Hydrostatic pressure test pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 7, 2003
Grant Date -
N/A
app pub date -
Jun 20, 2000
filing date -
Jun 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure testing apparatus to bring, and maintain, pressure within a test vessel at a proof pressure. The apparatus includes an air motor and a fluid pump which is removably mountable to the air motor. The air motor drives the fluid pump and the pump piston which reciprocatively moves with the motor piston. A precision pressure adjustment unit is located on an outlet side of the fluid pump and includes a chamber and a piston manually adjustable to expel a fluid from the chamber to increase the pressure in the test vessel.
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