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Expired
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Alexander William Steven
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Individual
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Individual
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Publication of GB190618046ApublicationCriticalpatent/GB190618046A/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
18,046. Steven, A. W. Aug. 11. Fans.-The blades of a fan are each made of plates A of stepped formation. The inner ends A' of the blades are extended into line with the inlet E, but the parts on the inlet side are cut away so as to give free entry to the air. The outermost radial part of each blade may be pivoted or removable. The parts at right-angles, or approximately so, to the radii may be perforated.
GB190618046D1906-08-111906-08-11Improvements in Fans or Blowers
ExpiredGB190618046A
(en)