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US 8,453,773 B2Granted
Vehicle battery systems and methods
AssigneeProterra Inc.
InventorsDale Hill, Michael Walker, Shaun Onorato, Donald Morris, Stephen Misencik, John Winkel
Life of this patent
Estimating the term…
Abstract
The invention provides for a high occupancy or heavy-duty vehicle with a battery propulsion power source, which may include lithium titanate batteries. The vehicle may be all-battery or may be a hybrid, and may have a composite body. The vehicle battery system may be housed within the floor of the vehicle and may have different groupings and arrangements.
Claims20
A heavy-duty vehicle comprising:
- a battery power source, wherein the battery power source includes a plurality of battery packs and is housed within a battery-pack mounting floor structure of the heavy-duty vehicle such that individual battery packs are individually mounted into cavities within the battery-pack mounting floor structure,
- wherein the battery-pack mounting floor structure of the heavy-duty vehicle is formed from a single molded piece or multiple molded pieces of at least one composite material,
- wherein the battery power source is arranged with respect to the floor structure such that the heavy-duty vehicle has a low floor chassis with substantially no compromise in an interior seating layout of said heavy-duty vehicle.
A heavy-duty vehicle, comprising:
- a battery power source, wherein the battery power source includes a plurality of battery packs and is housed within a battery-pack mounting floor structure of the heavy-duty vehicle such that individual battery packs are individually mounted into cavities within the battery-pack mounting floor structure,
- wherein the battery-pack mounting floor structure of the heavy-duty vehicle is formed from a single molded piece or multiple molded pieces of at least one composite material,
- wherein the battery power source is arranged with respect to the floor structure such that the heavy-duty vehicle has a low floor chassis with substantially no compromise in an interior seating layout of said heavy-duty vehicle, and
- wherein the battery power source includes at least one battery assembly with a plurality of battery strings, wherein an individual battery string includes a plurality of battery packs, wherein an individual battery pack includes a plurality of battery modules, and wherein an individual battery module includes a plurality of cells.
1 more element
A heavy-duty vehicle comprising:
- a battery power source, wherein the battery power source includes a plurality of battery packs and is housed within a battery-pack mounting floor structure of the heavy-duty vehicle such that individual battery packs are individually mounted into cavities within the battery-pack mounting floor structure,
- wherein the battery-pack mounting floor structure of the heavy-duty vehicle is formed from a single molded piece or multiple molded pieces of at least one composite material,
- wherein the battery power source is arranged with respect to the floor structure such that the heavy-duty vehicle has a low floor chassis with substantially no compromise in an interior seating layout of said heavy-duty vehicle,
- wherein a floor of the heavy-duty vehicle is a level floor between axles of the vehicle.
1 more element
Dependencies are inferred from the claim text.