Fuel pump
AssigneeAudi AG
InventorPeer Christopher Lege
Life of this patent
Estimating the term…
Abstract
A fuel pump for conveying fuel includes a conveying unit having a cylinder, a plunger received in the cylinder, a pump spring received in the cylinder, an inner sleeve connected to the plunger, an outer sleeve in contact with the pump spring and in contact with a roller of a cam mechanism, and a locking bolt configured to detachably connect the inner and outer sleeves.
Claims9
A fuel pump for conveying fuel, comprising a conveying unit including a cylinder, a plunger received in the cylinder, a pump spring received in the cylinder, an inner sleeve connected to the plunger, an outer sleeve in contact with the pump spring and in contact with a roller of a cam mechanism, and a locking bolt configured to detachably connect the inner and outer sleeves, wherein the locking bolt is biased by a locking spring located above the locking bolt, wherein the plunger moves in the cylinder at a delivery stroke, a level of which is variable by the cam mechanism.
An injection system for a combustion engine, comprising:
- a module including a fuel pump for conveying fuel, said fuel pump including a conveying unit including a cylinder, a plunger received in the cylinder, a pump spring received in the cylinder, an inner sleeve connected to the plunger, an outer sleeve in contact with the pump spring and in contact with a roller of a cam mechanism, and a locking bolt configured to detachably connect the inner and outer sleeves, wherein the locking bolt is biased by a locking spring located above the locking bolt;
- and
- a fuel accumulator operably connected to the fuel pump of the module, wherein the plunger moves in the cylinder at a delivery stroke, a level of which is variable by the cam mechanism.
Dependencies are inferred from the claim text.