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1. WO2020136815 - OIL SEPARATOR, SCREW COMPRESSOR, AND REFRIGERATION CYCLE DEVICE

Publication Number WO/2020/136815
Publication Date 02.07.2020
International Application No. PCT/JP2018/048176
International Filing Date 27.12.2018
IPC
F04B 39/04 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
39Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/-F04B37/225
04Measures to avoid lubricant contaminating the pumped fluid
F04C 29/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
29Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups F04C18/-F04C28/193
02Lubrication; Lubricant separation 
CPC
F04B 39/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
39Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
04Measures to avoid lubricant contaminating the pumped fluid
F04C 29/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
29Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
02Lubrication
Applicants
  • 三菱電機株式会社 MITSUBISHI ELECTRIC CORPORATION [JP]/[JP]
Inventors
  • 上中居 直人 UENAKAI, Naoto
Agents
  • 特許業務法人きさ特許商標事務所 KISA PATENT & TRADEMARK FIRM
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) OIL SEPARATOR, SCREW COMPRESSOR, AND REFRIGERATION CYCLE DEVICE
(FR) SÉPARATEUR D'HUILE, COMPRESSEUR À VIS ET DISPOSITIF À CYCLE FRIGORIFIQUE
(JA) 油分離器、スクリュー圧縮機及び冷凍サイクル装置
Abstract
(EN)
This oil separator comprises: a cylindrical outer cylinder part in which an inflow port for a refrigerant gas is formed; a cylindrical inner cylinder part provided at a position facing the inflow port in the inside the outer cylinder part; an oil reservoir that is provided below the outer cylinder part and that stores the refrigeration machine oil; and a partition plate that partitions the outer cylinder part and the oil reservoir. An oil return hole is formed that communicates between the interior of the outer cylinder part and the oil reservoir, and a rectifying plate is provided to the oil return hole.
(FR)
Ce séparateur d'huile comprend : une partie cylindrique exterieure dans laquelle un orifice d'entrée pour un gaz réfrigérant est formé; une partie cylindrique interieure disposée dans une position faisant face à l'orifice d'entrée à l'intérieur de la partie cylindre externe; un réservoir d'huile qui est disposé au-dessous de la partie de cylindre exterieur et qui stocke l'huile de machine frigorifique; et une plaque de séparation qui sépare la partie de cylindre exterieur et le réservoir d'huile. Un trou de retour d'huile est formé qui communique entre l'intérieur de la partie cylindrique exterieure et le réservoir d'huile, et une plaque de rectification est disposée sur le trou de retour d'huile.
(JA)
本発明に係る油分離器は、冷媒ガスの流入口が形成された筒状の外筒部と、前記外筒部の内部において前記流入口と対向する位置に設けられた筒状の内筒部と、前記外筒部の下方に設けられ、冷凍機油を貯留する油貯留部と、前記外筒部と前記油貯留部とを区切る仕切板と、を備え、前記外筒部の内部と前記油貯留部とを連通する返油孔が形成され、前記返油孔に整流板が設けられている。
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