MECHANICAL COOLANT PUMP
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United States of America Patent
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N/A
Issued Date -
Sep 12, 2013
app pub date -
Sep 7, 2010
filing date -
Sep 7, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A mechanical coolant pump for an internal combustion engine includes a pump housing configured to be stationary. The pump housing comprises an internal pneumatic actuator supplied by a pneumatic supply device. A pump wheel comprises a pump wheel shaft. The pump wheel shaft is rotatably supported by the pump housing. A driven shaft is directly connected to a pulley-wheel. An internal pneumatic clutch unit comprises a fixed clutch disk attached to the driven shaft or to the pump wheel shaft, and an axially slidable clutch disk. The slidable clutch disk is arranged at the pump wheel shaft or at the driven shaft and is rotatably fixed to the pump wheel shaft or to the driven shaft. The internal pneumatic actuator axially actuates the slidable clutch disk. The driven shaft is connectable to the pump wheel shaft via the internal pneumatic clutch unit.
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