| 摘要 |
A lubricant circulation system (10) includes a lubricant supply cup (1) containing a lubricant (6) and having an oil return hole (13) connected to an oil return pipe (16) of a rotary equipment (5). A pump seat (2) is coupled to the lubricant supply cup (1) and includes a pump chamber (253) and a pump outlet (254) connected to an oil supply pipe (256) of the rotary equipment (5). The lubricant (6) in the lubricant supply cup (1) flows into the pump chamber (253). A pump body (3) is coupled to the pump seat (2) and includes a pressure chamber (34) having a pressure inlet (341) and a pressure outlet (342) with a pressure relief valve (35). By introducing a pressurized fluid (7) from the pressure inlet (341) into the pressure chamber (34), a piston rod (27) in the pump chamber (253) reciprocally moves to allow the lubricant (6) in the pump chamber (253) to be successively supplied to the rotary equipment (5). A cooling device (4) is provided on the lubricant supply cup (1) for cooling the lubricant (6) before it enters the rotary equipment (5).
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