Patent · US Expired

Overload protector for electrical motors

US7023674B2 · kind B2 · utility

15Cited by

10References

3Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Gerhard Gross · Achern, DE
Josef Foerstera · Bühl, DE
Bernhard Merschroth · Ottersweier, DE
Michael Hanek · Renchen, DE

Key dates

Filing date	Oct 13, 2001
Grant date	Apr 4, 2006
Priority date	—
Expiry date	May 18, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2037/763
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An overload protection for electric motors, includes a one-piece suppression choke in which the connecting point to be broken is produced by means of at least one connecting point between the connection lug of the motor and a respective connecting element of the suppression choke, wherein the connection lug exerts an adjustable mechanical stress on the connecting point, thus reliably assuring a break when the softening temperature of the solder of the breaking point is reached.

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