Single or Multiple Stage Blower and Nested Volute(s) and/or Impeller(s) Therefor

A single ended or double-ended blower comprising a blower motor assembly (M) supporting opposed first (258) and second (260) shaft ends, the first (258) and second (260) shaft ends having respective first (244) and second (248) impellers attached thereto and enclosed within first (247) and second (2...

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Bibliographic Details
Main Authors WILSON, ANDREW, SMITH, IAN MALCOLM, REED, NICHOLAS JEROME, KENYON, BARTON JOHN
Format Patent
LanguageEnglish
Published 02.05.2013
Subjects
BLASTING
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
HEATING
HUMAN NECESSITIES
HYGIENE
LIGHTING
MECHANICAL ENGINEERING
MEDICAL OR VETERINARY SCIENCE
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:A single ended or double-ended blower comprising a blower motor assembly (M) supporting opposed first (258) and second (260) shaft ends, the first (258) and second (260) shaft ends having respective first (244) and second (248) impellers attached thereto and enclosed within first (247) and second (251) volutes, respectively, wherein the first volute (247) is connected to an inlet (264) and the second volute (251) is connected to an outlet (276); and the blower motor assembly (M) supported in a chassis enclosure (238); a radially outer inter-stage path between the first (247) and second (251) volute, wherein the second (251) volute is at least partially substantially concentrically nested with the radially outer inter-stage gas path.
Bibliography:Application Number: AU20130202608