Valve drive system for a pneumatic or hydraulic valve
US10816105B2 · kind B2 · utility
0Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2018 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Dec 6, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/122
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve drive system for a pneumatic or hydraulic valve is provided, comprising a drive unit and at least two cup-shaped upper casing parts having different geometries, wherein the drive unit comprises a sleeve, a piston being movable in the sleeve in a linear way, a drive spindle mounted on the piston, and a mounting portion, wherein each of the cup-shaped upper casing parts is couplable by means of the mounting portion to the drive unit, to close the valve drive system to the upper side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.