JPS6141896U

JPS6141896U - multi-blade blower impeller

Info

Publication number: JPS6141896U
Application number: JP10921285U
Authority: JP
Inventors: 憲森主; 久司丹羽
Original assignee: 三菱電機株式会社
Priority date: 1985-07-17
Filing date: 1985-07-17
Publication date: 1986-03-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】第１図はこの考案の一実施例を〒部断面で示す正面図、
第２図は第１図のｉ施例の側断面図、第３図は第１区の
実施例の副羽根車の展開斜視図、第４図は従来の多翼送
風機の羽根車の一例を示す正面図、第５′図は第４図の
羽根車の側断面図、第６図は他の従来例を示す正面図、
第７図は第６図− の羽根車の側断面図である。６・・・主羽根車本体、７・・・副羽根車本体、８ａ・
・・主羽根、８ｂ・・・副羽根。なお、図中同一符号は同一または相当部分を示す。[Brief Description of the Drawings] Figure 1 is a front view showing an embodiment of this invention in cross section;
Fig. 2 is a side sectional view of the i embodiment in Fig. 1, Fig. 3 is an exploded perspective view of the sub-impeller of the embodiment in Section 1, and Fig. 4 is an example of the impeller of a conventional multi-blade blower. 5' is a side sectional view of the impeller shown in FIG. 4, and FIG. 6 is a front view showing another conventional example.
FIG. 7 is a side sectional view of the impeller of FIG. 6-. 6...Main impeller body, 7...Sub impeller body, 8a.
...Main blade, 8b...Secondary blade. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A cylindrical main impeller, a sub impeller in which the main impeller and the cylindrical portion are overlapped and integrally connected, and the cylindrical portion of the main impeller is cut and raised at a predetermined pitch toward either the inside or the outside. and a sub-vane formed by cutting and bending the cylindrical part of the sub-impeller at the provisional pitch toward the opposite side of the main blade, and having a cut-and-raised base that coincides with a cut-and-raised base of the main blade. The impeller of the multi-blade blower.