Title:
モータ内蔵型スクリューロータ型真空ポンプ
Document Type and Number:
Japanese Patent JP2013507575
Kind Code:
A
Abstract:
The present invention relates to a screw rotor type vacuum pump incorporating a driving motor in any one of the pair of screw rotors, wherein the deformation of rotation balance may be reduced when the pair of screw rotors rotates. According to the present invention, provided is a screw rotor type vacuum pump comprising: a pair of screw rotors of which rotates and is to be engaged with each other; a housing for receiving the pair of screw rotors and having a suction hole at one side and a discharge hole at the other side; and a motor incorporated in any one of the pair of screw rotors for driving the rotation shaft thereof.
Inventors:
Really
Application Number:
JP2012534124A
Publication Date:
March 04, 2013
Filing Date:
October 20, 2010
Export Citation:
Assignee:
KODIVAC LTD.
International Classes:
F04C18/16; F04C25/02; F04C27/02; F04C29/00; F04C29/02
Domestic Patent References:
| JPH01267384A | 1989-10-25 | |||
| JPH02283898A | 1990-11-21 | |||
| JPH08100779A | 1996-04-16 | |||
| JPS6336680U | 1988-03-09 | |||
| JPH07217748A | 1995-08-15 | |||
| JP2005195027A | 2005-07-21 | |||
| JP2004263629A | 2004-09-24 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Kouji Akanekubo
Kouji Akanekubo