Patent · US Expired

Gas chromatographic oven using symmetrical flow of preheated - premixed ambient air

US4420679A · kind A · utility

53Cited by
7References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 26, 1982
Grant dateDec 13, 1983
Priority date
Expiry dateFeb 26, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2030/3084
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A temperature controlled oven apparatus having a central chamber with a heater element and a pivotal inner baffle door, located within a removable outer access door, periodically opened or closed to regulate the exhaust of oven air and the admission of ambient air into the oven through a preheated plenum chamber.

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