公开(公告)号：US3851632A

公开(公告)日：1974-12-03

申请号：US39632573

申请日：1973-09-11

Applicant: AGENCY IND SCIENCE TECHN

Inventor： TESHIROGI N ,  NAKAHARA H

IPC: F02M25/10 ,  F02B1/04 ,  F02B3/06 ,  F02B47/06 ,  F02D41/14 ,  F02M25/06

CPC classification number: F02D41/1439 ,  F02B1/04 ,  F02B3/06 ,  F02B47/06

Abstract: A sensor is inserted in the exhaust pipe of a normally aspirated type diesel engine. When the oxygen concentration in the exhaust gas from the engine falls below a preset level, the sensor detects the insufficiency of oxygen concentration and causes oxygen to be supplied into the cylinder so as to make up for the shortage of oxygen. By thus maintaining the oxygen concentration in the exhaust gas above the said preset level, noxious components of the exhaust gas are controlled.

Abstract translation: 传感器插入正常吸气型柴油发动机的排气管中。 当来自发动机的排气中的氧气浓度低于预设值时，传感器检测氧气浓度不足，并将氧气供应到气缸中，以弥补氧气的不足。 通过将排气中的氧浓度维持在上述预定值以上，可以控制废气中的有害成分。