METHODS AND SYSTEMS FOR HIGH PRESSURE FUEL PUMP COOLING

• Main Authors: Thomas, Joseph Lyle, Sanborn, Ethan D, Pierce, Michael Anthony
• Format: Patent
• Language: English
• Published: 14.03.2019
• Subjects: BLASTING; COMBUSTION ENGINES; CONTROLLING COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; WEAPONS

Methods and systems are provided for temperature control of a high pressure pump (HPP) of a direct injection system. When direct injection is disabled, the HPP and the associated direct injectors are intermittently operated when the HPP temperature rises above a modeled threshold temperature. The HP...