Linear drive
AssigneeWittenstein AG
InventorTobias Gehrig
Life of this patent
Estimating the term…
Abstract
Linear drive (100), in particular for converting a rotational movement into a linear movement for actuating a valve including a shut-off slide, having a crank mechanism, the linear drive (100) comprising a first crankshaft (6) associated with a piston rod (10) via a first connecting rod (8), a second crankshaft (7) associated with the piston rod (10) via a second connecting rod (9), and a planetary gear for rotationally driving the first crankshaft (6) and the second crankshaft (7).
Claims15
A linear drive in particular for converting a rotational movement into a linear movement for actuating a valve including a shut-off slide, having a crank mechanism, the linear drive comprising:
- a first crankshaft associated with a piston rod via a first connecting rod,
- a second crankshaft associated with the piston rod via a second connecting rod, and
- a planetary gear for rotationally driving the first crankshaft and the second crankshaft.
Dependencies are inferred from the claim text.