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US 2014/0196603 A1Published application
Ceramic plunger with at least one control element
AssigneeCaterpillar Motoren GmbH & Co. KG
InventorAndreas Von Der Osten-Sack
Life of this patent
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Abstract
A plunger for axial movement and rotation within a pump barrel of a fuel pump comprises a substantially cylindrically shaped plunger shaft made of a ceramic material, and at least one control element for controlling a rotational angle of the plunger. The at least one control element is attached to the plunger shaft.
Claims15
A plunger for axial movement and rotation within a pump barrel of a fuel pump, the plunger comprising:
- a plunger shaft made of a ceramic material, and
- at least one control element for controlling a rotational angle of the plunger, wherein the at least one control element is attached to the plunger shaft
A fuel pump, comprising a plunger that includes:
- a plunger shaft made of a ceramic material, and
- at least one control element for controlling a rotational angle of the plunger, wherein the at least one control element is attached to the plunger shaft.
Dependencies are inferred from the claim text.