JPS6336697U

JPS6336697U -

Info

Publication number: JPS6336697U
Application number: JP12888186U
Authority: JP
Priority date: 1986-08-26
Filing date: 1986-08-26
Publication date: 1988-03-09

Description

[Brief explanation of drawings]

第１図はこの考案に係る空気調和機の一実施例
を示す要部拡大図、第２図はこの考案を天井埋込
型空気調和機に適用した例を示す図、第３図は第
１図の―線に沿う図、第４図はこの考案に係
る空気調和機の騒音レベルを従来の空気調和機の
騒音レベルと比較した図、第５図は騒音レベルを
一定としたとき、この考案による空気調和機の風
量を従来の空気調和機と比較した図、第６図Ａお
よびＢは送風機の吸込側に取付けられるベルマウ
ス（エア導入ガイド）の各変形例を示す図、第７
図は従来の空気調和機に組み込まれる送風機を示
す図である。１１……本体ケーシング、１２……送風機、１
３……熱交換器、１４……吸込口、１５……吹出
口、１７……フアンモータ、１８……斜流フアン
（軸流フアン）、１９……フアンケーシング、２
０……間隙、２２，２２Ａ，２２Ｂ……エア導入
ガイド（ベルマウス）、２３……エア吸込口。 Figure 1 is an enlarged view of the main parts of an embodiment of an air conditioner according to this invention, Figure 2 is a diagram showing an example of applying this invention to a ceiling-mounted air conditioner, and Figure 3 is an enlarged view of the main parts of an air conditioner according to this invention. Figure 4 shows a comparison of the noise level of the air conditioner according to this invention with the noise level of a conventional air conditioner, and Figure 5 shows the noise level of the air conditioner according to the invention when the noise level is constant. Figure 6 A and B are diagrams showing various modifications of the bell mouth (air introduction guide) attached to the suction side of the blower;
The figure shows a blower incorporated in a conventional air conditioner. 11...Body casing, 12...Blower, 1
3... Heat exchanger, 14... Suction port, 15... Outlet, 17... Fan motor, 18... Diagonal flow fan (axial flow fan), 19... Fan casing, 2
0... Gap, 22, 22A, 22B... Air introduction guide (bell mouth), 23... Air suction port.

Claims

[Scope of Claim for Utility Model Registration] 1. In an air conditioner equipped with a blower inside the main body casing, an air introduction guide having an air suction port with a diameter smaller than the outer diameter of the fan of the blower is provided on the suction side of the blower. An air conditioner featuring: 2. The air conditioner according to claim 1, wherein the air introduction guide is provided on the suction side of the fan casing of the blower, and the air suction port is opened so as to be gradually narrowed toward the blower. 3. The air introduction guide is a plate-shaped or ring-shaped bell mouth.
The air conditioner according to item 1 or 2. 4. The air conditioner according to claim 3, wherein the bell mouth is integrally formed with the fan casing.