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1. WO1997039291 - REFRIGERATING SYSTEM AND CENTRIFUGAL COMPRESSOR ASSEMBLY FOR SAID SYSTEM

Publication Number WO/1997/039291
Publication Date 23.10.1997
International Application No. PCT/RU1996/000093
International Filing Date 22.04.1996
Chapter 2 Demand Filed 04.11.1997
IPC
F04D 25/16 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
25Pumping installations or systems specially adapted for elastic fluids
16Combinations of two or more pumps
F04D 29/58 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
58Cooling; Heating; Diminishing heat transfer
F25B 1/10 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
1Compression machines, plant or systems with non-reversible cycle
10with multi-stage compression
F25B 31/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
31Compressor arrangements
CPC
F04D 25/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
25Pumping installations or systems
16Combinations of two or more pumps ; Producing two or more separate gas flows
F04D 29/582
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
58Cooling
582specially adapted for elastic fluid pumps
F25B 1/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
1Compression machines, plant, or systems with non-reversible cycle
10with multi-stage compression
F25B 2400/13
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2400General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
13Economisers
F25B 2400/23
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2400General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
23Separators
F25B 31/006
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
31Compressor arrangements
006cooling of compressor or motor
Applicants
  • VIC DYNAMIC PROJECTS LIMITED [GB]/[GB] (AllExceptUS)
  • VERESCHAGIN, Mikhail Petrovich [RU]/[RU] (UsOnly)
  • KOROLEV, Eduard Gennadievich [RU]/[RU] (UsOnly)
  • KOLONCHIN, Viktor Semenovich [RU]/[RU] (UsOnly)
Inventors
  • VERESCHAGIN, Mikhail Petrovich
  • KOROLEV, Eduard Gennadievich
  • KOLONCHIN, Viktor Semenovich
Agents
  • OOO 'JUSTIS'
Priority Data
9610691017.04.1996RU
Publication Language Russian (RU)
Filing Language Russian (RU)
Designated States
Title
(EN) REFRIGERATING SYSTEM AND CENTRIFUGAL COMPRESSOR ASSEMBLY FOR SAID SYSTEM
(FR) INSTALLATION DE REFROIDISSEMENT ET SYSTEME DE COMPRESSEUR CENTRIFUGE POUR CETTE INSTALLATION
Abstract
(EN)
The refrigerating system comprises a condenser, evaporator and two-stage centrifugal compressor assembly with an electric motor provided with a cooling system. The condenser inlet is connected to the compressor assembly outlet, while the condenser outlet is connected via the first and second choke elements to the inlet of the evaporator and cooling system. The evaporator outlet communicates with the compressor assembly inlet, the cooling system outlet communicates with the inlet of the second stage of the assembly. The cooling system is provided with a cooling skirt whose cavity lies between the stator and housing. The system is provided with a separator vessel, a recuperative heat exchanger and a heat-regulating valve controlled by the coolant pressure and temperature at the cooling skirt inlet and fitted in series with the separator vessel in the line connecting the condenser inlet to the evaporator. The separator vessel is connected by the gas phase to the coolant feed duct. The heat exchanger is connected by the coolant to the line connecting the condenser outlet to the evaporator inlet via the separator vessel. The second choke element is a heat-controlled valve regulated by the pressure and temperature of the coolant in the coolant discharge line from the cooling skirt.
(FR)
Cette invention concerne une installation de refroidissement, laquelle comprend un condenseur, un évaporateur, ainsi qu'un dispositif de compression centrifuge à deux étages qui est alimenté par un moteur électrique comportant un système de refroidissement. L'entrée du condenseur est connectée à la sortie du dispositif, tandis que sa sortie est connectée par l'intermédiaire d'un premier et d'un second élément d'étranglement à l'entrée de l'évaporateur et du système de refroidissement. La sortie de l'évaporateur est connectée à l'entrée du dispositif, et la sortie du système de refroidissement est connectée à l'entrée du deuxième étage du dispositif. Le système de refroidissement comprend également une enveloppe de refroidissement dont la cavité se situe entre le stator et le corps. Cette installation comprend également un récipient de séparation, un échangeur thermique de récupération, ainsi qu'un clapet de régulation thermique. Ce clapet, qui est réglé en fonction de la pression et de la température d'un agent de refroidissement à son entrée dans l'enveloppe, est monté en série avec le récipient de séparation dans la ligne reliant l'entrée du condenseur à l'évaporateur. Le récipient de séparation est connecté par la phase gazeuse à un canal d'alimentation en agent de refroidissement. L'échangeur thermique est connecté à la ligne reliant la sortie du condenseur à l'entrée de l'évaporateur grâce au milieu de refroidissement et par l'intermédiaire du récipient de séparation. Le second élément d'étranglement se présente sous forme d'un clapet à réglage thermique, lequel est réglé en fonction de la pression et de la température de l'agent de refroidissement dans la ligne qui évacue ce dernier hors de l'enveloppe de refroidissement.
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