High availability fan system

Details High availability fan system High availability fan system

2005-10-18

2005-10-18

Fletcher, Marlon T. (Department: 2837)

Electricity: motive power systems

Motor structure adjustment or control

C318S034000, C318S445000, C417S016000, C416S159000, C416S160000, C416S162000, C236SDIG017

Reexamination Certificate

active

06956344

ABSTRACT:
A fan motor assembly with integrated redundant availability is recited. The fan motor assembly can include a fan motor subassembly with a first fan motor and a second fan motor, and a fan motor selector mechanism coupled to the fan motor subassembly, so that the fan motor selector mechanism selectively couples the first fan motor or second fan motor to a fan. The fan motor assembly can also include a control unit coupled to the fan motor selector mechanism, wherein the control unit is configured to control the fan motor selector mechanism such that either of the first fan motor and second fan motor is selectively engaged to the fan.

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patent: 6819017 (2004-11-01), Winkel et al.
patent: 2005/0095138 (2005-05-01), Robertson et al.

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