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Class 417/81 - Multiple-stage rotary pump


Subclass of Class 417 - Pumps
Definition: Apparatus in which the rotary nonexpansible chamber-type
No. of patents: 1
Last issue date: 10/24/2006


NumberTitleIssue Date
7125219High-pressure fan
The invention relates to a high-pressure fan which comprises an electric motor provided with a shaft that goes through it; blade wheels which are mainly made of a carbon fibre-based composite material, arranged on both sides of the electric motor and mounted directl...
10/24/2006
 
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