Patent · US Expired

Servo-valve and a control motor therefor

US4761575A · kind A · utility

4Cited by

7References

11Claims

0Family size

Assignee

Mannesmann Rexroth AG · DE

Inventors

Herbert Reder · Rothenfels, DE
Hans-Georg Schubert · Partenstein, DE

Key dates

Filing date	Sep 22, 1986
Grant date	Aug 2, 1988
Priority date	—
Expiry date	Sep 22, 2006

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/86598
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A control motor for a servo-valve. Adjacent to the control coil of the control motor a dampening coil is located and short-circuited, so as to provide for an improvement of the frequency characteristic of the control motor.

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