Achates Power, Inc.

Tour Engine, Inc.

Phase Metrics, Inc.

Driscol, Paul K.

Wahl, Michael

Dority, John B.

Michael H Wahl

James U Lemke

Patrick T Lee

Fabien G Redon

Oded Tour

Eric P Dion

Gilad Tour

Ehud Sivan

Benjamin Hugo Tour

Ronald J Hoffman

Ryan G Mackenzie

Kevin B Fuqua

Gerhard Regner

Clark A Klyza

William B McHargue

Brendan M Lenski

Iain J L Read

Huixian Shen

Kenneth H Womack

Hugo Benjamin Tour

Gordon E Rado

Jin Dai

Tristan M Burton

Gordon Rado

Louis F Medeiros

L Allan Butler

Todd R Rose

John B Dority

Yehoram Hofman

Amit Helfand

Todd Rose

Samuel B Shueh

Patrick R Lee

Paul K Driscol

Eric Dion

Patrick Lee

Louis Medeiros

William B Mchargue

A split-cycle engine includes: a compression chamber, housing a first piston, that induces and compresses working fluid; an expansion chamber, housing a second piston, that expands and exhausts the working fluid; and a transfer chamber, housing a third piston and a fourth piston, wherein the third piston and the fourth piston move relatively to vary a volume within the transfer chamber and to selectively fluidly couple the volume within the transfer chamber to the compression chamber and the expansion chamber. A method of operating an engine includes: inducing working fluid in a first chamber; compressing the working fluid in the first chamber; moving a first moveable boundary of a second chamber; moving a second moveable boundary of the second chamber; expanding the working fluid in the third chamber; and exhausting the working fluid from the third chamber.

Transfer mechanism for a split-cycle engine

A split-cycle engine includes: a first cylinder housing a first piston, wherein the first piston performs an intake stroke and a compression stroke, but does not perform an exhaust stroke; a second cylinder housing a second piston, wherein the second piston performs an expansion stroke and an exhaust stroke, but does not perform an intake stroke; and a valve chamber housing a valve, the valve comprising an internal chamber that selectively fluidly couples to the first and second cylinders, wherein the valve and internal chamber move within the valve chamber and relative to the first and second cylinders.

Spool shuttle crossover valve and combustion chamber in split-cycle engine

An engine includes a compression chamber that intakes and compresses working fluid; an expansion chamber that expands and exhausts working fluid; and a transfer chamber that receives working fluid from the compression chamber and transfers working fluid to the expansion chamber, wherein an internal volume of the transfer chamber decreases during the transfer of working fluid.

Variable volume transfer shuttle capsule and valve mechanism

A two-stroke, opposed-piston engine with one or more ported cylinders and uniflow scavenging includes an exhaust gas recirculation (EGR) construction that provides a portion of the exhaust gasses produced by the engine for mixture with charge air to control the production of NOx during combustion.

EGR constructions for opposed-piston engines

A piston construction with an end surface is equipped with a pattern of insulating cavities embedded in an upper end of the piston, between the end surface and interior portions of the piston that are cooled by circulating liquid coolant.

Constructions for piston thermal management

A combustion chamber for an opposed-piston engine includes a squish zone defined between circumferential peripheral areas of opposing end surfaces of the pistons, a cavity defined by one or more bowls in the end surfaces, and at least one injection port that extends radially through the squish zone into the cavity. The cavity has a cross-sectional shape that imposes a tumbling motion on air flowing from the squish zone into the cavity.

Combustion chamber constructions for opposed-piston engines

Spool shuttle crossover valve in split-cycle engine

A rocking journal bearing for a two-stroke cycle engine includes a bearing sleeve having a bearing surface with a plurality of axially-spaced, eccentrically-disposed surface segments and a rocking journal having a plurality of axially-spaced, eccentrically-disposed journal segments. The rocking journal is retained for rocking oscillation on the bearing surface. Space for receiving oil is provided in the rocking journal and oil delivery outlets acting through the journal segments deliver received oil to the bearing surfaces.

Rocking journal bearings for two-stroke cycle engines

A combustion chamber for an opposed-piston engine includes a squish zone defined between circumferential peripheral areas of opposing end surfaces of the pistons, a cavity defined by one or more bowls in the end surfaces, and at least one injection port that extends radially through the squish zone into the cavity. The cavity has a cross-sectional shape that imposes a tumbling motion on air flowing from the squish zone into the cavity. Opposing spray patterns of fuel are injected into the combustion chamber. In some aspects, the opposing spray patterns are injected along a major axis of the combustion chamber.

Fuel injection spray patterns for opposed-piston engines

Integrated, multi-cylinder opposed engine constructions include a unitary support structure to which cylinder liners are removeably mounted and sealed and on which crankshafts are rotatably supported. The engine constructions include a cooled piston with a resiliently deformable joint connecting crown and skirt and a cooled cylinder liner with wipers to manage lubricant in the cylindrical interstice between the cylinder bore and the piston skirts.

Cylinder and piston assemblies for opposed piston engines

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Bonita, CA, United States of America

Michael H Wahl