Oil balancing apparatus and refrigeration device

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United States of America Patent

PATENT NO 9657975
SERIAL NO

14087293

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Abstract

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Embodiments of the present invention provides an oil balancing apparatus, applied to at least three compressors connected in parallel. The oil balancing apparatus includes a first oil balancing pipe and a second oil balancing pipe. The first oil balancing pipe connects oil sumps of all the compressors, and the second oil balancing pipe only connects oil sumps of oil-rich compressors but not an oil sump of an oil-starved compressor.

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Patent Owner(s)

  • DANFOSS (TIANJIN) LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lovan, Kongkham Tianjin, CN 2 4
Xu, Hongling Tianjin, CN 3 21
Zhang, Leping Tianjin, CN 9 17

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