Artificial pond

Details Artificial pond Artificial pond

2006-12-26

2006-12-26

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S170050, C210S416100, C210S424000, C239S020000

Reexamination Certificate

active

07153418

ABSTRACT:
An artificial pond having a motor pump unit with a brushless permanent magnet synchronous alternating current motor that is wound for operation on an alternating current voltage not greater than fifteen volts, and a step down transformer that converts 120 volts AC to an AC voltage not greater than 15 volts.

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