JPS63162965U - - Google Patents

Description

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

第１図は本考案に係る蒸発燃料処理装置の一実
施例を示す構成図、第２図は同装置の各部の圧力
変化を示す図、第３図は第１図の処理装置のパー
ジ特性を示す図、第４図は従来の蒸発燃料処理装
置のパージ特性を示す図である。 図中、１はエンジン、２は吸気通路、３はエア
クリーナ、５はコンプレツサ、６はスロツトル弁
、８は排気通路、９はタービン、１１は燃料タン
ク、１２は導入路、１３はチエツク弁、１４はキ
ヤニスタ、１５は吸着層、１６は新気取入口、１
７は取出口、１８は第１パージ通路、１９は第２
パージ通路、２０は通路、２１はベンチユリ、２
２，２３はチエツク弁である。 Fig. 1 is a configuration diagram showing an embodiment of the evaporative fuel processing device according to the present invention, Fig. 2 is a diagram showing pressure changes in each part of the device, and Fig. 3 shows the purge characteristics of the processing device shown in Fig. 1. The figure shown in FIG. 4 is a diagram showing the purge characteristics of a conventional evaporative fuel processing device. In the figure, 1 is an engine, 2 is an intake passage, 3 is an air cleaner, 5 is a compressor, 6 is a throttle valve, 8 is an exhaust passage, 9 is a turbine, 11 is a fuel tank, 12 is an introduction passage, 13 is a check valve, 14 is the canister, 15 is the adsorption layer, 16 is the fresh air intake, 1
7 is the outlet, 18 is the first purge passage, 19 is the second
Purge passage, 20 passage, 21 bench lily, 2
2 and 23 are check valves.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スロツトル弁近傍の吸気通路とキヤニスタとの
間をチエツク弁を介して連通する第１パージ通路
と、吸気通路のコンプレツサの上流側と下流側と
を連通する通路に設けられたベンチユリとキヤニ
スタとの間をチエツク弁を介して連通する第２パ
ージ通路とを備えた蒸発燃料処理装置。 A first purge passage that communicates between the intake passage near the throttle valve and the canister via a check valve, and a bench lily provided in the passage that communicates the upstream and downstream sides of the compressor in the intake passage and the canister. and a second purge passage communicating with each other via a check valve.