Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...
Patent
1981-12-28
1985-05-07
Scott, Samuel
Fluid reaction surfaces (i.e., impellers)
With heating, cooling or thermal insulation means
Changing state mass within or fluid flow through working...
416 97R, 415115, F01D 518
Patent
active
045155267
ABSTRACT:
A coolable airfoil 10 for rotary machines is disclosed. The airfoil has a passage 54 extending spanwisely through the leading edge region 26 of the blade. The passage has a plurality of trip strips 68 canted toward the direction flow. Each trip strip includes a vortex generator integrally formed with the trip strip which is spaced from the wall of the airfoil. In one embodiment, a plurality of trip strips each having an integral vortex generator are disposed in the passageway and at least one of the vortex generators is of greater height than the remaining vortex generators.
REFERENCES:
patent: 3370829 (1968-02-01), Banthin et al.
patent: 3628885 (1971-12-01), Sidenstick et al.
patent: 3806274 (1974-04-01), Moore
patent: 4173120 (1979-11-01), Grosjean et al.
Bowman Brian J.
Fleischhauer Gene D.
Scott Samuel
United Technologies Corporation
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