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US 2019/0162143 A1Published application
On-Off Valve For A Fuel Injection System, And High-Pressure Fuel Pump
AssigneeContinental Automotive GmbH
InventorsJörg Bernhardt, Yavuz Kurt
Life of this patent
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Abstract
Various embodiments include a valve comprising a valve body including a valve seat; and a valve element movable along a longitudinal axis to close the on-off valve by sealing against the valve seat. The valve body includes a conical lateral surface. The valve body includes a radially extending spring projection which is resilient in an axial direction and projects radially beyond the lateral surface.
Claims11
An on-off valve for a fuel injection system of an internal combustion engine, the valve comprising:
- a valve body including a valve seat;
- and
- a valve element movable along a longitudinal axis to close the on-off valve by sealing against the valve seat;
- wherein the valve body includes a conical lateral surface;
- and
- the valve body includes a radially extending spring projection which is resilient in an axial direction and projects radially beyond the lateral surface.
3 more elements
A high-pressure fuel pump for a fuel in a fuel injection system, the pump comprising:
- a pump casing;
- and
- a valve body including a valve seat;
- and
- a valve element movable along a longitudinal axis to close the on-off valve by sealing against the valve seat;
- wherein the valve body includes a conical lateral surface;
- and
- the valve body includes a radially extending spring projection which is resilient in an axial direction and projects radially beyond the lateral surface;
- wherein the pump casing includes a location hole for locating the valve body;
- and
- a hole wall of the location hole tapers conically into the pump casing, in at least one region.
8 more elements
Dependencies are inferred from the claim text.