Patent · US Expired

Electric control motor

US4536731A · kind A · utility

3Cited by

4References

2Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Hans Kubach · Ditzingen, DE
Ulrich Kemmner · Sachsenheim, DE
Gerold Grimm · Leonberg, DE

Key dates

Filing date	Sep 27, 1982
Grant date	Aug 20, 1985
Priority date	—
Expiry date	Sep 27, 2002

Classification

Technology area (CPC H)Electricity
CPC primaryH01F7/145
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric control motor and a method of making the same are proposed for the driving of a control element. The electric control motor comprises a housing made from a ferromagnetic material, a housing enclosure and a cap, a shaft rotatably disposed therein on which an armature is disposed for association with arcuate poles provided in the housing. An electromagnetic coil comprising coil portions is mounted axially with respect to the armature in coil retainers encapsulating the armature and shaft as a unit for ease of assembly in the housing.

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