Abstract: An actuator for use with an external controller, either alone or in a group including other actuators controlled from the same external controller. The actuator includes a housing for encasing internal components of the device; a motor assembly for creating motion, the motor assembly being disposed within the housing; and a drive assembly for driving a pushrod, the drive assembly being arranged within the housing and slidingly connected to the motor assembly. A remote control communication circuit is electrically connected to the motor. The actuator includes an in line planetary gear and a linear position sensor. The actuator may include a hand held remote controller which utilizes tilt for proportional control, and a distributed network.

Abstract: A speed converter converting infinitely variable reciprocating input to uni-directional output, for example, comprising a driver, the driver comprising a variable pitch cam and a rack gear and one-way clutch bearings or Sprags and output shaft, the driver having an oblong shape may be converted to provide direction control in either of two directions and free-wheeling. The one-way clutch bearings or Sprags of a first Goldfinch speed converter are modified to comprise, concentric with the output shaft, a permanent magnet imbedded in a driven gear and direction controlling stator coils. A plurality of four (or more) electrical pulses (sine curves) may be applied to the stator coils to provide three possible outputs of desired speed: a forward output direction, a neutral or free-wheeling output and a reverse output direction.

Abstract: A system includes a computer including a processor and a memory, the memory storing instructions executable by the processor to plan a plurality of vehicle speeds for an upcoming road segment, adjust one or more of the planned speeds based on a predicted torque loss including a penalty based on a predicted torque impeller speed, and actuate a propulsion according to the planned speeds to lock a torque converter clutch.

Abstract: Disclosed is a power train including a drive shaft of a working machine, a drive machine and a differential gear with three drives or power take-offs, wherein one power take-off can be connected to the drive shaft, a first drive can be connected to the drive machine and a second drive can be connected to the differential gear. One drive can be connected simultaneously to the other drive or to the power take-off.

Abstract: A vehicle clutch apparatus, including first, second rotating shaft and a rotating member rotatable around an axis line, a first clutch connecting/disconnecting the first rotating shaft and the rotating member, a second clutch connecting/disconnecting the rotating member and the second rotating shaft, a case member having a non-rotating shaft member extending around the axis line, wherein a clutch hub of the first, second clutch has first, second rotating shaft member integrally rotatably connected to the first, second rotating shaft, a clutch drum of the first, second clutch is integrally rotatably connected to the rotating member and has a third rotating shaft member, and bearings are provided between the second rotating shaft and the non-rotating shaft member, between the second rotating shaft and the first rotating shaft member, and between the second rotating shaft member and the third rotating shaft member.

Abstract: A working machine including a working assembly that can be driven by an engine, with the engine being connectable to the working assembly via a power branching transmission including a first mechanical power branch and a second electric or hydraulic power branch, the first and second power branches being combined by a summation transmission that can be coupled to the working assembly on the output side and provides a variable transmission ratio between the first mechanical power branch and the working assembly that can be adjusted by the rotational speed of the second electric or hydraulic power branch. A blocking device is provided for blocking the variability of the transmission ratio that can be adjusted between the first mechanical power branch and the output side of the summation transmission by the rotational speed of the second electric or hydraulic power branch.

Abstract: A device lubricates elements of an accessory drive system of an aircraft. The device includes a pinion having a pinion shank that is hollow and that has an axis of rotation, a shaft arranged inside the pinion shank and extending along the axis of rotation, a space between the shaft and the pinion shank allowing displacement of oil, an oil reservoir arranged facing the space, at a first end of the pinion shank, and an oil outlet duct arranged facing the space, at a second end of the pinion shank. The pinion shank and the shaft together form a pump and cooperate to drive the oil from the reservoir toward the oil outlet duct thanks to the rotation of the pinion shank around the shaft.

Abstract: Thermal management systems for vehicle engines which include hybrid fan drives with viscous clutches and electronic motors, particularly brushless DC motors (BLDC). One embodiment incorporates a pulley driven, electronically controlled viscous clutch mechanism and an internal rotor BLDC motor. Another embodiment includes an engine crank mounted electronically controlled viscous clutch mechanism with a tethered electric motor, particularly a BLDC motor. A further embodiment is an engine block mounted electronically controlled viscous clutch mechanism with an integrated external rotor BLDC motor.

Abstract: A method and system improving energy efficiency of a turbojet engine by optimizing rotating speed of a fan and operability of an engine, by freeing the fan from exclusive control of a low-pressure (LP) shaft by providing combined control with a high-pressure (HP) shaft when cruising power has been reached. The turbojet engine include at least one LP turbine and one HP turbine coupled to coaxial LP shafts and HP shafts, respectively, which can drive LP and HP compressors, respectively. The LP compressors include a fan that forms a first primary air-intake compression stage. The LP and HP shafts are mounted on one of two driving mechanisms, an inner ring gear, and a planet carrier for a planetary gear train for driving the fan, the HP shaft being mounted on a disengagement mechanism and the fan being coupled to the planetary gear train via an outer driven ring gear.

Abstract: A clutch assembly includes first, second and third clutches, a housing including a first projection to which the first clutch selectively produces a connection, a second projection to which the second and third clutches selectively produce connections, clutch-apply circuits each circuit corresponding to one of the clutches, and a balance volume circuit for supplying fluid to each of the clutches, and a shaft rotatably supporting the housing.

Abstract: An automatic transmission pump assembly includes a torque converter housing and pinion that rotate about a first axis, an idler engaged with the pinion, a gear engaged with the idler, shaft secured to the gear, and a pump rotor secured to the shaft and that rotates about a second axis offset from the first axis.

Abstract: A drive unit with a planetary gear mechanism includes a stationary housing. A drive motor is eccentrically positioned on an end face of the stationary housing. A preliminary gear stage of the drive unit includes (i) an externally toothed spur gear shaft operatively connected to an output shaft of the drive motor, and (ii) an internally toothed gear that is operatively connected to the spur gear shaft, and that is coaxial with and is further operatively connected to a sun gear shaft. A hub housing is mounted on the stationary housing by at least two bearings, and has at least one integrated internal gear. At least two planetary stages are positioned downstream of the sun gear shaft, and are configured to transmit converted torque of the drive motor to the hub housing via the at least one integrated internal gear.

Abstract: A controller is provided for varying gear ratios in a transmission system including at least one planetary gear train disposed within a housing. The controller includes a ratio control gear set, a ratio control pump, and a relief valve. The ratio control gear set includes a sun gear, a planet carrier, and a ring gear. The planet carrier is configured to rotatably connect to an output shaft of an engine. The ring gear is configured to mesh with a sun gear of the planetary gear train. The ratio control pump includes a body configured to rigidly connect to the housing, and a rotor rigidly coupled to the sun gear of the ratio control gear set. The rotor is configured to co-act with the body to pump fluid. The relief valve is configured to restrict fluid egress from the ratio control pump.

Abstract: System comprising an epicyclic arrangement. In some embodiments, the epicyclic arrangement can comprise: a first input element; a second input element fixed to an input drive shaft; a geared carrier that includes at least a portion that is disposed axially between the first and second input elements, the geared carrier being engaged with an output member; and planets associated with the geared carrier. Some embodiments of the present systems comprise a housing in which the epicyclic arrangement is disposed; and/or fluid contained within the housing.

Abstract: A drive system having an integrated transmission and motor/generator unit for a wind turbine includes a transmission output shaft designed as a hollow shaft, which receives a sun shaft of an output-side planetary gear stage and is connected thereto. The transmission output shaft comprises a transmission-side end section of an insert shaft which is concentrically arranged within a rotor hollow shaft. The transmission output shaft additionally has a bearing for receiving radial and axial forces. The motor/generator unit has two dedicated bearings. One bearing thereof is a transmission-side bearing. In addition, a rear-side generator bearing is provided.

Abstract: A controller is provided for varying gear ratios in a transmission system including at least one planetary gear train disposed within a housing. The controller includes a ratio control gear set, a ratio control pump, and a relief valve. The ratio control gear set includes a sun gear, a planet carrier, and a ring gear. The planet carrier is configured to rotatably connect to an output shaft of an engine. The ring gear is configured to mesh with a sun gear of the planetary gear train. The ratio control pump includes a body configured to rigidly connect to the housing, and a rotor rigidly coupled to the sun gear of the ratio control gear set. The rotor is configured to co-act with the body to pump fluid. The relief valve is configured to restrict fluid egress from the ratio control pump.

Abstract: A run-of-the-river or ocean current turbine may comprise a hatch and a slanted block having protector ribs for directing water flow to a waterwheel. The hatch may be controlled by a plurality of Transgear™ gear assemblies for varying the amount of water flow to the waterwheel from extreme drought to flood conditions so that the waterwheel may turn at rated speeds and within a predetermined range. The Transgear gear assemblies may comprise an accumulator for accumulating a rough and a fine tuned waterwheel speed. The Transgear assemblies may comprise embodiments of power take-off switches for, for example, bi-directional or clockwise and counterclockwise waterwheel shaft rotation. The turbine may be aligned for top-feed, side-feed or bottom feed of water and may comprise a tail wing or first and second turbines facing in opposite directions to capture high and low tidal flow.

Abstract: A planetary transmission of a wind turbine includes a ring gear which has an internal toothing and at least one planetary gear which has an external toothing that meshes with the internal toothing of the ring gear. The planetary gear is rotatably supported on an axle by a bearing assembly. The bearing assembly includes at least one outer ring having a radially-outwardly-protruding radial projection and at least one set of rolling elements that roll on the outer ring. The planetary gear has a bore and a recess in the region of an axial end, which recess widens the bore. The outer ring is disposed in the bore of the planetary gear such that the radial projection of the outer ring engages into the recess of the planetary gear.

Abstract: A joint having two-axis construction having a distal member and a main member joined in co-linear pivotal relation that provides enhanced joint strength and compactness. Hydraulics further provide variable extension assist and an infinite number of flexion stops for controlled flexion flow, and two gears provide a functional gear ratio that also promotes compact construction by reducing the amount of hydraulic piston travel required for maximum joint extension. A drive gear associated with the main member is positioned between the distal end of the piston and a transfer gear partially press-fit into a cut-out in the distal member, to provide needed radial hydraulic force transfer. Although it is contemplated for joint use to be primarily in orthotic devices that assist the movement of an inadequately functioning body limb, any application for which the mechanical joint's compact configuration would provide assistance or technical advantage is considered to be within its scope.

Abstract: An apparatus for connection to a transmission actuator of an engine transmission includes sensors for sensing transmission shifting positions of a shifting device. An interface transfers the evaluation signals of the sensors to the control electronics of the transmission actuator. The sensors are arranged such that their spacing from the interface (2) is smaller than the spacing between the interface and the sensed shifting device.

Abstract: In one example embodiment, a fluid transfer coupling arrangement includes a hollow shaft that is arranged in a housing and rotatable about an axis. The hollow shaft is provided by a wall having radially spaced interior and exterior surfaces. A first passage extends through the wall and is configured to communicate fluid between the interior and exterior surfaces. A fluid coupling is located mid-shaft, sealed about the exterior surface, and aligns to the first passage. The fluid coupling provides a second passage that is in fluid communication with the first passage. The fluid coupling includes a locating feature configured to permit radial movement of the fluid coupling relative to the housing and allowing the fluid coupling to track subtle shaft movements.

Abstract: A continuously variable transmission includes a variator unit having a variator input shaft and a variator output shaft, and first, second and third planetary gear sets. The first and second planetary gear sets are arranged together and each includes a first member operatively connected to a common transmission input shaft and a second member operatively connected to a common output shaft, each of the first and second planetary gear sets further including a third member. The third planetary gear set has a first, second and third member. The variator input shaft is operatively connected to the third member of the second planetary gear set and the variator output shaft is operatively connected to the third member of the first planetary gear set. The first member of the third planetary gear set is operatively connected to the variator output shaft.

Abstract: System comprising an epicyclic arrangement. In some embodiments, the epicyclic arrangement can comprise: a first input element; a second input element fixed to an input drive shaft; a carrier that includes at least a portion that is disposed axially between the first and second input elements, the carrier being connected to an output member; and planets associated with the carrier. Some embodiments of the present systems comprise a housing in which the epicyclic arrangement is disposed; and/or fluid contained within the housing.

Abstract: A distributed hybrid drive train for a wind turbine is disclosed. The drive train may include a first stage chain drive adapted to receive mechanical energy from a main shaft of a wind turbine and a second stage gearbox adapted to receive rotational mechanical energy from the first stage chain drive and transmitting the rotational mechanical energy to one or more generators of the wind turbine.

Abstract: A fluid driven rotary prime mover assembly including a turbine, a first generator, a second generator and a speed increaser is provided. The gear assembly includes a first epicyclic and a second epicyclic. The first epicyclic includes a first carrier rotationally connected to the turbine, a first sun rotationally connected to the first generator, a first annulus, and a first planet in meshing engagement with the first sun and the first annulus. The second epicyclic includes a second carrier rotationally grounded, a second sun rotationally connected to the second generator, a second annulus connected to the first annulus, and a second planet in meshing engagement with the second sun and the second annulus.

Abstract: A drive unit comprises an output shaft, two or more hydraulic motors, each hydraulic motor being adapted to drive the output shaft, and hydraulic fluid distribution means for supplying relatively high pressure hydraulic fluid to the drive motors and for removing relatively low pressure hydraulic fluid from the drive motors. The hydraulic fluid distribution means comprises a hydraulic fluid inlet for connecting to a hydraulic line to provide relatively high pressure hydraulic fluid to the two or more hydraulic motors and a hydraulic fluid outlet for removing relatively low pressure hydraulic fluid from the two or more hydraulic motors.

Abstract: A power transmission device constructed in accordance to one example of the present teachings includes a torque transfer device and a differential. The torque transfer device includes a housing. The torque transfer device selectively communicates rotatable motion from an input member to an output member. A frictional clutch is disposed in the housing that actuates to selectively transfer torque between the input member and the output member. A first and a second axle shaft selectively drives a first and a second drive wheel, respectively. The differential selectively transfers drive torque from the output member to at least one of the first and second axle shafts. A fluid distribution system distributes a common fluid for actuating the frictional clutch and for lubricating select components of the differential.

Abstract: An automatic transmission having an improved lock up torque converter configuration includes two drive members: a first quill or tubular drive member which carries the output of the torque converter to the transmission gearbox and a second co-axial shaft or drive member which is driven by the torque converter lockup clutch and thus directly carries the engine output to the transmission gear box and bypasses the torque converter. The transmission gearbox includes two planetary gear assemblies having certain elements which are selectively grounded to the transmission housing by two friction brakes. This transmission, torque converter and torque converter clutch configuration prevents torque converter clutch engagement in its lower gear and forces torque converter clutch lockup in its upper gear.

Abstract: A carrier assembly includes a first plate, a second plate spaced from the first plate and formed with a cylinder, pinions supported on the first and second plates; and a piston located in the cylinder for displacement along an axis of the cylinder.

Abstract: A transmission includes a case containing a torque converter that includes a stator, a gearset including a carrier, a second gearset, friction elements for controlling operation of the second gearset, and a support secured against rotation, including passages that communicate hydraulic fluid and pressure to the control elements and torque converter.

Abstract: A solenoid valve device that includes a solenoid valve; a drive circuit that drives the solenoid section; a current sensor that detects a current applied to the solenoid section; and a control unit that controls, when the solenoid valve is served as the pressure control valve, the drive circuit by performing a feedback control based on the current detected by the current sensor so that a current in accordance with an output pressure command is applied to the solenoid section, and controls, when the solenoid valve is served as the solenoid pump, the drive circuit without performing the feedback control so that a pump current is applied to the solenoid section.

Abstract: A speed changing mechanism includes a pump (1) including a liquid suction channel (6), a liquid drainage channel (8) and working components (3, 4) moving relatively to each other forming working volumes. A relative movement of the working component leads to a periodic increase and decrease of the working volume, so that the fluid is sucked through the liquid suction channel and discharged through the liquid drainage channel, and the pressure energy discharging the fluid is increased by the excursion of the working components. A part of working components is connected to an input component, another part of working components are connected to an output component. The movement of the part of working components relative to another part of working components is changed by changing the flow rate of the pump. Therefore, the speed changing mechanism can realize the switch-on/off of power transmission and change the transmitted power.

Abstract: An assembly selectively disconnecting a road wheel from a power source, includes a differential mechanism transmitting rotating power between the power source and an output shaft, a halfshaft, and a disconnect mechanism releasably secured mechanically to the differential mechanism and alternately opening and closing a drive connection between the output shaft and the halfshaft.

Abstract: The present invention relates to a device for a transmission, comprising a summing planetary gear set (17) and a variator unit (13) and components that bring them into operative connection with each other and with an input shaft (1) and output shaft (3, 8) for influencing the output speed in a continuously variable manner at constant input speed. The device can be installed as a prefabricated module between an internal combustion engine and a conventional transmission of any configuration and is also suitable for splitting the drive power of an internal combustion engine among a vehicle drive and one or several power take-offs, with the speed of the vehicle drive and/or the speed of the power take-off being adjustable in a continuously variable manner by the device. The device is also suitable for retrofitting existing motor vehicles.

Abstract: A gearbox for a wind turbine, comprising a first planetary gear set; and a second planetary gear set having the same transmission ratio as the first planetary gear set; and, a load splitter to split the torque between the first planetary gear set and the second planetary gear set, wherein the load splitter is adapted to provide slip for absorbing deviations in the rotational position between the first planetary gear set and the second planetary gear set; and, wherein the first planetary gear set and the second planetary gear set are coupled in a split load arrangement for transmitting torque from a rotor shaft to a high speed shaft.

Abstract: A system and method for providing a constant output from a variable flow input comprises a liquid flow energy input, for example, air or water for driving a constant speed generator. An inner and outer cam assembly is controlled by a control input to achieve varying eccentricity and control the output speed at an output shaft to be constant despite a varying rotational velocity input at an input shaft. A feedback control may be provided between one of the input shaft and the output shaft and the inner and outer cam assembly to maintain constant output by varying the eccentricity. The constant output may drive a constant speed generator having an infinitely variable torque generator. In this manner, a power grid may be provided with constant frequency alternating current at, for example, 50 Hz (Europe) or 60 Hz (USA).

Abstract: A method for controlling a hydraulic flow within a powertrain comprising an electromechanical transmission mechanically-operatively coupled to an engine adapted to selectively transmit power to an output, wherein the transmission utilizes a hydraulic control system serving a number of hydraulic oil consuming functions includes monitoring minimum hydraulic pressure requirements for each of the functions, determining a requested hydraulic pressure based upon the monitoring minimum hydraulic pressure requirements and physical limits of the hydraulic control system including a maximum pressure, determining a desired flow utilizing a hydraulic control system flow model based upon the requested hydraulic pressure, and utilizing the desired flow to control an auxiliary hydraulic pump.

Abstract: A fluid rotation drive, in particular for cleaning apparatus, having at least one drive wheel, in particular a turbine wheel or bucket wheel, which can be directly set into rotation about a drive axis by the action of a supplied fluid, in particular supplied in jet form; having at least one planetary transmission, with a sun gear of the planetary transmission being connected to the drive wheel; and having a housing which includes the drive wheel and the planetary transmission and which has at least one inlet for the fluid supplied for acting on the drive wheel, with a first ring region for the fluid being defined by the drive wheel and the housing and a second ring region for the fluid being defined by a toothed arrangement of an annulus gear of the planetary transmission, and with the first ring region and the second ring region being arranged in direct spatial proximity to one another.

Abstract: Various power transmission and generation systems and assemblies are provided for a wind turbine. In one embodiment, a power generation system is provided including a transmission having an input axially aligned with an output, the input configured to receive rotary motion generated by a wind driven rotor head, the input located downwind of the output, an electromagnetic apparatus having an input configured to be coupled to the transmission output, and a bearing configured to radially support both the transmission output and the electromagnetic apparatus input. In this way, a common bearing may support both the transmission and electromagnetic apparatus, allowing for a more compact and efficient design while retaining service and repair capabilities.

Abstract: A generator arrangement for a wind power plant includes a ring-shaped primary part, a ringshaped secondary part, and a planetary transmission arrangement disposed inside the primary part and the secondary part. The planetary transmission arrangement comprises an internal gear, a sun gear, and at least two planet gears. The sun gear is substantially ringshaped, having an inner wall, and outer wall, and a web connecting the inner wall and the outer wall. The internal gear is disposed between the inner wall and the outer wall of the sun gear and is supported at the outer wall of the sun gear.

Abstract: An automatic transmission control unit determines whether or not a constantly open failure, in which a switch valve cannot switch a pressure regulating valve and a second hydraulic chamber to a non-communicative state, has occurred on the basis of a parameter (an inertia phase time, for example) representing a dynamic characteristic during a shift from a first gear position to a second gear position. The determination of the constantly open failure is begun after initial variation in the parameter representing the dynamic characteristic during the shift has been eliminated through learning control in which the dynamic characteristic during the shift is caused to approach a target dynamic characteristic.

Abstract: An infinitely variable gear transmission system for vehicles includes a differential gear unit for input, a planetary gear unit, a hydraulic pump and a hydraulic motor, the hydraulic pump rotating with the first output shaft of the differential gear unit and one of the three gear, elements of the planetary gear unit, the hydraulic motor rotating with the second gear element and a control unit to selectively control the fluid pressure in the hydraulic circuit by adjusting the flow control valve, and control the speed of the third gear element in clockwise and anticlockwise direction. In another embodiment the prime mover is directly connected to one of the three gear elements of the planetary gear unit, and also connected to the second gear element through a conventional speed variator and controls the speed of the third gear element by automatically adjusting the speed variator.

Abstract: A manual valve disconnects a line pressure oil passage and an R position pressure oil passage when a selector is in a D position or an N position and causes the R position pressure oil passage and the line pressure oil passage to communicate when the selector is in an R position. A switching valve is switched to disconnect a low & reverse brake pressure oil passage and the R position pressure oil passage when the selector is in the D position or the N position and a vehicle is driving at a vehicle speed equal to or lower than a predetermined vehicle speed.

Abstract: The invention concerns a superimposed transmission for driving a rotational speed-variable work machine having the following design: an input shaft (2) is connected to an intermediate shaft (3); a pump wheel (5) of a hydrodynamic converter (6) rotates with the intermediate shaft (3); a turbine wheel (7) of the hydrodynamic converter (6) rotates with a superposition means; the intermediate shaft (3) and the transmission means are connected to an output shaft (4) by means of a differential gear (14); and the transmission means is designed as at least one coupling shaft (10), which connection the turbine wheel (7) of the hydrodynamic converter (6) to the differential gear (4). To do so, said at least one coupling shaft (10) runs parallel to the intermediate shaft (3).

Abstract: The present invention relates to a transmission unit for a vehicle driven by muscle force, comprising an input shaft which can be connected to cranks on opposite sides for driving the vehicle, comprising a first partial transmission. The first partial transmission comprises a countershaft, wherein a plurality of driving gear wheels is mounted on the input shaft, and wherein a corresponding plurality of driven gear wheels of the first partial transmission is mounted on the partial transmission shaft. The driven gear wheels of the first partial transmission are designed as idler gears that can be connected to the countershaft by means of shifting means in a rotationally rigid manner. The countershaft forms an input shaft of a second partial transmission. A plurality of second drive wheels are mounted on the output shaft, wherein the second partial transmission comprises an output shaft, on which a corresponding plurality of second driven gear wheels are mounted.

Abstract: A parallel gear unit (20) for a gearbox (30) for a wind turbine includes at least a low speed shaft (21) and a high speed shaft (22), each shaft (21, 22) having a gear (23, 25) with helical teeth, the gears (23, 25) of each shaft (21, 22) being adapted for meshing with each other. The low speed shaft (21) is rotatably supported by roller bearings (24a) and the high speed shaft (22) is rotatably supported by sliding bearings (24b). A gearbox (30) including the parallel gear unit (20) and a wind turbine including such a gearbox (30) are described.

Abstract: The invention relates to an epicyclic gear stage for a wind turbine gearbox comprising a sun gear, at least two planet gears, engaged with said sun gear, an annulus gear, and a planet carrier. Torque from the wind turbine rotor is transferred via a torque transfer part connected to said planet carrier and said torque transfer part is flexible connected to said planet carrier at one or more joints.

Abstract: A transmission (10) is disclosed for use in generating power from a fluid driven turbine such as a wind turbine (5). The transmission (10) is supported in a turbine carrier (50) and includes an input (12) and an output (20) and a gear train (14/16) between the input and the output for increasing the rotational speed of the output relative to the input. The gear train includes a plurality of gears for transmitting torque from the input to the output. The transmission includes also a generally static planet carrier (44) of an epicyclic gear stage (16), which is resiliently connected to the turbine carrier for providing a single resilient gear train torque reaction. Thus, the transmission is not restrained relative to the carrier other than in torsion and in the support of its own weight.

Abstract: A drive unit comprises an output shaft, two or more hydraulic motors, each hydraulic motor being adapted to drive the output shaft, and hydraulic fluid distribution means for supplying relatively high pressure hydraulic fluid to the drive motors and for removing relatively low pressure hydraulic fluid from the drive motors. The hydraulic fluid distribution means comprises a hydraulic fluid inlet for connecting to a hydraulic line to provide relatively high pressure hydraulic fluid to the two or more hydraulic motors and a hydraulic fluid outlet for removing relatively low pressure hydraulic fluid from the two or more hydraulic motors.

Abstract: In exemplary embodiments, a regenerative suspension system replaces or complements a standard shock absorber on a vehicle. A pump attaches via a hose to a central accumulator cylinder that is mounted on a vehicle. Pressurized fluid, air, or other material charges the accumulator. The Pressurized fluid, air, or other material is controllably released via a valve in order to perform work.