Patent · US Expired

Leak detection system

US6435010B1 · kind B1 · utility

19Cited by

7References

14Claims

0Family size

Inventors

John L. Johnson · Raleigh, US
James G. Johnson · Lake Forest, US

Key dates

Filing date	Apr 23, 2001
Grant date	Aug 20, 2002
Priority date	—
Expiry date	Apr 23, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG01M3/3236
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A leak detection system includes a valve assembly having poppet valves disposed in a valve body for selectively closing internal ports for sequentially pressuring a test part from a pressure source, isolating the test part, determining the leakage conditions at the test part and exhausting the test part at completion of the test.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.