Compressor with cyclone and internal oil reservoir

摘要

A rotary compressor including a housing that defines an inlet, a low pressure chamber, an outlet, and a high pressure chamber defining a high pressure lubricant sump. A drive shaft passes through the housing and a compression element is coupled to the drive shaft between the low pressure chamber and the high pressure chamber. A first path connects the high pressure lubricant sump to the low pressure chamber such that lubricant flows through the first path from the high pressure lubricant sump to the low pressure chamber. A low pressure lubricant sump is positioned within the low pressure chamber and includes a movable gate movable from a closed position to an open position in response to a hydrostatic pressure of the lubricant within the low pressure lubricant sump. A second path connects a lubricant separator and the low pressure lubricant sump.

主权项

1. A rotary compressor comprising:
a housing defining an inlet in communication with a low pressure chamber and an outlet in communication with a high pressure chamber defining a high pressure lubricant sump; a drive shaft at least partially passing through the housing; a compression element coupled to the drive shaft and in fluid communication between the low pressure chamber and the high pressure chamber, the compression element compressing a working fluid; a lubricant separator in fluid communication between the high pressure chamber and the outlet to separate lubricant from the working fluid; a first path connecting the high pressure lubricant sump to the low pressure chamber such that lubricant flows through the first path from the high pressure lubricant sump to the low pressure chamber; an internal reservoir positioned within the low pressure chamber and including a movable gate, the movable gate being configured to open from a closed position to an open position in response to a hydrostatic pressure of the lubricant within the internal reservoir reaching a threshold hydrostatic pressure thereby allowing lubricant to exit the internal reservoir; and a second path connecting the lubricant separator and the internal reservoir.