Vacuum valve
US9086173B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2013 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Oct 21, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K3/3165
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vacuum valve includes a valve housing with first and second valve openings, which have parallel axes, a first and a second valve plate, adjustable between an open position, an intermediate position and a closed position, and a carrying unit, which carries the valve plates between the intermediate position, in which the valve plates cover over the respective valve openings, but are raised up from the valve seat, and the closed position, and each include a cylinder, having at least one cylinder space, and at least one piston, arranged in the cylinder space and has a piston rod, connected to one of the valve plates. The carrying unit has at least first and second carrier rods, to which the cylinders of the drive elements are connected. The cylinders each span an interspace located between the carrier rods, arranged on opposite sides laterally alongside the piston rods of the drive elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.