Abstract: Cutting elements of this invention include an ultra hard body joined with a metallic substrate. The body includes an uppermost layer comprising a plurality of bonded ultra hard crystals and interstitial regions, and that form a body working surface. The uppermost layer includes a thermally stable outer region that is substantially free of a catalyst material. The body includes an intermediate layer joined to the uppermost layer, comprising a plurality of bonded ultra hard crystals, and having a wear resistance less than that of the uppermost layer remaining region. The intermediate material can include a catalyst and other materials. The ultra hard crystals can be diamond, and the volume fraction of crystals in the uppermost layer can be greater than that in the intermediate layer. The body may additionally include a lowermost PCD layer interposed between and attached to the intermediate layer and the substrate.

Abstract: A measurement device and method that in one aspect determines and displays percentile information relating to growth indices, such as BMI, weight-for-length, and weight-for-height, based on a subject's age and gender. The device and method may also provide classification information, such as whether the percentile information is considered to be, for example, below normal, normal, above normal, or far above normal. The device and method may additionally indicate, for example, the normal range of the subject's weight based on the subject's height, the subject's height based on the subject's weight and the normal range of BMI based on the subject's age and gender. In still another aspect, the device and method may indicate predictive values of the subject's future weight, height, BMI or head circumference based on the subject's present measurement values and growth percentiles.

Abstract: Described is a multi-optic scanner that can detect and/or measure weight placed on its vertical plate. In one embodiment, a portion of the vertical plate is positioned under a portion of a horizontal plate so that a force exerted on the vertical plate is transferred, whole or in part, to the horizontal plate. In alternate embodiments, one or more sensors are coupled to the vertical plate for detecting a force on the plate. The sensors can be coupled to an alert, such as an audible signal, to warn an operator of a misread weight.

Abstract: An apparatus and method for setting a ratio of a discharge rate to a charge rate for measuring a capacitance on a sensor element of a sensing device. The apparatus may include a sensor element of a sensing device, a relaxation oscillator having a first and a second programmable current source, and a ratio decoder to receive a ratio of a discharge rate to a charge rate, and to set the first and second programmable current sources based on the received ratio.

Abstract: Systems, methods and media for determining the location of a stylus for a portable electronic device are disclosed. One embodiment provides a method for determining at a first time that a stylus was not returned to a stylus receiver of the portable electronic device and determining last usage information relating to a last usage of the stylus at a second, earlier time. The method may further include storing by the portable electronic device the determined last usage information and determining stylus location information based on the last usage information. The method may further include providing an indication of the stylus location information to a user. Stylus location information may include one or more of a physical location, a geographic location, a calendar event associated with a last usage, directions to a place of last usage, an application being used at last usage of the stylus, or a user identity.

Abstract: A vehicular wind power generation device is provided for a vehicle including a bumper facing and guiding a windward current. The device includes a wind guiding hood with a wind guiding inlet and outlet communicating therewith, a directing-rotating element disposed at the wind guiding outlet, a power generator, and a power storage unit. The windward area of the wind guiding inlet is greater than that of the wind guiding outlet. The wind guiding inlet is connected to the bumper so as to receive the windward current blowing out of the wind guiding outlet, thus allowing the directing-rotating element to receive the windward current. The power generator is connected to the directing-rotating element and the power storage unit. The directing-rotating element is rotated by the windward current blowing toward the directing-rotating element while the vehicle is in motion. Eventually, the power generator generates power for providing rechargeable power for the vehicle.

Abstract: Configurations are provided for vehicular robots or other vehicles to provide shifting of their centers of gravity for enhanced obstacle navigation. Various head and neck morphologies are provided to allow positioning for various poses such as a stowed pose, observation poses, and inspection poses. Neck extension and actuator module designs are provided to implement various head and neck morphologies. Robot control network circuitry is also provided.

Abstract: There are provided plural suspension links, one end of each of which is coupled to a wheel and the other end of each of which is coupled to a vehicle body. The suspension links are disposed so as to extend substantially in a vehicle width direction. A drive motor is disposed so as to be offset from a center of a wheel on a side that is away from disposition location of the suspension links. The drive motor and the wheel are coupled by a drive-force transmitting mechanism so that a drive force can be transmitted. Accordingly, there can be provided the disposition structure of a drive device for a vehicle that can provide both the drive motors and the suspension links without any improper interference, ensuring proper controlling of the wheel positions.

Abstract: The invention relates to an adapter element (10) and to a method for connecting an electric motor, which comprises a housing (14), to a transmission interface (48) of a bodywork part (50) in a motor vehicle. The adapter element (10) is annular-shaped and comprises radial recesses (18, 58, 78), which can be engaged in a radial manner in corresponding counter recesses (20, 60, 80) of the housing (14, 15), in such a manner that the adapter element (10) surrounds the housing (14, 15) about the drive axle (31) and is fixed in an axial manner and in a positive fit in relation to the housing (14, 15), and the adapter element (10) comprises means (44, 38, 42, 46) for axially connecting to the transmission interface (48).

Abstract: An industrial truck has a vehicle frame (1) with a support section (3) that holds a battery block (4). For insertion and removal of the battery block (4), there is a lateral frame opening (3b) and a top frame opening (3a). The vehicle frame (1) has a side member (6) configured to span the support section (3). The side member (6) can be pivoted between a closed position in which it spans the support section (3) and is a component of the load-bearing structure of the vehicle frame (1) and an open position in which it allows access to the support section (3).

Abstract: A power distribution system for a hybrid vehicle having an engine is disclosed. The power distribution system includes an electric motor/generator, a vehicle accessory drive system comprising a first accessory, and a power distribution apparatus. The power distribution apparatus includes a first power transfer member comprising a first shaft, the first shaft being configured to transfer power to the engine and from the engine. The power distribution apparatus further includes a second power transfer member comprising a second shaft, the second shaft being configured to transfer power to the motor/generator and from the motor/generator. The power distribution apparatus further includes a third power transfer member comprising a third shaft, the third shaft being configured to transfer power to the accessory drive system to drive the first accessory. The power distribution apparatus further includes a first clutch and a second clutch.

Abstract: A motorized electric wheel for a vehicle including a circular armature having a central hole and comprising a coil wheel having electro-magnetic coils; a shaft inserted through the hole and being fixed to the circular armature and to the vehicle so that the shaft does not rotate; a pair of bearings fixed to the shaft, one bearing on each side of the armature; a cover rotatably surrounding the armature and resting on the bearings; and two wires connected to a switching mechanism, each of the wires connected to the electro-magnetic coils. The motorized electric wheel of the invention may be used for any type of motorized vehicle.

Abstract: A hybrid vehicle with an internal-combustion engine and an electric motor has a tank ventilation system that includes a fuel tank and a suction pipe leading from a filtering device, which can be regenerated, to the intake path of the internal-combustion engine. A control device is configured to actuate different valve devices for flushing the filtering device, so that ambient air can be fed to the internal-combustion engine through the filtering device and the suction pipe. In addition, the control device is configured such that, during purely electric operation of the hybrid vehicle, it connects the internal-combustion engine as a function of the loading condition of the filtering device or of the flushing gas concentration.

Abstract: An electric motor control system including a generator, an AC motor, a power converter for driving the AC motor using a DC output voltage of the generator, and an electric motor controller for controlling the power converter. The electric motor controller controls the power converter by predicting a change in the DC voltage.

Abstract: A system for powering a vehicle includes a DC motor adapted to be coupled to a vehicle axle when the vehicle is to be driven in reverse or forward at a speed less than a threshold, and an AC motor adapted to be coupled to vehicle axle when it is to be driven forward at a speed exceeding the threshold. An AC turbine adapted to be driven by motion of the vehicle generates an AC current for powering the AC motor when the AC turbine is coupled thereto. An operator-controlled rheostat is used to control the speed of either the AC or DC motor. A switching system uncouples the AC turbine from the AC motor and couples a battery to the DC motor through the rheostat when the vehicle is driven in reverse or forward at a speed less than the threshold. The switching system also serves to uncouple the battery from the DC motor and couple the AC turbine to the AC motor through the rheostat when the vehicle is driven forward at a speed exceeding the threshold.

Abstract: A system for controlling slip of a machine is disclosed. The system has a power source configured to produce a power output, at least one driven traction device, and a transmission operably connected to transmit the power output from the power source to the at least one driven traction device. The system further has at least one sensor configured to detect an acceleration of the machine and to generate a corresponding signal, and a controller configured to receive the signal and to reduce a magnitude of power or torque transmitted to the at least one driven traction device when the detected acceleration indicates slip of the at least one driven traction device.

Abstract: A motorcycle defines a riding position in which positions are provided for the rider's feet that are located behind the engine and in front of the rear tyre (23) in the direction of travel, in which positions the distance between the inner sides of the rider's feet may be less than the width of the rear tyre (23).

Abstract: A straddle -type vehicle that can be accelerated rapidly by a simple operation irrespective of a selected drive mode includes a control unit that executes first control of switching between a plurality of drive modes A and B, and in each of at least two of the drive modes A and B, and second control of shifting the change gear to a kick-down state A1 or B1 in which the speed change ratio is lower than that of the drive mode A or B, according to operation of a shift-down operation member.

Abstract: A motorcycle including a belt type continuously variable transmission (CVT) and having a reduced width. An engine unit includes an engine having a crank shaft, the belt type CVT, a clutch, an output shaft and a generator. The CVT has a primary sheave, a secondary sheave shaft and a secondary sheave. The primary sheave is on one side of the crank shaft and the clutch is on another side with respect to the secondary sheave on the secondary sheave shaft. The output shaft is on a side opposite to the clutch on the secondary sheave shaft. The generator is on the other side of the crank shaft. A center axis of rotation of the secondary sheave shaft is higher than a center axis of rotation of the crank shaft. Right and left footsteps are located behind a rear end of the rotation motor and under a lower end of the secondary sheave.

Abstract: A transaxle comprises: a pair of left and right steerable wheels; a hydraulic pressure source; a pair of left and right variable displacement hydraulic motors, serving as first and second hydraulic motors for driving the respective steerable wheels, wherein the first and second hydraulic motors are fluidly connected in parallel to the hydraulic pressure source, and wherein the first and second hydraulic motors are provided with respective movable swash plates; and a motor control linkage for simultaneously moving both the swash plates of the first and second hydraulic motors according to a turning angle of one of the steerable wheels.

Abstract: A power transfer system for four-wheel drive vehicles is provided which allows the power transmission system to be compact and the front differential to be located near the lateral center of the vehicle body even when an unmodified FR vehicle transmission is used. The amount of offset by which a pinion shaft of the front differential is offset from the lateral center of the vehicle body toward a drive pinion shaft is defined such that right and left drive shafts coupled to the front differential can be considered generally equal in length to each other. Furthermore, a differential case near the pinion shaft is extended toward the drive pinion shaft where the outer diameter thereof is maintained, and a hypoid drive gear is attached to the extended portion.

Abstract: A vehicle energy management system relying on the principle of reallocation of existing resources provided by the vehicle manufacture. Engine belt or engine direct driven components are replaced with electrical motors. Since replacement of the main fan unit would involve a prohibitively large fan due to starting currents, the larger component that would have multiple cooling purposes is replaced with smaller single function electrical components. The larger multipurpose heat exchangers such as the vehicle radiator are replaced with smaller single function heat exchangers associated with the smaller electric fans. The energy management system may involve a main vehicle engine crankshaft mounted generator. This simple generator creates high voltage DC electricity that may be converted to household level AC for the operation of customer application equipment.

Abstract: A variable gear ratio steering apparatus includes a differential mechanism connected between an input shaft and an output shaft. A differential case is mounted to a housing for relative rotation. The differential case is in meshing contact with the input shaft and the output shaft through bevel gears. A central shaft is fixed to the differential case. Each of the input shaft and the output shaft has a central longitudinal bore open at least at a longitudinal end facing the central shaft. An input shaft bearing set includes a radial bearing disposed between a lateral periphery of the central longitudinal bore of the input shaft and an outer lateral periphery of the central shaft, and a thrust bearing disposed between the back surface of the input bevel gear and the first longitudinal end portion of the housing. An output shaft bearing set is constructed similarly.

Abstract: Acoustic noise from relatively high pressure gas flows as a result of opening for example a bypass valve in a gas turbine engine can cause problems. By provision of an acoustic apparatus incorporating an inner chamber where there is a pressure reduction and then a chamber divider surface incorporating small apertures with a wide spacing distribution an upward shift in acoustic frequency of the gas flow is achieved beyond normal human comprehension. An outer chamber is provided to receive the fine gas flow jets from the apertures in the chamber divider surface for further pressure reduction and low pressure release through wider apertures in an exit surface.

Abstract: A surface cleaning apparatus is disclosed. The surface cleaning apparatus comprises a fluid flow path extending from a dirty fluid inlet to a clean air outlet and including a suction motor. At least one cleaning stage is positioned in the fluid flow path. The suction motor is positioned in a housing of the surface cleaning apparatus and upstream of the clean air outlet. A sound dampening passage is provided downstream from the suction motor and in fluid flow communication with the clean air outlet. At least a portion of the sound dampening passage comprises a first layer of a sound reflecting material and an inner layer of sound absorbing material. Such a passage is useable in other household apparatus that have an air exit.

Abstract: A muffling apparatus (100) having a first, muffling segment (1010) and a second (1020), non-muffling segment is provided for placement within an oil separator of refrigeration or cooling system, wherein the apparatus has a non-straight shape and a lumen defined therein to allow for noise-creating pressure pulsations/waves to come into contact with absorbing material (120) of the muffling segment (1010) in order to attenuate the energy of the pressure waves/pulsations into heat and thus reduce oil separator vibrations caused thereby.

Abstract: A conventional machine package faces problems concerned with costs, weight, etc. and also a problem of antinomy that an attempt to enhance the noise reducing performance increases the airflow resistance and then deteriorates the cooling performance. Providing a sound absorbing structure with the heat radiation performance ensured within a practical range and then with considerably improved noise reducing effect achieves a low-noise machine package with a downsized casing and a reduced cooling fan power.

Abstract: An energy absorber for minimizing elongation upon deployment when used in a personal fall arresting system. The energy absorber contains at least two tear-away members in which each tear-away member includes upper and lower webbings that are each two ply members. The back ply of the upper webbing is mounted adjacent to the face ply of the lower webbing with this webbing being of about equal length and width. Exterior tear elements run back and forth sinusoidally between attachment points on the face ply of the upper webbing and the back ply of the lower webbing. Interior tear elements run back and forth sinusoidally between attachment points on the back ply of the upper webbing and the top ply of the lower webbing. The absorber, including the at least two tear-away members, can be made from a continuous strip of material wherein the tensile strength of each of the tear elements of each tear-away member is less than that of the attachment points.

Abstract: A pre-compressed gas strut assembly and method of installing it for use as the extension and retraction part of a folding ladder configured for installation in an opening, such as an opening in a ceiling of a house or other building. The pre-compressed gas strut has holding members attached to end caps having radial protrusions arranged on opposite ends of the gas strut that maintain the gas strut in a compressed position during installation of the attic ladder assembly.

Abstract: A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool.

Abstract: The instant invention relates to a automatic oil change apparatus and system for an internal combustion engine. The apparatus is equipped with a non-volatile memory for receiving data from and transmitting data to the engine controller.

Abstract: An at least partially automatic valve stem lubrication system including a source of grease lubricant, a pump and an at least partially automated control system, the control system structured and arranged such that lubricant is pumped onto a valve stem surface area as a function of the receipt of certain inputs.

Abstract: Ground conveyor for ride-along operation with a load-bearing means, which is adjustable in height by means of a lifting device on a frame and at least one steerable drive wheel driven by a drive motor, a platform for an operator and control elements for the drive motor, the steering of the drive wheel, the lifting device and suchlike, wherein the platform in the frame is swivel mounted on a vertical axis and can be positioned in a desired angle position with respect to the frame by rotating drive means or traction drive means, at least one drive wheel is mounted on the bottom side of the platform, the control elements are provided on an uptight part attached to the platform and the steering takes place with the help of the rotating drive means.

Abstract: A torque motor type elevator comprises a torque motor, a ball screw, a sliding nut and an elevator car. The torque motor serves to drive the load screw of the ball screw directly, so the elevator car fixed to the load nut is moved up and down. The ball screw of the present invention is provided for reducing the loss of energy of the elevator driving system, and the sliding nut is disposed on the ball screw to improve its safety. The torque motor can be added with a resolver or an encoder to control the position precisely. Such arrangements can prevent the problem of energy consumption and can simplify the structure.

Abstract: The method of the invention can be used to improve the performance of an elevator system. In the method, the acceleration and/or velocity of at least one door in the elevator system is measured and a dynamic model of the door is created. Using the model, an estimation of acceleration and velocity can be calculated as a function of unknown parameters. From the estimated acceleration or velocity and the measured acceleration or velocity an error function is obtained, and a search is performed in an optimizer to find its minimum value. The unknown parameters corresponding to the minimum value indicate the value of the kinetic parameters of the door at the instant being considered. By utilizing the calculated values of the kinetic parameters, the functions of the doors in the elevator system are optimized separately for each door. Using a genetic algorithm, it is possible to determine, in addition to the unknown kinetic parameters, the operational state of the door closing device as well.

Abstract: A parking brake assembly for a railway car includes a ratchet mounted for rotation on a threaded piston rod of a brake actuator and a holding pawl engageable with the ratchet for maintaining a push rod of the parking brake assembly to apply braking force when the air pressure is lost in the brake pipe and releasing the push rod to accordingly release the braking force when the supply of air pressure in the brake pipe is restored. An operating lever and a cylinder connected thereto are provided for selectively rotating the holding pawl. Valve is provided for supplying air pressure to and evacuating it from the cylinder. Release mechanism is provided for manually releasing the braking force. The parking brake assembly is employed with either truck-mounted or carbody-mounted braking system.

Abstract: An apparatus that generates brake pedal reaction force is provided. The apparatus includes a variable throttle mechanism that varies a fluid passage area between the variable throttle mechanism and a stroke simulator when the flow rate of an operating fluid supplied from a master cylinder exceeds a predetermined flow rate. The variable throttle mechanism includes a movable member, in which a through passage for the operating fluid is formed, and a throttle portion that is formed in the middle of the through passage. The movable member is slidably provided in the inside of a case body and the movable member changes the fluid passage area by closing a portion of a communicating port formed in the case body.

Abstract: Aircraft landing gear comprised of a wheel hub motor/generator includes alternating rotors and stators mounted with respect to the wheel support and wheel. The invention in certain embodiments can provide motive force to the wheel when electrical power is applied, e.g. prior to touch-down, thus decreasing the difference in relative velocities of the tire radial velocity with that of the relative velocity of the runway and reducing the sliding friction wear of the tire. After touchdown the wheel hub motor/generator may be used as a generator thus applying a regenerative braking force and/or a motorized braking action to the wheel. The energy generated upon landing may be dissipated through a resistor and/or stored for later use in providing a source for motive power to the aircraft wheels for taxiing and ground maneuvers of the aircraft. Methods and apparatuses for nose gear steering and ABS braking using the disclosed invention are described.

Abstract: Disc brake rotors in which figural bodies are formed by struts connecting an inner hub mounting section to an outer braking surface section are described. An entertaining variety of forms may be so-portrayed. Additional graphical features may be applied or incorporated, for example, in the outer ring of the rotor.

Abstract: A multistage jounce bumper, including a jounce bumper cushion integrated with a hydraulic jounce bumper, wherein provided are the damping characteristic of the hydraulic jounce bumper and the damping/spring characteristics of a jounce bumper cushion. The hydraulic jounce bumper hydraulic response is tunable via adjustment of hydraulic flow with respect to a communicating hydraulic fluid reservoir. When maximum jounce is approached, jounce force and energy are exchanged, at a first stage, with the jounce bumper cushion, then at a predetermined compression, jounce force and energy are exchanged, at a second stage, with the hydraulic jounce bumper. Thereafter, a mechanical abutment is provided as a third stage of jounce management.

Abstract: A rod guide for use in a piston/cylinder monotube shock absorber includes an annular guide body disposed about the piston rod within the shock absorber cylinder. A rod scraper in a top face of the guide body seals grease and oil inside the cylinder and prevents contaminants from entering the cylinder. A one-piece plastic insert, preferably formed of PPA or other rugged thermoplastic resin with a low coefficient of friction, is retained in a bottom face of the guide body. A rod seal on top of the insert, positioned within the guide body, further seals the cylinder against outward migration of shock oil from the cylinder as it slides along the piston rod and provides support for the rod guide, in both the axial and transverse directions, as the insert moves along and relative to the piston rod.

Abstract: An electronic device comprising a latch mechanism configured to securely fasten a first member to a second member and a dampening system configured to reduce acoustical noise generated in response to actuation of the latch mechanism.

Abstract: A body frame of a straddle-type vehicle includes a frame extending along an outer side surface of a fuel tank. A first vibration isolating member is sandwiched between the frame and the fuel tank. Vibration transmitted to the fuel tank through the body frame is damped by the first vibration isolating member. A second vibration isolation member may be sandwiched between a seat of the vehicle and an upper surface of the fuel tank to further damp vibrations. The vibration members may be integrated with a cover of the fuel tank.

Abstract: An oscillation damper for a hand-held power tool (D) has at least one first spring (4) and at least one second, additional spring (9) for axially compressively preloading a damping mass (3) of the damper against the tool housing, and a user-operated switching element (8) having a first position in which the damping mass (3) is axially compressively preloaded against the power tool housing only by the at least one first spring (4), and a second position in which the switching means (8) connects the damping mass (3) with the at least one second additional spring (9) so that the damping mass (3) is axially compressively preloaded against the power tool housing by both the at least one first spring (4) and the at least one second, additional spring (9).

Abstract: A grip assembly includes a base fixedly fastened to a retractable handle for luggage, a lower protective cover shell fastened to the base at the top and having two upright posts, a flexible pad sandwiched between the base and the lower protective cover shell, two grip elements respectively coupled to the upright posts and extending out of two opposite ends of the lower protective cover shell, an upper protective cover shell covered on the lower protective cover shell, a cap capped on the upper protective cover shell, two fastening members respectively fastened to the cap and the upright posts to affix the cap and the upper protective cover shell to the lower protective cover shell and the base, and a spring-supported release mounted in a center through hole of the upper protective cover shell and the center through hole of the cap for operation by the user to unlock the retractable handle.

Abstract: An energy recovery system including a device that produces a magnetic field adapted for mounting to a vehicle and a stationary conductor adapted for placing in or adjacent the path of the vehicle wherein the magnetic field induces current to flow through the conductor when the vehicle moves past the conductor.

Abstract: A drive system for a motor vehicle comprises a drive unit with a drive shaft and a torque-transmitting assembly, which is to be connected on the drive side to the drive shaft for rotation in common around an axis of rotation (A) and which is to be connected on the takeoff side to a gearbox. The drive-side connection is accomplished by means of an axial plug-in connection arrangement, and the torque-transmitting assembly is supported in at least one axial direction on the gearbox.

Abstract: This invention presents a reverse input prevention clutch bearing assembly in which a forward and a reverse torque inputted from an input side is transmitted to a output side, while locks the transmission of the forward or the reverse torque inputted from the output side to the input side by locking the output side or by separating the output side from the input side. The reverse input prevention clutch bearing assembly has a first rotational member and a second rotational member which are arranged on a coaxial line and has orbit surfaces with different radii and a plurality of rolling members which are arranged in a circumferential shape between the two orbit surfaces so that the outer circumferential surfaces of the rolling members are contact-rotatable.

Abstract: A clutch unit including at least two sub-units, one of which is pre-assembled on the engine side of a motor vehicle drive train, namely on the output shaft of the engine, and the other sub-unit is pre-assembled on the transmission side of the drive train. The pre-assembled sub-units each include respective interengaging teeth to provide a positive drive connection therebetween.

Abstract: A double clutch of a double clutch transmission of an engine is shown and described, and can comprise two clutch packs associated to two coaxial shafts, two clutch pistons each activating one of the clutch packs, and a hydraulic control device including a low pressure pump for lubrication and cooling of the clutch plates of the clutch packs, and a high pressure pump for activation of the clutch piston and a synchronizer. The low pressure pump and the high pressure pump can be disposed in parallel. Also, an electronic control device can control the hydraulic control system. In some embodiments, a flow switch is provided in a low engine speed range, and is adapted to combine oil flow of the low pressure pump and the high pressure pump at high pressures.