Propulsion Using Engine-Driven Generators TRIZ Cases

A switchable hot/cold hydraulic loop improves cabin and engine temperature control while reducing refrigerant use in hybrid and electric vehicles.

A diesel-battery powertrain shifts paving machine actuators to hydraulic and electric drive, cutting emissions without losing operating performance.

Counter-rotating motors at the main rotor hub replace the tail rotor to improve yaw control while reducing noise, complexity, and safety risks.

Electrical power is added to the turbomachine and propulsor after uncommanded thrust loss, helping maintain aircraft control and performance.

Temperature-based control keeps standby rail power engines warm through shared cooling circuits, cutting cold starts, energy use, and wear.

Predicted SOC correction lets a moving object's generator respond early to load swings, avoiding storage depletion and power shortfalls.

Vibration isolators in a cradle mount keep an onboard generator stable while reducing noise, discomfort, and component damage in vehicles.

Closed-loop control uses predicted and actual primary mover performance to set vehicle parameters that improve fuel efficiency while preserving vehicle health.

Bidirectional converters link dual AC channels so one engine-driven machine can support the other during faults and load transitions.

A two-lever pneumatic start cycle drives a magneto generator, letting an EV generate onboard power without batteries or charging stations.

A pedal-driven generator and motor replace chains and chainrings, avoiding chain drop, clothing entanglement, and routine drivetrain upkeep.

An electric motor drives the hydraulic pump with the engine off, enabling quieter, emission-free rail work equipment operation.

A modular housing layout separates precharge, DC-DC, and communication functions to fit varied external loads without overlap.

A unified EV controller uses the compressor to cool a resistive load bank, reducing frontal cooling area and freeing mounting space.

Dynamic current threshold adjustment limits battery degradation during sustained high-load periods while preserving usable vehicle battery performance.

Tilt sensing limits boom slewing and arm pivoting on slopes, keeping the concrete pump stable and preventing overload.

Electric machine boost helps a turbomachine and propulsor recover from uncommanded thrust loss caused by events such as bird strikes or blowouts.

A shared-shaft motor and generator recovers braking energy to extend EV range without larger batteries, added weight, or extra volume.

Battery state-of-charge mode control lets generators share load and charging duties, smoothing transients without a dedicated charger.

Phased pushrod motion and stroke limiting enable 4-cycle linear piston generation with lower vibration, better fuel use, and reduced emissions.

Bidirectional converters link two engine-driven AC channels so one machine can support the other during faults and keep aircraft loads powered.

A movable drive chassis with tuned spring stiffness balances payload across drive and support modules while maintaining drive-wheel contact force.

Speed-based switching between high-energy and high-power batteries cuts aging, preserves burst-current readiness, and extends EV battery life.

A dual-fuel control strategy shifts hydrogen and hydrocarbon flow by altitude and humidity to cut contrails, CO2, and water vapor.

Battery power preserves precise rotor control while an engine-driven generator supports longer flights and larger agricultural implements.

A utility vehicle switches between engine and motor drive modes to optimize power delivery for varying terrain conditions.

An adaptive cruise control system adjusts target following distance to utilize regenerative braking for vehicle deceleration.

A hybrid vehicle control system switches engagement elements to prevent overheating during low-speed driving.

A control device manages hybrid vehicle power supply modes to ensure stable external load operation.

A module-based simulation tool separates vehicle and battery analysis to evaluate advanced start-stop designs using power profiles.

A vehicle power supply system regulates generator and DC/DC converter voltages during phase transitions to maintain stable on-board network operation.

Antiparallel load switches stabilize parallel vehicle batteries by eliminating DC/DC converters, reducing weight and power loss.

First electric machine operates as a generator to recharge the traction battery during internal combustion engine driving.

Variable pump speed regulation reduces battery current draw and extends electric pump durability during engine stop modes.

A hybrid work vehicle drive system integrates an electric motor with the engine output shaft to share motive power between traveling and work portions.

Segmented housing with active cooling manages heat generation while maintaining ventilation pathways in compact hybrid construction machines.