Patent ID: 6162029
Filing Date: 2000-12-19
Classification: F02M,Y10T

Abstract:
A throttle element for installation into a housing of a fuel pump, comprising:a fuel conduit (2) that leads from a connecting conduit (1), said fuel conduit including a bore portion (4) in the pump housing (3);a cylindrical insert (5) introduced into said bore portion (4) of said fuel conduit (2), said cylindrical insert including a circumferential wall (11) and an axial blind bore (8), said axial blind bore extending into an interior of said cylindrical insert (5);an annular groove (10) defined in said circumferential wall (11);a throttle opening (9) extending from said annular groove (10) to said blind bore (8);an annular gap (14) extending from said fuel conduit (2) to said annular groove (10), said annular gap (14) acting as a filter;said annular gap (14) is defined by an inner wall (7) of the pump housing and said circumferential wall (11); andsaid annular groove (10) is situated between said annular gap (14) and a first end face (6) of the insert (5), said first end face (6) bordering a downstream end (15) of the fuel conduit (2).