シール部間の圧力の調整
を行う圧力調整用空間部を設け、これら各圧力調
整用空間部を相互に連通する連通路を介して大気
に開放させるとともに該連通路の途中に吸気上流
側から下流側にのみ吸気を流す一方向弁を介設し
たことを特徴とするエンジンの機械式過給機構造
。 In an engine equipped with a compression type mechanical supercharger having a rotor, a pressure adjustment space is provided in each seal portion before and after the rotor shaft of the supercharger to adjust the pressure between the seal portions, Each of these pressure adjustment spaces is opened to the atmosphere through communication passages that communicate with each other, and a one-way valve that allows intake air to flow only from the intake upstream side to the downstream side is interposed in the middle of the communication passage. The mechanical supercharger structure of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028880U JP2568664Y2 (en) | 1990-03-20 | 1990-03-20 | Engine mechanical supercharger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990028880U JP2568664Y2 (en) | 1990-03-20 | 1990-03-20 | Engine mechanical supercharger structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03118291U true JPH03118291U (en) | 1991-12-06 |
| JP2568664Y2 JP2568664Y2 (en) | 1998-04-15 |
Family
ID=31531668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990028880U Expired - Lifetime JP2568664Y2 (en) | 1990-03-20 | 1990-03-20 | Engine mechanical supercharger structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2568664Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089474A (en) * | 2000-09-08 | 2002-03-27 | Hokuetsu Kogyo Co Ltd | Shaft seal structure of oil-free screw compressor |
| JP2007319400A (en) * | 2006-05-31 | 2007-12-13 | Kyoraku Co Ltd | Multi-chamber container, and protection member used therefor |
| JP2008017948A (en) * | 2006-07-11 | 2008-01-31 | Terumo Corp | Medical double-chamber container |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165535A (en) * | 1986-01-18 | 1987-07-22 | Toyota Motor Corp | Supercharger mounted internal combustion engine |
-
1990
- 1990-03-20 JP JP1990028880U patent/JP2568664Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165535A (en) * | 1986-01-18 | 1987-07-22 | Toyota Motor Corp | Supercharger mounted internal combustion engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089474A (en) * | 2000-09-08 | 2002-03-27 | Hokuetsu Kogyo Co Ltd | Shaft seal structure of oil-free screw compressor |
| JP4638582B2 (en) * | 2000-09-08 | 2011-02-23 | 北越工業株式会社 | Shaft seal structure of oil-free screw compressor |
| JP2007319400A (en) * | 2006-05-31 | 2007-12-13 | Kyoraku Co Ltd | Multi-chamber container, and protection member used therefor |
| JP2008017948A (en) * | 2006-07-11 | 2008-01-31 | Terumo Corp | Medical double-chamber container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2568664Y2 (en) | 1998-04-15 |