Inventor

PIERPONT DAVID ANDREW

US20 patents

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

PIERPONT DAVID ANDREW

CATERPILLAR INC

Engine valve actuator providing Miller cycle benefits

EGR system having multiple discharge locations

Airflow system for engine with series turbochargers

System and method for controlling engine operation

System and method for controlling engine operation

Control system and method for variable valve actuation system

Engine valve actuation system and method

Engine valve actuation system and method

Combustion bowl of a piston for an engine

Fuel allocation at idle or light engine load

Recirculation system for a power system that includes a plurality of turbochargers

Engine brake control according to engine operating parameters

Hydraulic early engine exhaust valve opening system

PIERPONT DAVID ANDREW

Exhaust system having series turbochargers and EGR

Exhaust system having parallel asymmetric turbochargers and EGR

Exhaust system having 3-way valve

Exhaust system

HITTLE CRAIG PHILLIP

Turbocharger having balance valve, wastegate, and common actuator

GLADDEN JOHN R

Exhaust system having parallel asymmetric turbochargers and EGR

EASLEY JR WILLIAM LANIER

Engine system having multi-stage turbocharging and exhaust gas recirculation