JPS6427465U

JPS6427465U -

Info

Publication number: JPS6427465U
Application number: JP12300787U
Authority: JP
Priority date: 1987-08-11
Filing date: 1987-08-11
Publication date: 1989-02-16

Description

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

第１図は本考案の実施例装置の構造を示す断面
図、第２図ａは本実施例装置の作動方法を示す構
成図、第２図ｂは本実施例装置の作動原理を示す
特性図、第３図は本実施例装置による吸気音の低
減実験の結果を示す特性図である。１……エアクリーナケース、２……振動板、３
……加振機、４……スピーカ後室、８……アンプ
、９……位相コントロール装置。 Fig. 1 is a sectional view showing the structure of the device according to the embodiment of the present invention, Fig. 2a is a configuration diagram showing the operating method of the device of the present invention, and Fig. 2b is a characteristic diagram showing the operating principle of the device of the present invention. , FIG. 3 is a characteristic diagram showing the results of an experiment to reduce intake noise using the device of this embodiment. 1... Air cleaner case, 2... Vibration plate, 3
... Vibrator, 4 ... Speaker rear chamber, 8 ... Amplifier, 9 ... Phase control device.

補正昭６３．２．２６図面の簡単な説明を次のように補正する。明細書第６頁第９行に「特性図である。」とあ
るのを、「特性図、第４図は従来のエアクリーナ
の構造を示す断面図である。」に補正します。Amendment February 26, 1983 The brief description of the drawing is amended as follows. On page 6, line 9 of the specification, the statement ``This is a characteristic diagram.'' will be corrected to ``Characteristics diagram, Figure 4 is a sectional view showing the structure of a conventional air cleaner.''

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

車両エンジンの吸気管の途中に配設されたエア
クリーナ装置において、エアクリーナケース内に
振動板と加振機とより成るスピーカでスピーカ後
室を構成し、前記振動板からエンジン吸気音と同
じ大きさで、しかも逆位相の音を発生させるごと
く加振機を作動させる位相コントロール手段とを
備えることを特徴とする車両用エアクリーナ装置
。 In an air cleaner device installed in the middle of the intake pipe of a vehicle engine, a speaker rear chamber is configured with a speaker consisting of a diaphragm and a vibrator in the air cleaner case, and the diaphragm emits a sound of the same magnitude as the engine intake sound. , and phase control means for operating a vibrator so as to generate sound of opposite phase.