Patent · US Expired

Transporter for a rotor of a gas friction manometer

US4941351A · kind A · utility

0Cited by

2References

18Claims

0Family size

Assignee

Physikalisch-Technische Bundesanstalt · DE

Inventors

Wolfgang Jitschin · Borgholzhausen, DE
Peter Rohl · Clifton Park, US

Key dates

Filing date	May 11, 1988
Grant date	Jul 17, 1990
Priority date	—
Expiry date	May 11, 2008

Classification

Technology area (CPC G)Physics
CPC primaryG01L21/16
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A transporter for a rotor of a gas friction vacuum pressure meter comprises a housing accommodating the rotor; an ambient surrounding the metallic rotor within the housing during transport and being non-reactive with the rotor; and an arrangement for protecting the metallic rotor within the housing from physical and mechanical damage during transport.

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