Title:
調整リング
Document Type and Number:
Japanese Patent JP6709259
Kind Code:
B2
Abstract:
To complete possibility for protection of a bearing gap against pollution, and shielding of a magnetic field.SOLUTION: An adjustment ring (84) has an adjustment portion (86) configured to adjust an axis direction of a first bearing part (46) positioned on a radially inward side of a bearing part (42) of a vacuum pump (10), especially a turbomolecular pump, relative to a second bearing part (44) positioned on a radially outward side of the bearing part (42) of the vacuum pump (10), in a direction of a longitudinal central axis (47) of the bearing part (42), where a rotating collar part (88) projects from the adjustment portion (86) of the adjustment ring (84) having a radial collar portion (90) extending radially outward.SELECTED DRAWING: Figure 1
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Inventors:
Rota Brukmann
Peter Forwerk
Michael Schweighoefer
Martin Rose
Robert Waltz
Peter Forwerk
Michael Schweighoefer
Martin Rose
Robert Waltz
Application Number:
JP2018155742A
Publication Date:
June 10, 2020
Filing Date:
August 22, 2018
Export Citation:
Assignee:
Pfeiffer Vacuum Game Behr
International Classes:
F04D19/04; F04D29/056; F04D29/70
Domestic Patent References:
| JP2016089824A | ||||
| JP1190991A | ||||
| JP3119272U |
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith
Atsushi Shinohara
Shinsuke Nakamura
Blacksmith
Atsushi Shinohara
Shinsuke Nakamura