Housing for a fluid flow or jet engine

Details Housing for a fluid flow or jet engine Housing for a fluid flow or jet engine

1985-03-25

1986-06-10

Smith, Leonard E.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Erodable or permanently deformable

277 53, 415200, 427 34, 427423, 428632, F01D 1108

Patent

active

045940533

ABSTRACT:
A coolable housing wall for hot gas fluid flow engines, especially for a gas turbine of the air jet type, is provided on its radially inwardly facing surface with a carrier for a single cover layer forming a running-in coating. The cover layer is applied by thermal spraying to form a ceramic coating having a high heat and corrosion resistance. The single cover layer has a substantially uniform thickness and projects radially inwardly from the carrier, preferably by forming ridges facing the blade tips of a rotor in the housing. Such cover layer also has a high erosion resistance.

REFERENCES:
patent: 3126149 (1964-03-01), Bowers, Jr. et al.
patent: 3295941 (1967-01-01), Spellman
patent: 4227703 (1980-10-01), Stalker et al.
patent: 4280975 (1981-07-01), Ammann
patent: 4289447 (1981-09-01), Sterman et al.
patent: 4405284 (1983-09-01), Albrecht et al.
patent: 4433845 (1984-02-01), Shiembob
Lubrication Engineering (1981) Apr., pp. 103 to 106.

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