JPH0419700U

JPH0419700U -

Info

Publication number: JPH0419700U
Application number: JP1990059138U
Authority: JP
Priority date: 1990-06-06
Filing date: 1990-06-06
Publication date: 1992-02-19

Description

[Brief explanation of the drawing]

第１図は本考案による電動送風機の正面図、第
２図は第１図の部分断面図、第３図は第２図の側
面図、第４図は本考案の他の実施例の２重ダクト
部分断面図、第５図は第４図の側面図、第６図は
更に他の実施例の正面図、第７図は第６図の部分
断面図、第８図は第６図の側面図、第９図は従来
の電動送風機の正面図、第１０図は従来の車両用
空調装置の概略図である。３……電動送風機、５……電動機、６……羽根
車、７……フアンケース、１４……２重ダクト、
１５……内側ダクト、１６……外側ダクト。 Fig. 1 is a front view of an electric blower according to the present invention, Fig. 2 is a partial sectional view of Fig. 1, Fig. 3 is a side view of Fig. 2, and Fig. 4 is a double-layered view of another embodiment of the invention. 5 is a side view of FIG. 4, FIG. 6 is a front view of another embodiment, FIG. 7 is a partial sectional view of FIG. 6, and FIG. 8 is a side view of FIG. 6. 9 is a front view of a conventional electric blower, and FIG. 10 is a schematic diagram of a conventional vehicle air conditioner. 3... Electric blower, 5... Electric motor, 6... Impeller, 7... Fan case, 14... Double duct,
15...inner duct, 16...outer duct.

Claims

[Claims for Utility Model Registration] A centrifugal electric blower consisting of an electric motor, an impeller provided at both shaft ends of the electric motor, and a fan case covering the impeller, wherein the electric motor is covered with a double duct, An electric blower characterized in that an air intake port is provided at both ends of an outer duct of the heavy duct, a ventilation port is provided at the center of the inner duct, and both end ports of the inner duct are connected to the suction port of the fan case.