MECHANICAL COOLANT PUMP
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United States of America Patent
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Issued Date -
Jan 10, 2013
app pub date -
Feb 16, 2010
filing date -
Feb 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A mechanical coolant pump for an internal combustion engine includes a main pump body comprising a volute housing and an outlet channel. A pump wheel is arranged in the volute housing. The pump wheel is configured to pump a coolant into the outlet channel. A volute tongue wall comprising a flap is configured to be axially pivotable. The volute tongue wall is configured to separate the outlet channel from a volute. An outlet valve defined by the flap of the volute tongue wall in an open position forms an end of the volute tongue wall. The outlet valve is configured to control a coolant outlet flow of the mechanical coolant pump. A pivot axis of the flap is arranged adjacent to the volute housing.
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