Abstract: Disclosed herein a suspension system includes a damper in which a piston valve is movably provided in a chamber inside a cylinder; and an actuator coupled to a side portion of the cylinder to communicate with the chamber inside the cylinder; wherein the actuator comprises a rotating body in which a rotational drive shaft coupled to a center thereof, the rotating body configured to be rotated by working fluid transmitted from the chamber during a stroke of the piston valve; a centrifugal valve coupled to the rotational drive shaft in front of the rotating body, the centrifugal valve rotating together with the rotating body and varying an area of a flow path hole through which the working fluid passes according to a rotational speed of the rotating body; and a generator combined motor in which the rotational drive shaft is rotatably arranged at a rear of the rotating body, the generator combined motor configured to charge by generating electric energy through the rotation of the rotational drive shaft.

Abstract: Device for securing an orientation of photovoltaic panels includes a stem for supporting an array assembly of photovoltaic panels for producing an electrical current when exposed to sunlight. The array assembly also includes eye blades positioned on a side opposite to a photovoltaic panel carrying side. The device further includes a joint interconnecting the stem and the eye blades of the array assembly. The joint includes a hollow horizontal conduit and a bolting mechanism for adjustably coupling the eye blades to lateral ends of the horizontal conduit. A side of each eye blade facing the horizontal conduit carries an eye blade gear that cooperatively meshes with a conduit gear carried at or near a lateral end of the horizontal conduit to secure the array assembly at a predetermined angle relative to a longitudinal axis passing through the stem.

Abstract: A gear assembly wherein transmission efficiency is enhanced by a simple treatment is provided. The gear assembly includes a plurality of gears to transmit torque of a prime mover to an output member. Tooth surfaces of a first gear rotated at a highest speed are individually finished into a plateau surface, and a parameter representing a surface roughness of each of the plateau surface is smaller than those of the tooth surfaces of the other gears.

Abstract: The invention concerns a method for operating a gear pump, in particular for delivering engine oil in an oil circuit of a vehicle, wherein a delivery device is provided with at least two gear wheels, in particular with external toothing or configured as spur gears and arranged in a housing, wherein by means of the gear wheels a fluid to be conveyed can be delivered starting from at least one housing inlet through to at least one housing outlet, and wherein the gear wheels are arranged behind each other viewed in the axial direction (x). According to the invention, an adjustment device is provided, by means of which the gear wheels can be twisted and/or displaced relative to each other depending on the pressure conditions inside the housing, in particular depending on the vacuum pressure at the housing inlet and/or depending on the fluid back-pressure at the housing outlet.

Abstract: An apparatus (100) for automated capping and de-capping of test tubes (112) having an ejector pin (230) system for individualized cap (113) ejection.

Abstract: A compact gear motor pump assembly is disclosed. The gear motor pump assembly includes a motor driving a gear train and an output shaft in a first direction and a second direction, creating a pumping action. The present gear motor pump assembly offers an efficient and quiet operation through incorporation of springs within the assembly. The present assembly is designed for use with devices, specifically medical devices requiring a pumping action, for example, breast pumps.

Abstract: A hydrostatic transmission which utilizes a combination of a multiple planetary gear pump and a multiple planetary gear motor encased within one compact unit sealed so as to direct passage of hydraulic fluid between the combination thereof. The hydrostatic transmission comprises a power component provided with a plurality of planetary gears that can provide power to at least one load delivered by at least one of the plurality of planetary gears. The power component is configured with an integrated oil-switching mechanism that controls the rotational speed delivered to the load. The hydrostatic transmission is provided in one compact, sealed casing suitable for use in vehicles, having an output shaft optionally mechanically connected directly to the wheels of a vehicle drive. The inventive hydrostatic transmission operates without the need for lengthy pressure hoses and related connectors and fittings for cycling hydraulic fluid along needed flow paths.

Abstract: Various packaging designs for placement of a magnetic torque sensor at the output shaft of a front wheel drive transmission are provided. One design provides for mounting a sensor on a chain drive sprocket or integrating a sensor into a modified sprocket bearing mount. Another design provides for mounting a sensor at the grounded ring gear of a final planetary drive. Another design provides for mounting a sensor at the differential housing. Another design provides for mounting a sensor at the output planetary carrier hub/park gear. Another design provides for mounting a sensor at a multi-piece transfer gear face.

Abstract: A winch drum tension isolation system includes a winch drum including an outwardly extending flange, the flange including a plurality of holes spaced along the flange. The winch drum tension isolation system also includes a locking mechanism positioned proximate the winch drum and including a locking member engageable with the flange. The locking member is movable between a first position, in which the locking member is received in one of the plurality of holes to prevent rotation of the winch drum, and a second position, in which the locking member is spaced apart from the flange to permit rotation of the winch drum.

Abstract: A hydraulic shaft coupling apparatus transfers power from a rotating drive shaft to a driven load shaft, where the apparatus has a self-contained internal fluid flow path having a fluid control valve that controls the flow of hydraulic fluid through the flow path to allow fluid flow when there is a substantial difference between drive shaft and driven shaft rotational speeds, and to gradually restrict the fluid flow as the difference between drive shaft and driven shaft speeds decrease to the point where fluid flow through the fluid passage is substantially stopped by the control valve resulting in the one-to-one transfer of rotational power from the drive shaft to the driven shaft.

Abstract: A pump-priming device configured to fit within the pump inlet circuit formed in the valve body of an automatic transmission is disclosed. The present pump priming device comprises a fluid-conducting structure having a fluid inlet and a fluid outlet, which is fabricated from sheet metal or flexible tubing and is designed to be installed within the original equipment manufacture valve body as a drop-in-place component. The present pump priming device diverts the flow of automatic transmission fluid (i.e. regulator exhaust fluid) released by the pressure regulator valve, which under normal operating conditions would flow from the pressure regulator valve back to the sump, and to redirect such flow of regulator exhaust fluid back to the pump inlet. Such redirection of regulator exhaust fluid pressurizes the pump inlet circuit and raises the output of the pump to provide adequate transmission fluid flow within the hydraulic system at low engine speeds.

Abstract: In one form, the present teachings provide a power transmission device that includes a rotatable input shaft, a rotatable output shaft and a ring gear fixed for rotation with the input shaft. A carrier is fixed for rotation with the output shaft. A pump assembly includes an inner rotor supported for rotation on the carrier and an outer rotor encompassing the inner rotor. The outer rotor is in driving meshed engagement with the ring gear. The pump provides pressurized fluid to one of first and second fluid ports. A flow restrictor is moveable to selectively restrict fluid flow relative to one of the first and second ports. In another form, the present teachings provide a power transmission device with a ring gear and a carrier assembly that are coupled to first and second rotary members, respectively. The carrier assembly includes pump assemblies, each of which having a rotor pin, an inner rotor rotatably received on the rotor pin, and an outer rotor that is rotatably received over the inner rotor.

Abstract: An appliance set comprising an appliance for receiving a rotational drive at an input shaft; an internal combustion engine having a crankshaft and an oil pump having at least one gear driven from the crankshaft; and a coupling that mechanically couples the input shaft to the said gear whereby the appliance can be driven from the gear of the oil pump.

Abstract: A fluid clutch disposed between a first shaft and a second shaft which are arranged on the same axis, includes a casing drive-coupled to the first shaft, a gear pump disposed in the casing and drive-coupled to the second shaft an intake passage formed in the casing and in the second shaft an communicating with an intake port of the gear pump, an exhaust passage formed in the casing and in the second shaft and communicating with an exhaust port of the gear pump, and a control valve disposed in the second shaft to control a communication area between the intake passage and the exhaust passage.

Abstract: The present invention relates to axle and intermediate differential mechanisms applicable in vehicles. The inventive differential distributes the torque to the driven shafts automatically and in proportion to the loadings without mounting of any additional control means and actuating means. The proposed construction includes two hydraulic volumetric clutches having a common drive part, in which the driven parts with immovably connected driven shafts are placed. Each of the hydraulic clutches has its own loop of circulating channels, which are separated by means of a common gate unit, containing a cylindrical gate with two openings. Two guide channels connect the discharged sides of the circulating channels, the suction sides of which being connected to volumetric compensators. The gate blocks hydraulically both clutches when the loads on the driven shafts are equal, and releases the less loaded shaft in case of breaking the balance proportionally to the loading.

Abstract: A fluid clutch disposed between a first shaft and a second shaft which are arranged on the same axis, comprising a casing drive-coupled to the first shaft, a gear pump disposed in the casing and is drive-coupled to the second shaft, an intake passage formed in the casing and in the second shaft, and is communicated with an intake port of the gear pump, an exhaust passage formed in the casing and in the second shaft, and is communicated with an exhaust port of the gear pump, and a control valve disposed in the second shaft to control the communication area between the intake passage and the exhaust passage.

Abstract: A gear pump mechanism shown in a variety of applications to control rotational output. Control of the output from the gear pump and feed to the gear pump of hydraulic fluid or oil can be controlled to establish conditions from free wheeling to fully locked. The gear pump includes a sun gear and planetary gears. The sun gear is attached to an output shaft while the planetary gears are rotatably mounted to the pump housing. Through rotation of the housing and control of the flow through the gear pump, relative rotation of the output shaft can be determined. Applications of rotational output control systems using the gear pump mechanism provide adjustable torque limiters, variable rate clutches, differentials, brakes, CVT transmissions, four wheel drive systems and forward and reverse variable rate clutches with no gear backlash.

Abstract: A gear pump mechanism shown in a variety of applications to control rotational output. Control of the output from the gear pump and feed to the gear pump of hydraulic fluid or oil can be controlled to establish conditions from free wheeling to fully locked. The gear pump includes a sun gear and planetary gears. The sun gear is attached to an output shaft while the planetary gears are rotatably mounted to the pump housing. Through rotation of the housing and control of the flow through the gear pump, relative rotation of the output shaft can be determined. Applications of rotational output control systems using the gear pump mechanism provide adjustable torque limiters, variable rate clutches, differentials, brakes, CVT transmissions, four wheel drive systems and forward and reverse variable rate clutches with no gear backlash.

Abstract: Volumetric coupling (38) having multiple hydraulic pumps, controlled by a ring (40) which links the discharge side directly to the suction side for each pump when the coupling is uncoupled, and seals the discharge side when the coupling is coupled.

Abstract: A high efficiency transmission having infinitely variable positive gear ratios in forward and reverse directions is disclosed. The preferred embodiment of the transmission comprises a driven housing, an output shaft, a control shaft, a plurality of internal gears and collars constituting an infinitely variable displacement fluid escape system, and a plurality of gears constituting a fixed displacement fluid gear pump.

Abstract: A fluid clutch comprising a driving section, a rotational shaft rotated by the driving section, a driving disk driven rotationally by the rotational shaft, a casing containing the disk and rotatable around the rotational shaft as a center, a partitioning member disposed in the casing for dividing the inside of the casing into a torque transmission chamber and an oil reservoir in which an oil is supplied from the oil reservoir to the torque transmission chamber thereby transmitting the torque from the driving disk to the casing, wherein the fluid clutch comprises a pump mechanism that rotates due to a difference between the number of rotations of the rotational shaft and the number of rotation of the casing, a first flow channel for sucking the oil in the torque transmission chamber by the pump mechanism and a second flow channel for sending the oil pressurized by the pump mechanism into the oil reservoir, a valve member for opening and closing a supply aperture formed in the partitioning member for causing th

Abstract: A hydraulic braking system for a rail car is provided. The system includes a hydraulic pump or motor adapted to engage a rail car axle or wheel. When rotating, the axle or wheel drives the hydraulic pump causing a hydraulic fluid to circulate. By restricting the flow of fluid to the pump, a braking force can be applied to the axle for slowing and stopping the rail car. Various programmable electronic controls can be added to the braking system for allowing control at a central location.

Abstract: A coupling for transmitting torque between a driving part and a driven part has a hydraulic displacement system which includes a housing having an internally trochoidal shape and a rotor having an externally trochoidal shape. A displacer having a trochoidal shape is positioned between the housing and the rotor. Chamber regions created between the rotor and displacer and displacer and housing are connected by throttle openings in the displacer. An extra trochoidal tooth is provided on the trochoidal face of the housing casing relative to the displacer and on the displacer relative to the rotor.

Abstract: A device for damping torsional vibration of a drive shaft with a liquid damping medium including a primary gear connected to the drive shaft. A secondary gear supports a series of planetary gears in meshed connection with the primary gear. The revolving primary gear and the planetary gears form a gear pump for closed circulation of the liquid damping medium through pressure ducts. The device further includes a control device for controlling the flow rate of the liquid damping medium based on the rotational speed of the primary gear.

Abstract: A system for effecting the braking of a vehicle. The system is intended to be used with a vehicle which has an axle coaxial with a wheel engaging the surface over which the vehicle travels and which is rotatable with that wheel. The braking system includes a closed hydraulic circuit and a pump in the circuit which has an impeller rotatable by the axle as the vehicle moves over the surface. The invention includes structure for selectively, and sequentially, increasing the restriction of flow through the hydraulic circuit so that, as flow is restricted, a back-pressure is induced in the pump to apply a drag to the axle in a measure commensurate to the amount the flow is restricted.

Abstract: Disclosed is a hydraulic clutch mounted between a power source and an output shaft.

Abstract: A non-step transmission comprises a housing for storing hydraulic fluid therein, a driving shaft rotatably provided in the housing, a driven shaft rotatably provided in the housing in a coaxial position with the driving shaft, a first pump case rotatably provided about the driving shaft and having a fluid intake port and a fluid discharge port, a second pump case fixed on the housing, the second pump case encasing the driven shaft and having a fluid intake port and a fluid discharge port, an opening and closing mechanism for opening and closing the fluid intake port and the fluid discharge port, and gear pump mechanisms provided within the first and second pump cases, respectively. The simply constructed non-stage transmission can efficiently transmit a large torque from the driving shaft to the driven shaft.

Abstract: A device for changing the flow rate of a liquid damping medium is a torsional vibration damper. This damper has a rotating cylindrical damper housing, connected between a drive shaft and a power takeoff shaft. Pinions are surface-mounted in a planetary fashion without axle journals between the axial faceplates of a gear pump in recesses in the pump interior. The pinions are engaged with a central gear seated on the power takeoff shaft or on drive shaft, which form gear pumps for closed circulation of the damping medium.

Abstract: A constant speed drive differential assembly (10) has an input end plate (11), a rotatable housing (17), and an output end plate (18). A gear motor (12) comprising meshing spur gears (13, 14) mounted on shafts (15, 16) are arranged in the housing (17). A driving gear (20) is fixed to one of the shafts (15 or 16) and meshes with an ouput gear (21) fixed to a cover plate (19) which is rotatable with respect to the housing (17) as a result of differential over-or-under-rotation effected by the spur gears (13, 14). A governor/speed controlled valve (28) external of the housing (17) connects a fluid source from an external pump (27) to one side (40) or the other side (41) of the meshing spur gears (13, 14) in response to an overspeed or underspeed condition of the input speed transmitted to the assembly (10).

Abstract: Procedure and device for converting the torque acting on the shaft when energy quanti are transferred from the input shaft, driven by the engine, to the output shaft, driving the load, in the form of impulses the number of which in time unit is proportional to the difference between the revolution speeds of the input shaft and the output shaft. The input shaft, driven by the engine, disengages itself repeatedly from the middle shaft, when the motional speed of the moving parts of the engine and the quantity of the motional energy based on it grows, which growth of the motional energy will be converted as impulses into potential energy, which in form of the torsional force of the spring, located between the middle shaft and the output shaft, maintains on the output shaft a torque required by the loading.

Abstract: An infinitely variable high efficiency drive mechanism that can act as a transmission or as a coupling between a prime mover and the reducing gears of a standard or automatic transmission, replacing a clutch or torque converter as a means of power transmission. This mechanism includes a hydraulic pump with a self-contained valve that keeps high pressure oil flow to a minimal distance. It can regulate shaft output torque ratio from zero (neutral) to 1:1 in locked position with minimal efficiency losses.

Abstract: A hydraulic transmission device comprises a rotatable casing secured at one end by a first flange to an input shaft and at the other end to a second flange which supports an output shaft. Drive is transmitted by fluid introduced into an area between the outwardly directed contoured teeth extending around the periphery of a rotor, eccentrically mounted on said first flange for rotation therewith, and the inwardly directed contoured teeth extending around the periphery of an annular ring secured to said output shaft, the diameter of the rotor being smaller than the internal diameter of the annular ring thereby allowing the respective teeth of the rotor and the ring to mesh during rotation of the input shaft.

Abstract: The object of the invention is to provide an automatic clutch control system for coupling two rotating shafts. The system comprises a piston axially movable towards an engaged position to provide the axial clamping of at least one friction disc forming part of a hydraulically controlled clutch mounted between two shafts. A control member responsive to the difference in speed between the shafts moves the piston towards its engaged position and is advantageously constituted by a lobed pump having a central pinion, an inner crown, eccentric relative to the pinion, and an outer crown centered relative to the pinion. The pinion is fixed for rotation on one of the shafts while the outer crown is integral in rotation with the other of the shafts.

Abstract: In a drive coupling unit suitable for use in an four-wheel drive unit for motor vehicles of the type wherein a torque is transmitted via a fluid pressure produced depending on a difference in rotational speed between two rotating shafts, each working fluid supply passage and a corresponding check valve disposed therein are arranged to interconnect one of two intake/discharge ports in each respective pump chamber with a tank in which a working fluid is retained. With this construction, an improved response characteristic of the check valves and a substantial reduction of the overall size of the drive coupling unit can be attained.

Abstract: There is provided a device for use with a rotary vibration damper, particularly in a piston engine, which varies the flow volume rate of a liquid damping medium. Spur gears are supported in a planetary gear type system in the cylindrical casing of the damper, the spur gears being connected to one of the engine drive shaft or the damper output shaft. The spur gears form a gear pump for a closed circuit of the damping medium and mesh with a central spur gear mounted on the other one of the engine drive or the damper output shaft. A reservoir chamber for the damping medium is provided in the conveying conduit on the pressure side having an elastically variable volume. A piston valve is provided in the conveying conduit on the pressure side which is controlled as a function of the engine speed or revolutions wherein the piston, by its axial position, is adapted to vary the cross section of the conveying conduit and thereby serve as a throttle member.

Abstract: A hydraulic clutch device which uses a gear pump design as its main element which, in effect, has nowhere to pump.Its center gear is driven by the input shaft while its housing unit can also rotate and comprises the output shaft.The center gear meshes with two outer gears and also slides axially so that the amount of its teeth that mesh with the outside gears can be varied. The axial movement of the center gear being achieved with hydraulic pressures and vacuums supplied from within the clutch itself and controlled by a central control slide valve which runs through the center of the input shaft and is controlled by a manually operated lever attached to the supporting framework and coupled to the slide valve with a throwout bearing device.By moving the center gear over so that it fully meshes with the outer gears the clutch is engaged, and by moving the center gear over the other way so that only a small portion of it meshes with the outside gears the clutch is disengaged.

Abstract: The drive device consists of a rotating casing containing a fluid and carrying internally in an idle manner a sun gear and a pair of respective planet gears which mesh with the sun gear and define a gear pump therewith; the fluid is contained in an inner reservoir of the casing, and this latter is provided, in correspondence with the meshing zones between the planet gears and sun gear, with respective intake chambers connected to the reservoir and with delivery chambers closed by automatic valves which are kept closed by the preloading of a spring against a ball and arranged to open at a predetermined pressure in order to connect the delivery chambers to the reservoir. A pneumatic device also controls a respective shut-off valve in order to connect the delivery chambers to the reservoir independently of the opening of the automatic valves.

Abstract: A hydrostatic clutch of the type in which an input shaft has a casing in which a positive displacement gear pump is received and an output shaft is connected to the gear pump. According to the invention the gear pump includes a gear pump body provided with intake and pressure passages, the body being limitedly rotatable in the casing so that upon reversal of the rotation of the input shaft, the passages of the body will switch over as to communication with openings of the casing and thereby reverse the pump.

Abstract: A hydrostatic coupling with a housing fastened on a first coupling shaft. Several gears which operate as geared pumps are contained in recesses of the housing and are arranged in a planetary manner about a gear fastened on a second coupling shaft as a sun gear. The sun gear fastened on the second coupling shaft forms a geared pump with each of the planetary gears driven by the sun gear. The sun gear as well as the planetary gears on the one hand engage against the smooth inner housing wall, and on the other hand engage against a sealing plate which is axially externally adjustable against spring force. This sealing plate, according to axial adjustment, entirely or partially closes the circulation passages of the geared pumps.

Abstract: A pressurized fluid-operated power transmission device, is typically shown being shaft driven from an automotive engine as the drive for the compressor of a cooler and a fan is provided with a centrifugal governor and valving for limiting output rotational speed of the power transmission device. In one embodiment a noise-preventing back-flow check valve is provided.

Abstract: A fluid braked planetary transmission is disclosed as including a driven sun gear and a plurality of meshing planet pinions carried in a housing and adapted to act as positive displacement pumps, all but one of the pinions also being adapted to act as positive displacement motors. The pump outlets are restricted by an automatic valve to resist rotation of the pinions whereby the housing is rotated, with controlled slippage, by rotation of the sun gear. Pressurized fluid is recirculated to the pinions acting as motors to recoup hydraulic energy which would otherwise be lost.

Abstract: An automatic torque regulator couples a motor to a load and automatically and continuously varies the torque delivered to the load to avoid large and sudden loading of the motor as can occur during start-up and shutdown. This regulator solves the problems associated with prior art regulators by being operable over a range of rotational speeds and by being adjustable in said range of rotational speeds without having to stop said regulator.

Abstract: A fluid clutch of the type having an eccentric pump mechanism comprises a valve sleeve which is slidably movable in an annular chamber in the impeller head and an axial fluid passage between the valve sleeve and the cylindrical shaft mounting member connected to the impeller head for providing fluid communication from the annular chamber to without the clutch housing to enable displacement of fluid during movement of the valve sleeve.

Abstract: The present invention is drawn to a fluid gear coupling in which the lock up RPM between the drive member or power input shaft and the driven member or power output shaft is variable depending on the torque or power applied to the drive member or power input shaft. The present invention employs valves on the drive member which close off the exit ports of a pump disposed between the drive member and the driven member which are responsive to both pressure and centrifugal force. In the preferred embodiment of the present invention, check valves are provided in the main inlet ports of the pump along with auxiliary inlet ports so as to brake the device and prevent freewheeling upon deceleration.

Abstract: An apparatus is provided which is adapted to deliver or absorb variable amounts of torque or to deliver variable quantities of an incompressible fluid at a predetermined pressure. The device comprises a positive displacement pump capable of pumping a compressible fluid, an incompressible fluid or a mixture of a compressible fluid and an incompressible fluid together with appropriate pressure control and flow control mechanisms, check valve mechanisms and interconnecting duct means.

Abstract: A power transmission providing cushioned shock-absorption power flow from a rive member to a driven member. The transmission includes a gear pump wherein both the gear and gear housing are free to rotate; the transmission also includes a recirculation flow path from the pump outlet to the pump inlet, said flow path comprising a metering valve that responds to pump outlet chamber pressure for progressively throttling the flow as the outlet chamber pressure rises. As the recirculation flow is throttled the pump gear and pump housing gradually lock together and thereafter rotate at approximately the same speed.

Abstract: A hydraulic power transmission of the hydrostatic type comprising a planetary network of rotary gear pumps employing a centrosymmetric internal valve control of pump fluid through the driving shaft, sun gear, and driven shaft, with external cooling of the pump fluid. A secondary hydraulic control means is incorporated to operate the internal control valve with all hydrostatic pressures confined within the pump system.

Abstract: A rotary displacement mechanical coupling device having a casing containing a first and second axially aligned chamber, said chambers having a partition therebetween. A hub is rotatably mounted through the partition and extending into both of the first and second chambers. A plurality of outer gear teeth are circumferentially spaced around the outer periphery of the first chamber. A crescent is attached to the hub means in the first chamber and has an outer radius substantially identical with the inner radius of the outer gear teeth. A pinion gear has a plurality of teeth on its periphery and has a radius substantially less than the inner radius of the outer gear teeth, is journaled on the hub so that the pinion gear teeth engage at least a portion of the outer gear teeth. The inner radius of the crescent is adjusted to have substantially the same radius as the radius of the periphery of the teeth around the pinion gear.