Title:
給液式スクリュー圧縮機
Document Type and Number:
Japanese Patent JP6945729
Kind Code:
B2
Abstract:
An internal liquid pathway in this liquid supply type screw compressor includes a slit-like injection section open to a bore and injecting liquid into an operating chamber. A casing is provided with a first casing and a second casing which are separated along a plane intersecting the axes of screw rotors at an axial position between the suction-side end surfaces and the discharge-side end surfaces of the rotor tooth sections of the screw rotors. The joining surface of the first casing, which is joined to the second casing, is provided with a groove open to the bore. The groove forms, together with the joining surface of the second casing, the injection section.
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Inventors:
Masahiko Takano
Zenpei Takeuchi
Yorige Shigeyuki
Kenji Morita
Zenpei Takeuchi
Yorige Shigeyuki
Kenji Morita
Application Number:
JP2020516067A
Publication Date:
October 06, 2021
Filing Date:
February 26, 2019
Export Citation:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
F04C18/16; F04C18/18; F04C29/02; F04C29/04
Domestic Patent References:
| JP60249689A | ||||
| JP53118104U | ||||
| JP2016156389A | ||||
| JP2014214740A |
Foreign References:
| WO2008153061A1 |
Attorney, Agent or Firm:
Kaichi International Patent Office