JPH02122125U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は第２図の−線に沿つてみた２サイ
イクルデイーゼル機関の側面断面図、第２図は第
１図のシリンダヘツドの底面図、第３図は第４図
の−線に沿つてみた２サイイクルデイーゼル
機関の別の実施例の側面断面図、第４図は第３図
のシリンダヘツドの底面図、第５図は図解的に示
す給気ポート出口部の斜視図、第６図は第７図の
−線に沿つてみた２サイイクルデイーゼル機
関の更に別の実施例の側面断面図、第７図は第６
図のシリンダヘツドの底面図である。 ５……給気弁、６……給気ポート、７……排気
弁、８……排気ポート、９……副室、１０……噴
口、１４……マスク壁、１６……新気ガイド壁。 Figure 1 is a side sectional view of a two-cycle diesel engine taken along the - line in Figure 2, Figure 2 is a bottom view of the cylinder head in Figure 1, and Figure 3 is a side sectional view taken along the - line in Figure 4. FIG. 4 is a bottom view of the cylinder head of FIG. 3; FIG. 5 is a schematic perspective view of the intake port outlet; FIG. The figure is a side sectional view of yet another embodiment of the two-cycle diesel engine taken along the - line in Figure 7;
FIG. 3 is a bottom view of the cylinder head shown in the figure. 5... Air supply valve, 6... Air supply port, 7... Exhaust valve, 8... Exhaust port, 9... Sub-chamber, 10... Nozzle, 14... Mask wall, 16... Fresh air guide wall .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダヘツドに給気弁および排気弁を設けた
副室付２サイクルデイーゼル機関において、排気
弁側の給気弁周辺部に排気弁側の給気弁開口から
の新気の流入を抑制する新気流入抑制壁を設ける
ことにより燃焼室内の予め定められた垂直平面内
において新気をループ状に流通せしめ、新気がル
ープ状に流通するほぼ該垂直平面内に副室の噴口
を配置した２サイイクルデイーゼル機関。 In a two-stroke diesel engine with an auxiliary chamber that has an intake valve and an exhaust valve in the cylinder head, fresh air is prevented from flowing into the area around the intake valve on the exhaust valve side from the intake valve opening on the exhaust valve side. A two-size combustion chamber in which fresh air is made to flow in a loop within a predetermined vertical plane within the combustion chamber by providing an inflow suppressing wall, and the nozzle of the pre-chamber is placed approximately within the vertical plane where the fresh air flows in a loop. Ickle diesel engine.