Pump unit for reducing agents in an exhaust gas purification system
AssigneeContinental Automotive GmbH
InventorWendelin Klügl
Life of this patent
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Abstract
A pump for reducing agents of an exhaust gas purification system for an internal combustion engine of a motor vehicle includes: a diaphragm carrier; a diaphragm arranged on the diaphragm carrier, the diaphragm having a radially outer collar; and a pump housing configured to secure the radially outer collar of the diaphragm. The radially outer collar of the diaphragm has a reinforcing ring.
Claims6
A pump for reducing agents of an exhaust gas purification system for an internal combustion engine of a motor vehicle, the pump comprising:
- a diaphragm carrier;
- a diaphragm arranged on the diaphragm carrier, the diaphragm having a radially outer collar;
- and
- a pump housing configured to secure the radially outer collar of the diaphragm,
- wherein the radially outer collar of the diaphragm has a reinforcing ring entirely arranged on a radially outermost portion of the radially outer collar.
A pump for reducing agents of an exhaust gas purification system for an internal combustion engine of a motor vehicle, the pump comprising:
- a diaphragm carrier;
- a diaphragm arranged on the diaphragm carrier, the diaphragm having a radially outer collar;
- and
- a pump housing configured to secure the radially outer collar of the diaphragm,
- wherein the radially outer collar of the diaphragm has a reinforcing ring, and
- wherein the reinforcing ring comprises metal.
Dependencies are inferred from the claim text.