Patent · US Expired

Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors

US4931721A · kind A · utility

22Cited by

16References

20Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Paul J. Berrigan · Circleville, US
Michael Brennan · Lake Orion, US

Key dates

Filing date	Dec 22, 1988
Grant date	Jun 5, 1990
Priority date	—
Expiry date	Dec 22, 2008

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/016
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Apparatus for automatically measuring and recording, in a seqential manner, various parameters such as capacitance, dissipation factor and insulation resistance, of each of a plurality of capacitors under substantially identical test conditions. The apparatus discharges residual charge on each capacitor.

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