Patent · US Active

Circuit configuration for switching current flow through an ignition coil

US8074631B2 · kind B2 · utility

1Cited by

10References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Shike Hu · Reutlingen, DE
Rainer Topp · Reutlingen, DE
Thomas Jacke · Lörrach, DE
Christian Pluntke · Hechingen, DE

Key dates

Filing date	Dec 10, 2008
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Aug 6, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02D2041/2075
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A circuit configuration for switching current flow through an ignition coil, in which the switching process is able to be executed by at least one first transistor that is controllable by a control signal which is able to be supplied via a control signal input of the circuit configuration, and the control signal input is connected to at least one variable resistor.

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