ELECTRIC ENERGY STORE OF A MOTOR VEHICLE

• US 20120208057A1
• Filed: 02/10/2012
• Published: 08/16/2012
• Est. Priority Date: 02/14/2011
• Status: Active Grant

• Current Assignee: Dr Ing hc F Porsche AG (Volkswagen AG)
• Original Assignee: Dr. Ing. H.C.F. Porsche Ag
• Inventors: Bender, Stefan, Chew, Guan, Maurer, Steffen
• Granted Patent: US 8,999,544 B2
• Time in Patent Office: Days
• US Class Current: 429/99
• CPC Class Codes: H01M 10/613 Cooling or keeping cold
• CPC Class Codes: H01M 10/615 Heating or keeping warm
• CPC Class Codes: H01M 10/625 Vehicles
• CPC Class Codes: H01M 10/64 characterised by the shape of the cells
• CPC Class Codes: H01M 10/6555 arranged between the cells
• CPC Class Codes: H01M 50/229 Composite material consisting of a mixture of organic and inorganic materials
• CPC Class Codes: H01M 50/271 Lids or covers for the racks or secondary casings
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

An electric energy store (10) of a motor vehicle, in particular a high voltage energy store of a hybrid vehicle or an electric vehicle, has a housing (11) and storage modules (12) accommodated in the housing. The housing (11) has a supporting element (17) with an annular supporting frame (18) made from a fiber reinforced plastic and via which the electric energy store (10) can be connected to a body structure of a motor vehicle.

Claims

1. An electric energy store of a motor vehicle, comprising a housing and storage modules accommodated in the housing, the housing having a supporting element with an annular supporting frame made from a fiber reinforced plastic, the supporting frame connecting the electric energy store to a body structure of a motor vehicle.

2. The electric energy store of claim 1, wherein the annular supporting frame of the supporting element is hollow.

3. The electric energy store of claim 2, wherein the supporting element has at least one supporting plate made from metal and extending between spaced apart locations on the annular supporting frame, the fiber reinforced plastic supporting frame being bonded adhesively to the metal supporting plate.

4. The electric energy store of claim 3, wherein supporting plate is manufactured from aluminum or from an aluminum alloy.

5. The electric energy store of claim 3, wherein the supporting plate is disposed and configured to cool or heat the storage modules.

6. The electric energy store of claim 5, wherein the supporting plate has a cavity through which a temperature control medium flows.

7. The electric energy store of claim 1, wherein the housing has upper and lower housing parts connected releasably to the supporting frame.

8. The electric energy store of claim 7, further comprising upper and lower seals between the respective upper and lower housing parts and the supporting frame.

9. The electric energy store of claim 7, wherein the upper and lower housing parts are non-supporting covers.

10. The electric energy store of claim 1, wherein the storage modules comprise a first module assembly fastened from above and resting on the supporting element and a second module assembly fastened from below and suspended from the supporting element.