Vehicle power supply device
US-9211855-B2 · Dec 15, 2015 · US
Electrical system for a vehicle with start/stop
US10036360B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10036360-B2 |
| Application number | US-201715636851-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 29, 2017 |
| Priority date | Jun 22, 2011 |
| Publication date | Jul 31, 2018 |
| Grant date | Jul 31, 2018 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
An electrical system for a vehicle having an internal combustion engine with start/stop capability includes a primary battery connectible to an engine starter motor; a secondary battery, an alternator, and an electrical load in parallel with one another and selectively connectible in parallel with the primary battery by a charge switch; in parallel with the secondary battery, a DC/DC converter in series with a third electrical energy source; and a bypass switch operable to selectively bypass the DC/DC converter. The bypass switch allows for selective bypassing the DC/DC converter and charging/discharging of the third electrical energy source during start/stop operation, to ensure a sufficient voltage level over the additional vehicle electrical loads when the internal combustion engine and consequently the alternator are not running.
First claim
Opening claim text (preview).
What is claimed is: 1. Apparatus for a vehicle comprising: a primary battery connectible to an engine starter motor; a secondary battery, an alternator, and an electrical load in parallel with one another and selectively connectible in parallel with the primary battery by a charge switch; in parallel with the secondary battery, a DC/DC converter in series with a third electrical energy source; and a bypass switch operable to selectively bypass the DC/DC converter. 2. The apparatus of claim 1 , wherein the third electrical energy source comprises a super-capacitor. 3. The apparatus of claim 1 , wherein the third electrical energy source comprises a lithium-ion battery.
Assignees
Inventors
Classifications
Battery voltage drop at start, e.g. drops causing ECU reset · CPC title
- F02N11/0866Primary
comprising several power sources, e.g. battery and capacitor or two batteries · CPC title
Capacitors, e.g. for additional power supply · CPC title
DC/DC converters · CPC title
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Frequently asked questions
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- What does patent US10036360B2 cover?
- An electrical system for a vehicle having an internal combustion engine with start/stop capability includes a primary battery connectible to an engine starter motor; a secondary battery, an alternator, and an electrical load in parallel with one another and selectively connectible in parallel with the primary battery by a charge switch; in parallel with the secondary battery, a DC/DC converter …
- Who is the assignee on this patent?
- Volvo Car Corp
- What technology area does this patent fall under?
- Primary CPC classification F02N11/0866. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jul 31 2018 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).