Hydraulic actuator and method for operating a hydraulic actuator
US10330125B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2015 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Apr 14, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/043
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The hydraulic actuator comprises: a hydraulic input cylinder having an input piston; a hydraulic output cylinder, which is hydraulically coupled to the input cylinder; and a pressure-limiting valve, which limits the output cylinder with respect to pressure in dependence on the usability of a force on the input piston. The method is a method for operating such a hydraulic actuator, wherein the drive actuator is deflected with deflections having a deflection duration at a deflection frequency for the duration of an acting or a non-acting phase of the hydraulic actuator, wherein the deflection duration defines a movement stiffness of the hydraulic actuator and the deflection frequency defines the resulting deflection speed of the hydraulic actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.