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1. WO2013009193 - IMPELLER AND MOTOR ASSEMBLY

Publication Number WO/2013/009193
Publication Date 17.01.2013
International Application No. PCT/NZ2012/000124
International Filing Date 13.07.2012
IPC
A61M 16/10 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
10Preparation of respiratory gases or vapours
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
A61M 16/0069
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
0069the speed thereof being controlled by respiratory parameters, e.g. by inhalation
A61M 16/16
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
10Preparation of respiratory gases or vapours
14by mixing different fluids, one of them being in a liquid phase
16Devices to humidify the respiration air
A61M 2205/42
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
2205General characteristics of the apparatus
42Reducing noise
F04C 2270/041
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
2270Control; Monitoring or safety arrangements
04Force
041Controlled or regulated
F04D 17/162
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
16for displacing without appreciable compression
162Double suction pumps
Applicants
  • FISHER & PAYKEL HEALTHCARE LIMITED [NZ]/[NZ] (AllExceptUS)
  • BOTHMA, Johannes Nicolaas [ZA]/[NZ] (UsOnly)
  • BENT, Scott [NZ]/[NZ] (UsOnly)
  • DARBY, Adam, John [NZ]/[NZ] (UsOnly)
Inventors
  • BOTHMA, Johannes Nicolaas
  • BENT, Scott
  • DARBY, Adam, John
Agents
  • DEVINE, Matthew, D.
Priority Data
61/507,38413.07.2011US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPELLER AND MOTOR ASSEMBLY
(FR) ENSEMBLE ROTOR ET MOTEUR
Abstract
(EN)
A lightweight impeller is provided for use in a pressurised gas source for a CPAP or other breathing assistance apparatus. The impeller can be shroudless or otherwise lightweight.
(FR)
L'invention concerne un rotor léger destiné à être utilisé dans une source de gaz comprimé pour un CPAP ou un autre appareil d'assistance respiratoire. Le rotor peut être caréné ou autrement léger.
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