JPS6297297U - - Google Patents

Description

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

第１図は本考案の好適な第１の実施例である過
給機の軸と羽根車との芯保持装置の軸断面図、第
２図は本考案の第２の実施例を示す軸断面図、第
３図は本考案の第３の実施例を示す軸断面図、第
４図は本考案の第４の実施例を示す軸断面図、第
５ａ図は従来の過給機の軸と羽根車との芯保持装
置の軸断面図、第５ｂ図は第５ａ図の矢視Ｘ方向
からの部分側面図である。 １……主軸、２……羽根車、２ａ……羽根、２
ｂ……溝部、２ｃ……ヌスミ、２ｄ……リング部
、２ｅ……リング部、２ｆ……テーパ部、３……
ナツト、４……吸込みケーシング、５……入口部
、６……出口部。 Fig. 1 is an axial sectional view of a core holding device between the shaft and impeller of a supercharger, which is a preferred first embodiment of the invention, and Fig. 2 is an axial sectional view showing a second embodiment of the invention. Fig. 3 is an axial sectional view showing the third embodiment of the present invention, Fig. 4 is an axial sectional view showing the fourth embodiment of the invention, and Fig. 5a shows the shaft of a conventional supercharger. FIG. 5b is an axial sectional view of the impeller and the core holding device, and FIG. 5b is a partial side view taken from the direction of arrow X in FIG. 5a. 1...Main shaft, 2...Impeller, 2a...Blade, 2
b...Groove, 2c...Nut, 2d...Ring part, 2e...Ring part, 2f...Tapered part, 3...
Nut, 4... Suction casing, 5... Inlet section, 6... Outlet section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 過給機の軸と羽根車とをナツトで締結すること
により構成された軸と羽根車との芯保持装置にお
いて、前記羽根車の前記ナツト側の片端面に当接
用のリング部を設け、反対側にもリング部または
テーパ部を設けたことを特徴とする、軸と羽根車
との芯保持装置。 In a core holding device for a shaft and an impeller configured by fastening the shaft and the impeller of a supercharger with a nut, an abutment ring portion is provided on one end surface of the impeller on the nut side, A core holding device between a shaft and an impeller, characterized in that a ring portion or a tapered portion is also provided on the opposite side.