Environmental testing system

Details Environmental testing system Environmental testing system

1980-04-07

1982-02-02

Ciarlante, Anthony V.

Measuring and testing

Vibration

Vibrator

G01N 2904

Patent

active

043133479

ABSTRACT:
An environmental testing system for a product such as a railway car or a trailer includes a seismic mass having a "T" shaped cross-section, supported by a plurality of air mounts or cushioning means. The seismic mass is subjected to compression due to post tensioned reinforcement in three directions. A plurality of actuators are connected between the seismic mass and the product being tested to vibrate the product in accordance with a desired program. The reaction forces from the product under test are absorbed by the seismic mass and the air mounts. The air mounts are connected in series with a large air reservoir to permit the system to be tested under very low resonant frequency conditions.

REFERENCES:
patent: 2890584 (1959-06-01), Dickie
patent: 2963903 (1960-12-01), Ridgway et al.

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