Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot
Patent
1993-07-09
1994-06-14
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Blade received in well or slot
416221, F01D 532
Patent
active
053204921
ABSTRACT:
A sealing and retention device for the blades of a rotor which engage with axial pin settings of the rotor wherein the device includes, in a first embodiment, a flange in the shape of a circular collar which engages the rotor and a locking ring which engages the blades and the flange wherein the locking ring has a conical portion which engages a first protuberance portion of the blades such that upon centrifugal sliding of the locking ring in a radially outward direction, the locking ring is axially displaced toward the flange. The device may also include a conical crest located on the rotor and the flange may have a conical surface for engaging the conical crest of the rotor.
REFERENCES:
patent: 2998959 (1961-09-01), Haworth et al.
patent: 3957393 (1976-05-01), Bandurick
patent: 4192663 (1980-03-01), Herzner
patent: 4730983 (1988-03-01), Naudet et al.
patent: 4767276 (1988-08-01), Barnes et al.
patent: 5052893 (1991-10-01), Catte
patent: 5169289 (1992-12-01), Lalanne
patent: 5211407 (1993-05-01), Glynn et al.
patent: 5257909 (1993-11-01), Glynn et al.
Bouru Michel A.
Charbonnel Jean-Louis
Prato Jean-Claude
Larson James A.
Look Edward K.
Societe Nationale d'Etude et de Construction de moteurs d'Aviati
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