LandOfFree - US Patents - Listing for Internal-combustion engines

Internal-combustion engines – Engine speed regulator – Specific throttle valve structure

Ultraviolet cured throttle bore pre-coating

Internal-combustion engines – Valve – Valve head cooperates with manifold

Umbrella seal for an automobile valve stem

Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...

Uncertainty detector in feed-back control system based on combus

Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy

Under the flywheel ignition system

Internal-combustion engines – Intake manifold – Manifold having plenum

Undercowl plenum chamber with preferential air paths

Internal-combustion engines – Combined devices – Generating plants

Unidirectional dual throughflow of air for primary reactors of c

Internal-combustion engines – Rotary – With transfer means intermediate single compression volume...

Unidirectional rotary piston internal combustion engine

Internal-combustion engines – Cooling – With cooling of additional parts or materials

Unified rotary flow control valve for internal combustion...

Internal-combustion engines – Free piston – Single chamber; one piston

Uniflow scavenging microengine

Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle

Uniflow, double-opposed piston type two-cycle internal combustio

Internal-combustion engines – Rotating cylinder – Parallel to shaft

Uniflow-type external combustion engine featuring double expansi

Internal-combustion engines – Four-cycle – Variable clearance

Uniform compression piston engine

Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system

Unipolar canister purge valve

Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means

Unit and method for controlling internal combustion engines

Internal-combustion engines – Charge forming device – Fuel injection system

Unit and snap-action device therefor

Internal-combustion engines – Frame construction – Horizontal cylinder

Unit carrier and internal combustion engine

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

Unit for controlling electronically controlled throttle valve

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

Unit for controlling electronically controlled throttle valve

Internal-combustion engines – Engine speed regulator – Open loop condition responsive

Unit for controlling electronically controlled throttle valve