Title:
真空ポンプ
Document Type and Number:
Japanese Patent JP5670095
Kind Code:
B2
Abstract:
The pump (1) has a side channel pumping stage (4) comprising running wheels (400) with an edge and vanes (402), where the wheels are displaced during rotation. The vanes exhibit a rear side with an outer edge. The vanes comprise flanges at the outer edge of the rear side. A middle rod is provided between the vanes and other vane. The former vanes comprise two vane sections, which are arranged in a movement direction. The former vanes are arranged at the edge of the wheels in a radial direction. The rear side and the flanges comprise flat surfaces.
Inventors:
ロナルド・ザックス
アレクサンドル・シリノフ
アレクサンドル・シリノフ
Application Number:
JP2010109860A
Publication Date:
February 18, 2015
Filing Date:
May 12, 2010
Export Citation:
Assignee:
プファイファー・ヴァキューム・ゲーエムベーハー
International Classes:
F04D19/04; F04D23/00
Attorney, Agent or Firm:
Mitsufumi Ezaki
Minoru Kajisawa
Ryota Imamura
Junji Shinohara
Kiyota 栄章
Minoru Kajisawa
Ryota Imamura
Junji Shinohara
Kiyota 栄章