Fuel supply pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Dec 21, 2004
filing date -
Jan 9, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fuel supply pump, which is simple in construction and easy to produce and is capable of efficiently pressurizing a high flow rate of fuel, is provided. The fuel supply pump (50) includes a housing (52), a plunger barrel (53), a plunger (54) for pressurizing fuel, which is installed in the plunger barrel (53) so as to be allowed to move up and down, a cam (60) installed in rotation way below the plunger (54), a tappet structure body (6) installed between the cam (60) and the plunger (54) to transmitting the turning force, serving as a lifting force, from the cam shaft (3) to the plunger (54), a tappet structure body (6) installed between the cam (60) and the plunger (54) and provided for transmitting a upward or downward movement of the cam (60) caused by the rotation of the camshaft (3) to the plunger (54); and a return spring (68) for setting lowering force to the plunger (54), which is installed between the tappet structure body (6) and the plunger barrel (53).
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