Title:
INSTALLING STRUCTURE OF IMPELLER ONTO CERAMIC SHAFT
Document Type and Number:
Japanese Patent JPS58220901
Kind Code:
A
Abstract:
PURPOSE:To prevent breakage of the screw part of a nut by installing a metal sleeve between a ceramic shaft and an impeller and engaging the edge part of said metal sleeve extended from the hub on a diffuser side with said ceramic shaft. CONSTITUTION:The engagement part 13D which is projectingly formed on the inner peripheral surface at the edge part of the extension part 13A of a metal sleeve 13 is fit into the engagement groove 15 on a ceramic shaft 1. Then, an impeller 2 is shrink-fitted onto the fitting part 13B of the sleeve 13, and the back surface of the impeller 2 is brought into contact with a stepped part 13C, and said impeller 2 is pressed onto the stepped part 13C by a nut 3.
Inventors:
ACHINAMI SEIJI
Application Number:
JP10130382A
Publication Date:
December 22, 1983
Filing Date:
June 15, 1982
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
F02B39/00; F01D5/02; F01D5/04; F01D5/28; F04D29/053; F04D29/28; (IPC1-7): F01D5/04; F01D5/28; F02B39/00; F02C7/00; F04D29/04; F04D29/28
Domestic Patent References:
| JPS56159600A | 1981-12-08 |
Attorney, Agent or Firm:
Yoshikazu Tani