Title:
HYDRAULIC PUMP
Document Type and Number:
WIPO Patent Application WO/2017/029963
Kind Code:
A1
Abstract:
Provided is a hydraulic pump having a rotating shaft supported so as to be rotatable relative to a casing. The hydraulic pump is provided with: bearing sections provided respectively on one end side and the other end side of the rotating shaft; and a first annular member provided on the one end side and/or the other end side of the rotating shaft around the rotating shaft. The bearing section on the one end side and/or the other end side has: a support section for rotatably supporting the rotating shaft; and a preload application member for applying an axial preload to the support section. The first annular member is disposed axially between a receiving section of the rotating shaft and the bearing section on the one end side and/or the other end side. The inner diameter of the first annular member is greater than the diameter of the rotating shaft.
Inventors:
MATSUO TSUTOMU (JP)
YOKOMACHI NAOYA (JP)
UEDA YUKI (JP)
UNO TAKASHI (JP)
YOKOMACHI NAOYA (JP)
UEDA YUKI (JP)
UNO TAKASHI (JP)
Application Number:
PCT/JP2016/072208
Publication Date:
February 23, 2017
Filing Date:
July 28, 2016
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
F04B1/22; F16C25/08
Domestic Patent References:
| WO2012008438A1 | 2012-01-19 |
Foreign References:
| JPS6125070U | 1986-02-14 | |||
| JPH04279775A | 1992-10-05 | |||
| JPH0574166U | 1993-10-08 | |||
| JP2008213098A | 2008-09-18 | |||
| JP2005207310A | 2005-08-04 | |||
| JP2001298893A | 2001-10-26 | |||
| JPH10174362A | 1998-06-26 | |||
| JP2014506108A | 2014-03-06 | |||
| JPS60224981A | 1985-11-09 |
Other References:
See also references of EP 3339642A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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