Title:
PUMP WITH ELECTRIC MOTOR IMMERSED IN FLUID TO BE PUMPED UP
Document Type and Number:
Japanese Patent JP2008082318
Kind Code:
A
Abstract:
To propose optimization of auxiliary circulation of fluid in a pump for improving the performance level of a balancing system and flow for cooling.
Circuits for the auxiliary circulation of fluid in the pump for the axial balancing and the cooling of specific portions of the pump. The pump comprises a centrifugal region (28) with a fluid axial balancing system (60) and the supply circuit of this balancing system is independent of the or each fluid cooling circuit (90, 50, 48, 52, 86) of specific elements of the pump such as the motor (16) and/or a rolling bearing (38).
Inventors:
WAHL FABIEN
DANGUY FRANCOIS
FAYOLLE PATRICE
LUEND JEAN-YANN
DANGUY FRANCOIS
FAYOLLE PATRICE
LUEND JEAN-YANN
Application Number:
JP2006279780A
Publication Date:
April 10, 2008
Filing Date:
October 13, 2006
Export Citation:
Assignee:
SNECMA
International Classes:
F04D29/58; F04D7/02; F04D13/00; F04D13/08; F04D15/00
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura