Patent · US Active

Fluidic actuator

US9372487B2 · kind B2 · utility

3Cited by

17References

17Claims

0Family size

Assignee

HOERBIGER AUTOMATISIERUNGSTECHNIK HOLDING GMBH · DE

Inventors

Daniel HALLER · Stuttgart, DE
Max Schrobenhauser · Peiting, DE
Erich Rankl · Bad Griesbach im Rottal, DE
Marcus Grödl · Altdorf, DE

Key dates

Filing date	Mar 6, 2015
Grant date	Jun 21, 2016
Priority date	—
Expiry date	Mar 6, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/87201
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a fluidic actuator comprising a drive element (2) that can be supplied with a pressure fluid and a two-stage proportional position controller (3) controlling the supply with pressure fluid to the drive element, said actuator comprising an electro-fluidic pilot stage (10) of the position controller, exactly one electromechanical transducer (14) and exactly one proportional valve (16) actuated by said transducer and having a pressure fluid inlet (18), a control pressure outlet (19) and a discharge outlet (20). A fluidic power stage (11) of the position controller comprises two poppet valves (24, 25) having associated pressure-to-distance converters that are supplied by a common control chamber (34) which is connected to the control pressure outlet (19) of the pre-stage (10).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.