Internal-combustion engine i.e. petrol engine, controlling method, involves closing exhaust valves of high pressure accumulator until idle condition of engine, and continuously operating high-pressure pump after stoppage requirement

摘要

#CMT# #/CMT# The method involves supplying a high pressure accumulator (17) with fuel by a high-pressure pump (14). A run-out of an internal-combustion engine (19) takes place on a stoppage requirement, and exhaust valves (18) of the high pressure accumulator remain closed until an idle condition of the internal-combustion engine. The high-pressure pump is continuously operated after the stoppage requirement. The high-pressure pump is mechanically driven by the internal-combustion engine. The pressure in the high pressure accumulator is increased during the run-out. #CMT# : #/CMT# Independent claims are also included for the following: (1) a device i.e. electronic control unit or internal-combustion engine for executing control method (2) a computer program with program code implemented in a computer for controlling an internal-combustion engine. #CMT#USE : #/CMT# Method for controlling an internal-combustion engine i.e. petrol engine (claimed). #CMT#ADVANTAGE : #/CMT# The high-pressure pump is continuously operated after the stoppage requirement, thus providing a sufficient pressure in the high pressure accumulator for a fast restart of the internal-combustion engine. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a block diagram of a fuel supply system. 12 : Feed pump 14 : High-pressure pump 17 : High pressure accumulator 18 : Exhaust valves 19 : Internal-combustion engine.