Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1978-09-28
1980-09-09
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...
416183, 416214A, 416241B, F01D 518, F01D 528, F01D 530
Patent
active
042215404
ABSTRACT:
A centripetal turbine rotor has ceramic blades with integral blade roots of arcuate axial section which are clamped axially between two supporting elements mounted on a common shaft so that the ceramic blade roots are maintained in compressive stress along their arcuate, radially inwardly convex, profiles, opposing centrifugal strain in the blade roots.
Cooling air may be supplied along axial channels in one hub to an internal chamber within the blade roots and may thence flow outwardly into the gases flowing through the turbine.
REFERENCES:
patent: 3042366 (1962-07-01), Holmquist
patent: 3746469 (1973-07-01), Mason
patent: 3943703 (1976-03-01), Kronogard
patent: 4011737 (1977-03-01), Kruger et al.
patent: 4125344 (1978-11-01), Tiefenbacher
Powell Jr. Everette A.
Trausch, III A. N.
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