Title:
真空ポンプ
Document Type and Number:
Japanese Patent JP5261664
Kind Code:
B2
Abstract:
The pump (1) has a rapidly rotating rotor (2, 3) supported by a roller bearing with an inner ring (20) and an outer ring (21), a cage (22) between them and a roller body (23) in an intermediate space between the inner and outer rings. The cage has a helical groove in a section of its surface facing the inner ring to ensure a continuous feed of a lubricant to the roller body.
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| WO/2006/095132 | APPARATUS FOR INHIBITING THE PROPAGATION OF A FLAME FRONT |
Inventors:
Bernd Kohi
Application Number:
JP2008073632A
Publication Date:
August 14, 2013
Filing Date:
March 21, 2008
Export Citation:
Assignee:
Pfeiffer Vacuum Game Behr
International Classes:
F04D19/04; F16C33/41; F16C33/62
Domestic Patent References:
| JP2217620A | ||||
| JP8042578A | ||||
| JP9151946A | ||||
| JP3051517A | ||||
| JP2006525466A | ||||
| JP2002364648A | ||||
| JP2002155948A | ||||
| JP2005314789A |
Foreign References:
| WO2006131694A1 |
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith
Ryota Imamura
Atsushi Shinohara
Kiyota Eisho
Blacksmith
Ryota Imamura
Atsushi Shinohara
Kiyota Eisho