The invention relates to a construction machine, road milling machine, stabiliser, recycler, surface miner, and a to method for controlling a construction machine. The construction machine has a machine frame 2 supported by a chassis 1 and a plurality of hydraulic systems 15, 16, each of which has at least one hydraulic component 18, 22, at least one hydraulic pump 17, 21 for conveying hydraulic fluid for the at least one hydraulic component and at least one hydraulic line 28, 31 for transporting the hydraulic fluid from the at least one hydraulic pump to the at least one hydraulic component. The drive device of the construction machine comprises at least one internal combustion engine 24. A power transmission device 44 is provided for transmitting at least part of the drive power from the internal combustion engine 24 to the hydraulic pumps 17, 21. The construction machine according to the invention is characterised by a hydraulic control device 26, which is assigned to two hydraulic systems 15, 16 of the plurality of hydraulic systems. The hydraulic control device 16 is designed such that, in a special operating mode, at least part of the hydraulic fluid delivered by the hydraulic pump 17 of the one hydraulic system 15 is supplied to the other hydraulic system 16.

The invention relates to a construction machine, road milling machine, stabiliser, recycler, surface miner, and a to method for controlling a construction machine. The construction machine has a machine frame 2 supported by a chassis 1 and a plurality of hydraulic systems 15, 16, each of which has at least one hydraulic component 18, 22, at least one hydraulic pump 17, 21 for conveying hydraulic fluid for the at least one hydraulic component and at least one hydraulic line 28, 31 for transporting the hydraulic fluid from the at least one hydraulic pump to the at least one hydraulic component. The drive device of the construction machine comprises at least one internal combustion engine 24. A power transmission device 44 is provided for transmitting at least part of the drive power from the internal combustion engine 24 to the hydraulic pumps 17, 21. The construction machine according to the invention is characterised by a hydraulic control device 26, which is assigned to two hydraulic systems 15, 16 of the plurality of hydraulic systems. The hydraulic control device 16 is designed such that, in a special operating mode, at least part of the hydraulic fluid delivered by the hydraulic pump 17 of the one hydraulic system 15 is supplied to the other hydraulic system 16.

A linear piston engine includes a housing having a combustion chamber located between opposing first and second piston chambers. A first piston assembly is located within the first piston chamber, and a second piston assembly is located within the second piston chamber. Each piston assembly includes a piston for reciprocating within the piston chamber. The piston is located adjacent to the combustion chamber. Each piston assembly also includes a crankshaft coupled to the piston for guiding the piston through a power stroke and a return stroke, and a linear output member coupled to the piston for providing a linear output motion based on reciprocating motion of the piston.

A system and method for determining a fluid consumption rate from a fluid tank is described. The fluid tank includes a fuel for an internal combustion engine and the internal combustion engine provides power to a powered system. The method includes determining instantaneous fluid consumption; determining an operating condition of the powered system, the powered system providing a load on the internal combustion engine; determining the load on the internal combustion engine and a state of the internal combustion engine; and calculating the fluid consumption rate based on the instantaneous fuel consumption, the load on the internal combustion engine, and the state of the internal combustion engine.

A system and method for determining a fluid consumption rate from a fluid tank is described. The fluid tank includes a fuel for an internal combustion engine and the internal combustion engine provides power to a powered system. The method includes determining instantaneous fluid consumption; determining an operating condition of the powered system, the powered system providing a load on the internal combustion engine; determining the load on the internal combustion engine and a state of the internal combustion engine; and calculating the fluid consumption rate based on the instantaneous fuel consumption, the load on the internal combustion engine, and the state of the internal combustion engine.

A system for cooling a storage area of a vehicle includes one or more eutectic plates (102) for cooling the storage area (101); a refrigeration system (103) configured to cool the one or more eutectic plates (102); an electrical system (106) configured to receive electrical power from a mains power supply and supply electrical power to the refrigeration system (103); a variable displacement hydraulic pump (113) having an input shaft for being driven by an engine (112) of the vehicle (100); and a generator (107) configured to receive hydraulic fluid from the hydraulic pump (113), generate electrical power in response thereto and supply the electrical power to the refrigeration system (103); the hydraulic pump (113) is configured to reduce the volume of hydraulic fluid that it supplies to the generator (107) for each rotation of the input shaft, as the rotational speed of the input shaft increases.

A system for cooling a storage area of a vehicle includes one or more eutectic plates (102) for cooling the storage area (101); a refrigeration system (103) configured to cool the one or more eutectic plates (102); an electrical system (106) configured to receive electrical power from a mains power supply and supply electrical power to the refrigeration system (103); a variable displacement hydraulic pump (113) having an input shaft for being driven by an engine (112) of the vehicle (100); and a generator (107) configured to receive hydraulic fluid from the hydraulic pump (113), generate electrical power in response thereto and supply the electrical power to the refrigeration system (103); the hydraulic pump (113) is configured to reduce the volume of hydraulic fluid that it supplies to the generator (107) for each rotation of the input shaft, as the rotational speed of the input shaft increases.

A method of controlling fuel delivery to an engine includes providing a fluid atomizer, a mechanically driven air compressor, a start up air source, and an air valve coupled between the mechanically driven air compressor and the start up air source, charging the start up air source, delivering compressed air from the start up air source to the fluid atomizer, providing an initial air/fluid mixture with the fluid atomizer, and operating the air valve to direct compressed air from the mechanically driven air compressor to the fluid atomizer.

A method of controlling fuel delivery to an engine includes providing a fluid atomizer, a mechanically driven air compressor, a start up air source, and an air valve coupled between the mechanically driven air compressor and the start up air source, charging the start up air source, delivering compressed air from the start up air source to the fluid atomizer, providing an initial air/fluid mixture with the fluid atomizer, and operating the air valve to direct compressed air from the mechanically driven air compressor to the fluid atomizer.

Provided is a construction machine including an exhaust-gas after-treatment device and capable of supporting the exhaust-gas after-treatment device in a limited space. The construction machine includes an upper frame, an engine mounted on the upper frame via a plurality of engine mounts, a hydraulic pump coupled to the engine, the exhaust-gas after-treatment device, and a support cradle supporting the exhaust-gas after-treatment device over the hydraulic pump. The upper frame includes a plurality of mount support portions and a leg support portion. The support cradle includes a support stage on which the exhaust-gas after-treatment device is mounted, and a plurality of legs. The plurality of mount support portions include a space-defining mount support portion defining a horizontal space against the hydraulic pump. The plurality of legs include an in-space leg extending in the space. The leg support portion is located to overlap the space in a plan view.