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    • 1. 发明申请
    • HEAT ENGINE WITH CASCADED CYCLES
    • 带发动机的热发动机
    • US20110271676A1
    • 2011-11-10
    • US12773431
    • 2010-05-04
    • Nalin WalpitaJohn G. Brisson
    • Nalin WalpitaJohn G. Brisson
    • F01K13/00F01K21/00F01K25/08
    • F01K25/08F01K7/32Y02E10/46
    • A method of converting thermal energy into another energy form using a thermodynamic cycle is disclosed, the method including the steps of: pressurizing a working fluid; supplying thermal energy to heat the working fluid from a liquid or substantially liquid state to a supercritical fluid state; in a first expander, substantially isentropically expanding the working fluid to yield energy in the other energy form; separating the expanded working fluid to form a first portion of the fluid diverted to a second expander and a second portion of the working fluid diverted to bypass the second expander; in the second expander, substantially isentropically expanding the first portion of the working fluid to yield energy in the other energy form; condensing the expanded first portion of the working fluid to a liquid or substantially liquid state; and recombining the first and second portions of the working fluid to be recirculated in the cycle.
    • 公开了一种使用热力循环将热能转换成另一种能量形式的方法,该方法包括以下步骤:对工作流体加压; 提供热能以将工作流体从液态或基本上液态加热到超临界流体状态; 在第一膨胀机中,基本上等距膨胀工作流体以产生另一能量形式的能量; 分离膨胀的工作流体以形成转移到第二膨胀器的流体的第一部分,并且工作流体的第二部分转向以绕过第二膨胀器; 在第二膨胀机中,基本上等距膨胀工作流体的第一部分以产生另一能量形式的能量; 将工作流体的膨胀的第一部分冷凝至液态或基本上液态; 并重新组合在该循环中要再循环的工作流体的第一和第二部分。
    • 4. 发明授权
    • Method for active cooling of downhole tools using the vapor compression cycle
    • 使用蒸汽压缩循环主动冷却井下工具的方法
    • US09366111B2
    • 2016-06-14
    • US13298123
    • 2011-11-16
    • Sandeep VermaJohn G. BrissonEric L. StabinskiQuincy K. Elias
    • Sandeep VermaJohn G. BrissonEric L. StabinskiQuincy K. Elias
    • E21B36/00E21B47/01
    • E21B36/001E21B47/011
    • A method of and apparatus for cooling equipment including exposing a fluid to a tool comprising electronic components at a temperature T and pressure P, compressing the fluid to a temperature T1 and pressure P1, exposing the fluid to a surface in communication with liquid or gas or both external to the tool wherein the fluid after exposure to the surface is at a temperature T2 and pressure P2, and allowing the fluid to expand to a temperature T3 and pressure P3 wherein the equipment is a tool in a subterranean formation and T is less than T2 and P is less than P2. Apparatus and methods for cooling oil field services tools including a fluid that conducts heat from the tool to the fluid, a compressor that, a heat exchanger that accepts fluid from the compressor and that rejects heat from the fluid, and a valve or orifice.
    • 一种用于冷却设备的方法和设备,包括将流体暴露于包括电子部件的工具,温度T和压力P,将流体压缩至温度T1和压力P1,将流体暴露于与液体或气体连通的表面,或 在工具外部,其中暴露于表面之后的流体处于温度T2和压力P2,并且允许流体膨胀到温度T3和压力P3,其中设备是地下地层中的工具,并且T小于 T2和P小于P2。 用于冷却油田服务工具的​​装置和方法,包括将热量从工具传导到流体的流体;压缩机,其接收来自压缩机的流体并且从流体排出热量的热交换器,以及阀或孔口。