Title:
水噴射式スクリュ圧縮機
Document Type and Number:
Japanese Patent JP5714945
Kind Code:
B2
Abstract:
A water-lubrication type screw fluid machine has a first non-contact seal, a second non-contact seal and a lip seal disposed between a rotor chamber and a bearing for a rotor shaft. The bearing is located on the high pressure side and in this order from the rotor chamber side. the bearing includes a low pressure communicating channel for allowing an outflow space formed on the rotor chamber side with respect to the first non-contact seal to communicate with a low pressure channel for the target gas communicating with a low pressure space inside the rotor chamber or the rotor chamber, a pressurized communicating channel for introducing high-pressure target gas into a pressurized space formed between the first and second non-contact seals, and an open communicating channel through which an open space formed between the second non-contact seal and the lip seal opens to the outside of the casing.
Inventors:
Shoji Yoshimura
Toru Noguchi
Toru Noguchi
Application Number:
JP2011052868A
Publication Date:
May 07, 2015
Filing Date:
March 10, 2011
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
F04C18/16; F04C27/00; F04C29/02; F04C29/12
Domestic Patent References:
| JP2009287413A | ||||
| JP10252901A | ||||
| JP62186073A | ||||
| JP56155162U | ||||
| JP8504915A |
Attorney, Agent or Firm:
Mitsuo Tanaka
Takuji Yamada
Atsushi Maeda
Takuji Yamada
Atsushi Maeda