Bogie frame of rolling stock having composite hollow beam constr

Details Bogie frame of rolling stock having composite hollow beam constr Bogie frame of rolling stock having composite hollow beam constr

1992-07-30

1994-04-19

Oberleitner, Robert J.

Railway rolling stock

Trucks

Bogie

1051821, 105226, 527312, B61F 552

Patent

active

053036573

ABSTRACT:
A rolling-stock bogie frame has a ladder-shaped frame structure comprising side beams and cross beams, each of which has a trough-shaped part with an open upper part and a reinforcing member secured to the trough-shaped part to cover and close the open upper part thereby to form a closed box beam with a utilizable hollow interior. Each of the trough-shaped part and reinforcing member comprises spaced apart inner and outer sheathings of fiber-reinforced plastic material and honey-comb members inserted between and bonded to the inner and outer sheathings. The bogie frame affords high strength with low weight. The hollow interior of the beam provides an equipment space for accommodating an air reservoir and piping for the pneumatic and hydraulic systems.

REFERENCES:
patent: 3238690 (1966-03-01), Wilkins
patent: 3995080 (1976-11-01), Cogburn et al.
patent: 4007574 (1977-02-01), Riddell
patent: 4903613 (1990-02-01), Lang et al.
patent: 5085151 (1992-02-01), Wako et al.
"Aircraft Structures: Second Edition"; Peery et al.; McGraw-Hill Book Co.; 1982; pp. 92-93.
"Composite Materials for Aircraft Structures"; Hoskin et al.; AIAA Inc.; New York 1986; pp. 1-7, 73-91, 194, and 200-201.
"Sandwich Construction and Design"; Hackman, published in: "Analysis and Design of Flight Vehicle Structures"; Bruhn; Jacobs Publishing Inc; 1973; pp. C12.1-C12.9, C12.26-C12.28, PC12.51.

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