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1. WO2000042324 - BLOW DEVICE

Publication Number WO/2000/042324
Publication Date 20.07.2000
International Application No. PCT/EP2000/000365
International Filing Date 18.01.2000
Chapter 2 Demand Filed 10.06.2000
IPC
A61M 16/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
F04D 29/42 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
F04D 29/66 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
CPC
A61M 16/0066
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
0057Pumps therefor
0066Blowers or centrifugal pumps
F04D 29/4226
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
4226Fan casings
F04D 29/664
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
661especially adapted for elastic fluid pumps
663Sound attenuation
664by means of sound absorbing material
F05B 2250/15
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
2250Geometry
10two-dimensional
15spiral
F05B 2250/25
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
BINDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
2250Geometry
20three-dimensional
25helical
Applicants
  • MAP MEDIZINTECHNIK FÜR ARZT UND PATIENT GMBH & CO. KG [DE/DE]; Fraunhoferstrasse 16 D-82152 Martinsried, DE (AllExceptUS)
  • KLOPP, Andreas [DE/DE]; DE (UsOnly)
  • SCHÄTZL, Stefan [DE/DE]; DE (UsOnly)
Inventors
  • KLOPP, Andreas; DE
  • SCHÄTZL, Stefan; DE
Agents
  • RÖSSIG, Rolf; Schloss-Strasse 27 D-86556 Kühbach, DE
Priority Data
199 01 780.818.01.1999DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) GEBLÄSEEINRICHTUNG
(EN) BLOW DEVICE
(FR) ENSEMBLE SOUFFLANTE
Abstract
(DE)
Die vorliegende Erfindung betrifft eine Gebläseeinrichtung, insbesondere zur Verwendung in einer Beatmungseinrichtung zur Förderung eines Atemgases. Die erfindungsgemässe Gebläseeinrichtung umfasst ein über eine Antriebseinrichtung angetriebenes Laufrad, welches ein Atemgas zu einem Abströmkanal (24) fördert. Auf dem Weg in diesen Abströmkanal überströmt das geförderte Gas eine Strömungsabrissstufe, die gemeinsam mit einer sich spiralförmig erweiternden Umfangswand das unmittelbar aus dem Radiallaufrad abströmende Gas ablenkt. Die Erfindung betrifft weiterhin ein mit einer derartigen Gebläseeinrichtung ausgestattetes CPAP-Gerät.
(EN)
The invention relates to a blow device, for use notably in a ventilation device for delivering a breathing gas. The blow device provided for in the invention comprises an impeller which is driven via a drive unit and delivers a breathing gas to an outflow channel (24). On the way to said outflow channel the delivered gas flows over a flow breakaway step which together with a spirally expanding peripheral wall deflects the gas immediately as it flows out of the radial impeller. The invention also relates to a continuous positive airway pressure apparatus fitted with such a blow device.
(FR)
L'invention concerne un ensemble soufflante, destiné à être utilisé notamment dans un appareil respiratoire afin d'acheminer un gaz respiratoire. Cet ensemble soufflante comprend un rotor entraîné par une unité d'entraînement et acheminant un gaz respiratoire à un canal d'évacuation (24). Sur le trajet menant à ce canal d'évacuation, le gaz transporté passe par un étage de détachement d'écoulement qui coopère avec une paroi périphérique s'élargissant en forme de spirale pour dévier le gaz sortant directement du rotor radial. L'invention concerne également un appareil de ventilation spontanée en pression positive continue équipé d'un tel ensemble soufflante.
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