Filter structure of high-pressure common rail system of diesel engine

• Main Authors: LIU QIAN, WEI GUANGSHUAI, LI DEQIANG, FAN XIAOQIAN
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2024
• Subjects: BLASTING; CLEANING; CLEANING IN GENERAL; COMBUSTION ENGINES; CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; MILLING GRAIN; PERFORMING OPERATIONS; PREPARATORY TREATMENT OF GRAIN FOR MILLING; PREVENTION OF FOULING IN GENERAL; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; TRANSPORTING; WEAPONS

The invention discloses a diesel engine high-pressure common rail system filter structure, and belongs to the technical field of diesel engine high-pressure common rail systems, the diesel engine high-pressure common rail system filter structure comprises a high-pressure pipe and a high-pressure filter element, and the inlet end of the high-pressure filter element and the inner wall of the high-pressure pipe are hermetically mounted; the high-pressure filter element is provided with a central oil duct opened towards the inlet direction, the outer ring of the high-pressure filter element is provided with a first oil groove and a second oil groove, and the central oil duct is communicated with the first oil groove through the first oil duct; two ends of the first oil groove are sealed; one end of an inlet of the second oil groove is sealed; a ridge is formed between the first oil groove and the second oil groove, a filtering gap is formed between the surface of the ridge and the inner wall of the high-pressure