Title:
燃料供給装置
Document Type and Number:
Japanese Patent JP6550274
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To supply a lubricant without increasing frictional resistance even to a bearing disposed on another part such as a rotor part configuring a motor, in a fuel supply device in which a rotating shaft of the motor and a rotating shaft of a pump are coaxial, and a reciprocation mechanism chamber of the pump is sealed and surrounded so that it exists in a space same as the motor.SOLUTION: A bearing 61 is disposed on a reciprocation mechanism part 3 at an upper part with respect to a rotor 51 of a motor 5 on at least a rotating shaft 2, both ends of the rotating shaft 2 have opened hollow portions 21, and a lubricant accumulated in a space 7 is sucked from a lower end opening 22 by a rotary pump 8 disposed on a bottom portion of the space 7 and discharged from an upper end opening 23 so that the lubricant is supplied to the bearing 61.SELECTED DRAWING: Figure 3
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Inventors:
Shuhei Yokoyama
Akiyuki Wakabayashi
Akiyuki Wakabayashi
Application Number:
JP2015118225A
Publication Date:
July 24, 2019
Filing Date:
June 11, 2015
Export Citation:
Assignee:
Nikki Co., Ltd.
International Classes:
F02M59/44; F02B43/00; F02M21/02; F04B53/18
Domestic Patent References:
| JP2007332808A | ||||
| JP10047269A | ||||
| JP10082383A | ||||
| JP2010508457A | ||||
| JP47019662B1 | ||||
| JP6033879A | ||||
| JP2011226449A | ||||
| JP2003120451A |
Foreign References:
| WO1996029516A1 | ||||
| US20030068239 |
Attorney, Agent or Firm:
Katsuhiko Hashimoto
Kyoko Hashimoto
Kyoko Hashimoto