OPTIMIZED AC POWERED AUXILLIARY UNITS FOR MEDIUM/HEAVY DUTY CONFIGURABLE ELECTRIC TRUCKS

    公开(公告)号:US20230202280A1

    公开(公告)日:2023-06-29

    申请号:US17881395

    申请日:2022-08-04

    Abstract: A zero-emission configurable medium/heavy duty class electric truck is disclosed that uses high-voltage, battery-powered electrical energy for both motive power and auxiliary powered unit power. In embodiments, the electric truck includes a central frame having a pair of main frame rails configured to support at least two battery modules, a front subframe configured to support a front axle assembly and a cab, and a rear subframe configured to support at least one rear axle assembly and a rear payload module selected from one of the set of multiple configurable rear payload modules. In embodiments, at least one of the front axle assembly and the rear axle assembly include an electric motive motor powered by a battery management system configured to manage generation and distribution of alternating-current (AC) electrical power from the at least two battery modules to the at least one electric motive motor to provide motive power to the zero-emission configurable electric truck and to at least one auxiliary power unit (APU) to provide auxiliary power to the rear payload module.

    UNIVERSAL CHASSIS FRAME WITH VARIABLE REAR AXLE POSITIONS FOR MEDIUM/HEAVY DUTY CONFIGURABLE ELECTRIC TRUCKS

    公开(公告)号:US20230202566A1

    公开(公告)日:2023-06-29

    申请号:US17881384

    申请日:2022-08-04

    CPC classification number: B62D21/14 B62D21/02

    Abstract: A universal chassis frame is disclosed having a ladder-frame construction that is configurable to position the rear axle(s) at variable set of preset distances from the back of the cab of the vehicle to provide for customized rail/bed lengths over a range of medium/heavy classes of electric trucks. In various embodiments, the chassis frame includes a central frame having a pair of main frame rails configured to support at least two battery modules substantially within an intra-frame space defined between the pair of main frame rails. A front subframe is configured to support a cab, the front portion including a pair of upper frame members mounted above the corresponding pair of the main frame rails, and a front axle unit mounted under the front subframe. A rear subframe is configured to support at least one rear axle unit mounted under the rear subframe and any of a set of multiple configurable rear payload units via a common connection interface affixable to the main frame rails such that the location of the rear subframe with respect to the main frame is longitudinally variable at different sets of predetermined distances from the back of the cab.

    Universal chassis frame with variable rear axle positions for medium/heavy duty configurable electric trucks

    公开(公告)号:US12005958B2

    公开(公告)日:2024-06-11

    申请号:US17881384

    申请日:2022-08-04

    CPC classification number: B62D21/14 B62D21/02

    Abstract: A universal chassis frame is disclosed having a ladder-frame construction configurable to position a rear axle(s) at variable distances from a back of a vehicle's cab to provide customized rail/bed lengths for different electric truck classes. The chassis frame includes a central frame having a pair of main frame rails to support at least two battery modules substantially within an intra-frame space. A front subframe supports the cab, a front portion including a pair of upper frame members mounted above the corresponding main frame rails, and a front axle unit mounted under the front subframe. A rear subframe supports at least one rear axle unit mounted under the rear subframe and any of multiple configurable rear payload units via a common connection interface affixable to the main frame rails so the rear subframe's location with respect to the main frame is longitudinally variable from the back of the cab.

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