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US 8,887,699 B2Granted
Drive device
AssigneeBorgWarner Inc.
InventorsDirk Schliesche, Andreas Didion
Life of this patent
Estimating the term…
Abstract
One embodiment includes a combination including a secondary air pump; and a first control valve constructed and arranged to control flow of air into the secondary air pump from one or more lines connected to the first control valve; and/or a second control valve constructed and arranged to control flow of air from the secondary air pump through one or more lines connected to the second control valve. The combination being particularly useful in a system including a combustion engine.
Claims19
A product, comprising:
- an internal combustion engine connected to an air intake line;
- an air pump comprising a pump inlet and a pump outlet;
- an air feed line connecting the pump inlet to a clean air region of the air intake line;
- a secondary air supply line connecting the pump outlet to an outlet manifold of the internal combustion engine;
- a first control valve arranged in the air feed line, the first control valve comprising two inlets and one outlet;
- and
- a second control valve arranged in the secondary air supply line, the second control valve comprising one inlet and two outlets.
4 more elements
A product, comprising:
- an internal combustion engine connected to an air intake line;
- an air pump comprising a pump inlet and a pump outlet;
- a fuel ventilation line connecting a fuel tank to the pump inlet;
- a fuel vapor bypass line connecting the pump outlet to a clean air region of the air intake line;
- a first control valve arranged in the fuel ventilation line, the first control valve comprising two inlets and one outlet;
- and
- a second control valve arranged in the fuel vapor bypass line, the second control valve comprising one inlet and two outlets.
4 more elements
A method comprising:
- providing an air pump constructed and arranged to provide air along a flow path from a clean air region of an air intake line of an internal combustion engine to an exhaust manifold of the internal combustion engine;
- and
- operating a first control valve and a second control valve arranged along the flow path so that the air pump provides fuel vapor from a fuel tank to the clean air region;
- wherein the first control valve comprises first and second inlets and an outlet;
- and
- wherein the second control valve comprises first and second outlets and an inlet.
3 more elements
Dependencies are inferred from the claim text.