Geared reciprocating piston engine with spherical rotary valve

Generating electricity with a hypocyloidally driven, opposed...

Hydraulic connecting rod

Hypereutectic aluminum-silicon alloy connecting rod for a two-cy

Hypocycloid engine

Hypocycloid engine

Hypocycloidal crank mechanism for piston engines, engines especi

Hypocycloidal crank transmission for piston engines, particularl

In-line multicylinder combustion engine

Interchangeable 2-stroke or 4-stroke high torque power engine

Interconnecting rotary and reciprocating motion

Interconnecting rotary and reciprocatory motion

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine