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1. WO2005100798 - A PRE-WHIRL GENERATOR, A COMPRESSOR AND A METHOD OF IMPARTING PRE-WHIRL TO A GAS FLOW

Publication Number WO/2005/100798
Publication Date 27.10.2005
International Application No. PCT/GB2005/001425
International Filing Date 13.04.2005
IPC
F04D 27/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
27Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids
02Surge control
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 27/0246
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
27Control, e.g. regulation, of pumps, pumping installations or systems
02Surge control
0246by varying geometry within the pumps, e.g. by adjusting vanes
F04D 29/4213
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
4206especially adapted for elastic fluid pumps
4213suction ports
Applicants
  • INTEGRAL POWERTRAIN LTD [GB]/[GB] (AllExceptUS)
  • BARKER, David, Luke [GB]/[GB] (UsOnly)
Inventors
  • BARKER, David, Luke
Agents
  • FREEMAN, Avi
Priority Data
0408190.713.04.2004GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A PRE-WHIRL GENERATOR, A COMPRESSOR AND A METHOD OF IMPARTING PRE-WHIRL TO A GAS FLOW
(FR) GENERATEUR DE PREROTATION, COMPRESSEUR ET PROCEDE POUR CONFERER UNE ROTATION A UN DEBIT GAZEUX
Abstract
(EN)
The invention provides a pre-whirl generator for generating whirl in a gas flow for a gas compressor, the generator comprising: first and second substantially co-axial gas conduits each for providing a passage for gas into a compressor; a vane provided in at least one of the gas conduits for imparting whirl to a gas flow through said at least one of the gas conduits the vane being provided in a region where said first and second gas paths are separate; and a flow valve arranged in at least one of the gas conduits for controlling the flow through said at least one of the gas conduits thereby providing control of the whirl of the gas flow for the gas compressor.
(FR)
L'invention concerne un générateur de prérotation destiné à produire une rotation dans un débit gazeux pour un compresseur à gaz, ledit générateur comprenant : un premier et un second conduit gazeux qui sont coaxiaux, chacun permettant le passage du gaz dans un compresseur ; une vanne placée dans au moins un conduit de gaz conférant une rotation à un débit gazeux à travers au moins un conduit gazeux, ladite vanne étant placée dans une région, dans laquelle le premier et le second passage gazeux sont séparés ; et un robinet d'écoulement disposée dans au moins un conduit de gaz permettant de contrôler le débit à travers ledit conduit de gaz, tout en régulant la rotation du débit gazeux pour le compresseur de gaz.
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