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Achates Power Inc patents


Recent patent applications related to Achates Power Inc. Achates Power Inc is listed as an Agent/Assignee. Note: Achates Power Inc may have other listings under different names/spellings. We're not affiliated with Achates Power Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Achates Power Inc-related inventors


On-board diagnostics for an opposed-piston engine equipped with a supercharger

On-board diagnostic monitoring of a two-stroke cycle, opposed-piston engine includes diagnostic monitoring of an air handling system equipped with a supercharger to determine whether the supercharger is functioning properly.. . ... Achates Power Inc

Mass airflow sensor monitoring using supercharger airflow characteristics in an opposed-piston engine

In an air handling system of an opposed-piston engine, mass airflow sensor operation is monitored by comparing mass airflow measured by the sensor with mass airflow through a supercharger.. . ... Achates Power Inc

Minimizing oil leakage from rocking journal bearings

A rocking journal bearing is provided in a piston coupling mechanism. The bearing includes a sleeve and a wristpin constructed with two sets of eccentrically-disposed bearing surfaces which alternate in accepting a compressive load during an operational cycle of the bearing. ... Achates Power Inc

Piston bearing assembly for an opposed-piston engine

A piston for an opposed-piston, internal combustion engine includes a crown with an end surface shaped to form a combustion chamber with an end surface of an opposing piston in the opposed-piston engine, a skirt part including a piston sidewall extending from the crown to an open end of the skirt part, a wristpin bore with first and second openings through the sidewall, a wristpin disposed in the wristpin bore, and at least two caps received in the first and second openings of the wristpin bore for sealing the wristpin bore and retaining the wristpin against axial movement.. . ... Achates Power Inc

Hybrid opposed-piston engine system

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. ... Achates Power Inc

Cylinder liner for an opposed-piston engine

A cylinder liner for an opposed-piston engine, and corresponding methods of extending engine durability and thermal management therewith, has opposite ends and a bore with a longitudinal axis for supporting reciprocating movement of a pair of opposed pistons. An intermediate portion of the liner extends between the opposite ends and includes an annular liner portion within which the pistons reach respective tc locations. ... Achates Power Inc

Skewed combustion chamber for opposed-piston engines

A combustion chamber for an opposed-piston engine has a rotationally skewed shape in a longitudinal section that is orthogonal to a chamber centerline, between diametrically-opposed openings of the combustion chamber through which fuel is injected. The rotationally skewed shape interacts with swirl to generate a tumble bulk charge air motion structure that increases turbulence.. ... Achates Power Inc

Port edge shape with continuous curvature for improved ring-port interaction and flow area

A port opening edge shape for a port in a cylinder of an opposed-piston combustion engine is optimized for flow area, as well as for minimization of piston ring clipping. The port opening edge shape includes a top edge, a bottom edge, a first and second side edge connecting the top and bottom edge, and an apex in the top edge. A port opening edge shape for a port in a cylinder of an opposed-piston combustion engine is optimized for flow area, as well as for minimization of piston ring clipping. The port opening edge shape includes a top edge, a bottom edge, a first and second side edge connecting the top and bottom edge, and an apex in the top edge. ... Achates Power Inc

Piston cooling for opposed-piston engine

Pistons for opposed-piston engines include an interior annular cooling gallery. The gallery is provided with inlet and drain passageways constructed to shield a jet of liquid coolant entering the gallery, thereby reducing interference between the incoming jet and liquid coolant circulating in the gallery.. ... Achates Power Inc

Gear backlash control for an opposed-piston engine

An opposed-piston engine includes a backlash reducing gear with at least a first and second gear that move relative to each other because of a hydraulic pressure applied within the gear. A backlash control system that includes the backlash reducing gear can dynamically adjust backlash between at least two gears in the gear train of the engine during operation of the engine instead of setting backlash prior to operation of the engine. ... Achates Power Inc

Open exhaust chamber constructions for opposed-piston engines

A configuration for a uniflow-scavenged, opposed-piston engine reduces exhaust cross-talk caused by mass flow between cylinders resulting from one cylinder having an open exhaust port during scavenging and/or charging while an adjacent cylinder is undergoing blowdown. Some configurations include a wall or other barrier feature between cylinders that are adjacent to each other and fire one after the other. ... Achates Power Inc

Piston cooling for opposed-piston engines

Pistons for opposed-piston engines include an interior annular cooling gallery. The gallery is provided with inlet and drain passageways constructed to shield a jet of liquid coolant entering the gallery, thereby reducing interference between the incoming jet and liquid coolant circulating in the gallery.. ... Achates Power Inc

Barrier ring and assembly for a cylinder of an opposed-piston engine

A barrier ring for a cylinder assembly for an opposed-piston engine fits into a groove fashioned into a portion of the cylinder liner that is adjacent to the top dead center location of the end surfaces of the pistons, in a volume of the cylinder liner that defines the combustion chamber. The barrier ring and groove are part of a barrier assembly that prevents heat generated during combustion from reaching the outer wall of the cylinder assembly, reducing the need for conventional cooling systems and increasing the amount of heat retained in the combustion chamber. ... Achates Power Inc

Multi-layered piston crown for opposed-piston engines

A piston crown for a piston of a pair of pistons in a two-stroke, opposed-piston, compression ignition combustion engine has a barrier layer and a conductive layer. The barrier layer at least partially surrounds a combustion chamber formed by the piston crown and an end surface of an opposing piston. ... Achates Power Inc

07/20/17 / #20170204801

Control of airflow in a uniflow-scavanged, two-stroke cycle, opposed-piston engine during transient operation

Control of airflow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine during transient operation includes monitoring at least one operating parameter of the engine to recognize a transition to a transient state of engine operation. If a transient state of operation is detected, fuel injection and airflow into to the cylinders of the engine are controlled to optimize combustion and limit emissions. ... Achates Power Inc

07/20/17 / #20170204790

Fuel limiter for a uniflow-scavanged, two-stroke cycle, opposed-piston engine

Control of fuel flow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine includes limiting an amount of torque or fuel in response to a torque demand, based upon a comparison and a selection of fuel delivery options derived from a global airflow parameter and/or a trapped airflow parameter.. . ... Achates Power Inc

07/13/17 / #20170198632

Fuel injection strategies in opposed-piston engines with multiple fuel injectors

In an opposed-piston engine, two or more fuel injectors are mounted to a cylinder for direct side injection into the cylinder. The injectors are controlled so as to inject either a single fuel pulse or a plurality of fuel pulses per cycle of engine operation in order to initiate combustion during varying engine speeds and operating conditions.. ... Achates Power Inc

06/15/17 / #20170167531

Minimizing oil leakage from rocking journal bearings

A rocking journal bearing is provided in a piston coupling mechanism. The bearing includes a sleeve and a wristpin constructed with two sets of eccentrically-disposed bearing surfaces which alternate in accepting a compressive load during an operational cycle of the bearing. ... Achates Power Inc

05/04/17 / #20170122185

Compact ported cylinder construction for an opposed-piston engine

A compact construction for an opposed-piston engine includes a cylinder liner with longitudinally-spaced exhaust and intake ports in which the exhaust port has inner and outer edges presenting a port height that causes the exhaust port to be fully open before a piston associated with the exhaust port reaches bottom dead center during an expansion stroke and the end surface of the associated piston to be spaced outwardly of the outer edge when the piston is at bottom dead center.. . ... Achates Power Inc

03/16/17 / #20170074315

Minimizing oil leakage from rocking journal bearings of two-stroke cycle engines

A rocking journal bearing is provided in a piston coupling mechanism of a two-stroke cycle engine. The bearing includes a sleeve and a wristpin constructed with two sets of eccentrically-disposed bearing surfaces which alternate in accepting a compressive load during an operational cycle of the bearing. ... Achates Power Inc

03/02/17 / #20170059008

Multi-speed planetary drive for a supercharger

A multi-speed drive for a supercharger includes a planetary gear mechanism with a sun gear mechanism, a plurality of planet gears mounted on a planet carrier, and a ring gear, all mounted for rotation on a stationary shaft. A rotary-mechanical drive input is received by either the ring gear or the planetary drive, and a rotary-mechanical drive output is provided by the planetary drive when the ring gear receives the input, or by the ring gear when the planetary drive receives the input. ... Achates Power Inc

02/02/17 / #20170030262

Skewed combustion chamber for opposed-piston engines

A combustion chamber for an opposed-piston engine has a rotationally skewed shape in a longitudinal section that is orthogonal to a chamber centerline, between diametrically-opposed openings of the combustion chamber through which fuel is injected. The rotationally skewed shape interacts with swirl to generate a tumble bulk charge air motion structure that increases turbulence.. ... Achates Power Inc

01/12/17 / #20170009700

Piston thermal management in an opposed-piston engine

An opposed-piston engine includes pistons, each piston having an annular cavity in the piston's sidewall and positioned between its crown and ring grooves to block transfer of heat from the crown to the piston body.. . ... Achates Power Inc








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