Porous metal sheet laminate

Details Porous metal sheet laminate Porous metal sheet laminate

1979-10-12

1981-09-29

Lewis, Michael L.

Stock material or miscellaneous articles

All metal or with adjacent metals

Honeycomb, or with grain orientation or elongated elements...

428596, 60265, 60754, 60755, 431350, 431352, B32B 1501

Patent

active

042923760

ABSTRACT:
A sheet laminate is utilised in the manufacture of a combustion chamber for a gas turbine engine. The laminate has passages therethrough, which connect with ambient atmosphere via holes. The arrangement creates local relatively thick portions or lands which cause stress concentrations along the passages and lines of holes. Therefore pockets are machined in the rear face of each land, so as to reduce the differences in thickness of the laminate and thereby ensure the more even distribution of stresses.

REFERENCES:
patent: 3584972 (1971-06-01), Bratkovich et al.
patent: 3672787 (1972-06-01), Thorstenson
patent: 3864199 (1975-02-01), Meginnis
patent: 4004056 (1977-01-01), Carvoll

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