Lubricant sealing means for a compressor shaft
Patent 4183714 Issued on January 15, 1980. Estimated Expiration Date: 
November 14, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 14, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2608380 2820652 3452839 Sealed rotary system and method Patent #: 3937022 InventorAssigneeApplicationNo. 05/851351 filed on 11/14/1977US Classes:415/112, With inlet and outlet connections277/347, Close proximity seal (e.g., contactless, fluent, etc.)277/412, Labyrinth277/432, External device or system415/175INCLUDING ADDITIONAL MEANS CAUSING OR CONTROLLING FLUID FLOW FOR HEAT EXCHANGING, LUBRICATING OR SEALINGExaminersPrimary: Smith, Leonard E.Attorney, Agent or FirmInternational ClassesF04D 29/10 (20060101)F04D 29/08 (20060101) Foreign Application Priority Data1976-11-23 GBAbstractA compressor comprises one or more stages each including an impeller mounted for rotation on a shaft and rotatable in an impeller housing. A transmission is drivingly connected to the shaft and a bearing is provided supporting the shaft. Lubrication means are provided for the bearing which provide a continuous lubricant seal around the shaft between the shaft and the bearing to prevent air leaking through the bearing. A chamber is located between the impeller housing and the bearing for collecting excess lubricant and has an outlet for draining lubricant. | |
