Power transformer/reactor

Details Power transformer/reactor Power transformer/reactor

2007-12-18

2011-10-25

Patel, Dhirubhai R (Department: 2835)

Electricity: conductors and insulators

Boxes and housings

With electrical device

C336S058000, C336S065000, C336S090000, C361S836000

Reexamination Certificate

active

08044307

ABSTRACT:
A power transformer/reactor immersed in oil including a transformer/reactor core and windings accommodated in a tank including a tank base plate and tank walls. A foundation supports the tank. An elongated continuous band forming a closed frame is arranged between the base plate and the foundation. An outer periphery of the base plate extends outside an inner periphery of the frame and thereby encloses an air volume within the frame, the base plate and foundation. The tank support reduces sound emitted from the transformer/reactor.

REFERENCES:
patent: 3175174 (1965-03-01), Simmons
patent: 3844030 (1974-10-01), Wilkinson
patent: 4644314 (1987-02-01), Fukatsu
patent: 5184104 (1993-02-01), Kondo
patent: 5889231 (1999-03-01), Marusinec et al.
patent: 7317598 (2008-01-01), Magnier
patent: 7646276 (2010-01-01), Yang et al.
patent: 7667563 (2010-02-01), Blanke
patent: 56042314 (1981-04-01), None
patent: 62076609 (1987-04-01), None
PCT/ISA/210—International Search Report—Mar. 11, 2008.
PCT/ISA/237—Written Opinion of the International Searching Authority—Mar. 11, 2008.
PCT/IPEA/409—International Preliminary Report on Patentability—Jan. 20, 2009.
PCT/ISA/201/SE—International-Type Search Report—May 30, 2007.

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