公开(公告)号：WO2019160537A1

公开(公告)日：2019-08-22

申请号：PCT/US2018/018102

申请日：2018-02-14

Applicant: DRESSER-RAND COMPANY

Inventor： DELMOTTE, Scott J. ,  BISSELL, Daniel ,  YONKER, Gregory W.

IPC: F04B35/04

Abstract: A linear motor for moving a piston rod of a reciprocating compressor. The motor includes a guidance assembly having a moveable secondary carrier that is attached to the piston rod. The motor also includes at least one permanent magnet attached to the secondary carrier and at least one primary winding attached to the guidance assembly. In addition, the motor includes a controller that controls power supplied to the primary winding to generate a magnetic field that interacts with a magnetic field generated by the permanent magnet to provide a force that moves the permanent magnet, the secondary carrier and the piston rod in a reciprocating linear motion.

公开(公告)号：WO2015147924A1

公开(公告)日：2015-10-01

申请号：PCT/US2014/070737

申请日：2014-12-17

Applicant: DRESSER-RAND COMPANY ,  OHART, Daniel L. ,  YONKER, Gregory W. ,  KERTH, Jason M.

Inventor： OHART, Daniel L. ,  YONKER, Gregory W.

IPC: F25J3/00

CPC classification number: F25J1/0022 ,  F25J1/0037 ,  F25J1/0045 ,  F25J1/0052 ,  F25J1/0208 ,  F25J1/0227 ,  F25J1/0238 ,  F25J1/0242 ,  F25J1/0284 ,  F25J1/0288 ,  F25J1/0292 ,  F25J3/0209 ,  F25J3/0233 ,  F25J3/0238 ,  F25J2200/02 ,  F25J2200/72 ,  F25J2205/04 ,  F25J2205/50 ,  F25J2205/60 ,  F25J2210/06 ,  F25J2215/04 ,  F25J2220/64 ,  F25J2220/66 ,  F25J2260/20 ,  F25J2270/02 ,  F25J2270/04 ,  F25J2270/08 ,  F25J2270/88 ,  F25J2270/906

Abstract: A method for producing liquefied natural gas (LNG) and separating natural gas liquids (NGLs) from the LNG is provided. The method may include compressing natural gas to compressed natural gas, removing a non-hydrocarbon from the compressed natural gas, and cooling the compressed natural gas to a cooled, compressed natural gas. The method may also include expanding a first portion and a second portion of the cooled, compressed natural gas in a first expansion element and a second expansion element to generate a first refrigeration stream and a second refrigeration stream, respectively. The method may further include separating a third portion of the cooled, compressed natural gas into a methane lean natural gas fraction containing the NGLs and a methane rich natural gas fraction. The methane rich natural gas fraction may be cooled in a liquefaction assembly with the first and second refrigeration streams to thereby produce the LNG.

Abstract translation: 提供了一种从LNG生产液化天然气（LNG）和分离天然气液体（NGL）的方法。 该方法可以包括将天然气压缩成压缩天然气，从压缩的天然气中除去非烃，并将压缩的天然气冷却成冷却的压缩天然气。 该方法还可以包括在第一膨胀元件和第二膨胀元件中膨胀冷却的压缩天然气的第一部分和第二部分，以分别产生第一制冷流和第二制冷流。 该方法还可以包括将冷却的压缩天然气的第三部分分离成含有NGL的甲烷贫天然气馏分和富含甲烷的天然气馏分。 富含甲烷的天然气馏分可以在具有第一和第二制冷流的液化组件中冷却，从而产生LNG。

公开(公告)号：WO2016081204A1

公开(公告)日：2016-05-26

申请号：PCT/US2015/059385

申请日：2015-11-06

Applicant: DRESSER-RAND COMPANY ,  OHART, Daniel L. ,  YONKER, Gregory W. ,  KERTH, Jason

Inventor： OHART, Daniel L. ,  YONKER, Gregory W. ,  KERTH, Jason

IPC: F25J1/00 ,  F25J3/02 ,  F17C7/00 ,  F25B1/053 ,  F25B9/06 ,  F25B41/06

CPC classification number: F25J1/0022 ,  F25J1/004 ,  F25J1/0045 ,  F25J1/005 ,  F25J1/0052 ,  F25J1/0087 ,  F25J1/0208 ,  F25J1/0227 ,  F25J1/023 ,  F25J1/0264 ,  F25J1/0265 ,  F25J1/0268 ,  F25J1/0284 ,  F25J1/0288 ,  F25J2210/06 ,  F25J2230/30 ,  F25J2270/12 ,  F25J2270/60 ,  F25J2270/90 ,  F25J2270/906

Abstract: A system and method for producing liquefied natural gas from a natural gas source is provided. The method may include feeding natural gas provided by the natural gas source to a liquefaction module. The method may also include flowing the natural gas through a product stream of the liquefaction module. The method may further include flowing a process fluid through a liquefaction stream of the liquefaction module to cool at least a portion of the natural gas flowing through the product stream to produce the liquefied natural gas.

Abstract translation: 提供了一种从天然气源生产液化天然气的系统和方法。 该方法可以包括将由天然气源提供的天然气馈送到液化模块。 该方法还可以包括使天然气流过液化模块的产物流。 该方法还可以包括使工艺流体流动通过液化模块的液化流以冷却流过产物流的天然气的至少一部分以产生液化的天然气。

公开(公告)号：WO2015116313A1

公开(公告)日：2015-08-06

申请号：PCT/US2014/069727

申请日：2014-12-11

Applicant: DRESSER-RAND COMPANY ,  OHART, Daniel L. ,  YONKER, Gregory W.

Inventor： OHART, Daniel L. ,  YONKER, Gregory W.

IPC: C10L3/08 ,  F25J3/00

CPC classification number: F25J1/0022 ,  F25J1/0037 ,  F25J1/0045 ,  F25J1/0052 ,  F25J1/0208 ,  F25J1/0227 ,  F25J1/0242 ,  F25J1/0284 ,  F25J1/0288 ,  F25J1/0292 ,  F25J2205/60 ,  F25J2220/66 ,  F25J2270/906 ,  H02K7/1815

Abstract: A system and method for producing liquefied natural gas are provided. The method may include compressing a process stream containing natural gas in a compression assembly to produce a compressed process stream. The method may also include removing non-hydrocarbons from the compressed process stream in a separator, and cooling the compressed process stream with a cooling assembly to thereby produce a cooled, compressed process stream containing natural gas in a supercritical state. The method may further include expanding a first portion and a second portion of the natural gas from the cooled, compressed process stream in a first expansion element and a second expansion element to generate a first refrigeration stream and a second refrigeration stream, respectively. The method may further include cooling the natural gas in the cooled, compressed process stream to a supercritical state with the first and second refrigeration streams thereby produce the liquefied natural gas.

Abstract translation: 提供了一种用于生产液化天然气的系统和方法。 该方法可以包括在压缩组件中压缩含有天然气的工艺流以产生压缩工艺流。 该方法还可以包括在分离器中从压缩的工艺流中除去非烃，并用冷却组件冷却压缩的工艺流，从而产生包含处于超临界状态的天然气的冷却压缩的工艺物流。 该方法还可以包括在第一膨胀元件和第二膨胀元件中分别从冷却的压缩的工艺流中膨胀天然气的第一部分和第二部分，以分别产生第一制冷流和第二制冷流。 该方法还可以包括将冷却的压缩过程流中的天然气冷却至超临界状态，同时第一和第二制冷流由此产生液化的天然气。