Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received in well or slot
Patent
1991-06-26
1992-12-22
Kwon, John T.
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Blade received in well or slot
416 95, F01D 532
Patent
active
051730243
ABSTRACT:
An annular member is attached coaxially to a disk of a turboshaft engine by ounting element comprising two separate sets of interengageable lugs, each set consisting of one ring of equi-angularly spaced lugs on the disk and another ring of equi-angularly spaced lugs on the annular member which is interengageable with the first ring by interleaving and overlapping the lugs of the two rings in bayonet fashion, the two sets of lugs being offset radially from each other and arranged so that they are interengageable simultaneously with each other. In addition the disk and the annular member are provided with substantially cylindrical coaxial surfaces which engage each other to ensure that the annular member is centered on the disk when the two sets of lugs are interengaged to attach the member to the disk.
REFERENCES:
patent: 2988325 (1961-06-01), Dawson
patent: 3010696 (1961-11-01), Everett
patent: 3023998 (1962-03-01), Sanderson, Jr.
patent: 4019833 (1977-04-01), Gale
patent: 4021138 (1977-05-01), Scalzo et al.
patent: 4701105 (1987-10-01), Cantor et al.
Mouchel Jacques H.
Taillant Jean-Claude C.
Kwon John T.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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