Electric Propulsion Mounting TRIZ Cases

A movable restraint member draws the battery with a set force to suppress rattling and keep electrical connections stable under vehicle vibration.

A planetary dual-motor driveline uses speed-based clutching and motor state switching to improve efficiency without complex gearing.

Step-shaped frame joints embed lateral connections into the battery case to transfer frontal and side collision loads while protecting cells.

Nested step-shaped frame joints route frontal and side collision loads between battery case members to protect enclosed cells and simplify assembly.

An integrated cooling chamber in the gearbox housing chills the wall around the gear chamber to remove heat from lubricating oil.

A hierarchical cluster structure validates vehicle component coding for torque and drive variants, improving safety integrity without separate release states.

Elastic busbars clamp the CCU carrier while mica or aerogel covers seal gaps and block hot venting gas from igniting adjacent cells.

A rupturable heat-resistant cover integrated with the CCU carrier redirects cell venting gases to limit thermal propagation and simplify assembly.

A single-piece press-hardened steel base integrates underride protection, cuts battery carrier complexity, and improves crash energy absorption.

A dual planetary transmission uses shared inputs and independent outputs to multiply torque and control wheel speed with manageable complexity.

A carrier-mounted deflector captures ring-gear splash and routes lubricant into internal passages to improve axle component lubrication and prevent overheating.

A high-expansibility top plate and pressure-triggered valve create buffer space for gas, lowering pressure and limiting thermal propagation.

Two electric motors on a common shaft boost hydrostatic traction and lifting power while reducing current load, overheating, and wear.

A clutch-coupled nested planetary gearbox enables high and low range operation in an integrated e-axle while fitting tight cross-car packaging.

A cross-member and bracket support the rear seat cushion frame to limit crash deformation and keep clearance from the high-voltage device.

By integrating the planetary carrier with the differential case, this transmission layout cuts axial length while preserving gear support.

A coordinated joint mechanism keeps arm members aligned while adapting a single-axle tractor to different auxiliary equipment and operator positions.

A holding wall, flange, and edge-covering member spread surrounding impacts across a vehicle battery stack to reduce module damage and displacement.

Edge buffer portions on battery cells transfer floor loads through rigid cell edges, increasing underfloor pack rigidity with less deformation.

A slip clutch and directional freewheel in the axle rotary joint limit peak torque and prevent mechanical and electrical overload.

A wet clutch moved outside the planetary stage cuts transmission losses while enabling compact 2-speed electric drive operation.

Dual upper and lower crossbeams spread battery load more evenly, improving vehicle durability and speeding adaptation to new models.

Integrating the HV battery housing into the vehicle floor simplifies electrical and fluidic connections while cutting weight and assembly steps.

A closed hollow crossmember and reinforcement layout improves side-impact energy absorption while protecting the underfloor energy store.

A hybrid wet and mechanical clutch layout maintains torque through 1-2 shifts while supporting efficient EV range shifting in severe conditions.

An L-shaped battery case mounted below frame side members protects vehicle batteries from impacts while preserving cabin space and passenger access.

Resin coating bonded with reinforcing plates boosts battery case stiffness and collision resistance without adding heavy cross members.

A laterally oriented radiator redirects inlet, heat-exchange, and outlet airflow to save vehicle space while preserving cooling performance.

A reinforced transition sealing surface bridges rear floor and sill beam height differences, improving battery pack sealing and wheelbase adaptability.

Active spray and passive oil collection work together to lubricate high-speed gear sets and improve transmission cooling reliability.

A controlled differential with same-side steering and propulsion inputs cuts gearbox size, improves access, and avoids oversized motors.

An extended rocker works with the frame member and battery case to resist pillar collapse and absorb side-impact energy into the vehicle side structure.

A hollow plastic motor bracket integrates a damper and resilient mass system to absorb 750-2000 Hz vibration and reduce structure-borne noise.

A releasable cover and locking layout enable vertical battery stacking under heavy vehicles while preserving service access and fitting varied battery sizes.

Mounting the battery pack above the chassis frees reservoir space below while reducing dirt exposure, impact risk, and maintenance.

A one-piece battery tray replaces separate walls and cover, cutting pack weight, cost, and space use while improving crash rigidity.

A movable spline coupling sleeve shifts torsional resonance in a vehicle drive unit to suppress road-induced torque spikes without limiting motor output.

A metal-plastic side rail uses cavity absorbers and trigger features to improve side-impact protection while keeping vehicle weight low.

Threaded fastening members replace welded side flanges in a battery housing, improving positioning accuracy, assembly ease, and heat exchange.

A retained fastening bolt and guided through-pipe mounting structure simplify battery replacement, prevent misassembly, and support bolt reuse.

A tapered guide and motor-driven plunger align and lock fasteners automatically, avoiding complex optical systems in robotic assembly.

A separating wall and connection passage let battery and motor coolant chambers equalize pressure while limiting convective heat transfer.

A rocker extending inward to a lower frame member improves torsional load transfer and suppresses pillar collapse during side collision.

Angled side walls and rounded corner transitions simplify hot forming while preserving battery space and underfloor crash resistance.

Airflow cooling channels built into a vehicle skid plate dissipate battery heat while cutting exchanger weight, parts, drag, and impact risk.

Synchronized roller brush and crawler speeds improve wall-climbing pool robot steering, cleaning coverage, and battery endurance.

Dual coolant circuits balance left and right motor cooling during turns, acceleration, and road tilt to suppress temperature differences.

Universal cast bulkheads, floors, and mating surfaces cut part count, simplify vehicle assembly and repair, and reduce model-specific waste.

An auxiliary drive and switchable gear stage pre-rotate the machine, enabling variable-speed startup without high inrush current or complex converters.

A heatable map-controlled thermostat opens battery coolant flow below the normal valve threshold, combining heating and cooling in one circuit.

A coaxial planetary layout with brake-clutch switchover cuts transmission bulk while preserving component positioning freedom in propulsion units.

Separated battery modules and a side power electronics housing simplify EV battery installation while reducing moisture ingress and floor height.

Internal vertical load paths in the side sill spread side-impact forces to the cross member and battery case without wider, heavier rockers.

A shield plate, mounting pipe, and mid-plate reinforce underfloor battery fastening to resist impact damage while preserving pack durability.

Two electric machines share a common gear reduction, differential, and speed change mechanism to boost launch performance in frame rail vehicles.

TIM is patterned to match coolant channels on a battery thermal plate, improving heat transfer while cutting material, weight, and cost.

Unidirectional heat pipes move battery heat into the vehicle chassis, where fins dissipate it to cut liquid-cooling complexity and pack footprint.

A dual optical encoder with eccentric disks and paired sensors measures driven-component torque accurately, even when the shaft is stationary.

Fluid-pressure locking and a common ring gear enable smooth gear changes, compact packaging, and parking brake function without continuous pressure.

An iterative pressure-balancing approach determines oil pump flow for cooling hydraulic elements while avoiding costly non-linear map calculations.

A sealed housing paired with a thermally conductive support structure cuts battery pack weight while improving thermal management and serviceability.

An integrated clutch and intermediate shaft layout adds redundant parking lock protection without extra EPB hardware, space, or weight.

Interlocking extruded tray sections create a lightweight battery floor that spreads load, resists impact, and simplifies battery service.

Elastic bearings decouple the axle module from the frame to cut vibration and noise while preserving low-floor access, rigidity, and crash safety.

A monolithic axle housing with internal hydraulic passages reduces packaging bulk, shields components, and enables faster clutch actuation.

Nested planetary gear sets create a compact electric axle transmission that manages high motor speed while stabilizing the ring gear under radial load.

A block embedded between lower frame brackets boosts joint rigidity, reduces weld seam stress concentration, and preserves battery pack sealing.

A front battery guard deforms on impact, using an inclined surface and buffer space to absorb collision energy and protect the battery pack.

Separating the upper body and skateboard platform enables parallel EV manufacturing, faster assembly, and paint-shop-free e-coating.

Axially extended conductor sections and a housing-fixed contact bridge absorb tolerances, reducing stress from vibration and thermal cycling.

By engaging both form-fit clutches at once, this EV gearbox creates a parking lock without separate brake parts, cutting complexity and BOM.

A hollow stator with integrated coolant channels keeps in-wheel motor cooling active while allowing control electronics access without coolant disconnection.

An underfloor integrated power layout shortens vehicle wire harnesses by grouping storage devices, converters, and charger on one wiring structure.

A four-bar rigid linkage lets an underbody battery pack pivot away from deforming frame structures to minimize load transfer and contact.

Staggered radial pin-fins cool the stator while preserving coolant flow, reducing thermal resistance and pump backpressure.

A double-walled transverse wall supports a displaced drive unit in a crash, protecting the traction battery without heavy added structures.

Radial ribs reaching the side-member overlap zone route collision stress into a connecting rib, strengthening the motor case and reducing damage.

A reusable two-speed transmission module cuts EV drivetrain cost and complexity while scaling torque and power across vehicle types.

Laterally mounted battery packs and wheel-specific motors improve service access, mass distribution, and high-speed handling in an electric vehicle.

An acute-angle steel case and aluminum insert create surface contact that absorbs crash energy while limiting battery deformation and fire risk.

A planetary gear EV powertrain uses selective dual-motor shaft coupling to keep shifts smooth, cut motor capacity, and improve efficiency.

A hydraulic circuit switches oil supply between transmission pumps when backup pump pressure drops, maintaining drive pressure with lower energy loss.

A nested cam rod and pawl layout cuts housing space in vehicle parking mechanisms while preserving reliable gear locking.

Weakened screw zones in engine cradle fasteners allow rearward movement, limiting deceleration forces during rigid wall collisions.