Inventor

HAYMAN ALAN W

US59 patents

⚠️ This page may combine multiple inventors who share the name “HAYMAN ALAN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAYMAN ALAN W

HAYMAN ALAN W

Internal combustion engine

Exhaust bypass system for turbocharged engine with dedicated exhaust gas recirculation

Internal combustion engine

Internal combustion engine

Engine assembly including multiple bore center pitch dimensions

Engine assembly including modified camshaft arrangement

Valvetrain for overhead valve engine

Intake manifold assembly for dedicated exhaust gas recirculation

Engine assembly including camshaft with independent cam phasing

Engine assembly including camshaft with multimode lobe

Internal combustion engine

Internal combustion engine and vehicle packaging for same

Engine assembly including combustion chambers with different port arrangements

Engine assembly including variable valve lift arrangement

Crankshaft for an internal combustion engine

GM GLOBAL TECH OPERATIONS INC

Fuel consumption based cylinder activation and deactivation control systems and methods

Partially integrated exhaust manifold

Remotely mounted high-pressure fuel pump assembly

Windage tray

Two-stage turbocharger system for internal combustion engines featuring cylinder deactivation

Powertrain and steering assembly layout

Crankshaft for variable displacement internal combustion engine

Light load air delivery system for an internal combustion engine

Engine inlet for EGR-air flow distribution

High performance overhead valvetrain assembly

Hydraulically lashed end pivot rocker arm

GM GLOBAL TECH OPERATIONS LLC

Oil pan having small active volume oil reservoir and methods of using the same

Engine with a turbocharger cooling module

Air inlet assembly for an internal combustion engine

Dimpled surface features for radiated noise attenuation in engine front covers

Fuel rail for an internal combustion engine

Dedicated EGR engine with dynamic load control

Cooling jacket for cylinder head

Engine assembly

Piston pin with outer member and core and method of manufacturing a piston pin

Cam follower assembly and method of manufacturing thereof

GEN MOTORS CORP

Compact two-step rocker arm assembly

Engine oil system with variable displacement pump

Cylinder head with integrated exhaust manifold

Valvetrain for a pushrod engine

Engine operating method and apparatus

Direct acting differential two-step valve train

Methods for starting a multi-cylinder internal combustion engine

Method of engine cylinder bore enlargement

Overhead camshaft drive assembly

GALLON ROBERT JACK

Cylinder deactivation to reduce fuel enrichment after fuel cutoff modes

Camshaft damping mechanism and method of assembly

Modular engine assembly and fluid control assembly for hydraulically-actuated mechanism

STALEY DAVID R

Engine having camshaft lubrication rail

LESTER DOMINIQUE T

Multipiece camshaft assembly