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    Detecting Moisture Proximate To Insulation
    2.
    发明申请
    Detecting Moisture Proximate To Insulation 审中-公开
    检测水分近似绝缘

    公开(公告)号：US20170045412A1

    公开(公告)日：2017-02-16

    申请号：US15183164

    申请日：2016-06-15

    申请人： William N. Yunker ,  Michael T. Matheidas

    发明人： William N. Yunker ,  Michael T. Matheidas

    IPC分类号： G01M3/18

    CPC分类号： G01M3/18

    摘要： Systems and a method for detecting potential areas of corrosion under insulation are provided. An exemplary system includes an enclosure, insulation disposed upon an outer surface of the enclosure, and a number of microelectromechanical system (MEMS) sensors. The MEMS sensors detect water proximate to the insulation.

    摘要翻译： 提供了用于检测绝缘下的腐蚀潜在区域的系统和方法。 示例性系统包括设置在外壳的外表面上的外壳，绝缘体和多个微机电系统（MEMS）传感器。 MEMS传感器检测靠近绝缘体的水。

    Natural Gas Liquefaction by a High Pressure Expansion Process using Multiple Turboexpander Compressors
    4.
    发明申请
    Natural Gas Liquefaction by a High Pressure Expansion Process using Multiple Turboexpander Compressors 审中-公开

    公开(公告)号：US20190120548A1

    公开(公告)日：2019-04-25

    申请号：US16144581

    申请日：2018-09-27

    申请人： Fritz Pierre, JR. ,  William N. Yunker ,  O. Angus Sites

    发明人： Fritz Pierre, JR. ,  William N. Yunker ,  O. Angus Sites

    IPC分类号： F25J1/00 ,  F25J1/02

    摘要： A method and system for liquefying a feed gas stream including natural gas. The feed gas stream is provided at a pressure less than 1,200 psia. A refrigerant stream having a pressure of at least 1,500 psia is cooled and then expanded in a first expander to an intermediate pressure. The first expander is mechanically coupled to a first coupled compressor to together form a first turboexpander-compressor. The refrigerant stream is expanded in a second expander, which is mechanically coupled to a second coupled compressor to together form a second turboexpander-compressor. The refrigerant stream cools the feed gas stream in one or more heat exchangers. Using the second coupled compressor and a first driven compressor, the refrigerant stream is compressed to a discharge pressure within 300 psia of the intermediate pressure. The refrigerant stream is compressed using the first coupled compressor and is further compressed to provide the refrigerant stream.