Title:
ライナーリング、および該ライナーリングを備えたポンプ、並びにライナーリングの交換方法
Document Type and Number:
Japanese Patent JP7013255
Kind Code:
B2
Abstract:
To provide a liner ring having a simple configuration capable of preventing erosion at a pump caused by cavitation and the like.SOLUTION: A liner ring 19 arranged around a liquid inlet 9a of an impeller 9 of a pump 1 comprises a suction side end surface 19a, a discharging side end surface 19b, an inner peripheral guide surface 19c positioned between the suction side end surface 19a and the discharging side end surface 19b and an outer peripheral surface 19d. If a distance between the inner peripheral guide surface 19c and the outer peripheral surface 19d in a radial direction of the liner ring is defined as L1 and a distance between the suction side end surface 19a and the discharging side end surface 19b is defined as L2, a ratio of L1 to L2 is at least 0.5.SELECTED DRAWING: Figure 3
Inventors:
Hanano super
Application Number:
JP2018007879A
Publication Date:
January 31, 2022
Filing Date:
January 22, 2018
Export Citation:
Assignee:
Ebara Corporation
International Classes:
F04D29/16; F04D29/42; F16J15/00
Domestic Patent References:
| JP2013227970A | ||||
| JP61019697U | ||||
| JP506041B1 |
Foreign References:
| US4208166 |
Attorney, Agent or Firm:
Tetsuya Hirosawa
Yutaro Watanabe
Yutaro Watanabe