Title:
流体機械及びそれを備えた冷凍サイクル装置
Document Type and Number:
Japanese Patent JP4969646
Kind Code:
B2
Abstract:
A fluid machine (10) includes: a closed casing (11) having an oil reservoir (16) in its bottom portion; a main compression mechanism (3) supplied with oil contained in an upper portion (16a) of the oil reservoir; a rotation motor (8); a main compression mechanism side shaft (38) for coupling the main compression mechanism (3) and the rotation motor (8); a mechanical power recovery mechanism (5) disposed below the upper portion (16a) and recovering mechanical power from a working fluid; a sub-compression mechanism (2) disposed below the upper portion (16a); a mechanical power recovery shaft (16) for coupling the mechanical power recovery mechanism (5) and the sub-compression mechanism (2); and a heat-insulating structure (80) located between the upper portion (16a) and the mechanical power recovery mechanism (5) and restricting flow of oil between the upper portion (16a) of the oil reservoir (16) and a lower portion (16b) of the oil reservoir in which the mechanical power recovery mechanism (5) is provided.
Inventors:
Yasufumi Takahashi
Hiroshi Hasegawa
Hiroshi Hasegawa
Application Number:
JP2009513984A
Publication Date:
July 04, 2012
Filing Date:
April 02, 2008
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
F01C21/06; F01C1/356; F01C13/04; F04C23/02; F04C29/04
Domestic Patent References:
| JP2006266171A | ||||
| JP2005098604A | ||||
| JP2007315227A |
Foreign References:
| WO2006103821A1 |
Attorney, Agent or Firm:
Koichi Kamata
Noriaki Aso
Noriaki Aso