Title:
真空ポンプ
Document Type and Number:
Japanese Patent JP2006525466
Kind Code:
A
Abstract:
A vacuum pump (50) includes a pumping arrangement, a shaft (10) for driving the pumping arrangement, a motor (60) for rotating the shaft (10) and a bearing arrangement supporting the shaft (10) for rotation, the bearing arrangement having a rolling bearing (12), supporting a first portion of the shaft (10), and a thrust bearing (30). The thrust bearing (30) houses a plurality of rolling elements (36) such that they are maintained in bearing contact with an outer race (18) of the rolling bearing (12) and a race (34) of the thrust bearing (30). In this way axial movement of the rolling bearing (12) can be resisted whilst allowing radial movement of the rolling bearing (12).
Inventors:
Schooling jennifer mary
Blue Star Barry Dudley
Blue Star Barry Dudley
Application Number:
JP2006506175A
Publication Date:
November 09, 2006
Filing Date:
April 27, 2004
Export Citation:
Assignee:
The BOC Group plc
International Classes:
F04D19/04; F04D29/04; F04D29/051; F04D29/056; F04D29/059; F16C19/50; F16C27/06
Domestic Patent References:
| JPS63115625U | 1988-07-26 | |||
| JPH08177870A | 1996-07-12 | |||
| JPH08334127A | 1996-12-17 | |||
| JPS6275122A | 1987-04-07 | |||
| JPS63110717U | 1988-07-16 | |||
| JPH0683989U | 1994-12-02 | |||
| JPS42643Y1 | 1967-01-17 |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Disciple Maru Ken
Ino Sato