Cooled rotor blade

Details Cooled rotor blade Cooled rotor blade

1978-07-10

1981-03-24

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

415115, F01D 518

Patent

active

042577373

ABSTRACT:
A cooled rotor blade is constructed having a cooling passage extending from the root and through the airfoil shaped section in a serpentine fashion, making several passes between the bottom and top thereof; a plurality of openings connect said cooling passage to the trailing edge; a plurality of compartments are formed lengthwise behind the leading edge of the blade; said compartments having openings extending through to the exterior forward portion of the blade; and sized openings connect the cooling passage to each of the compartments to control the pressure in each compartment.

REFERENCES:
patent: 3370829 (1968-02-01), Banthin et al.
patent: 3528751 (1970-09-01), Quinones et al.
patent: 3533711 (1970-10-01), Kercher
patent: 3628885 (1971-12-01), Sidenstick et al.
patent: 3644059 (1972-02-01), Bryan
patent: 3799696 (1974-03-01), Redman
patent: 3891348 (1975-06-01), Auxier
patent: 3930748 (1976-01-01), Redman et al.
patent: 4019831 (1977-04-01), Franklin et al.
patent: 4026659 (1977-05-01), Freeman
patent: 4073599 (1978-02-01), Allen et al.
patent: 4162136 (1979-07-01), Parkes
Gas Turbine International, Jul.-Aug. 1977, vol. 18, No. 4, p. 51.

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