Reed valve assembly

Stratified scavenging carburetor

Opposed piston, homogeneous charge pilot ignition engine

Two-stroke engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Energy efficient clean burning two-stroke internal combustion engine

Two-stroke engine

Four stroke internal combustion engine with inlet air compression chamber

Two-stroke internal combustion engine

Carburetor

Method of operating a single cylinder two-stroke engine

Internal combustion engine with regenerator, hot air ignition, and naturally aspirated engine control

Heater and a method for delivering heat energy from a water cooled two cycle marine engine

Carburetor

Two-stroke internal combustion engine

Rotary valve

Internal combustion engine

Reciprocating piston engines

Internal combustion engine

Motorcycle engine method and apparatus

Fuel injection system for two-cycle engines

Rapid response power conversion device

Lead air control apparatus of stratified scavenging two-cycle engine

Air-hybrid and utility engine

Supercharged two-stroke engine with upper piston extensions

Two-cycle combustion engine of air scavenging type

Two-stroke internal combustion engine with free opposed pistons

Internal combustion engine

Apparatus with piston having upper piston extensions

Two-stroke and four-stroke switching mechanism

Sas piston channel for optimum air scavenging

Intake arrangement

Dynamically reconfigurable internal combustion engine

Method for reversing the direction of rotation of a two-stroke engine

Dual zone combustion chamber

Engine mounted oil tank

Exhaust-outlet control for 2-stroke engine

Internal combustion engine with heat exchanger

Crankcase scavenged four-stroke engine

Single-ended barrel engine with double-ended, double roller pistons

Stratified scavenged two-stroke engine

General-purpose engine

Two-cycle engine with forward scavenging air positioning and single-flow carburetor

Internal combustion engine and working cycle

Internal combustion engine

Internal combustion engine and working cycle

Two-stroke engine

Piston engine balancing

Two-stroke engine

Direct fuel-injected internal combustion engine having improved spark ignition system

Elastic connecting duct

Two-cycle engine

Two-stroke engine having a membrane valve integrated into the transfer channel

Information signal processing apparatus

SYSTEM AND METHOD FOR PREDICTIVE UNDER-FUELING AND OVER-FUELING IN A COMBUSTION ENGINE

Piston engine assembly

Preheating of inlet air

Hybrid two cycle engine, compressor and pump, and method of operation

Crankcase scavenged internal combustion engine

Two-stroke internal combustion engine

4-cycle, rotary, electromagnetic, internal combustion engines

Piston assembly

Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine

Two stroke charge piston engine

Engine cylinder with liner

Engine crank with air channels

Modified cycle two-stroke engine

Integrated flywheel and intake cam lobe

Methods and system for starting an engine

Internal restraining path in a rotor

Two-cycle motor

Piston external pin boss, longer combustion time, and power control valve

Power system with internal combustion engine

Engine crank

2-cycle engine

Spherical linear two stroke engine

Method and system for detecting and adapting to fuel differences for an engine

Cam-driven radial rotary engine incorporating an HCCI apparatus

Two-cycle internal combustion engine

Maintaining EGR flow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine

Motorcycle engine power valve control upgrade kit

Two-stroke reciprocating piston injection-ignition or compression-ignition engine

Crank mechanisms for asymmetrical non-sinusoidal piston motion profiles in opposed piston internal combustion engines

Free piston engine using exhaust gas for providing increased thrust to an aircraft turbine engine