Reciprocating Combination Engines TRIZ Cases

Pressure-driven valve timing and a low-pressure drive stem simplify Brayton cryogenic expansion while improving refrigeration efficiency.

Pressure-balanced piston motion and valve timing improve Brayton-cycle cryogenic refrigeration while reducing cam and flywheel complexity.

A mass management fill system stabilizes working fluid pressure so waste heat engines can generate power from low-temperature, low-flow sources.

Opposed diaphragms generate balanced pressure waves for cryogenic refrigerators while isolating clean gas from costly piston drives.

Independent engines for the rotor and propeller plus a freewheel mechanism maintain control, autorotation, and safer landing after failure.

A compound linear motion and rotary actuator design separates piston and spline shaft functions to eliminate rotational friction at the sealing interface.

A hybrid wind turbine integrates solar thermal energy and fuel cell backup to maintain continuous electrical power generation.

Bypass control diverts working fluid around rotary expander to heater core during cold starts, reducing engine warm-up time.

A hybrid vehicle pairs a gasoline boiler with a piston steam engine to drive the drivetrain.

Adjustable turbine and compressor vanes modify airflow to change power delivery, eliminating slow high-pressure spool acceleration delays.

Parallel rotary transformers reduce size and weight by segmenting large units into smaller industrial machines with common controls.

Merging boiler feedwater streams into a common header reduces piping complexity and capital expenditures while maintaining syngas heater reliability.

A slave piston rapidly opens an inlet channel by ramming a seat valve body, preventing pressure fluid leakage and drafts.

Battery system stabilizes grid supply by compensating for cloud-induced voltage deviations and flicker.

A cogeneration system interrupts grid supply via a feed line switch during outages to prevent reverse power flow.

A hybrid steam engine and electric motor drive a common air compressor through coordinated pressure sensing and valve control.

A controller manages multiple engines by initiating or stopping operation based on throttle position and vehicle speed.

Diesel-steam power plant recovers waste heat from exhaust gases to drive a steam turbine, increasing efficiency while reducing harmful emissions.

An external combustion system drives a flexible membrane to generate rotational power, reducing engine complexity and emissions.

Segmented elastic seals accommodate sleeve movement to maintain integrity across 1000 bar pressure differences.

A hybrid clutch assembly connects an internal combustion engine and a DC electric motor to drive an aircraft propeller.

A partialising system converts an internal combustion engine cylinder to a steam cycle using intercept organs and electronic control.

An electric machine supplements engine power to maintain crankshaft rotation, preventing stalling while accelerating catalytic converter warm-up.

A lock-up clutch enables direct mechanical power transmission between an engine and a multi-mode power train output connection.

Segmented engine blocks with decouplable clutches maintain operation after failure, reducing weight and installation space.

A heat engine uses check valves to create pressure differences in a preload fluid, driving hydraulic load through controlled piston movement.

Multi-stage sliding vane rotary expander with balanced fluid coupling between stages.

Non-aqueous coolant maintains high temperatures in a helical jacket, preventing film boiling while maximizing waste heat recovery for steam generation.

A hybrid power unit integrates a flywheel mass element on the balancer shaft to stabilize vibration and quiet operation.

An engine control system adjusts air per cylinder parameters to reduce pumping losses during deceleration fuel cutoff events.

A combustion engine injects heated aqueous fluid into the cylinder to trigger steam reformation and dissociation.

A selective exhaust routing valve channels secondary engine flow to primary aftertreatment, reducing costs while maintaining emission control.

A vehicle heating system adjusts blower speed based on coolant temperature to prioritize fuel economy.

An electrolysis device supplies hydrogen gas to a ship propulsion engine intake, reducing soot production while managing device complexity.

Synchronizing an electric motor with engine speed delivers immediate supplemental torque, eliminating the response lag inherent in turbocharging systems.

A Stirling engine converts exhaust thermal energy into mechanical power to accelerate aftertreatment light-off.

Planetary gears manage shaft phase to enable continuous variable displacement without dead zones.

A hybrid construction machine uses a manual selector to switch between hydraulic and electric swing drive modes.

Partitioning the exhaust passage into independent heat medium passages ensures uniform power output across multiple Stirling engines.

A transportable hybrid power box combines solar panels, wind turbines, and fuel cells to generate electricity in remote locations.

Rotating disk chamber switches air flow between continuous and discontinuous modes, enabling hypersonic speeds without complex mechanisms.

Electromagnetic valve actuator uses fluid pressure to drive piston motion for rapid reciprocating engine operation.

A zero clearance steam expander cycle admits fresh charges while exhausting residual gas to minimize wasted volume.

A rotary dedicated exhaust gas recirculation engine generates steady exhaust flow to drive a secondary crankshaft.

A controller distributes steady and transient load components between multiple engines based on individual operational criteria to optimize usage.

A rotary piston engine uses exhaust gas pressure to drive pistons in expansion mode, converting waste energy into mechanical work.

Dual continuously variable power sources manage energy conversion losses during mode transitions, optimizing efficiency while maintaining flexible gear ratios.

An axial piston fluid engine employs external bearing supports to remove internal lubrication, preventing fluid mixing while maintaining critical alignment.

A modular internal combustion engine uses a cam crank profile to control piston stroke motion and manage fluid distribution across multiple banks.

A heat engine operating on an organic Rankine cycle extracts thermal energy from process fluid coolers and stripper condensers.

Circumferential fluid outlet nozzles balance pressure to prevent lateral tilting and maintain load-bearing capability at top dead center.

An electric machine coupled to the crankshaft generates compensating torque to maintain internal-combustion engine rotational speed above a restoring threshold during gear shifts.