Device for stabilizing a supply voltage in a motor vehicle

US9365173B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9365173-B2
Application numberUS-201113825652-A
CountryUS
Kind codeB2
Filing dateSep 8, 2011
Priority dateSep 22, 2010
Publication dateJun 14, 2016
Grant dateJun 14, 2016

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A device ( 1 ) for stabilizing a supply voltage (U Batt ) in a motor vehicle, having a function component of the motor vehicle, in particular in the form of a starter ( 4 ), a voltage source ( 10 ) which is connected to the function component ( 4 ) in order to supply the function component ( 4 ) with the supply voltage (U Batt ), characterized in that the voltage source ( 10 ) is connected to the function component ( 4 ) via a resistor cascade ( 30 ) in order to stabilize the supply voltage (U Batt ).

First claim

Opening claim text (preview).

The invention claimed is: 1. Device for stabilizing a supply voltage in a motor vehicle, having: a function component of the motor vehicle, in particular in the form of a starter; and a voltage source, which is connected to the function component in order to supply the function component with the supply voltage, wherein the voltage source is connected to the function component via a resistor cascade in order to stabilize the supply voltage, wherein the resistor cascade is switchable and has at least two cascade branches connected in parallel, wherein each cascade branch has a switch connected in series with a resistor. 2. Device of claim 1 , further comprising a cascade branch configured to bypass the resistors, the cascade branch having only one switch. 3. Device of claim 1 , characterized by a control unit, designed to control the switches. 4. Device of claim 3 wherein the device has a charge pump. 5. Device of claim 4 , wherein the charge pump provides an operating voltage for the control unit. 6. Device of claim 1 wherein the switches in each case take the form of a transistor. 7. Device of claim 3 , wherein the control unit is designed to switch the cascade branches in each case in a time-dependent manner. 8. Device of claim 3 , wherein the control unit is designed to switch the cascade branches in each case as a function of the supply voltage to be stabilized.

Assignees

Inventors

Classifications

  • Battery voltage · CPC title

  • characterised by the electrical power supply means, e.g. battery · CPC title

  • Battery voltage drop at start, e.g. drops causing ECU reset · CPC title

  • Circuit arrangements for charging or discharging batteries or for supplying loads from batteries · CPC title

  • comprising means for controlling automatic idle-start-stop · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9365173B2 cover?
A device ( 1 ) for stabilizing a supply voltage (U Batt ) in a motor vehicle, having a function component of the motor vehicle, in particular in the form of a starter ( 4 ), a voltage source ( 10 ) which is connected to the function component ( 4 ) in order to supply the function component ( 4 ) with the supply voltage (U Batt ), characterized in that the voltage source ( 10 ) is connected to t…
Who is the assignee on this patent?
MäCKEL RAINER, Schulz Thomas, Schön Jürgen, and 1 more
What technology area does this patent fall under?
Primary CPC classification B60R16/03. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jun 14 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).