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Title:
SUPPORT DEVICE FOR MOVABLE MEMBER AND PUMP DEVICE
Document Type and Number:
Japanese Patent JP2002276658
Kind Code:
A
Abstract:

To provide a pump device having a simple structure and a bearing structure dispensing with a lubricating material.

A refrigerant (liquid ammonia) channel 2 communicating a suction port 33 and a delivery port 43 is formed in a housing 3 and a bearing member 5 composed of amorphous carbon is provided in the housing 3 in a state fitted in the channel 2 so as to support a rotary shaft 4. A driving means 9 rotating the rotary shaft 4 by a rotor 7 provided in the rotary shaft by fitted in the channel 2 and a stator 8 provided by externally surrounding the rotor 7 in the outside of the housing 3. A pump body 10 connected to the rotary shaft 4 and delivering liquid is interposed on the way to the channel 2.


Inventors:
KATSUKURA AKIZO
KATSUKURA MIKINE
FURUKAWA MASAO
MIYAZAKI KOJI
AOYANAGI YUJI
MIYAGI NAOKI
Application Number:
JP2001079595A
Publication Date:
September 25, 2002
Filing Date:
March 19, 2001
Export Citation:
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Assignee:
KATSUKURA AKIZO
MIYAZAKI KOJI
KATSUKURA MIKINE
NAT SPACE DEV AGENCY
JAPAN SPACE FORUM
MIYAGI NAOKI
International Classes:
B64G1/22; B64G1/50; B64G1/64; F01C21/02; F04C2/10; F04C11/00; F04B39/00; F04C15/00; F04C29/00; F16C17/02; F16C31/02; F16C33/16; F16C33/24; (IPC1-7): F16C31/02; F04B39/00; F04C2/10; F04C15/00; F04C29/00; F16C33/24
Attorney, Agent or Firm:
Keiichiro Nishikyo (2 outside)
Nishikyo Keiichiro (1 outside)



 
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