JPH0363710U - - Google Patents
Info
- Publication number
- JPH0363710U JPH0363710U JP12424489U JP12424489U JPH0363710U JP H0363710 U JPH0363710 U JP H0363710U JP 12424489 U JP12424489 U JP 12424489U JP 12424489 U JP12424489 U JP 12424489U JP H0363710 U JPH0363710 U JP H0363710U
- Authority
- JP
- Japan
- Prior art keywords
- crankcase
- fresh air
- combustion engine
- internal combustion
- counterweight
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はこの考案に係る換気装置の一実施例を
示す内燃機関要部の断面図、第２図はシリンダブ
ロツクおよびクランクシヤフトの斜視図、第３図
はこの実施例の通路構成を示す説明図、第４図は
この考案の異なる実施例を示すシリンダブロツク
の斜視図、第５図はＶ型８気筒内燃機関に適用し
た実施例を示す断面図、第６図はその容積変動と
新気導入口開閉時期との関係を示す特性図である
。
１……シリンダブロツク、２……オイルパン、
３……クランクケース、４……クランクシヤフト
、９……バルクヘツド、１６……カウンタウエイ
ト、２１……新気導入口、２２……ガス排出口。
Fig. 1 is a sectional view of the main parts of an internal combustion engine showing an embodiment of the ventilation system according to this invention, Fig. 2 is a perspective view of the cylinder block and crankshaft, and Fig. 3 is an explanation showing the passage configuration of this embodiment. Fig. 4 is a perspective view of a cylinder block showing a different embodiment of this invention, Fig. 5 is a sectional view showing an embodiment applied to a V-type 8-cylinder internal combustion engine, and Fig. 6 shows its volume variation and fresh air. FIG. 3 is a characteristic diagram showing the relationship with the opening/closing timing of the inlet. 1...Cylinder block, 2...Oil pan,
3...Crankcase, 4...Crankshaft, 9...Bulkhead, 16...Counterweight, 21...Fresh air introduction port, 22...Gas exhaust port.
Claims (1)
うにバルクヘツドがクランクケース上部に形成さ
れてなる多気筒４サイクル内燃機関において、上
記クランクケースに、クランクシヤフトのカウン
タウエイトの周面もしくは側面に近接した新気導
入口を開口形成するとともに、該新気導入口を含
む区画の容積減少時にカウンタウエイトにて閉塞
される位置に、上記新気導入口を配設したことを
特徴とする内燃機関のクランクケース換気装置。 In a multi-cylinder four-stroke internal combustion engine in which a bulkhead is formed at the top of the crankcase to partition the inside of the crankcase into a plurality of compartments, fresh air is placed in the crankcase near the circumferential surface or side surface of the counterweight of the crankshaft. Crankcase ventilation for an internal combustion engine, characterized in that the inlet is formed as an opening and the fresh air inlet is arranged at a position where it is blocked by a counterweight when the volume of the compartment containing the fresh air inlet is reduced. Device.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12424489U JPH0748966Y2 (en) | 1989-10-24 | 1989-10-24 | Crankcase ventilation system for internal combustion engine |
| US07/599,964 US5069192A (en) | 1989-10-24 | 1990-10-19 | Internal combustion engine with crankcase ventilation system |
| DE4033844A DE4033844A1 (en) | 1989-10-24 | 1990-10-24 | INTERNAL COMBUSTION ENGINE WITH A VENTILATION DEVICE FOR THE CRANKCASE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12424489U JPH0748966Y2 (en) | 1989-10-24 | 1989-10-24 | Crankcase ventilation system for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0363710U true JPH0363710U (en) | 1991-06-21 |
| JPH0748966Y2 JPH0748966Y2 (en) | 1995-11-13 |
Family
ID=31672176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12424489U Expired - Lifetime JPH0748966Y2 (en) | 1989-10-24 | 1989-10-24 | Crankcase ventilation system for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0748966Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064081A (en) * | 2005-08-30 | 2007-03-15 | Honda Motor Co Ltd | Internal combustion engine |
| JP2009019583A (en) * | 2007-07-12 | 2009-01-29 | Honda Motor Co Ltd | Vehicular blow-by gas ventilator |
| JP2010084560A (en) * | 2008-09-30 | 2010-04-15 | Daihatsu Motor Co Ltd | Cylinder block of internal combustion engine |
-
1989
- 1989-10-24 JP JP12424489U patent/JPH0748966Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064081A (en) * | 2005-08-30 | 2007-03-15 | Honda Motor Co Ltd | Internal combustion engine |
| JP4512011B2 (en) * | 2005-08-30 | 2010-07-28 | 本田技研工業株式会社 | Internal combustion engine |
| JP2009019583A (en) * | 2007-07-12 | 2009-01-29 | Honda Motor Co Ltd | Vehicular blow-by gas ventilator |
| JP2010084560A (en) * | 2008-09-30 | 2010-04-15 | Daihatsu Motor Co Ltd | Cylinder block of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0748966Y2 (en) | 1995-11-13 |
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