Title:
可変容量型斜板式ピストンポンプ、及び可変容量型斜板式ピストンポンプの製造方法
Document Type and Number:
Japanese Patent JP6756290
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To suppress peeling of a slide surface of a bushing.SOLUTION: The whole circumference of the inner surface 40a of a groove 40 is in a tapered shape that is inclined toward a virtual straight line L2 according as separating from a slide surface 25a. Therefore, the pressure of hydraulic oil supplied in the groove 40 acts on the inner surface 40a of the groove 40 in a direction separating from the slide surface 25a, namely toward a base part 45 side with respect to the inner surface 40a of the groove 40. Then, the pressure of hydraulic oil supplied in the groove 40 acts to adhere a resin part 46 to a base part 45 so that peeling of the resin part 46 with respect to the base part 45 is suppressed. Accordingly, peeling of the slide surface 25a of a bushing 25 is suppressed.SELECTED DRAWING: Figure 5
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Inventors:
Riki Matsuo
Naoya Yokomachi
Yuki Ueda
Uno Mineshi
Daisuke Maruyama
Naoya Yokomachi
Yuki Ueda
Uno Mineshi
Daisuke Maruyama
Application Number:
JP2017062523A
Publication Date:
September 16, 2020
Filing Date:
March 28, 2017
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
F04B1/22
Domestic Patent References:
| JP2000205119A | ||||
| JP4887231A | ||||
| JP9166074A | ||||
| JP2014126069A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda