Supply pump for conveying reducing agent, particularly urea solution, has inlet with inlet valve and outlet, where another inlet is provided with another inlet valve

摘要

The supply pump (1) has an inlet with an inlet valve (5) and an outlet (7), where another inlet is provided with another inlet valve (6). The latter inlet valve is controlled or actuated independently by the former inlet valve. The latter inlet valve concerns one or more return valves with the former inlet valve. An independent claim is also included for a supply pump arrangement.