Liquid-cooled pump control device and fluid pump assembly
First Claim
1. A pump control device comprising a casing and a speed controller, in particular a frequency converter, arranged in the casing for controlling the rotational speed of an electric drive motor of a fluid pump, wherein the casing includes a section of good thermal conductivity in which a cavity is formed which exhibits connections for coupling with the output of a fluid pump to be controlled by the pump control device and with pipes so that the cavity can be passed through by the entire fluid stream delivered by the fluid pump and that the speed controller is connected in the heat-conducting manner to the casing portion of good thermal conductivity.
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Accused Products
Abstract
In a pump control device (1, 1′) comprising a casing (2, 3; 2′, 3′) and a speed controller (20), in particular a frequency converter, arranged in the casing for controlling the rotational speed of an electric drive motor (103; 103′) of a fluid pump (100; 100′), the casing includes a section (3; 3′) of good thermal conductivity in which a cavity (4; 4′) is formed which exhibits connections (5, 6, 7; 5′, 6′) for coupling with the output (102; 102′) of a fluid pump (100; 100′) to be controlled by the pump control device and with pipes so that the cavity (4; 4′) can be passed through by the entire fluid stream delivered by the fluid pump, wherein the speed controller (20) is connected in a heat-conducting manner to the casing portion (3; 3′) of good thermal conductivity.
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Citations
16 Claims
- 1. A pump control device comprising a casing and a speed controller, in particular a frequency converter, arranged in the casing for controlling the rotational speed of an electric drive motor of a fluid pump, wherein the casing includes a section of good thermal conductivity in which a cavity is formed which exhibits connections for coupling with the output of a fluid pump to be controlled by the pump control device and with pipes so that the cavity can be passed through by the entire fluid stream delivered by the fluid pump and that the speed controller is connected in the heat-conducting manner to the casing portion of good thermal conductivity.
Specification