Damping disposition for rotor vanes

Details Damping disposition for rotor vanes Damping disposition for rotor vanes

1996-09-17

1998-08-11

Denion, Thomas E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416204A, 416248, 416500, 416219R, B63H 120

Patent

active

057918775

ABSTRACT:
Damping disposition for vanes (3) fitted with stilts (4, 5) engaged in the alveoles of the rotor disk (1). Damping elements (10) are added including a portion (11, 12) extending along the flanks (6) of the stilts (4) and including a portion (15) leaning against them. The beating vibrations of the vanes (3) and dampened by these elements able to be used on smooth vanes without any platform, such as large blower vanes. Application for turbo-engines.

REFERENCES:
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patent: 3640640 (1972-02-01), Palfreyman et al.
patent: 3784320 (1974-01-01), Rossmann et al.
patent: 4019832 (1977-04-01), Salemme et al.
patent: 4247257 (1981-01-01), Benoist et al.
patent: 4417854 (1983-11-01), Cain et al.
patent: 4655687 (1987-04-01), Atkinson
patent: 4790723 (1988-12-01), Wilson et al.
patent: 5160243 (1992-11-01), Herzner et al.
patent: 5205713 (1993-04-01), Szpunar et al.
patent: 5240375 (1993-08-01), Wayte

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