Perforated laminated material

Details Perforated laminated material Perforated laminated material

1977-11-03

1979-09-18

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Width or thickness variation or marginal cuts repeating...

60 3965, 60 3969R, 416 90R, 416 95, 416 97A, 428594, 428586, F01D 518

Patent

active

041683480

ABSTRACT:
A material suitable for making combustion chambers for gas turbine engines comprises at least two abutting sheets of perforated material, the perforation being out of alignment and interconnected by a series of channels formed on one or both of the abutting surfaces of abutting sheets. The total cross-sectional area of the perforations in at least one sheet is at least double the total cross-sectional area of the perforations in the remaining sheets or sheets per unit area.

REFERENCES:
patent: 3584972 (1971-06-01), Bratkovich et al.
patent: 3620643 (1971-11-01), Jones
patent: 3864199 (1975-02-01), Meginnis
patent: 4004056 (1977-01-01), Carroll

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