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    Cylinder for opposed-piston engines
    1.
    发明授权
    Cylinder for opposed-piston engines 有权

    公开(公告)号：US11300071B2

    公开(公告)日：2022-04-12

    申请号：US14732496

    申请日：2015-06-05

    申请人： ACHATES POWER, INC.

    发明人： Kevin B. Fuqua

    IPC分类号： F02F1/14 ,  F02F1/00 ,  F02F1/18 ,  F02B25/08 ,  F02F1/10 ,  F02B75/28 ,  F01B7/14 ,  F01P3/02

    摘要： A cylinder for opposed-piston engines includes a liner with a bore and longitudinally displaced intake and exhaust ports near respective ends thereof. An intermediate portion of the liner between the exhaust and intake ports contains a combustion chamber formed when the end surfaces of a pair of pistons disposed in opposition in the bore are in close mutual proximity. A compression sleeve encircles and reinforces the intermediate portion of the liner. An annular grid of pegs disposed between the intermediate portion and the compression sleeve supports the compression sleeve against the liner and defines a turbulent liquid flow path extending across the intermediate portion in a direction that parallels the longitudinal axis of the liner.

    Ported engine constructions with low-tension compression seals
    3.
    发明授权
    Ported engine constructions with low-tension compression seals 有权

    公开(公告)号：US10935134B2

    公开(公告)日：2021-03-02

    申请号：US16046050

    申请日：2018-07-26

    申请人： ACHATES POWER, INC.

    发明人： James U. Lemke ,  Bryant A. Wagner

    IPC分类号： F02F3/00 ,  F16J9/14 ,  F02F1/18

    摘要： In ported engine constructions, cooling of piston crowns and cylinder liners results in reduction or elimination of bore/liner distortions, thus ensuring circularity of the bore/piston interface throughout engine operation. Consequently, the need for heavily-tensioned piston rings is eliminated. Such engine constructions incorporate annular low-tension compression seals on the pistons, which substantially reduce port bridge wear during all phases of engine operation while also limiting blow-by during combustion.

    EXHAUST PLENUM CHAMBER CONSTRUCTIONS INCLUDING THERMAL BARRIER COATINGS FOR OPPOSED-PISTON ENGINES
    4.
    发明申请
    EXHAUST PLENUM CHAMBER CONSTRUCTIONS INCLUDING THERMAL BARRIER COATINGS FOR OPPOSED-PISTON ENGINES 审中-公开

    公开(公告)号：US20200182114A1

    公开(公告)日：2020-06-11

    申请号：US16782918

    申请日：2020-02-05

    申请人： ACHATES POWER, INC.

    发明人： JOHN KOSZEWNIK

    IPC分类号： F01N3/04 ,  F01B7/02

    摘要： An exhaust plenum chamber with a thermal barrier coating for an opposed-piston engine reduces heat rejection to coolant, while increasing exhaust temperatures, fuel efficiency, and quicker exhaust after-treatment light-off. The exhaust plenum chamber can include a coating on the inside surface of the chamber. Posts which are structural and provide cooling channels or passageways can be present in the exhaust plenum chamber and coated with the thermal barrier coating material.

    CYLINDER BORE SURFACE STRUCTURES FOR AN OPPOSED-PISTON ENGINE
    5.
    发明申请
    CYLINDER BORE SURFACE STRUCTURES FOR AN OPPOSED-PISTON ENGINE 审中-公开

    公开(公告)号：US20200018166A1

    公开(公告)日：2020-01-16

    申请号：US16556028

    申请日：2019-08-29

    申请人： ACHATES POWER, INC.

    发明人： FABIEN G. REDON

    IPC分类号： F01B7/14 ,  F02F1/00 ,  F16C29/02

    摘要： A cylinder for an internal combustion opposed-piston engine includes a bore, either as part of the cylinder directly or of a liner. The bore has a surface for guiding a pair of pistons disposed for opposing movement in the cylinder. The cylinder bore has three zones of surface finishes: an inner zone extending between and including exhaust and intake ports, where only piston compression rings travel on the bore surface; two instances of an outer zone where only piston oil control rings travel on the bore surface; and two instances of a port zone where both types of rings travel on overlapping paths in the same bore surface portion. Each zone may have a particular surface finish that is tailored to specific requirements including oil control, ring wear, and scuff resistance relevant to the zone.

    Hybrid opposed-piston engine system
    10.
    发明授权
    Hybrid opposed-piston engine system 有权

    公开(公告)号：US10329996B2

    公开(公告)日：2019-06-25

    申请号：US15830972

    申请日：2017-12-04

    申请人： ACHATES POWER, INC.

    发明人： John J. Koszewnik

    IPC分类号： F02B25/08 ,  F02B11/02 ,  F02B75/28 ,  F02B21/00 ,  B60K6/12 ,  F02B29/00 ,  F04B3/00 ,  F01B7/14

    摘要： An opposed-piston engine system equipped for full hybrid compressed-air/combustion includes capacity for storing air compressed by the engine during a combustion mode of operation. The hybrid opposed-piston engine system includes a control mechanization for operating the opposed-piston engine in a combustion mode by provision of fuel, in a compressed-air mode by provision of stored compressed air, and in a combustion mode supplemented by provision of stored compressed air. A method of operating a hybrid vehicle equipped with an opposed-piston engine includes storing air compressed by the engine during a combustion mode of operation and operating in the vehicle a compressed-air mode by provision of stored compressed air.