Tip cap for a rotor blade and method of replacement

Details Tip cap for a rotor blade and method of replacement Tip cap for a rotor blade and method of replacement

1980-05-01

1983-06-28

Smith, Leonard E.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

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

416224, 416228, 415172A, 415174, 291568B, F01D 518, F01D 520

Patent

active

043903207

ABSTRACT:
A tip cap for a rotor blade which includes at least one radially extending rib having an abrasive coating thereon for providing a close clearance seal between the rotor blade and the surrounding shroud and also for cleaning the shroud of deposits of material thereon. The tip cap can include a cooling arrangement therein comprising a plurality of cooling passages and a thermal barrier. A method is provided for replacing one tip cap with another and includes the steps of removing a tip cap, machining the end of the rotor blade flat, aligning the replacement tip cap and securing it with the rotor blade.

REFERENCES:
patent: 3199836 (1965-08-01), Moyer
patent: 3854842 (1974-12-01), Caudill
patent: 3899267 (1975-08-01), Dennis et al.
patent: 4169020 (1979-09-01), Stalker et al.

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