The present invention relates to a power control method and terminal device for a hydraulic hybrid vehicle, and a storage medium. The method includes: S1: predicting, according to environmental information of a road ahead, recoverable energy in the road ahead; S2: calculating, according to the…
A drive train arrangement includes an internal combustion engine with at least one cylinder having a combustion gas inlet, and an exhaust outlet; an exhaust gas pump having a pump inlet coupled to the exhaust outlet, and a pump outlet coupled to a vehicle air tank and to the combustion gas inlet. A…
Braking method of an agricultural or work vehicle equipped with a hydraulic transmission (HY) wherein a hydraulic pump (HP) is driven by a prime mover (E) to power a hydraulic motor (HM), wherein the hydraulic motor is operationally connected to at least one vehicle wheel (W), the hydraulic pump…
A hydraulic regenerative braking system is provided for using hydraulic fluid to capture energy from a vehicle during a braking event. The system captures kinetic energy from a shaft of the vehicle and stores the kinetic energy as hydraulic potential energy. That is, the system captures rotational…
Systems and apparatuses are disclosed that include a plurality of hydraulic vaned devices arranged in-line with one another such as along a drive line of a vehicle. Various system operation modes achieved by such devices in the in-line arrangement are also disclosed.
Disclosed and described herein are embodiments of a system that compresses a hydraulic fluid, which is used to perform work.
Method for controlling and/or regulating a powertrain (1) for a motor vehicle with the steps: introducing a hydraulic fluid into at least one pressure accumulator (27), so that a gas volume in the pressure accumulator (27) is reduced and the actual temperature and the actual pressure of the gas are…
A control unit has a connection determining unit and a motor switch control unit. The connection determining unit determines whether assistance from a third motor is required or not. The third motor is set to a connected state when the connection determining unit determines that assistance from the…
A work vehicle and a method of controlling the work vehicle are provided, whereby a braking performance equivalent to that of a conventional torque converter type work vehicle can be exerted when an operator switches between forward movement and rearward movement in a power transmission of an HMT…
The shuttle action evaluating unit determines that the vehicle is in a shuttle action when the direction relative to the position of the forward/reverse travel operating member differs from the travel direction of the vehicle. The target input shaft torque determination unit determines a target…
The invention relates to a mobile hydraulic construction machine, in particular a hydraulic excavator, with an internal combustion engine and a hydraulic system driven by means of the internal combustion engine, wherein the hydraulic system comprises at least one hydraulic pressure accumulator from…
A drive system, in particular for a self-propelled construction machine, in particular soil compactor, comprises a drive unit (26) comprising an internal combustion engine, at least one hydraulic circuit (30, 34) with a hydraulic pump (32, 36) that can be driven by the drive unit (26), and a…
The invention mainly relates to a method for assisting the starting of a hybrid pneumatic engine comprising a thermal engine (10) and a pneumatic reservoir (11) communicating with cylinders (12) of said thermal engine (10) by means of pneumatic valves (13), said method comprising the step of…
A drive system (10), in particular for a self-propelled construction machine, in particular soil compactor, comprising a drive unit (26), at least one hydraulic circuit (30, 34) with a hydraulic pump (32, 36) drivable by the drive unit (22), and a hydraulic drive assistance unit (38) with a…
A drive system (10), in particular for a self-propelled construction machine, in particular soil compactor, comprises a drive unit (26), at least one hydraulic circuit (30, 34) with a hydraulic pump (32, 36) drivable by the drive unit (26), and a hydraulic drive assist unit (38) with a hydraulic…
In a hydraulic circuit (30) for a vehicle including an EHPS system (10) and a hydraulic pressure supply system (20), the hydraulic pressure supply system (20) includes a cylinder (32) configured to store second hydraulic pressure (P2) while a vehicle 1 is traveling and supply the stored second…
A hybrid drive vehicle control method for a hybrid drive vehicle which includes a prime mover, drive wheels, a hybrid mechanism having an energy storage device, an electrical controller, and a mechanical gear set mechanically connecting the prime mover, the drive wheels and the hybrid mechanism. A…
The invention relates to a hydrostatic drive (2) configured as an adjustable machine with an adjustable displacement volume and operatively connected to an internal combustion engine (3), wherein the drive (2) in pump operation draws pressure medium from a container (9) via a suction side (S) and…
In a hybrid drive system (A) for a work vehicle (F) with a mechanical drive train between an internal combustion engine (5) and a drive axle (2) as well as a parallel hydraulic hybrid module (H), which has a hydraulic unit (11) operable as a motor or pump, connected via a clutch (10) to the…
The device (30) has an actuator mechanism for actuating a non-return valve (32) between a blocking position (32a) in which a compound of a suction side (S) is closed with a container (9) in a flow direction of the suction side and an open position in which the suction side is opened with the…
When the total value of demanded hydraulic power and demanded traveling power is larger than the sum of the engine power that can be output by an engine (1) and of the discharge power that can be discharged by an electrical storage device (3), the actual power of a hydraulic pump (9) is increased…
The train (1) has a working hydraulic system (4) comprising a hydraulic pump (7) that is propelled by an internal combustion engine (2). A feed pump (20) is propelled by the combustion engine for supplying a feed circuit (23). The feed pump is operated as a pump and a motor. The feed pump is…
The hydrostatic engine (7) has a hydraulic starter configured for starting an internal combustion engine (2). The displacement volume of the engine is adjusted by volume positioning device (50) connected to an adjusting device (52). The volume positioning device configured to provide maximum…
The powertrain (1) has drive unit (3) that drives combustion engine (2) which drives work hydraulic system (4) and hydraulic pump (7). The engine driven hydraulic pump is used as pump and motor to perform sucking operation of pressure medium from container (9), and leads to hydraulic system guided…
The circuit has a secondary line (13) connecting an accumulator (11) to a hydraulic unit (1). A primary distributor (15) selectively connects the hydraulic unit to the accumulator or reservoir (R). The secondary line comprises a secondary distributor (16) alternating between a first configuration…
A method of controlling a drive system (14) includes receiving a machine travel speed request, and determining an output speed of a variator (28), associated with the drive system (14), required to satisfy the travel speed request at a current power source speed. The method also includes…
The system (1) has a pneumatic energy storage system (4) that includes a starting tank (8) and a main container (9). The starting tank and the main container are mounted in series with each other. The starting tank is interposed between the main container and an internal combustion engine (2) of…
A power transmission apparatus is provided that can achieve the enhancement of fuel consumption, the reduction of noise, and the improvement of heat balance performance and achieve the improvement of energy efficiency. The power transmission apparatus includes a battery 60, a motor generator 50…
A hydraulic pump/motor (110) having: a hydraulic chamber (112); a primary piston (114) for reciprocation in the hydraulic chamber and mechanically coupled to a connect rod; a slave piston (116) for reciprocation in the hydraulic chamber; a inlet/outlet port (119) for admitting and expelling…
An electro-hydraulic drive system for a work machine which drives an upper rotary body (16) by controlling a flow rate of a hydraulic fluid by a control valve (6), comprises an electro-hydraulic pump (3) including a hydraulic pump (4) driven by an engine (2), and a first electric motor (5), and an…