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12 条记录 (耗时 0.019 秒)

    Fluorinated ketone and fluorinated ethers as working fluids for thermal energy conversion
    1.
    发明申请
    Fluorinated ketone and fluorinated ethers as working fluids for thermal energy conversion 审中-公开

    公开(公告)号：US20050188697A1

    公开(公告)日：2005-09-01

    申请号：US10790303

    申请日：2004-03-01

    申请人： Gary Zyhowski ,  Rajiv Singh

    发明人： Gary Zyhowski ,  Rajiv Singh

    IPC分类号： C09K5/04 ,  F01K25/08 ,  A61K31/44 ,  F01K25/00

    CPC分类号： C09K5/045 ,  C09K2205/108 ,  C09K2205/112

    摘要： Polyfluorinated ethers and polyfluorinated ketones and mixtures thereof, preferably polyfluorinated ethers such as methyl(trifluoroethyl)ether (CH3OCH2CF3), methyl(heptafluoropropyl)ether (CH3OCF2CHFCF3), di(trifluoroethyl)ether (CF3CH2OCH2CF3), methyl(hexafluoropropyl)ether (CH3OCF2CF2CHF2), methyl(pentafluoropropyl)ether (CH3OCH2CF2CF3), methyl (perfluorobutyl)ether (C4F9OCH3), ethyl(perfluorobutyl)ether (C4F9OC2H5), and polyfluorinated ketones such as methyl(perfluoromethyl)ketone (CF3COCH3), perfluoromethyl(trifluoroethyl)ketone (CF3CH2COCF3), methyl(perfluooroethyl)ketone (C2F5COCH3), methyl(perfluoropropyl)ketone (F3CF2CF2COCH3), perfluoroethyl(perfluoropropyl)ketone (CF3CF2CF2COC2F5), methyl(octafluorobutyl)ketone (C2F5CFHCF2COCH3), di(perfluoropropyl)ketone (CF3CF2CF2COCF2CF2CF3), and mixtures thereof meet the requirement for not adversely affect atmospheric chemistry and would be a negligible contributor to ozone depletion and to green-house global warming in comparison to the fully halogenated hydrocarbons and are suitable for use as working fluids for u se i n thermal energy conversion systems such as an organic Rankine cycle system.

    Working fluids for thermal energy conversion of waste heat from fuel cells using rankine cycle systems
    2.
    发明申请
    Working fluids for thermal energy conversion of waste heat from fuel cells using rankine cycle systems 有权
    使用Rankine循环系统从燃料电池热能转换废热的工作流体

    公开(公告)号：US20060010872A1

    公开(公告)日：2006-01-19

    申请号：US10892913

    申请日：2004-07-16

    申请人： Rajiv Singh ,  David Wilson ,  Gary Zyhowski ,  Ryan Hulse

    发明人： Rajiv Singh ,  David Wilson ,  Gary Zyhowski ,  Ryan Hulse

    IPC分类号： F01K23/06 ,  F01K25/00

    CPC分类号： H01M8/04029 ,  C09K5/045 ,  F01K25/08 ,  H01M8/04022 ,  H01M2250/405 ,  Y02B90/16 ,  Y02P20/123 ,  Y02P20/124

    摘要： A process for recovering waste heat which comprises: (a) passing a liquid phase working fluid through a heat exchanger in communication with a process which produces the waste heat; (b) removing a vapor phase working fluid from the heat exchanger; (c) passing the vapor phase working fluid to an expander, wherein the waste heat is converted into mechanical energy; and (d) passing the vapor phase working fluid from the expander to a condenser, wherein the vapor phase working fluid is condensed to the liquid phase working fluid. The preferred working fluid is an organic Rankine cycle system working fluid comprising compounds having the following general structure: where x, y, z, and m are each selected from the group consisting of: fluorine, hydrogen, Rf, and R, wherein R and Rf are each an alkyl, aryl, or alkylaryl of 1 to 6 carbon atoms, and wherein Rf is partially or fully fluorinated.

    摘要翻译： 一种用于回收废热的方法，包括：（a）使液相工作流体通过与产生废热的过程连通的热交换器; （b）从热交换器中除去气相工作流体; （c）使气相工作流体通过膨胀机，其中废热转化为机械能; 和（d）使气相工作流体从膨胀器通到冷凝器，其中气相工作流体被冷凝到液相工作流体。 优选的工作流体是有机兰金循环系统工作流体，其包含具有以下一般结构的化合物：其中x，y，z和m各自选自：氟，氢，R f >和R，其中R和R分别是1至6个碳原子的烷基，芳基或烷基芳基，并且其中R 1f被部分或完全氟化。

    Leak detection method using microencapsulated dye precursor
    3.
    发明申请
    Leak detection method using microencapsulated dye precursor 审中-公开
    使用微胶囊化染料前体的泄漏检测方法

    公开(公告)号：US20050042758A1

    公开(公告)日：2005-02-24

    申请号：US10644569

    申请日：2003-08-20

    申请人： Gary Zyhowski ,  Rajiv Singh ,  Raymond Thomas

    发明人： Gary Zyhowski ,  Rajiv Singh ,  Raymond Thomas

    IPC分类号： G01N31/22 ,  G01N31/00

    CPC分类号： G01N31/22

    摘要： A method of detecting a leakage of a chemical from a closed system into the environment and/or revealing the location of the leakage is provided. The method includes the steps of: placing a test strip in close proximity of or in direct contact with a suspected leak in the closed system, the test strip including a support material and a color forming composition disposed on the support material, the color forming composition including a dye precursor encapsulated in a microcapsule, a developer and optionally a filler; and detecting development of a color on the test strip in response to contact of the microcapsule with the chemical thereby indicating the presence of and/or the revealing the location of the leak.

    摘要翻译： 提供了一种检测化学品从封闭系统泄漏到环境中和/或泄露泄漏位置的方法。 该方法包括以下步骤：将测试条放置在密封系统中与可疑泄漏紧密接触或直接接触，测试条包括支撑材料和设置在支撑材料上的成色组合物，成色组合物 包括包封在微胶囊中的染料前体，显色剂和任选的填料; 并且响应于微胶囊与化学品的接触而检测测试条上的颜色的发展，从而指示泄漏的存在和/或揭示泄漏的位置。

    Chloro- And Bromo-Fluoro Olefin Compounds Useful As Organic Rankine Cycle Working Fluids
    6.
    发明申请
    Chloro- And Bromo-Fluoro Olefin Compounds Useful As Organic Rankine Cycle Working Fluids 有权
    氯和氟氟烯烃化合物可用作有机兰金循环工作液

    公开(公告)号：US20100139274A1

    公开(公告)日：2010-06-10

    申请号：US12630647

    申请日：2009-12-03

    申请人： Gary Zyhowski ,  Ryan Hulse ,  Haridasan K. Nair ,  David Nalewajek ,  Rajiv R. Singh

    发明人： Gary Zyhowski ,  Ryan Hulse ,  Haridasan K. Nair ,  David Nalewajek ,  Rajiv R. Singh

    IPC分类号： F01K25/08 ,  F01K23/02 ,  F01K23/08 ,  C07C21/18

    CPC分类号： C09K5/048 ,  C07B2200/09 ,  C07C21/18 ,  C09K5/045 ,  C09K2205/126 ,  F01K25/06 ,  F01K25/08

    摘要： Aspects of the present invention are directed to working fluids and their use in processes wherein the working fluids comprise compounds having the structure of formula (I): wherein R1, R2, R3, and R4 are each independently selected from the group consisting of: H, F, Cl, Br, and C1-C6 alkyl, at least C6 aryl, at least C3 cycloalkyl, and C6-C15 alkylaryl optionally substituted with at least one F, Cl, or Br, wherein formula (I) contains at least one F and at least one Cl or Br, provided that if any R is Br, then the compound does not have hydrogen. The working fluids are useful in Rankine cycle systems for efficiently converting waste heat generated from industrial processes, such as electric power generation from fuel cells, into mechanical energy or further to electric power. The working fluids of the invention are also useful in equipment employing other thermal energy conversion processes and cycles.

    摘要翻译： 本发明的方面涉及工作流体及其在工作流体中的用途，其中工作流体包含具有式（I）结构的化合物：其中R 1，R 2，R 3和R 4各自独立地选自：H ，F，Cl，Br和C 1 -C 6烷基，至少C 6芳基，至少C 3环烷基和任选被至少一个F，Cl或Br取代的C 6 -C 15烷基芳基，其中式（I）含有至少一个 F和至少一个Cl或Br，条件是如果任何R是Br，则化合物不具有氢。 工作流体在兰金循环系统中有用，可有效地将工业过程产生的废热（如燃料电池的发电）转化为机械能或进一步电力。 本发明的工作流体也可用于采用其它热能转换过程和循环的设备中。

    Chloro- and bromo-fluoro olefin compounds useful as organic rankine cycle working fluids
    8.
    发明授权
    Chloro- and bromo-fluoro olefin compounds useful as organic rankine cycle working fluids 有权
    氯代和溴代氟代烯烃化合物可用作有机有机酸循环工作液

    公开(公告)号：US08820079B2

    公开(公告)日：2014-09-02

    申请号：US12630647

    申请日：2009-12-03

    申请人： Gary Zyhowski ,  Ryan J. Hulse ,  Haridasan K. Nair ,  David Nalewajek ,  Rajiv R. Singh

    发明人： Gary Zyhowski ,  Ryan J. Hulse ,  Haridasan K. Nair ,  David Nalewajek ,  Rajiv R. Singh

    IPC分类号： F01K25/08 ,  C09K5/04 ,  F25B25/00

    CPC分类号： C09K5/048 ,  C07B2200/09 ,  C07C21/18 ,  C09K5/045 ,  C09K2205/126 ,  F01K25/06 ,  F01K25/08

    摘要： Aspects of the present invention are directed to working fluids and their use in processes wherein the working fluids comprise compounds having the structure of formula (I): wherein R1, R2, R3, and R4 are each independently selected from the group consisting of: H, F, Cl, Br, and C1-C6 alkyl, at least C6 aryl, at least C3 cycloalkyl, and C6-C15 alkylaryl optionally substituted with at least one F, Cl, or Br, wherein formula (I) contains at least one F and at least one Cl or Br, provided that if any R is Br, then the compound does not have hydrogen. The working fluids are useful in Rankine cycle systems for efficiently converting waste heat generated from industrial processes, such as electric power generation from fuel cells, into mechanical energy or further to electric power. The working fluids of the invention are also useful in equipment employing other thermal energy conversion processes and cycles.

    摘要翻译： 本发明的方面涉及工作流体及其在工作流体中的用途，其中工作流体包含具有式（I）结构的化合物：其中R 1，R 2，R 3和R 4各自独立地选自：H ，F，Cl，Br和C 1 -C 6烷基，至少C 6芳基，至少C 3环烷基和任选被至少一个F，Cl或Br取代的C 6 -C 15烷基芳基，其中式（I）含有至少一个 F和至少一个Cl或Br，条件是如果任何R是Br，则化合物不具有氢。 工作流体在兰金循环系统中有用，可有效地将工业过程产生的废热（如燃料电池的发电）转化为机械能或进一步电力。 本发明的工作流体也可用于采用其它热能转换过程和循环的设备中。