Rabin & Berdo, P.C.
Fuel injection pump including a variable pressure compartment
A fuel injection pump having a variable pressure chamber which can adjust a fuel injection timing according to each engine load with a simple structure and a lower manufacture cost compared to the conventional injection pump without a separate apparatus for moving a barrel as well as not modifying a shape of a plunger.The fuel injection pump having the variable pressure chamber further includes a pressure adjustment mechanism including a contact plug of which lower portion is inserted and installed in the upper cover; a cylinder of which lower portion is inserted and installed in the contact plug and having the variable pressure chamber formed inside thereof; a main fuel pressing hole formed in the upper cover and the barrel to connect the variable pressure chamber of the cylinder and a plunger insertion hole of the barrel; a piston installed in the variable pressure chamber of the cylinder to enable an upward and downward sliding motion thereof; and a manual pressure adjustment unit installed on an upper portion of the cylinder to enable a vertical height adjustment to elastically support the upper portion of the piston.
HYUNDAI HEAVY INDUSTRIES CO., LTD.
F F F F F F F F F F F
F02M F04B F02M F04B F02M F04B F02M F04B F04B F02M F04B
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Deuk-Jin Ju-Tae Byong-Seok Eun Beom-Yong Tae-Hyung Dong-Hun Wook-Hyeon
Park Kim Kim Ha No Park Kim Yoon