Oil balancing apparatus and refrigeration device
AssigneeDanfoss (Tianjin) Ltd.
InventorsHongling Xu, Leping Zhang, Kongkham Lovan
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Abstract
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.
Claims15
An oil balancing apparatus, applied to at least three compressors connected in parallel,
- the oil balancing apparatus comprises a first oil balancing pipe and a second oil balancing pipe, the first oil balancing pipe connecting oil sumps of all the compressors, the second oil balancing pipe connecting oil sumps of oil-rich compressors and not an oil sump of an oil-starved compressor.
A refrigeration device, comprising at least three compressors connected in parallel and an oil balancing apparatus for the compressors, and wherein
- the oil balancing apparatus comprises a first oil balancing pipe and a second oil balancing pipe, the first oil balancing pipe connecting oil sumps of all the compressors, the second oil balancing pipe connecting oil sumps of oil-rich compressors, and not an oil sump of an oil-starved compressor.
Dependencies are inferred from the claim text.