Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received by continuous circumferential channel
Patent
1982-12-20
1984-07-31
Marcus, Stephen
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Blade received by continuous circumferential channel
416216, 416217, 416220R, F01D 532
Patent
active
044627564
ABSTRACT:
A filler member for a rotor of a turbomachine in which the rotor is of the type comprising a body provided with a peripheral groove. Each side of the groove has a flange which has a surface facing radially inwards. A circumferential array of blades, each of which has a root shaped to engage the inward facing surfaces of the flanges and is capable of sliding along the groove. At least one of the flanges has a first recess therein to enable the blades to be loaded into, and removed from the groove. The filler member comprises, a base portion extending along the groove below the roots of one or more of said blades and has at least one tab connected to the base portion extending outwardly therefrom. The tab is movable relative to the base portion between a first position in which the tab is clear of said first recess and thereby allows the filler member to move along the groove and a second position in which the tab is located in the recess and so prevents said filler member from moving along the groove. At least one second recess is defined in said filler member in which the root of one of the blades located to prevent them moving around the groove.
REFERENCES:
patent: 3053504 (1962-09-01), Shelley
patent: 3383094 (1968-05-01), Diggs
patent: 3597112 (1971-08-01), Garten
patent: 3902824 (1975-09-01), Sauer
Muggleworth Simon D.
Sparrow Colin G.
Kwon John
Marcus Stephen
Rolls Royce Limited
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