Damper assembly of high-pressure fuel pump

A damper assembly of a high-pressure fuel pump for reducing fuel pulsation, the damper assembly comprising:

• a damper comprising an upper body and a lower body that face each other in a vertical direction of the damper assembly, the upper body comprising a flange portion disposed along a circumference of the upper body, the lower body comprising a flange portion disposed along a circumference of the lower body;
• a retainer ring comprising a curved portion configured to support the damper and a support portion extending from the curved portion in a longitudinal direction;
• and
• a cover member configured to surround the damper and the retainer ring,
• wherein welding portions are disposed between the flange portion of the upper body and the flange portion of the lower body and between the flange portion of the lower body and the curved portion of the retainer ring to fix the damper in a housing of the damper assembly,
• wherein the curved portion of the retainer ring is curved towards a center of the retainer ring from an end of the support portion, and is simultaneously welded with the flange portion of the upper body and the flange portion of the lower body.