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1. WO2021030319 - COMPRESSOR WITH OPTIMIZED INTERSTAGE FLOW INLET

Publication Number WO/2021/030319
Publication Date 18.02.2021
International Application No. PCT/US2020/045712
International Filing Date 11.08.2020
IPC
F04D 17/12 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
17Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids
08Centrifugal pumps
10for compressing or evacuating
12Multi-stage pumps
F04D 29/68 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
66Combating cavitation, whirls, noise, vibration, or the like; Balancing
68by influencing boundary layers
F04D 29/44 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
40Casings; Connections for working fluid
42for radial or helico-centrifugal pumps
44Fluid-guiding means, e.g. diffusers
F04D 29/46 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
40Casings; Connections for working fluid
42for radial or helico-centrifugal pumps
44Fluid-guiding means, e.g. diffusers
46adjustable
CPC
F04D 17/122
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
17Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
08Centrifugal pumps
10for compressing or evacuating
12Multi-stage pumps
122the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
F04D 29/444
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
40Casings; Connections of working fluid
42for radial or helico-centrifugal pumps
44Fluid-guiding means, e.g. diffusers
441especially adapted for elastic fluid pumps
444Bladed diffusers
F04D 29/462
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
40Casings; Connections of working fluid
42for radial or helico-centrifugal pumps
44Fluid-guiding means, e.g. diffusers
46adjustable
462especially adapted for elastic fluid pumps
F04D 29/684
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
66Combating cavitation, whirls, noise, vibration or the like
68by influencing boundary layers
681especially adapted for elastic fluid pumps
684by fluid injection
Applicants
  • JOHNSON CONTROLS TECHNOLOGY COMPANY [US]/[US]
Inventors
  • IANCU, Florin
Agents
  • DE VELLIS, James
  • ZIEBERT, Joseph
  • CAMPBELL, James
Priority Data
62/885,56312.08.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) COMPRESSOR WITH OPTIMIZED INTERSTAGE FLOW INLET
(FR) COMPRESSEUR AVEC ENTRÉE D'ÉCOULEMENT INTERÉTAGE OPTIMISÉE
Abstract
(EN)
A compressor is provided. The compressor includes a first stage portion with a first impeller assembly and a first diffuser assembly, a second stage portion with a second impeller assembly and a second diffuser assembly, and an interstage portion situated between the first stage portion and the second stage portion. The interstage portion includes a directing vane assembly, a collector passage surrounding the directing vane assembly, and a circumferential insertion slot fluidly coupling the collector passage to the directing vane assembly.
(FR)
L'invention concerne un compresseur. Le compresseur comprend une première partie d'étage avec un premier ensemble turbine et un premier ensemble diffuseur, une seconde partie d'étage avec un second ensemble turbine et un second ensemble diffuseur, et une partie interétage située entre la première partie d'étage et la seconde partie d'étage. La partie interétage comprend un ensemble aube directrice, un passage collecteur entourant l'ensemble aube directrice, et une fente d'insertion circonférentielle couplant fluidiquement le passage collecteur à l'ensemble aube directrice.
Latest bibliographic data on file with the International Bureau