Cooling and lubrication for high speed rotating systems专利检索-潜热换热器专利检索查询-专利查询网

Cooling and lubrication for high speed rotating systems

阅读：166发布：2024-01-17

专利汇可以提供Cooling and lubrication for high speed rotating systems专利检索，专利查询，专利分析的服务。并且A high speed rotating system driven by a motor which constitutes a source of heat. The system has bearings of porous material through which a liquid coolant is fed and in which heat of friction causes vaporization of the lubricant and hence cooling of the bearing and dissipation of heat from the motor due to the fact that the latent heat of vaporization is derived from the bearing surface and immediately adjacent areas.，下面是Cooling and lubrication for high speed rotating systems专利的具体信息内容。

权利要求

1. The combination including housing means defining at least a part of a chamber adapted to be evacuated, a shaft extending into the chamber for supporting apparatus for high speed rotation in the chamber, and a bearing assembly supported by said housing means and receiving said shaft for cooling and lubricating said shaft, comprising annular sleeve bearing means having one end opening into the chamber for receiving said shaft; well means defining an enclosure; and a low vapor pressure lubricative coolant fluid received in said enclosure, said fluid being in communication with an interface formed in said bearing means between said shaft and said bearing means, fluid from said well means being caused when the chamber is evacuated to migrate into said interface and ultimately to the chamber at least in part by the pressure differential existing between the chamber and the fluid in said enclosure, whereby upon reaching the chamber said fluid evaporates to effect a cooling of the optical apparatus and bearing assembly, the evaporation of said fluid minimizing the problem of contamination of the apparatus.

2. The combination including housing means defining at least a part of a chamber adapted to be evacuated, a shaft extending into the chamber for supporting optical apparatus for high speed rotation in the chamber, and a bearing assembly supported by said housing means and receiving said shaft for cooling and lubricating said shaft, comprising: annular sleeve bearing means formed from a porous heat-conductive material, and having one end opening into the chamber for receiving said shaft; annular well means defining an enclosure substantially surrounding said bearing means; and means for supplying said enclosure in said well means with a low vapor pressure lubricative coolant fluid, said fluid being in communication and heat transfer relationship with an interface formed in said bearing means between said shaft and said sleeve, fluid from said well means being caused when the chamber is evacuated to migrate into said interface and ultimately to the chamber at least in part by the pressure differential existing between the chamber and the fluid in said enclosure, whereby upon reaching the chamber said fluid evaporates to effect a cooling of the apparatus and bearing assembly, the evaporation of said fluid minimizing the problem of contamination of the optical apparatus.

3. The combination defined by claim 2 wherein the inner surface of said bearing means contains helical grooves arranged to direct said fluid away from the evacuated chamber when said shaft is rotated in a predetermined direction.

4. The combination defined by claim 3 wherein said fluid is selected from the group consisting of napthalene, xylenol, and amyl alcohol.

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Cooling and lubrication for high speed rotating systems

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