Method of liquid-cooling an inverter device

Details Method of liquid-cooling an inverter device Method of liquid-cooling an inverter device

1996-10-07

1999-12-14

Thai, Xuan M.

Pumps

Condition responsive control of pump drive motor

Responsive to pump or pump fluid temperature

417 53, F04B 4910

Patent

active

060009128

ABSTRACT:
An inverter device mounted on a heat sink for controlling a pump is cooled with a cooling liquid which is typically water discharged by the pump. The rate of flow of the cooling liquid supplied to the heat sink is regulated by a flow regulating mechanism based on the temperature of the heat sink detected by a temperature detecting device, for thereby keeping the temperature of the heat sink in a predetermined range. The heat sink supplied with the cooling liquid which is thus regulated by the flow regulating mechanism prevents the inverter device and wires connected thereto from being overly cooled and hence from suffering moisture condensation.

REFERENCES:
patent: 3656540 (1972-04-01), Henrici
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patent: 4709560 (1987-12-01), Voorhis et al.
patent: 4834624 (1989-05-01), Jensen et al.
patent: 5052472 (1991-10-01), Takahashi et al.
patent: 5177972 (1993-01-01), Sillato et al.
patent: 5484012 (1996-01-01), Hiratsuka
patent: 5531285 (1996-07-01), Green
European Patent Office Communication with European Search Report for European Patent Application No. 96116164.3 dated Feb. 10, 1997.

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