Vacuum valve or vacuum door

US11971118B2 · kind B2 · utility

Assignee

• VAT Holding AG · CH

Inventors

• Marc Hübener · Ruckforde, DE
• Arthur Büchel · Balzers, LI
• Markus Poppeller · Feldkirch, AT

Key dates

• Filing date: Dec 3, 2020
• Grant date: Apr 30, 2024
• Expiry date: Dec 3, 2040

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16K27/044
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A vacuum valve or door having a closure plate for closing an opening in a wall. The opening has opposing first and second longitudinal edges and shorter opposing first and second transverse edges. A sealing unit seals the closure plate against the wall in the closed position. The sealing unit includes a supporting frame having opposing first and second longitudinal legs and shorter opposing first and second transverse legs, on which supporting frame there is mounted on one side a circumferential closure plate seal and on the other side a circumferential wall seal. The supporting frame is secured to fastening points on the wall, with central portions of the first and second longitudinal legs being free with respect to the wall, or the supporting frame is secured to fastening points on the closure plate, with the central being free with respect to the closure plate.