Apparatus and methods for dynamically pressure testing an...

Details Apparatus and methods for dynamically pressure testing an... Apparatus and methods for dynamically pressure testing an...

2006-04-11

2006-04-11

Williams, Hezron (Department: 2858)

Measuring and testing

With fluid pressure

Reexamination Certificate

active

07024918

ABSTRACT:
The dynamic pressure tester includes a first cylinder and a first piston movable relative to the cylinder. The piston may have one or more weights applied thereto. The cylinder is vibrated by a shaker table and pressure pulses in the fluid are transmitted to a stationary housing and to a second piston in the housing. The opposite side of the piston contacts a corrosive or caustic fluid also in contact with the sensor face of an article being tested. The pressure pulses are transmitted by the second piston and corrosive fluid to the sensor face, enabling dynamic pressure testing in the corrosive fluid.

REFERENCES:
patent: 4419881 (1983-12-01), Gentiluomo
patent: 4499751 (1985-02-01), Riggs
patent: 5665919 (1997-09-01), Woyski et al.
patent: 5677480 (1997-10-01), Liyanage et al.
patent: 6694803 (2004-02-01), Klik et al.
Jan Hjelmgren Dynamic Measurement of Pressure—A Literature Survey—SP Swedish National Testing and Research Institute—SP Measurement Technology—Sp Report 2002:34.

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