DELIVERY DEVICE
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United States of America Patent
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N/A
Issued Date -
May 2, 2013
app pub date -
Mar 29, 2011
filing date -
Jun 17, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The delivery device with automatic regulation of the delivery rate comprises a pump device, a suction vessel and a suction sump, wherein the suction vessel has a suction chamber which is connected to the suction sump via an overflow edge and via an inlet duct which opens tangentially into the suction vessel, and wherein the pump device comprises a suction pipe and also a rotary pump which is connected in fluid-conducting fashion to the suction pipe, and wherein the suction pipe projects into the suction vessel from above, and wherein the inlet duct opens into the suction vessel in an alignment corresponding to the direction of rotation of the rotary pump, and wherein the suction pipe is connected to the rotary pump via a connecting pipe, and wherein the connecting pipe has a portion which runs at an angle α of between 45° and 135° with respect to the suction pipe. The portion advantageously runs through a wall. The rotary pump and the suction pipe are particularly advantageously arranged in separate chambers.
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