Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Vane or deflector
Reexamination Certificate
2005-02-08
2005-02-08
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Vane or deflector
C415S186000, C416S203000
Reexamination Certificate
active
06851928
ABSTRACT:
A diffuser plate22for a bypass blower motor assembly has a number of vanes34for guiding air flow from an impeller to outlet openings in an impeller housing. Each vane has two curved air guiding blades36, 37. One blade36guides the air axially and circumferentially from the impeller towards the outlet openings and the other blade37guides the air radially through the outlet openings.
REFERENCES:
patent: 3263909 (1966-08-01), Mazepa
patent: 4767285 (1988-08-01), Jyoraku
patent: 5394041 (1995-02-01), Oberdorfer-Bögel
patent: 6166462 (2000-12-01), Finkenbinder et al.
patent: 6179561 (2001-01-01), Horng
patent: 1 025 792 (2000-08-01), None
patent: 1 048 258 (2000-11-01), None
Poon Kwong Yip
Tam Siu Chun
Birch & Stewart Kolasch & Birch, LLP
Johnson Electric S.A.
Look Edward K.
McAleenan James M.
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