Abstract: The object of the invention is a method for installing an elevator, in which method the guide rails of the car are installed by fixing the guide rail sections into position from the bottom upwards.

Abstract: Covering method for a floor or another surface which method is implemented with the help of surface elements, such as tiles (1) to which method positioning of surface elements (1) onto the intended surface in order to form the desired figures onto the surface by using frames (2) and devices (4), which ensure the stability, belongs. The method comprises a casette to which a bottom (3) of the casette and a frame (2), which can be attached on top of the bottom (3) of the casette or is built fixed to it and which controls the installation of the surface elements and their stability, belong whereupon the edges of the mentioned frame (2) are adjusted to form a opening with the other, respective edges of the frames (2) of the casettes to which opening an interlocking piece (4), adjusted to the shape and the size of the hole, can be installed.

Abstract: A structural composite hybrid beam having an attached fire-resistant coating material, the structural composite hybrid beam including: a cold-formed steel plate beam, which is formed into a form shape having a space where concrete is placed; a concrete slab installed on the cold-formed steel plate beam and that is integrally connected to the concrete; and a flow preventing member protruding from a pair of side plates of the cold-formed steel plate beam, and preventing the fire-resistant coating material sprayed on each of the pair of side plates from flowing down so that the fire-resistant coating material is firmly attached to the each of the pair of side plates. A thickness of the fire-resistant coating material is reduced as the concrete inside the structural composite hybrid beam absorbs heat, and thus construction expenses are reduced. Accordingly, the structural composite hybrid beam has excellent fire-resistant performance unlike a general steel-frame beam.

Abstract: A packaging system includes a packaging line comprising a filling machine for producing sealed packages containing food product and downstream distribution equipment connected by conveyors and each including a control system, a line controller for managing configuration, communication and control of the packaging line, a common overhead message display which displays visual information on the operation of the equipment, and a communication network for connecting the line controller to the equipment. The line controller includes a line configurator which reduces and secures effective line installation, start up and tuning at the manufacturing floor via “plug and play”, a line commander which optimizes line performance and product flows during production, a recipe manager which accommodates production flexibility by improving “easy to use” line resources and material, and a conveyor optimizer which optimizes product transportation along the conveyors.

Abstract: There is provided a medicine dispensing system configured such that a medicine dispensing device includes a sub unit having a function to dispense medicine that is connected to a medicine dispensing device that includes a main unit having a function of packing medicines. There is also provided a medicine dispensing device that can be appropriately integrated with such a medicine dispensing system. The medicine dispensing system includes, in some embodiments a main unit, a sub unit and a transfer device connecting the main unit and the sub unit. The medicine dispensing system transfers the medicine dispensed in the sub unit to the main unit by means of a transfer device and dispenses the medicine at a medicine packing part together with the medicine dispensed from a main storage part in the main unit.

Abstract: A deep-drawing packaging machine (1) includes a forming station (2) for forming containers (14) in a first web-like material (8), an insertion section (15) for inserting products (16) which reach at least one sealing level (28) or project over it, and a sealing station (3) arranged downstream thereof in a working direction (R) which is embodied to seal a second web-like material (10) onto the containers (14). The packaging machine further includes a means (11) for changing a distance (12) of layers (10a, 10b) of the second, at least two-layered web-like material (10). In another embodiment, a packaging machine includes an insertion section (15) and a sealing station (3) arranged downstream thereof in the working direction (R), in which at least one contact (25) is provided for thermal transfer via heat conduction between a sealing plate (22) and a heating plate (23) for heating a lid foil (10).

Abstract: A multi-row wrapping machine for wrapping products (P) comprising a plurality of wrapping lines or rows (F), adjacent and coplanar to each other, each wrapping row being defined between a common input station (2) and a respective output station (3) for wrapped products, the rows developing parallel to each other along a direction of advance from the input station towards the output station, conveying means (N) being provided to convey the products (P), one in line with the other, along each respective wrapping line, the products being fed to the input station (2) in ranks at a set rate, each product of each rank engaging with each respective wrapping line at the same time. The machine has dragging means provided on each respective wrapping row to drag a respective wrapping film (T) in an unwinding direction, wrapping means to wrap the individual product (P) in wrapping film (T) and also to cut and weld the reciprocally superimposed edges of the wrapper, feeding the wrapped product to the output station (3).

Abstract: Methods, devices and computer program products automatically package an object, such as, for example, whole muscle meat pieces, in a covering material, such as, for example, netting. The devices include a loading chute having a ceiling or door having at least a portion configured to open and close and a floor underlying and in cooperating alignment with the ceiling. The ceiling and floor are configured to cooperate to encase a product chamber with an axially extending open channel therebetween. At least one of the floor and ceiling reciprocates in a substantially vertical direction between a first loading position corresponding to when the ceiling is open and a second operative position corresponding to when the ceiling is closed.

Abstract: The invention provides techniques for treating or conditioning powders subsequent to their packaging to facilitate extraction of the powders from their packaging.

Abstract: The device includes a stacking surface movable in a substantially vertical direction, on which layers of products to be packaged are superposed, and a pair of conveyors substantially superposed to feed the layers of products to the stacking surface. The device also includes a pair of walls substantially parallel, and substantially vertical, between which the layers of products are inserted by the conveyors when they are stacked on the stacking surface. The walls move reciprocally towards and away from each other to take a position of greater reciprocal distance, in which they do not interfere with the products deposited on the stacking surface, and a position of lesser reciprocal distance, in which they interfere with the products inserted therebetween.

Abstract: Methods for producing a can end having a moveable portion disposed beneath a tab are disclosed. In one embodiment, a can end having a center panel may be formed. A moveable portion may be formed in the center panel. The moveable portion may be in a downward position after it is formed. The can end may then be restrained such that a portion of the center panel that is adjacent to the moveable portion is unrestrained. While the can end is restrained, the moveable portion may be moved into an upward position.

Abstract: An implantable tissue marker incorporates a contrast agent sealed within a chamber in a container formed from a solid material. The contrast agent is selected to produce a change, such as an increase, in signal intensity under magnetic resonance imaging (MRI). An additional contrast agent may also be sealed within the chamber to provide visibility under another imaging modality, such as computed tomographic (CT) imaging or ultrasound imaging.

Abstract: Packaging machines are disclosed including a web transport conveyor transporting a web of flexible packaging material from upstream to downstream locations through a series of stations. Packaging apparatuses are disclosed including a forming station and a closing station, each having movable die members that are counterbalanced. Methods of operating the packaging apparatus are disclosed.

Abstract: Packaging machines are disclosed including a web transport conveyor transporting a web of flexible packaging material from upstream to downstream locations through a series of stations. Packaging apparatuses are disclosed including a forming station and a closing station, each having movable die members that are counterbalanced. Methods of operating the packaging apparatus are disclosed.

Abstract: A method and machine for folding sheets of packing material about respective groups of cigarettes to form respective packages, and wherein a web of packing material is first fed through a control station for detecting the position of a reference mark made on the web at a work station upstream from the control station, and is then fed through a cutting station where the web is cut into sheets of packing material, each of which is fed to a packing station where each sheet of packing material is folded about the respective group of cigarettes.

Abstract: An embodiment of the present invention relates to a storage container for liquids or for viscous or atomisable products, which can be connected to a metering device, the storage container having a cylindrical configuration and a base with a pressure equalisation device and also an oppositely situated open side, the open side including a connection region, and in that an inner bag which is collapsible by suction force is disposed in the storage container.

Abstract: A container sealing apparatus 10 comprises an electrically conductive linearly displaceable cutting member 14 operable to cut a portion 18 of sealing material from a web 16 and an independently linearly displaceable transfer member 42 comprising an electrically insulating material and extendible relative to the cutting member 14 to transfer the cut portion 18 of sealing material to an open top of a container 12 to be sealed. An induction coil 52 produces an induction field 54 for heating the cut portion 18 of sealing material, either directly or indirectly, by induction heating to seal the cut portion 18 of sealing material to the open top of the container 12. The linearly displaceable transfer member 42 holds the cut portion 18 of sealing material against the open top of the container 12 during induction heating.

Abstract: The invention relates to a method for closing already preformed and separated containers (19), for example trays, with a lid foil (24) in a closing station (3). The invention is characterized in that a deep-drawable foil is used as lid foil (24), that the lid foil (24) is deep-drawn in a forming means (23) of the packaging machine (1), and that the deep-drawing of the lid foil (24) is accomplished before the containers (19) are closed with the lid foil (24). The invention also relates to a packaging machine (1) suited for carrying out such a method.

Abstract: The method consists in: a) screwing a spherical impact part (16) onto the body of the cork so as to extend it axially; b) orienting and holding the bottle (14) in a predetermined position such that the bottle extends below a reference level (18), the impact part (16) emerging above said level; and c) striking the impact part with a striker surface (22) situated at the end of the arm of a striker accessory (24), e.g. a golf club. This produces a sudden force on the cork of amplitude that is sufficient to forcibly expel the cork solely by the fact of striking against the impact part. The device further comprises a podium (10) defining the reference level (18) and means (30) for orienting and holding the bottle (14) in a predetermined position which may be vertical or inclined.

Abstract: Stationary compacting, bagging machine comprising a structure intended to compact sorted or unsorted waste inside bags manufactured in laminated polypropylene adequate for this purpose, in which said equipment can perform high compaction of waste, extracting the liquid arising from compaction and eliminating empty spaces between the different kinds of materials, in such a manner that these bags can be deposited in proper landfills with no leaks into the atmosphere nor contamination of the groundwater.

Abstract: SYSTEM FOR FINAL DISPOSAL OF WASTE BY COMPACTING AND BAGGING, comprising a set of operations used for determining the best manner of disposing of waste in general (garbage), making use of a system with or without recycling, and using high pressure compaction in order to reduce the empty spaces and liquids as a result of the compaction and existing in the waste, for the purpose of their further bagging for conditioning and disposal in proper places.

Abstract: The present invention provides a receptacle filter for charging hydrogen which can reliably remove impurities from hydrogen gas when charging hydrogen into a tank. The receptacle filter of the present invention includes a filtering unit which removes impurities from hydrogen gas, and a one-way control valve which controls the flow direction of hydrogen gas.

Abstract: An adjustable height implement system for an agricultural vehicle. The system includes a harvesting implement having an adjustable height, a control system operably connected to the harvesting implement to adjust the height of the harvesting implement with respect to the ground and a sensor configured to determine a ground speed. The control system alters the rate of the height adjustment in response to the ground speed. A method and agricultural vehicle are also disclosed.

Abstract: An agricultural harvester includes a support frame and a hopper coupled to the support frame. The hopper is configured to store an agricultural product during a harvesting operation. An unloading system is coupled to the support frame. The unloading system is configured to transport agricultural product received from the hopper to an off-machine location. The unloading system includes a metering gate, a transfer conveyance, at least one sensor, and an electrical processing circuit. The metering gate is positioned near a bottom of the hopper and in communication with an interior of the hopper. The transfer conveyance has an inlet end and a discharge end. The inlet end is in communication with the metering gate. The at least one sensor provides an output signal representing an operating parameter associated with an unload rate of agricultural product through the transfer conveyance during an unloading operation. The electrical processing circuit is coupled to the metering gate and the at least one sensor.

Abstract: An adjustable height implement system for an agricultural vehicle. A harvesting implement has an adjustable height. A control system is operably connected in a first operating mode to the harvesting implement to adjust the height of the harvesting implement with respect to the ground. The control system is operably connected in a second operating mode to the harvesting implement to maintain at least a predetermined distance between the harvesting implement and the ground. The second operating mode is engaged in response to the agricultural vehicle satisfying at least one predetermined vehicle operating parameter.

Abstract: Apparatus for harvesting grapes without damaging the grapes. A cluster hanger clip is provided to securely hold a cluster of grapes by the stem, in order to cut, carry, and transport the cluster with minimal or no touching of the grape berries. A grape harvesting vehicle which moves between the rows of grapevines in the vineyard, includes grape conveyors, on which the hanger clips are suspended, either temporarily or permanently. The conveyors convey the grape clusters to packers at packing stations on the platform. The packers segregate the grape clusters and pack the clusters into boxes. A palletizer stacks the boxes on pallets in a bin. The platform can change configuration for use in the vineyard, and for travel on the highway.

Abstract: A method of unplugging hay and forage equipment, including the steps of identifying a plug, activating unplugging devices, unplugging the equipment, and returning the unplugging devices to position of normal operation. The identifying step includes identifying a plug in the equipment caused by the material entering the equipment. The activating step includes activating substantially simultaneously a plurality of unplugging devices. The returning step includes returning the plurality of unplugging devices to their normal operating positions.

Abstract: A leaf gathering apparatus includes upper and lower conveyor axes, a conveyor extending around the upper and lower conveyor axes that is continuously rotatable, and a rotatable sweeping mechanism having a generally horizontal axis of rotation, the sweeping mechanism being configured to move leaves from a ground surface onto the conveyor. The apparatus includes a bag and a channel extending from the conveyor to the bag to direct leaves therebetween. A shredder is located along the channel. A frame, the upper and lower conveyor axes, and the sweeping mechanism are operatively coupled to the frame. A plurality of wheels are operatively coupled to the frame to allow the frame to be easily transported and a motor is operatively coupled to the sweeping mechanism to rotate the sweeping mechanism, the motor being operatively coupled to at least one of the upper and lower conveyor axes to rotate the conveyor.

Abstract: A tool-less chain coupling link has first and second body members releasably joined together. A first hinge pin is movably positioned within corresponding openings in the first and second body members. A first hinge pin keeper member is pivotally attached to the first body member and movably attached to the first hinge pin. A second hinge pin is movably positioned within other corresponding openings in the first and second body members. A second hinge pin keeper member is pivotally attached to the second body member and movably attached to the second hinge pin. The first and second hinge pin keeper members can be pivoted in a first direction to withdraw the first and second hinge pins, respectively, a sufficient distance to allow the first and second body members to be released from each other.

Abstract: This invention relates generally to gas turbine engine thrust scheduling, and more particularly to systems and methods for smoothing thrust inputs to gas turbine engines. In one embodiment, a method for operating a gas turbine engine comprises, upon disengagement of an auto-throttle system, determining a first trim setting corresponding to a TLA setting, determining a second trim setting where the second trim setting reduces to zero during successive manual throttle lever movements, determining a third trim setting comprising a combination of the first trim setting and the second trim setting, and applying the third trim setting to the TLA setting to smoothly transition from auto-throttle to manual operation of the engine while maintaining engine thrust.

Abstract: A fiber-optic dynamic sensing module comprises a support member, a beam extending from the support member, and a pre-strained fiber Bragg grating sensor and a strain-free fiber Bragg grating sensor mounted on the beam. The pre-strained and strain-free fiber Bragg grating sensors each comprise a Bragg grating inscribed in a fiber. The Bragg grating of the pre-strained fiber Bragg grating sensor is packaged more tightly along a longitudinal direction of the beam than the Bragg grating of the strain-free fiber Bragg grating sensor.

Abstract: An example method of estimating a gas turbine engine surge margin and surge margin deterioration includes monitoring debris in at least a portion of an engine and establishing an estimated surge margin for the engine using information from the monitoring The method may use gas path parameters, such as pressures, temperatures, and speeds to establish the estimated surge margin. An example gas turbine engine surge margin assessment system includes a debris monitoring system configured to monitor debris moving through a portion of an engine, and a controller programmed to execute an engine deterioration model that establishes an estimated surge margin and loss in surge margin of the engine based on information from the debris monitoring system.

Abstract: A jet engine bird and debris shield device is disclosed that is designed as a deflector to deflect large birds, such as geese weighing in excess of eight pounds, and keep from entering the turbine blades of a jet engine. The shield device is aerodynamically shaped in the form of a frustro-conical cylinder aligned to the direction of flight and attaches to the air intake portion of the jet engine. The shield is formed with a series of openings or slots that allow sufficient air to be entrained into the jet engine intake. The orientation and shape of the slots direct the air directly to the turbine blades of the engine.

Abstract: A hydraulic stepper motor comprising three hydraulic ports each coupled to a piston that is actuatable between pressurised and depressurised configurations; and a contoured cam surface having at least one peak and trough and arranged to react against the pistons, the cam surface coupled to an output shaft; whereby actuation of one of the pistons moves the cam surface until a trough reacts against one or more pressurised pistons.

Abstract: The invention relates to a nacelle (1) that comprises a first cowling (7) and a second cowling (9) capable of covering in particular the area (15) located around the casing of the fan (19) of a turbojet engine (3). The nacelle further includes an intermediate cowling (23) attached to said first cowling (7) so as to sandwich a mast (5) holding said turbojet engine (3). The second cowling (9) is mounted onto the intermediate cowling (23) via removable fastening means.

Abstract: An exhaust gas purification system which, in a wider temperature range, can reduce and remove nitrogen oxides in an exhaust gas by a reduction catalyst with the use of hydrogen as a reducing agent is provided. The exhaust gas purification system has an electronic control device (41) which controls an EGR valve (4) and an EGR pipe (5) so that the concentration of oxygen in the exhaust gas obtained from a data map based on the state of an engine (10) becomes less than a predetermined value, and which controls a microreactor (19) so that hydrogen is added to the exhaust gas when the concentration of oxygen in the exhaust gas is less than the predetermined value.

Abstract: A control system includes a heater control module, a measured duration module, and a regeneration volume module. The heater control module selectively initiates a regeneration in a zone of a particulate filter in an exhaust system. The measured duration module measures a duration of the regeneration. The regeneration volume module determines an available volume within the particulate filter to regenerate particulate based on the measured duration of the regeneration.

Abstract: An internal combustion engine exhaust gas cleaning apparatus is basically provided with a NOx trapping catalytic converter, a sulfur poisoning amount estimating section and a sulfur poisoning removal section. The NOx trapping catalytic converter is arranged in an exhaust passage to trap NOx contained in an exhaust gas flowing through the exhaust passage when an air-fuel ratio of the exhaust gas is lean and to release trapped NOx when an air-fuel ratio of the exhaust gas is rich. The sulfur poisoning amount estimating section estimates an estimated sulfur poisoning amount of sulfur poisoning of the NOx trapping catalytic converter based on a fuel consumption amount and an oil consumption amount. The sulfur poisoning removal section raises a temperature of the NOx trapping catalytic converter to a sulfur poisoning removal temperature based on the estimated sulfur poisoning amount to remove sulfur poisoning from the NOx trapping catalytic converter.

Abstract: An internal combustion engine in an engine exhaust passage of which an NOx adsorption catalyst (12) adsorbing NOx contained in exhaust gas at the time of a low temperature and desorbing the adsorbed NOx when the temperature rises and an NOx storage catalyst (14) are arranged. When the NOx storage catalyst (14) can store NOx, the temperature of the NOx adsorption catalyst (12) is made to forcibly rise to a target temperature at which the amount of NOx which the NOx storage catalyst (14) can store is desorbed, and the NOx desorbed from the NOx adsorption catalyst (12) is stored in the NOx storage catalyst (14).

Abstract: A wall-flow exhaust gas emissions aftertreatment device for simultaneously reducing the particulate matter and NOx content of the exhaust. The device comprises a number of longitudinal inlet channels and outlet channels, the inlet channels being plugged at the exit face, and the outlet channels being plugged at the entry face. The interiors of the inlet channels are coated with a particulate matter catalyst coating, and the interiors of the outlet channels are coated with a selective catalyst reduction catalyst coating.

Abstract: A device for the purification of a polluted gas, for example an exhaust gas from a diesel or gasoline engine, comprising, in combination: A honeycomb structure, comprising at least one porous electron-conductive material forming the walls (1) of said structure and an electrochemical system for treating said gas, comprising a layer (7) of an ionically conductive and electronically insulating material D, a reduction catalyst A (9) for reducing the polluting species of the NOx type and an oxidation catalyst B (4) for oxidizing the polluting species of the soot, hydrocarbon HC, CO or H2 type, said electrochemical system being configured in the form of an electrode W and a counterelectrode CE; and means for applying a voltage or a current between said electrode W and said counterelectrode CE.

Abstract: An exhaust purification device for an internal combustion engine can achieve high NOx purifying performance independent of operating conditions of the engine. The exhaust purification device has a NOx purification catalyst (33) mounted in an exhaust pipe (4) of the internal combustion engine, adsorbing or occluding NOx in exhaust gas when the exhaust gas air/fuel ratio is made lean, and reducing the adsorbed or occluded NOx when the exhaust gas air/fuel ratio is made rich; a fuel reformer (50) mounted separately from the exhaust pipe (4), reforming fuel to produce a reducing gas containing hydrogen and carbon monoxide, and supplying the reducing gas into that part of the exhaust pipe (4) which is located upstream of the NOx purification catalyst (33); and enriching means for enriching the exhaust gas air/fuel ratio.

Abstract: A first NOx adsorption material 20 exhibiting a peak temperature being 200° C. or less at which an elimination amount of adsorbed NOx becomes the maximum is put in place on an exhaust-gas upstream side, and a second NOx adsorption material 21 exhibiting a peak temperature surpassing 200° C. at which an elimination amount of adsorbed NOx becomes the maximum is put in place on an exhaust-gas downstream side of the first NOx adsorption material 20. In low-temperature region, NOx are adsorbed on the first NOx adsorption material 20; and, in high-temperature region, NOx having been eliminated from the first NOx adsorption material 21 are adsorbed on the second NOx adsorption material 21 again. Therefore, it is possible to adsorb NOx form low-temperature region and up to high-temperature region efficiently, and thereby an amount of NOx being discharged from an NOx reduction catalyst to be put in place on a downstream-side thereof is reduced.

Abstract: According to the present invention, a heat insulator mounting structure able to reduce noise propagated around a vehicle is provided. The heat insulator mounting structure includes an exhaust pipe disposed so that an upper half surface thereof is positioned higher than a horizontal lower surface of a vehicle body, a first shield portion for covering an upper surface of the exhaust pipe above the horizontal lower surface of the vehicle body, and a pair of second shield portions extending downwards below the horizontal lower surface of the vehicle body from both ends of the first shield portion in the circumferential direction of the exhaust pipe.

Abstract: The present invention relates to a device for controlling the working fluid circulating in a closed circuit (10) operating according to a Rankine cycle, said circuit comprising a heat exchanger (22) for evaporation of said fluid, swept by a hot fluid (Ch) from a hot source (28), expansion means (30) for expanding the fluid in vapour form, a cooling exchanger (40) swept by a cold fluid (Fr) for condensation of the fluid in vapour form, and a circulation and compression pump (12) for the fluid in liquid form. According to the invention, the device comprises means (54) of managing the mass of fluid contained in circuit (10).

Abstract: A work machine (10) comprises an operator input device (28), an electro-hydraulic system (64), and a controller unit (46) that communicates with the operator input device (28) and the electro-hydraulic system (64). The controller unit (46) is programmed to operate the electro-hydraulic system (64) in a manual-control mode and an auto-control mode, and is adapted to activate the auto-control mode in response to displacement of the operator input device (28) to an activate-auto position relative to a neutral position (42) of the operator input device (28), and both deactivate the auto-control mode and activate the manual-control mode in response to displacement of the operator input device (28) from the neutral position through a non-responsive deadband (72) about the neutral position (42) to an activate-manual position. An associated method is disclosed.

Abstract: A hybrid hydraulic power transmission system for all terrestrial's vehicles comprises a prime mover and an accumulator which could also be used as the main load bearing full or partial frame for all those vehicles. A hydraulic power integrator is operatively connected to the prime mover and the accumulator and selectively able to draw power for the vehicle from the prime mover, the accumulator, or a combination thereof.

Abstract: The invention relates to a pressure accumulator, especially for a hydraulic unit of a hydraulic vehicle braking system with electronic wheel slip regulation. Pressure accumulators having an accumulator piston acted on by a piston spring are known according to prior art. In order to save costs on parts for the piston spring and to save space in terms of the pressure accumulator, a piston spring having at least one first spring winding is used. According to the invention, the outer diameter of the first winding is smaller than the inner diameter of a second spring winding connected thereto.

Abstract: A dual pump hydraulic system is provided for a vehicle driven by an internal combustion engine. The system includes a first circuit with a first high pressure pump supplying hydraulic fluid to the first subsystem at a higher pressure. The system also includes a second circuit with a second lower pressure pump supplying hydraulic fluid to the second subsystem at a second pressure. A first valve controls communication between the first pump and the second circuit. A second valve is operable to communicate the second pump with the first circuit when pressure in the first circuit is less than a second threshold pressure or when commanded by a control unit. A check valve prevents fluid flow from the first circuit back into to the second valve.

Abstract: A hydro-mechanical transmission for an agriculture vehicle, such as a tractor. The transmission includes an input shaft, a hydrostatic unit driven by the input shaft, a mechanical transmission driven by the hydrostatic unit and/or the input shaft, and a valve assembly having a pressure control valve assembly to control an output speed of the hydrostatic unit. A mechanical shift control valve assembly is coupled with the mechanical transmission to selectively engage one of the gear sets of the mechanical transmission and adjust the hydrostatic unit speed.