JPS6378119U

JPS6378119U -

Info

Publication number: JPS6378119U
Application number: JP17121486U
Authority: JP
Priority date: 1986-11-07
Filing date: 1986-11-07
Publication date: 1988-05-24

Description

[Brief explanation of the drawing]

図は本考案の一実施例としてのエンジン冷却装
置を示すもので、第１図はその縦断面図、第２図
ａはそのカバーの平面図、第２図ｂはそのカバー
の正面図、第３図はその主要部分の分解斜視図、
第４図はその３分割冷却系の説明図、第５図はそ
の変形例を示す縦断面図である。１…シリンダブロツク、２…シリンダヘツド、
３…シリンダヘツドアツパ、４…シリンダヘツド
カバー、５…クランクカバー、６…オイルパン、
７…クランク軸、８…クランク軸受、８ａ…クラ
ンク軸受のアツパ部、８ｂ…クランク軸受のロア
部、９…ボルト、１０…通しボルト、１１…オイ
ルポンプ、１２…ピストン、１３…ライナ部、１
３ａ…フランジ部、１３ｂ…突条、１４Ａ〜１４
Ｄ…カバー、１５…オイルジヤケツト、１５Ａ，
１５Ｂ…オイルジヤケツト部分、１６…柱部、１
７…オイルギヤラリ、１８…高圧油路、１９…オ
イルクリーナ、２０…高圧油パイプ、２２…チエ
ツクバルブ、２３…リターン路、２４…オーバー
フロー孔、２５…クランク室、２６…戻り口、２
７…弯曲板、２８…エンジン燃焼室、２９…ウオ
ータジヤケツト、２９ａ，２９ｂ…環状溝、３０
…ウオータギヤラリ、３０ａ，３０ｂ…環状溝、
３１…吸気ポート、３２…吸気マニホールド、３
３…排気ポート、３４…排気マニホールド、３５
…吸気弁、３６…排気弁、３７…連通孔、３８…
吸気カム軸、３９…排気カム軸、４０…吸気弁ば
ね、４１…排気弁ばね、４２…カム軸室、４３…
下部油循環系、４４…冷却水循環系、４５…上部
油循環系、１０３，１０３′…整流用フイン。 The figures show an engine cooling system as an embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view thereof, Fig. 2a is a plan view of its cover, Fig. 2b is a front view of its cover, and Fig. Figure 3 is an exploded perspective view of its main parts.
FIG. 4 is an explanatory diagram of the three-part cooling system, and FIG. 5 is a longitudinal sectional view showing a modification thereof. 1...Cylinder block, 2...Cylinder head,
3...Cylinder head opening, 4...Cylinder head cover, 5...Crank cover, 6...Oil pan,
7... Crankshaft, 8... Crank bearing, 8a... Upper part of crank bearing, 8b... Lower part of crank bearing, 9... Bolt, 10... Through bolt, 11... Oil pump, 12... Piston, 13... Liner part, 1
3a...Flange portion, 13b...Protrusion, 14A-14
D...Cover, 15...Oil jacket, 15A,
15B...Oil jacket part, 16...Column part, 1
7...Oil gear gallery, 18...High pressure oil path, 19...Oil cleaner, 20...High pressure oil pipe, 22...Check valve, 23...Return path, 24...Overflow hole, 25...Crank chamber, 26...Return port, 2
7... Curved plate, 28... Engine combustion chamber, 29... Water jacket, 29a, 29b... Annular groove, 30
...Water gear lary, 30a, 30b...Annular groove,
31...Intake port, 32...Intake manifold, 3
3...Exhaust port, 34...Exhaust manifold, 35
...Intake valve, 36...Exhaust valve, 37...Communication hole, 38...
Intake camshaft, 39...Exhaust camshaft, 40...Intake valve spring, 41...Exhaust valve spring, 42...Camshaft chamber, 43...
Lower oil circulation system, 44...Cooling water circulation system, 45...Upper oil circulation system, 103, 103'...Fine for rectification.

Claims

[Scope of utility model registration request]

Cooling of the engine combustion chamber formed by the cylinder head, the cylinder block superimposed on the cylinder head from below, and the piston sliding inside the engine cylinder of the cylinder block is separated between the cylinder head side and the cylinder block side. In order to achieve this, an upper oil circulation system that lubricates the cylinder head side and a lower oil circulation system that lubricates the cylinder block side are provided separately. The engine is provided with an oil jacket formed to hold cooling oil, and a cover is provided to cover the outer side of the oil jacket to constitute an outer wall of the oil jacket, and the cover and the engine are opposed to the cover. An engine cooling device characterized in that a rectifying fin is provided on one of the outer walls of the cylinder so as to protrude toward the other of the cover and the outer wall of the engine cylinder.