Abstract: The invention relates to a roof structure which can be formed from a reduced number of components with respect to a conventional structure. The structure is typically pitched or sloped and comprises a series of spaced apart trusses which are spanned by roof panels which form the external face of the roof. The panels are interlinked or engaged and may in one embodiment be provided with an inner face of insulating material. In one embodiment the panels and/or other components, such as the trusses, may be formed from plastics material.

Abstract: Disclosed is an exterior finish system for building structures that includes a water pervious adhesive for securing an insulation layer to a water resistive barrier applied to a building wall substrate. Also disclosed is a building structure such as a building column or wall that includes the finish system and a method of using the finish system to assemble a building structure such as column or wall.

Abstract: The present invention describes a connection system for prefabricated panels of the type comprising at least two outer concrete layers (12, 14), provided with metallic reinforcement (18), and an intermediate layer (16) made of heat-insulating material, arranged between the two outer concrete layers (12, 14). The system comprises a plurality of plate-like connection elements (10) having such a length (L) as to allow them to extend, in an orthogonal direction with respect to the panel's development plan, through the heat-insulating layer (16) and to partially penetrate inside the outer concrete layers (12, 14). Each connection element (10) is provided, at two opposed terminal ends, with respective hooking means (22, 24) to the outer concrete layers (12, 14). At least one (24) of the hooking means provided at the opposed terminal ends of each connection element (10) is made up of two distinct C-shaped edges (24A, 24B), side by side and parallel to each other.

Abstract: An insulation panel includes a foam core with a reinforced and vapor-impervious facing disposed on one or both sides of the core. A portion of the facing extends beyond the core and has an adhesive so that the overhanging portion can be secured to an abutting panel to cover a seam between the abutting panels. A fixture for forming the panel includes two heated platens, preferably provided with a textured surface, held apart by a spacer and between which the facing is mechanically suspended. An installation of the insulation panel includes panel-securing elements attached to frame elements of the building and including first and second flanges spaced apart by the thickness of the panel. A portion of the insulation panel is disposed between the first and second flanges, the first flange is secured to the frame element, and a cover panel disposed over the insulation panel is secured to the second flange.

Abstract: A flooring system includes a foam pad having an upper surface and a lower surface, and having a tapered section having a slope. The flooring system also includes a coating of a primer material disposed upon at least the slope of the tapered section of the upper surface of the foam pad. A coating of an adhesive is disposed upon at least the coating of the primer material. The flooring system also includes a covering where at least a portion of a surface of the covering is in contact with the coating of adhesive.

Abstract: A waterproof heat-insulation construction method aims to spread a layer of waterproof heat-insulation powder through a waterproof heat-insulation module on a work surface to form waterproof and heat insulation effect thereof. The method comprises the steps of: first, anchoring at least one waterproof heat-insulation module which can be arranged on the work surface; then holding the waterproof heat-insulation powder in the waterproof heat-insulation module in contact with the work surface to form a waterproof heat-insulation layer. The invention also provides a corresponding waterproof heat-insulation module which can be constructed in a modular fashion to achieve waterproof and heat insulation effect for buildings.

Abstract: Energy absorbing wall assemblies, structures including energy absorbing wall assemblies, methods of making energy absorbing wall assemblies, and methods of utilizing energy absorbing wall assemblies are disclosed herein. In some embodiments, energy absorbing wall assemblies may include a first self-supporting wall structure, a second self-supporting wall structure, and an energy absorbing filler material positioned between the first self-supporting wall structure and the second self-supporting wall structure. In additional embodiments, methods of making an energy absorbing wall assembly may include assembling a first self-supporting wall structure, and assembling a second self-supporting wall structure defining a space between the first self-supporting wall structure and the second self-supporting wall structure. The methods may further include flowing an energy absorbing filler material into the space between the first self-supporting wall structure and the second self-supporting wall structure.

Abstract: A roofing shingle is provided. The roofing shingles includes an overlay sheet including a headlap portion and a tab portion and an underlay sheet secured to the overlay sheet such that a region of the underlay sheet overlaps a region of the headlap portion of the overlay sheet. A reinforcement material is secured to the headlap portion of the overlay sheet. The reinforcement material is configured to improve nail pull-through. The reinforcement material extends beyond the overlapping regions of the headlap portion and the underlay sheet a distance of about 0.12 inches or less.

Abstract: There is disclosed apparatus, method and system for mechanically joining abutting construction elements having a first split tongue located at one end of the connector and a second split tongue located at the other end of the connector. The first and second split tongues are adapted to be inserted into and locked onto grooves in abutting construction elements for holding the adjacent construction elements in abutting relationship. In an embodiment the grooves in said construction elements are formed into auxiliary groove containing members adapted to be integrated into an edge or face surface of the construction elements.

Abstract: A system of structural elements for a pergola structure including vertical posts supporting a roof formed of carrying rails supported by the posts and cross rails supported by the carrying rails. Each post includes a post core element, a post shell enclosing the post core element, and a post shell adapter. Each carrying rail adapter mounts a carrying rail to a post and includes a post core interior adapter joined with a single or dual carrying rail retainer, and each rail connector mounts a cross rail to a carrying rail. The elements may further include shell extensions and beam filled rails comprising a rail shell and a reinforcing beam insert.

Abstract: A purlin brace system for roof decks which can be used to provide additional lateral support to roofs is set forth. The system includes a plurality of purlins, each purlin including a central support and a bottom flange. The plurality of purlins are oriented to form a parallel array of purlins such that voids exist between the purlins in the parallel array. The bottom flanges of the purlins define a lower plane. The system further includes at least one brace oriented transverse to the plurality of purlins. The at least one brace has a span member transverse to a purlin axis. The at least one brace is attached to a vertical plate which is cantilevered such that the vertical plate extends away from the span member and along the central support to resist rotational movement of a corresponding purlin.

Abstract: Deck planks with undercut side grooves can be attached to underlying joists by hidden fasteners with leading wings and trailing feet engaged into the side grooves of the deck planks. The bodies of the hidden fasteners space the deck planks so as to provide adequate drainage gaps between the top faces of the deck planks. A power driver tool can be used for rapidly positioning the hidden fasteners and for attaching the hidden fasteners to the joists.

Abstract: A shutter assembly having a shutter with louvres, and a border frame for surrounding the shutter which is attachable to a building and having a plurality of frame side sections each formed of sections of extruded plastic, a plurality of hollow tubes, separated by thin walls, defined in the sections, a fastener channel formed integrally in the frame side sections for receiving fasteners for holding the shutter assembly in place, and, an extruded plastic removable cover plug channel having flexible side walls for fitting in the fastener channel and closing the channel and thereby concealing heads of the fasteners.

Abstract: Anchoring devices and systems are disclosed for use with elongated reinforcement members such as FRP, SRP, metallic bars, or cables. Such devices and systems impart a compressive stress into a static structure having the elongated reinforcement member running there through or there along. An anchoring system can include an anchor block that includes a front end surface for contacting the static structure, an axial bore for receiving the elongated reinforcement member, and clamping members that work with fasteners to provide a clamping force. The bore may be tapered and the fasteners optionally provide different clamping levels to reduce the stress on the elongated reinforcement member near the front end surface. The disclosed systems also include pre-stressing devices that can be used with the disclosed anchor systems, and that can place a tensile force on the elongated reinforcement members to also impart a compressive force on the static structure.

Abstract: This invention is a piece of sheet metal bent into a Z shape. It has integral U shaped tabs at each end of the Z shaped clip. The tabs are created by having the bottom portion of the Z extend 6 to 8 inches longer than the middle and top portions. This longer flat portion is then double bent away from the middle portion to form U shaped tabs. The tabs wrap around the two opposing flanges of a steel bar joist, I-beam or H-column and hold the Z shaped clip onto the bar joist, I-beam or column. The Z clip can be installed prior to spray applied fireproofing used in structural steel buildings. It subsequently provides a connection point for metal stud walls and other materials or equipment that need to be supported by the steel structure at a specific distance away from the bar joist, I-beam or column.

Abstract: A bracket for a post comprises a body adapted for being located at the post and at least one projection extending out from the body. The projection is adapted for retaining thereat at least one of a ground securing pin and an end of a tensioning rod. A post securement system comprises the bracket and at least one of the ground securing pin and tensioning rod. A method employing the bracket locates the post in ground, locates the bracket along the post and positions at least one of the ground securing pin and tensioning rod to be retained at the bracket.

Abstract: The invention is directed to a composite foam material that is alkaline and heat resistance. The composite foam material comprises a foam layer that having a film layer attached thereto and in which at least one of the film or foam layers includes a carbon free radical scavenger agent that is dispersed therein. The carbon free radical scavengers neutralize free radicals that are generated in the polymeric material (e.g., film or foam layer) and help prevent the degradation of the foam composite material. In particular, foam composite materials in accordance with the present invention can be used in underlayment applications in which exposure to heat can degrade the underlayment. As a result, the durability and useful life of the composite sheet material can be extended. In some embodiments of the present invention provides a floor underlayment material that overcomes many of the problems discussed above.

Abstract: A prefabricated shearwall including a central diaphragm having a height generally defined by top and bottom edges, and a width generally defined by a pair of end sections. The diaphragm further includes at least one corrugation extending in the height direction at least partially between the top and bottom edges. The corrugation increases the ductility and ability of the shearwall to withstand lateral forces such as those generated in earthquakes, high winds, floods and snow loads.

Abstract: Systems and methods for securely attaching a screen or mesh to a pre-stressed or precast concrete wall panel are provided. A screen or mesh is embedded in a concrete form when the concrete form is poured. Portions of the concrete form can be stripped and the wall panel can be easily removed from the form without binding on the form itself and without requiring removal of the portion of the form which creates the window opening.

Abstract: A self-reinforced structural member is disclosed. The structural member includes a vertical web between a first horizontal flange and a second horizontal flange. The vertical web includes a self-reinforced opening formed from cut portions of the web.

Abstract: In a medicine packaging apparatus, a distance from a printing section to a heat sealing section is reduced without generating wrinkles on a package sheet. An unfolding guide 65 for unfolding and opening a package sheet 61 provided in a packaging unit 4 includes a main ridge 94 extending along with a crease of the package sheet 61 and a pair of unfolding guide surfaces 95a, 95b which are convex curved surfaces stretching from the main ridge 94. A contact start position 100a with the package sheet 61 of the unfolding guide surface 95a on the outer side of a curve in the conveying direction A relative to the main ridge 94 is located on an upstream side in the conveying direction A of the package sheet 61 of a contact start position 100b with the package sheet 61 of the unfolding guide surface 95b located on the inner side of the curve relative to the main ridge 94.

Abstract: This is a machine to allow a single individual to manually wrap round hay bales with any type of film or net wrap. It allows the operator to position a round bale suspended on a bale spear and centered within the bale wrap ring to turn the ring which contains the wrap material clockwise or counterclockwise about the bale as the wrap covers the bale about its circumference. The ring can also be moved left and right to ensure full coverage of the bale in spite of widths and the ring is large enough to accommodate bales of any diameter up to six foot and can be easily adapted to bales of even larger diameter if round balers are produced in excess of six foot in diameter.

Abstract: The disclosure relates to a method and apparatus for compressing woven material or other compressible material, such as, but not limited to, a comforter set or bedding set. The bedding set or other woven material is placed into a reclosable storage bag which includes a reclosable zipper and a reclosable air valve. With the zipper open, the bag is compressed by a compression apparatus, typically in the absence of vacuum being applied, and, thereafter, the zipper is closed. Straps are wrapped around the compressed bag and the compressed bag is placed into a tote container or similar device. The result is a package with reduced volume, which reduces shipping and display costs, and is more aesthetically attractive to the consumer.

Abstract: A packaging system (100) includes a controller (102), an input device (104) in communication with the controller (102) that identifies one or more characteristics of the container, an illustration with indicia representing different degrees of fill for a container; and a manual input device (106) in communication with the controller (102) for inputting an estimated degree of fullness of the packing container having one or more articles to be packed correlated with the indicia in the illustration. The controller (102) provides an output signal indicating a quantity of dunnage to dispense to the container based on the input estimated degree of fullness and the one or more identified characteristics of the container. Then the controller can determine the amount of dunnage that needs to be provided to fill the remaining void in the container, and the controller can signal a dunnage dispenser (110) to dispense the determined amount of dunnage.

Abstract: A method and system for packaging products in a container employs an active compression assembly having pressure members which are shifted from a raised position to a lowered operational position. In the operational position, each pressure member holds a respective upper container flap against a lower container flap while an interposed adhesive sets. More specifically, with the at least one pressure member pushing upon the upper flaps, both the container and the at least one pressure member are forced to move in unison along a manufacturing line while the at least one pressure member applies pressure on the upper flaps as the adhesive sets to seal the upper flaps to the lower flaps and close the upper opening.

Abstract: A system and method for unwrapping round modules is disclosed. Specifically, a method for unwrapping a round module is disclosed. The method comprises supporting a round module wrapped in a module wrapper on a tilting module feeder having a tilting module feeder first side and a tilting module feeder second side, cutting the module wrapper substantially horizontally from a round module first side to a round module second side, and applying tension to a module wrapper top flap.

Abstract: A cable bundling device includes a cable positioning and a wrapping mechanism. The cable positioning mechanism includes a first clamping member and a second clamping member, which are set in a working zone. The first and second clamping members function to respectively clamp ends of a cable. One of the wrapping mechanism and the cable positioning mechanism is selectively rotatable to have the bundling material loaded in the wrapping mechanism wrapped around the cable.

Abstract: A boot assembly and method that simulates in a static equine animal (stalled or hauled) the natural mechanical action of walking, or other gaited exercises. The assembly has a boot, containing a pad that is fitted with a pulsing means of expanding and contracting against the underside of an equine hoof. Pressuring and relaxing the pulsing means in the bottom of the boot rhythmically pushes against the sole and frog in much the same way that the hoof is exercised when the animal is moving. The pulsing action helps stimulate blood flow through the hoof, and is beneficial to shod, injured, and transported horses. The assembly may be fitted on one or more hooves, and may be automated to provide timing and sequencing to simulate different gaits of the animal. The fluid for the pulsing means may be gas or liquid and the liquid may be a coolant for cooling the hoof sole. The boot base may be fitted with a rocker attachment.

Abstract: A filter element (100) according to the invention comprises a filter volume (150) having an inflow side and an outflow side defining an average flow direction. The filter volume (150) has an axis substantially parallel to the average flow direction and further comprising a casing (140) delimiting the outer boundary of the filter volume in the direction of the average flow path. The casing (140) is gas impermeable in radial direction. The filter volume (150) is filled with a filter material (111) comprising fibers, a majority of the fibers (102) at least partially encircle the axis.

Abstract: A filter element, and filter apparatus, include a filter pack, a seal member, and a seal support frame operatively connecting the seal member to the filter pack. The seal support frame includes an annular extension, which is preferably canted at an oblique angle to a longitudinal axis, for supporting the seal member. The seal support frame also preferably includes a first end thereof including the annular extension, and a second end thereof spaced from the first end thereof along the longitudinal axis, with the first and second ends of the seal support frame joined by a hub of the outer peripheral sidewall of the seal support frame to define a cavity within the seal support frame for receiving the filter pack. The first and second ends of the seal support frame, and the filter pack are preferably joined and sealed to one another by a single bead of adhesive.

Abstract: A method of forming a filter unit comprised of a filter element and an encircling peripheral encasement frame to which the filter element is sealed. The frame is moulded in situ by solidification of a liquid, solidifiable moulding composition (e.g. a curable resin or a matter thermoplastic resin that solidifies on cooling) provided around the periphery of the filter element. The method may comprise the steps of: (i) providing a filter element having front and rear faces and a bounding peripheral edge, (ii) locating around the peripheral edge of the element a mould unit which seals against peripheral regions of the front and rear faces and which together with the peripheral edge defines a mould cavity, (iii) filling the mould cavity with a solidifiable, liquid moulding composition, (iv) effecting conversion of the liquid to a solid, and (v) removing the mould thereby producing the filter element.

Abstract: A seed cotton dryer comprises an array of electromagnetic wave energy generators in a cotton gin, a cotton picker/stripper. An appropriate amount of energy is used to evaporate a considerable amount of moisture in the seed cotton without producing enough energy to pop the cotton seeds. Seed cotton dried by wave energy is much easier to separate the cotton seeds and lint from leaves, stems and other plant parts. The seed cotton is preferably transported through the dryer in a conduit having flat sides which reflects the wave energy more efficiently than through a round conduit. Provisions are made to prevent arcing in the transport conduit when extraneous metal pieces are inadvertently mixed with the seed cotton. In some embodiments, heated air from a diesel engine is used to dry crops as they are being harvested.

Abstract: The present invention relates to a grass-collection container for attachment to a lawn mower, wherein said grass-collection container comprises: (a) an open mounting portion, said open mounting portion configured to interface with a grass clipping discharge chute of the lawn mower, and to allow transport therethrough of the grass clippings discharged by the chute; and (b) a bag portion for receiving the grass clippings, said bag portion including discharging means configured to permit discharge of the grass clippings from the bag portion while the grass is being cut by said lawn mower. The present invention also relates to a lawn mower comprising the grass-collection container of the invention and to a new method of mowing grass using the grass-collection container of the invention.

Abstract: A lawn mower is provided wherein mowed grass can be simply discharged from a mower device to the inside of a grass collector, turnover of a traveling body can be simply prevented, and the mowed grass in the grass collector can be simply discharged to a container etc. The lawn mower comprises a mower device mounted on a traveling body provided with right and left rear wheels, a grass collector for collecting the grass mowed by the mower device, a discharge duct for discharging the mowed grass from the mower device to an inside of the grass collector, and a lift mechanism having right and left fixed masts for supporting on the traveling body the grass collector to be lifted up and down. The grass collector is lifted by the lift mechanism to discharge the mowed grass in the grass collector.

Abstract: A wheel-supported frame for an agricultural harvester header having a tongue and a pivotally connected transverse frame, a retractable transport wheel connected to the tongue, and a pivoting mechanism for pivoting one of the supporting wheels approximately 90 degrees to align with the deployed transport wheel. The invention enables the harvester to be easily reconfigured between an operating configuration and a transport configuration. By rotating the transverse frame to align its transverse width with the direction of travel during transport, deploying the transport wheel, and aligning one of the normal support wheels with the transport direction of travel, the harvester is reoriented for transport along its lateral axis. The lateral transport apparatus is easily reconfigured by a single individual and requires no additional equipment beyond that integral to the harvester in order to reconfigure the harvester between transport and operational modes.

Abstract: A reel mower cutting unit having a cutting reel with a horizontal axis is supported by a front roller and a rear roller in a mowing position. A lift arm may raise and lower the cutting reel between a mowing position and a transport position. A pair of gauge wheels are mounted forwardly of the front roller at a front left corner and a right front corner of the unit. If the unit is lowered to a sloped surface, the gauge wheel contacts the surface and prevents the unit from marking or damaging the turf.

Abstract: The invention concerns a method for eliminating leafstalks (P) from a harvested stream in a berry (G) harvesting machine, said method comprising successively the steps of disposing at least a portion of the stream containing leafstalks (P) and berries (G) on a continuous conveyor belt (5) in a longitudinal direction (L2); disposing said portion on a discontinuous conveyor belt (6) longitudinally aligned with said continuous belt, said discontinuous belt having vertical (7) openings with a geometry that is configured for enabling berries (G) to pass through them and to retain leafstalks (P) on said discontinuous belt; eliminating leafstalks (P) remaining on said discontinuous belt. The invention also concerns an extraction conveyor and an elimination system for implementing this method, as well as a berry harvesting machine including such an extraction conveyor or such an elimination system.

Abstract: The abrasion resistance of organic fiber based ropes and cords is increased by a outer woven cover of tapes of high molecular weight and more preferably ultrahigh molecular weight polyethylene

Abstract: A device is proposed for assembling chain components to a chain, wherein at least two chain components include radioactive radiation sources. The device includes a housing, a working channel which extends along a first axis of the housing, a loading unit connected to the working channel and having at least two receiving devices for chain component magazines, wherein at least one receiving device is configured to receive a radiation source magazine, as well as at least one means for ejecting the chain components received from the magazines, and an joining unit for joining chain components. The at least two receiving devices are positioned so that the magazines for chain components received therein are spaced along the first axis and positioned vertically above the working channel.

Abstract: A method for operating a catalytic reforming assembly. The method includes injecting a quantity of oxidizer gas and a quantity of combustion gas into a reformer to form a mixture. The mixture is channeled across a catalyst bed to form a reformate gas stream. A temperature of the catalyst bed is measured using at least one temperature sensor. A level of the oxidizer gas in the reformate stream is measured using at least one oxidizer gas sensor. A health of the catalyst bed is determined based on at least one of a catalyst bed temperature measurement and an oxidizer gas level.

Abstract: A regeneration control system for use with a diesel engine having a diesel particulate filter is provided. This regeneration control system utilizes a wide band oxygen sensor placed in the exhaust stream upstream of a regeneration device, as well as an engine speed sensor, to determine when to initiate the regeneration event, and for controlling the regeneration device to ensure proper regeneration of the diesel particulate filter. The after treatment controller utilizes the percent oxygen signal to calculate or otherwise determine the percentage load at which the diesel engine is operating. This information along with the engine speed information allows the after treatment controller to calculate or otherwise determine exhaust parameters necessary for proper control of the regeneration device.

Abstract: A regeneration disable control system (22) of a vehicle having a power take off device (10) that is run off a motor (12) which is powered by at least one battery (14), and an engine (16) for recharging the at least one battery and for regenerating a diesel particulate filter (20), includes a hybrid controller (18). The hybrid controller (18) sends a signal to an engine controller (21) to indicate whether hybrid-PTO mode is enabled. If the hybrid-PTO mode is enabled, the engine controller (21) determines whether regeneration of the diesel particulate filter (20) is required. If regeneration is required, the engine controller (21) sends a signal to a regeneration inhibitor (30) to disable the engine (16) from initiating a regeneration event.

Abstract: An emissions system for reducing nitrogen oxides in engine exhaust includes an emissions catalyst having an inlet adapted to receive an exhaust from the engine. A fuel tank is adapted to provide fuel for combustion within the engine. A first injector is operable to inject fuel into the exhaust upstream of the catalyst. A second injector is operable to inject supplemental reductant from a supplemental reductant tank into the exhaust upstream of the catalyst. A controller is operable to control the first and second injectors and vary the supply of fuel and supplemental reductant into the exhaust to reduce nitrogen oxides within the exhaust.

Abstract: The present disclosure provides a burner for increasing the temperature of a gas stream, such as an exhaust gas stream, to burn particulate matter and unburnt hydrocarbons within the exhaust gas. As well, by heating or increasing the temperature of the gas stream and combustion products exiting the burner, the gas stream is brought into a condition more suitable for additional treatment to further reduce exhaust gas emissions from the engine. The device includes an outer housing and a series of combustion chambers mounted within the outer housing for increasing and further developing combustion of the incoming gases within the series of combustion chambers. A primary application for the device is for use with diesel engines to burn particulate matter and unburnt hydrocarbons within the diesel emissions and/or act as a heat source for activating diesel particulate filters and/or other catalytic components or devices.

Abstract: The present invention relates to a method for detecting particles and a particle sensor arrangement. More specifically, the present invention relates to a method and arrangement for detecting particles in a gas flow, e.g. from a diesel combustion engine. The method comprises the steps of; forcing a particle build up on a sensor element of a particle sensor arrangement by regulating the sensor element to a second temperature; wherein the second temperature is lower than a first temperature, the first temperature being the gas flow temperature. Additionally is the particle build up detected at the sensor element by means of a detector. The present invention provides for an accurate method and arrangement to detect and thereby measure particles present in a gas flow, e.g. from a combustion engine.

Abstract: A smart exhaust gas flow control apparatus comprises at least a control unit, a solenoid valve, a vacuum auxiliary storage tank, a valve located on an auxiliary exhaust pipe, a sensor set and an operation interface. The control unit receives control commands from the operation interface to control opening and closing of the valve to select an exhaust gas path according to requirements to discharge exhaust gas, thus can avert traffic jam caused by too slow of vehicle speed and can adjust exhaust gas flow amount according to different road conditions.

Abstract: The invention relates to a device for compensating for hydraulic effective pressures in a hydraulic accumulator (9) and a hydraulic actuator (5) of a hydraulic system (11, 13) having a valve arrangement (27) for blocking a connection between the hydraulic actuator (5) and hydraulic accumulator (9) and having a control valve device (11) performing a pressure compensation when a predetermined difference in effective pressures is exceeded.

Abstract: A hydraulic transmission system for a vehicle, the system including: a main pump serving to feed with fluid at least one hydraulic motor for driving a vehicle mover member; an auxiliary pump, the main pump and the auxiliary pump being suitable for being actuated jointly by drive means; and a “bypass” connection between a delivery orifice of the auxiliary pump and an unpressurized reservoir. First constriction means, arranged on the bypass connection, maintain a pump protection pressure in a pump protection portion of the bypass connection; this pressure is applied to the main orifices of the main pump when said pump is actuated but is not delivering, thereby ensuring that the pump is protected.

Abstract: Hydraulic transmission apparatus including a pressurized fluid source and at least one hydraulic motor fed by said pressurized fluid source. The motor has two motor ducts for feed/discharge, and one casing duct. The motor can be operated in assisted mode, in which it generates torque or in unassisted mode in which it does not generate any torque and its pistons are maintained in the retracted position under the effect of the pressure in the casing duct. The apparatus further includes an accumulator suitable for feeding: the motor ducts during a stage of passing from the unassisted mode to the assisted mode in order to facilitate deployment of the pistons; and the casing duct during a stage of passing from the assisted mode to the unassisted mode in order to facilitate retraction of the pistons. This apparatus thus enables the motor to be positively clutched/declutched quickly.

Abstract: A hydraulic control system that includes a controller that controls the accumulator flow rate control valve and a discharge flow rate of the hydraulic pump, wherein the controller: determines a minimum value among an operation demand flow rate to be demanded by an operation amount of hydraulic actuator operating members, a pump flow rate to be determined by a discharge pressure of the hydraulic pump under a constant horsepower control and a maximum flow rate of the hydraulic pump such that the determined minimum value is an actuator supply flow rate to be supplied to the plurality of hydraulic actuators, and controls the discharge flow rate and the accumulator flow rate so as to supply the actuator supply flow rate corresponding to a total flow rate of the discharge flow rate and the accumulator flow rate.