JPH01105065U - - Google Patents
Info
- Publication number
- JPH01105065U JPH01105065U JP20147687U JP20147687U JPH01105065U JP H01105065 U JPH01105065 U JP H01105065U JP 20147687 U JP20147687 U JP 20147687U JP 20147687 U JP20147687 U JP 20147687U JP H01105065 U JPH01105065 U JP H01105065U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder liner
- cylinder
- helical groove
- cylinder block
- helical
- 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
- 238000002485 combustion reaction Methods 0.000 claims 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第1図はシリンダブロツクの1例を示す縦断面
図、第2図は不等リード角の二重螺旋溝を有する
シリンダライナーの正面図、第3図は不等リード
角で不等ピツチの二重螺旋溝を有するシリンダラ
イナーの正面図、第4図は第2図の一部を断面し
て示す拡大図、第5図は不等ピツチの螺旋溝を有
するシリンダライナーの正面図、第6図は第5図
の一部を断面して示す拡大図である。
1……シリンダブロツク、2……シリンダライ
ナー、3……上部軸受、4……スカート部、5a
,5b,5c,5d,5e……螺旋溝。
Fig. 1 is a longitudinal sectional view showing an example of a cylinder block, Fig. 2 is a front view of a cylinder liner with double helical grooves with unequal lead angles, and Fig. 3 is a double helical groove with unequal lead angles and unequal pitch. FIG. 4 is an enlarged cross-sectional view of a portion of FIG. 2; FIG. 5 is a front view of a cylinder liner having spiral grooves of unequal pitch; FIG. 6; 5 is an enlarged cross-sectional view of a part of FIG. 5. FIG. 1...Cylinder block, 2...Cylinder liner, 3...Upper bearing, 4...Skirt portion, 5a
, 5b, 5c, 5d, 5e... spiral groove.
Claims (1)
ナーの表面に螺旋溝が刻設されており、該螺旋溝
は該シリンダライナーがシリンダブロツクに対し
て回転不能になるごとく螺旋角及び/あるいはピ
ツチに形成してなる内燃機関用シリンダライナー
。 A helical groove is carved on the surface of the cylinder liner that is cast into the cylinder block, and the helical groove is formed at a helical angle and/or pitch so that the cylinder liner cannot rotate relative to the cylinder block. Cylinder liner for internal combustion engines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20147687U JPH01105065U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20147687U JPH01105065U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01105065U true JPH01105065U (en) | 1989-07-14 |
Family
ID=31491833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20147687U Pending JPH01105065U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01105065U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007321576A (en) * | 2006-05-30 | 2007-12-13 | Nippon Piston Ring Co Ltd | Cylinder liner |
JP2010156050A (en) * | 2008-12-29 | 2010-07-15 | Yoosung Enterprise Co Ltd | Cylinder liner and method of manufacturing the same |
WO2012111561A1 (en) * | 2011-02-14 | 2012-08-23 | ナブテスコオートモーティブ株式会社 | Process for manufacturing casing, and vacuum pump |
-
1987
- 1987-12-29 JP JP20147687U patent/JPH01105065U/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007321576A (en) * | 2006-05-30 | 2007-12-13 | Nippon Piston Ring Co Ltd | Cylinder liner |
JP4563342B2 (en) * | 2006-05-30 | 2010-10-13 | 日本ピストンリング株式会社 | Cylinder liner |
JP2010156050A (en) * | 2008-12-29 | 2010-07-15 | Yoosung Enterprise Co Ltd | Cylinder liner and method of manufacturing the same |
WO2012111561A1 (en) * | 2011-02-14 | 2012-08-23 | ナブテスコオートモーティブ株式会社 | Process for manufacturing casing, and vacuum pump |
JP2012167590A (en) * | 2011-02-14 | 2012-09-06 | Nabtesco Automotive Corp | Process for manufacturing casing, and vacuum pump |
US9347447B2 (en) | 2011-02-14 | 2016-05-24 | Nabtesco Automotive Corporation | Process for manufacturing casing, and vacuum pump |