GB2546535A - Chassis for electric vehicles - Google Patents

Chassis for electric vehicles Download PDF

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Publication number
GB2546535A
GB2546535A GB1601197.5A GB201601197A GB2546535A GB 2546535 A GB2546535 A GB 2546535A GB 201601197 A GB201601197 A GB 201601197A GB 2546535 A GB2546535 A GB 2546535A
Authority
GB
United Kingdom
Prior art keywords
chassis
battery
height
members
rails
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB1601197.5A
Other versions
GB201601197D0 (en
Inventor
Stewart Ivan
McBurney Chris
Mcbride Brian
Steele David
Brayshaw Robert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WRIGHTBUS Ltd
Original Assignee
WRIGHTBUS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WRIGHTBUS Ltd filed Critical WRIGHTBUS Ltd
Priority to GB1601197.5A priority Critical patent/GB2546535A/en
Publication of GB201601197D0 publication Critical patent/GB201601197D0/en
Publication of GB2546535A publication Critical patent/GB2546535A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/18Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0433Arrangement under the rear seats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438Arrangement under the floor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455Removal or replacement of the energy storages
    • B60K2001/0494Removal or replacement of the energy storages with arrangements for sliding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

A chassis section 10 for a battery powered electric or hybrid vehicle, in particular a bus, the chassis section being adapted to receive the battery or batteries 30 of the vehicle. The chassis section has an overall length, width and height. The battery or batteries are integrable or packaged within the chassis section 10 such that they are fully contained within the overall length, width and height of said chassis section in use. The chassis section may have one or more elongate rails 11 and a plurality of chassis transvers cross members 13, which define the length, width and height of the overall chassis. The batteries may be provided as individual modules, which are removably located within the chassis section. The modules may be slidably mountable within the chassis section.

Description

CHASSIS FOR ELECTRIC VEHICLES Field of the Invention
The present invention relates to a chassis for electric, hybrid or battery powered vehicles, in particular, but not limited to, buses.
Background to the Invention
Currently, electric buses are designed with very large and heavy battery packs installed in the rear and/or on the roof of the vehicle. In order to achieve sufficient range, in some cases over 3.5 tonnes of batteries and auxiliaries are required. This has a significant impact on the overall passenger capacity as it increases the unladen weight of the bus. In addition, the weight distribution impacts upon the stability and therefore the ride and comfort of the bus, and the aesthetics of the bus tend to suffer, particularly when the batteries are located on the roof.
It is therefore an object of the present invention to provide a chassis section which mitigates the disadvantages of the prior art.
Summary of the Invention
In accordance with a first aspect of the invention, there is provided a chassis section for a battery powered electric or hybrid vehicle; wherein the chassis section has an overall length, width and height; and wherein the batteries are integrable within the chassis section such that they are fully contained within the overall length, width and height of said chassis section in use.
Preferably, the chassis section is a chassis mid-section.
Preferably, the vehicle is a bus.
It will be appreciated that the term “chassis mid-section” describes a section of a vehicle chassis that is located intermediate the front and rear axles of the vehicle.
In a preferred embodiment, the chassis section comprises: one or more elongate chassis rails; and a plurality of chassis cross members which extend substantially transverse the elongate chassis rail(s); wherein the overall length, width and height of the chassis section is defined by the dimensions of said one or more chassis rails and cross members.
Optionally, the one or more elongate chassis rails are formed from beam sections having upper and lower flanges joined by an intermediate web
Optionally, the beam sections are C-beam or I-beam sections.
Preferably, there are provided a pair of spaced apart and parallel elongate chassis rails.
Preferably, the batteries are provided as battery modules, and the chassis section is adapted to demountably receive said battery module(s).
Conveniently, the battery modules are of a height that is less than the height of the chassis rails and/or cross members such that the battery modules are contained within the depth/height of the chassis section.
In this way, the batteries are contained in use within an envelope defined by the overall dimensions of the chassis section.
Preferably, each battery module has a maximum height of 120mm.
Conveniently, the battery module(s) are slidably mountable within the chassis section.
Preferably, the battery module(s) are slidably mountable between adjacent chassis cross members. In this way, the battery modules can be slid into and out of engagement of the chassis section as a cassette system.
In this way, the battery module(s) can easily be removed from, and installed into, a vehicle comprising the chassis section in accordance with the invention.
In this way, the batteries are located at a lowermost position (i.e. at a floor or below-floor level) on the vehicle in use, thereby lowering the centre of gravity of the vehicle in comparison to prior art electric buses.
When installed, access to the battery modules is via openable panels.
Advantageously, the chassis section is provided with a plurality of connection members located at opposing ends of said chassis section, wherein each connection member comprises a chassis rail section that is adapted to connect to a respective corresponding end of a chassis rail of a vehicle’s front or rear section.
In this way, the chassis section is suitable for use in single, double deck and articulated electric buses.
Advantageously, the space defined between spaced apart and parallel elongate chassis rails provides a service channel through which wiring looms, pneumatic and hydraulic and fuel lines etc. can be installed.
In accordance with a second aspect of the invention there is provided a battery module suitable for use within a chassis section in accordance with the first aspect of the invention.
In accordance with a third aspect of the invention, there is provided a vehicle, in particular a bus, comprising a chassis section in accordance with the first aspect of the invention.
Various examples and aspects of the invention will now be described in detail with reference to the accompanying figures. Still other aspects, features, and advantages of the present invention are readily apparent from the entire description thereof, including the figures, which illustrate a number of exemplary aspects and implementations. The invention is also capable of other and different aspects and implementations, and its several details can be modified in various respects, all without departing from the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature, and not as restrictive.
Furthermore, the terminology and phraseology used herein is solely used for descriptive purposes and should not be construed as limiting in scope. Language such as "including," "comprising," "having," "containing," or "involving," and variations thereof, is intended to be broad and encompass the subject matter listed thereafter, equivalents, and additional subject matter not recited, and is not intended to exclude other additives, components, integers or steps. Likewise, the term "comprising" is considered synonymous with the terms "including" or "containing" for applicable legal purposes.
Any discussion of documents, acts, materials, devices, articles and the like is included in the specification solely for the purpose of providing a context for the present invention. It is not suggested or represented that any or all of these matters formed part of the prior art base or were common general knowledge in the field relevant to the present invention.
All singular forms of members, or any other components described herein are understood to include plural forms thereof and vice versa.
Brief Description of the Drawings
Embodiments of the present invention will now be described by way of example only, and with reference to the accompanying figures in which:
Figure 1a is a perspective view of an exemplary vehicle chassis having a mid-section in accordance with invention;
Figure 1 b is a perspective detailed view of a chassis mid-section of Figure 1a; and
Figure 2 is a perspective detailed view of a variation of a chassis mid-section in accordance with the invention.
Description of the Preferred Embodiments
Referring to the drawings, Figure 1a shows an exemplary overall chassis 1 of an electric bus having a front section 2, a rear section 3, and an intermediate chassis or “mid-“ section 10 in accordance with a first aspect of the invention.
Chassis mid-section 10 comprises a pair of spaced apart elongate chassis rails 11 which run centrally along the longitudinal axis of said chassis section. The space 12 defined between the elongate chassis rails 11 provides a service channel through which wiring looms, pneumatic and hydraulic and fuel lines etc. 14 associated with the vehicle are installed. Chassis mid-section 10 also comprises a plurality of cross members 13 which extend substantially transverse the elongate chassis rail 11.
Chassis cross members 13 may extend across the full width of the chassis section or may comprise shorter bracing members 131 which connect between the respective chassis rails and the side edge of the chassis section. Bracing members 131 are substantially parallel to cross members 13.
The overall length, width and height of the chassis section 10 is defined by the dimensions of the chassis rails 11 and cross members 13.
In Figures 1a and 1b, the illustrated chassis mid-section 10 incorporates a space or gap 17 which accommodates a mid- or side door of a bus. In Figure 2, the illustrated chassis mid-section is for a bus which does not have a mid-door and so the space otherwise required to accommodate such a door is used to house an additional battery module or modules.
With reference to Figures 1b and 2, the elongate chassis rails 11 are each formed from beam sections having upper 11a and lower (not visible) flanges joined by an intermediate web 11c. It will be appreciated that C-beam, I-beam, or other suitable beam sections may be employed. Cross members 13, 131 are similarly formed. It will also be appreciated that each elongate chassis rail 11 and cross member 13 may be constructed from a number of separate chassis rail or cross member sections joined end to end.
The vehicle batteries 30 adapted for use with chassis section 10 are provided in modular form, and the chassis section 10 is adapted to demountably receive said battery modules. Thus the battery or batteries 30 are integrable within the chassis section 10. As shown in the Figures, battery modules 30 are located in use within the confines of chassis section 10. In this way, the batteries are integrated with the chassis mid-section.
Each battery module 30 is of a height that is less than the height of the chassis rails 11 and/or cross members 13, 131 such that the battery modules 30 are contained within the overall length, width and height of the chassis section 10 in use. In this way, the batteries are contained within an envelope defined by the overall dimensions of the chassis section. Preferably, each battery module has a maximum height of 120mm.
By locating the battery modules within the space defined by the chassis mid-section, the batteries are located at a lowermost position (i.e. floor or below-floor level) on the vehicle between the front and rear axles, thereby lowering the centre of gravity of the vehicle when compared to prior art electric buses.
Conveniently, batteries in accordance with the invention adapted integration within the chassis section 10 in accordance with the invention have been developed to achieve the maximum possible power within the space available.
In a preferred arrangement, each battery module 30 is slidably mountable within the chassis section 10. Specifically, the battery modules 30 are adapted for slidable mounting between adjacent chassis cross members 13, 131. Rails (not shown) into which the respective sides of the battery modules are slidably engaged are provided on the cross members 13, 131. Thus the battery modules 30 can be slid into and out of engagement of the chassis section as a cassette system. In this way, the battery modules 30 can easily be removed from, and installed into, a vehicle comprising a chassis section 10 in accordance with the invention. This simplifies the servicing, maintenance and replacement of batteries, which is otherwise a very difficult, labour intensive and time consuming activity. When installed, access to the battery modules 30 is via openable panels 15. The battery modules 30 are maintained in location on the chassis section by suitable locking means.
When installed into the chassis, the battery modules are then electrically coupled to the vehicle. In one arrangement, module terminals (not shown) located at a rear end of each battery module 30 engage with associated connectors provided on the vehicle proximate the elongate chassis rails 11 such that connection of the batteries to the vehicle is achieved automatically upon insertion of the modules 30 within the chassis section 10.
Currently, single and double deck diesel buses use completely different chassis designs. Conveniently however, a chassis mid-section 10 in accordance with the present invention is suitable for use in single, double deck and articulated electric buses. To enable this, the chassis section 10 is provided with connection members 16 at opposing ends. Each connection member 16 comprises a section of chassis rail that is adapted to connect to a respective end of a chassis rail 4, 5 of a vehicle’s front 2 and rear section 3 as shown in Figure 1a.
Conveniently, a chassis mid-section 10 in accordance with the present invention allows batteries having various different battery chemistries (e.g. NMC, LTO, etc.) to be packaged within the same available space envelope. In this way, a chassis section in accordance with the invention also therefore accommodates multifunctional charging types across a range of products.

Claims (14)

Claims
1. A chassis section for a battery powered electric or hybrid vehicle, the chassis section being adapted to receive the battery or batteries of the vehicle; wherein the chassis section has an overall length, width and height; and wherein the battery or batteries are integrable within the chassis section such that they are fully contained within the overall length, width and height of said chassis section in use.
2. A chassis section as claimed in claim 1, wherein the chassis section comprises: one or more elongate chassis rails; and a plurality of chassis cross members which extend substantially transverse the elongate chassis rail(s); wherein the overall length, width and height of the chassis section is defined substantially by the dimensions of said one or more chassis rails and cross members.
3. A chassis section as claimed in claim 2, wherein the one or more elongate chassis rails are formed from beam sections having upper and lower flanges joined by an intermediate web.
4. A chassis section as claimed in claim 2 or claim 3, comprising a pair of spaced apart and parallel elongate chassis rails.
5. A chassis section as claimed in any preceding claim, wherein the battery or batteries are provided as battery modules, and wherein the chassis section is adapted to demountably receive said battery module(s).
6. A chassis section as claimed in claim 5, wherein the or each battery module is of a height that is less than the height of the chassis rails and/or cross members.
7. A chassis section as claimed in claim 5 or claim 6, wherein the or each battery module has a maximum height of 120mm.
8. A chassis section as claimed in any one of claims 5 to 7, wherein the or each battery module(s) is slidably mountable within the chassis section.
9. A chassis section as claimed in any one of claims 5 to 8, wherein the or each battery module(s) is slidably mountable between adjacent chassis cross members.
10. A chassis section as claimed in any one of claims 4 to 9, wherein the space defined between the spaced apart and parallel elongate chassis rails provides a service channel through said chassis section.
11. A chassis section as claimed in any preceding claim, wherein the chassis section is provided with a plurality of connection members located at opposing ends of said chassis section, wherein each connection member comprises a chassis rail section that is adapted to connect to a corresponding chassis rail of a vehicle’s front or rear chassis section.
12. A battery module for use with a chassis section as claimed in any preceding claim.
13. A vehicle comprising a chassis section in as claimed in any one of claims 1 to 11.
14. A chassis section as described herein and with reference to the accompanying drawings.
GB1601197.5A 2016-01-22 2016-01-22 Chassis for electric vehicles Withdrawn GB2546535A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1601197.5A GB2546535A (en) 2016-01-22 2016-01-22 Chassis for electric vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1601197.5A GB2546535A (en) 2016-01-22 2016-01-22 Chassis for electric vehicles

Publications (2)

Publication Number Publication Date
GB201601197D0 GB201601197D0 (en) 2016-03-09
GB2546535A true GB2546535A (en) 2017-07-26

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Family Applications (1)

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GB1601197.5A Withdrawn GB2546535A (en) 2016-01-22 2016-01-22 Chassis for electric vehicles

Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018113812A1 (en) 2018-06-11 2019-12-12 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Method for producing a body structure of a motor vehicle
US11040610B2 (en) 2019-04-19 2021-06-22 Hexagon Purus North America Holdings Inc. Electric powertrain system for heavy duty vehicles
US11043714B2 (en) 2018-08-24 2021-06-22 Hexagon Purus North America Holdings Inc. Battery system for heavy duty vehicles
US11043707B2 (en) 2019-04-19 2021-06-22 Hexagon Purus North America Holdings Inc. Electric front end accessory devices assembly
US11345331B2 (en) 2019-11-26 2022-05-31 Hexagon Purus North America Holdings Inc. Electric vehicle power distribution and drive control modules

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108443A (en) * 1981-10-21 1983-05-18 Chloride Group Ltd Vehicle chassis
FR2769876A1 (en) * 1997-10-21 1999-04-23 Sarl James Automobile Beam type chassis for electric vehicle
US5918692A (en) * 1996-04-22 1999-07-06 Honda Giken Kogyo Kabushiki Kaisha Small-sized vehicle
WO2002004275A1 (en) * 2000-07-06 2002-01-17 Chaney George T Electric vehicle chassis with removable battery module and a method for battery module replacement
WO2012025710A2 (en) * 2010-08-25 2012-03-01 The Lightning Car Company Limited Electric motor vehicle
WO2012091404A2 (en) * 2010-12-28 2012-07-05 Posco Underbody for electric vehicle
DE102011051698A1 (en) * 2011-07-08 2013-01-10 Thyssenkrupp Steel Europe Ag Floor structure for a vehicle
WO2013044645A1 (en) * 2011-09-26 2013-04-04 Li Hui Midibus chassis

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108443A (en) * 1981-10-21 1983-05-18 Chloride Group Ltd Vehicle chassis
US5918692A (en) * 1996-04-22 1999-07-06 Honda Giken Kogyo Kabushiki Kaisha Small-sized vehicle
FR2769876A1 (en) * 1997-10-21 1999-04-23 Sarl James Automobile Beam type chassis for electric vehicle
WO2002004275A1 (en) * 2000-07-06 2002-01-17 Chaney George T Electric vehicle chassis with removable battery module and a method for battery module replacement
WO2012025710A2 (en) * 2010-08-25 2012-03-01 The Lightning Car Company Limited Electric motor vehicle
WO2012091404A2 (en) * 2010-12-28 2012-07-05 Posco Underbody for electric vehicle
DE102011051698A1 (en) * 2011-07-08 2013-01-10 Thyssenkrupp Steel Europe Ag Floor structure for a vehicle
WO2013044645A1 (en) * 2011-09-26 2013-04-04 Li Hui Midibus chassis

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018113812A1 (en) 2018-06-11 2019-12-12 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Method for producing a body structure of a motor vehicle
US11043714B2 (en) 2018-08-24 2021-06-22 Hexagon Purus North America Holdings Inc. Battery system for heavy duty vehicles
US11040610B2 (en) 2019-04-19 2021-06-22 Hexagon Purus North America Holdings Inc. Electric powertrain system for heavy duty vehicles
US11043707B2 (en) 2019-04-19 2021-06-22 Hexagon Purus North America Holdings Inc. Electric front end accessory devices assembly
US11312221B2 (en) 2019-04-19 2022-04-26 Hexagon Purus North America Holdings Inc. Electric powertrain system for heavy duty vehicles
US11345331B2 (en) 2019-11-26 2022-05-31 Hexagon Purus North America Holdings Inc. Electric vehicle power distribution and drive control modules

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