666 results about "Hydraulic connection" patented technology

An apparatus is provided for completing a blind mate hydraulic connection. A device is equipped at the rear of the device with a shell holding a manifold connected internally to the device cooling system. Clearances between the shell and manifold allow the manifold to rotate in two axes to adapt to a misalignment between the manifold and a rack cooling system. The device is further provided with a cam-handle attached to the front that provides leverage against the rack for overcoming the connection forces of the blind mate. The manifold and cam-handle combine to facilitate disconnecting the device from the rack cooling system from the front of the rack and servicing the device.

A controlled rate of propagation of the fluid saturation front or thermal front is desired in may oil and gas and geothermal operations. Natural fractures and fractures created during hydraulic stimulation may have heterogeneous hydraulic properties resulting in uneven flow distributions, therefore leading to short-circuiting and breakthrough issues. The present invention relates to wellbores connected hydraulically by multiple fracture zones; methods are directed to control for even flow distribution among fractures, regardless of heterogeneities in fracture hydraulic properties, and to control propagation of saturation fronts and thermal fronts in subsurface reservoirs.

The invention discloses a semi-submersible fan-oscillating water column wave energy device integrated device with heaving plates. The semi-submersible fan-oscillating water column wave energy device integrated device comprises floating fan equipment, a central platform, buoys, hydraulic heaving plate connecting rods, an upper-layer permeable heaving plate, a lower-layer non-permeable heaving plate, a control system, a wind speed monitoring sensor and a laser wave surface displacement sensor. The floating fan equipment is arranged at the upper part of the central platform; the buoy is formed by connecting a permeable protective cover, a hydraulic connecting rod, an OWC device, an air pressure enhancing device, an internal supporting rod, a telescopic supporting plate and a pneumatic turbine. The upper-layer permeable heaving plate and the lower-layer non-permeable heaving plate are connected to the bottom of the buoy through the hydraulic heaving plate connecting rod; the control system is positioned in the lower horizontal plate of the central platform; the wind speed monitoring sensor and the laser wave surface displacement sensor are arranged on a stand column of fan equipment. The fan operation efficiency and the system reliability are improved, the whole life cycle cost is effectively reduced, and good durability and maintainability are achieved.

The invention discloses a reservoir group multi-target collaborative scheduling method, device and equipment, a medium and a product, and relates to the field of reservoir group joint scheduling. Firstly, according to the geographic position, the engineering characteristic and the drainage basin requirement of the reservoir group, the core function level and the cooperation relation of the reservoir group in a target task are determined, and the flood prevention and drought resistance role of the reservoir group is positioned; performing spatial hierarchy division and scheduling topological relation abstraction on the reservoir group, and constructing a scheduling topological structure of multi-target collaborative scheduling of the reservoir group; constructing a reservoir group spatial topological relation graph based on the real hydraulic connection of the reservoir group; determining a multi-target simulation scheduling flow of the reservoir group according to the flood prevention and drought resistance role of the reservoir group, the scheduling topological structure and the spatial topological relation graph of the reservoir group; and performing hydraulic state transfer simulation according to the multi-target simulation scheduling process, determining a hydraulic state matrix and a combined scheduling scheme meeting multi-target cooperation, and performing reservoir group cooperative scheduling according to the hydraulic state matrix and the combined scheduling scheme, so that the overall benefit can be maximized.

Disclosed is a steering-support system for facilitating manual steering of a marine vessel comprising motors and independent manual throttle and shift control units, rudders and manual rudder-steering means mechanically and / or hydraulically connected to the rudders for direct rudder-angle control. The steering-support system comprises electronic rudder-angle reset means connected to at least one automated rudder drive unit, which, when activated, disables use of the manual rudder-steering means and automatically controls the rudder drive unit to steer the rudders from any current off-center position to a mid position at which the rudders are parallel to a longitudinal axis of the vessel and to block the rudders at this mid position, thereby enabling steering of the marine vessel solely by the manual throttle and shift control units in absence of rudder influence on steering.

The invention relates to a braking and / or clamping device which has at least one pneumatic or hydraulic connection and which comprises a ring-shaped casing surrounding an axially oriented rod receiving part, the casing having a bottom part and a cover part, and at least one ring-shaped pressure chamber is arranged inside the casing. The pressure chamber is delimited in the axial direction by at least one axially movable piston. The pressure chamber is delimited in the radial direction by an outer wall of the casing and by at least one inner ring surrounding an inner wall of the casing having at least one inner wall section. A disk element is arranged in the casing on an axially oriented upper piston surface facing away from the pressure chamber, the piston upper surface resting against the disk element or being restable against it or being fixed. The inner wall section protrudes and is arranged in the cover part or in the bottom part of the casing. According to the invention, a braking and / or clamping device is developed which has a small stroke and is highly accurate and reacts quickly.

A system includes a casing internally defining a filtering cavity and having an inlet leading into the filtering cavity and configured to be hydraulically connected downstream of a discharge pump and to receive a fluid containing microplastics. The casing also has an outlet configured to deliver the fluid contained in the filtering cavity, from which the microplastics have been substantially removed. A filtering assembly contained in the filtering cavity is crossed by the fluid entering the casing through the inlet and exiting through the outlet, thus internally trapping the microplastics. A compacting assembly is situated in the filtering cavity and configured for collecting and compacting the solid particles trapped by the filtering assembly. A pre-filtering assembly is configured to be fluidically connected upstream of a discharge pump to trap any foreign bodies that may be present in the microplastic-containing fluid.

A hydraulic torque wrench comprises a ratchet link, a power head, and a signal carrying connector for connection to a controller. The ratchet link includes a housing and a drive plate mounted for rotation about an axis within the housing, the drive plate mounting one part of a first part of a ratchet drive. A socket is mounted for rotation within the housing, the socket providing a second part of the ratchet drive. During rotation of the drive plate in one direction the first and second part of the ratchet drive engage each other to cause rotation of the socket with the drive plate and during rotation of the drive plate in a second direction one of the first and second parts of the ratchet drive rides over the other such that the socket remains stationary while the drive plate rotates. The power head includes a piston and cylinder and hydraulic connections adapted for connection to a source of pressurised hydraulic fluid. The torque wrench mounts a proximity sensor connected to the signal carrying connector and configured to detect maximum extension of the piston. When maximum extension of the piston is detected the proximity sensor emits an electrical signal.

A brake system includes two brake circuits having brake circuit lines for two vehicle axles and at least one hydraulic wheel brake in each brake circuit. Each wheel brake is connectable to a corresponding brake circuit or brake circuit line via a paired switch valve for pressure build-up and release in the wheel brake using a pressure supply device that can build up pressure in both brake circuits. At least one circuit separating valve blocks or releases a hydraulic connection line connecting the two brake circuits. At least one outlet valve connects an accumulator container to at least one brake circuit to release pressure. A master cylinder having only one working chamber is actuable by a brake pedal. The working chamber is connectable to the brake circuit line of a brake circuit. A switch valve is used to close or release the hydraulic line.

An auxiliary hydraulic system including an accumulator, a control valve, and a hydraulic connector. The accumulator connects to a primary hydraulic system including a hydraulic pump, a brake circuit, and a steering circuit. The control valve selectively allows or prevents flow from an accumulator to at least one of the brake circuit and the steering circuit. The hydraulic connector selectively connects an external source to the accumulator and the control valve.

The invention discloses a cross-domain water engineering group multi-target collaborative scheduling method and system, and the method comprises the following steps: S1, collecting the parameter information of a cross-domain water engineering group, and constructing a cross-domain water engineering group multi-target scheduling model based on the collected parameter information; s2, building a multi-target scheduling model based on a cross-domain water engineering group, and solving an optimal scheduling scheme of the water engineering group by using a multi-population cooperation search method; and S3, outputting an optimal scheduling scheme. Belongs to the field of water engineering optimization scheduling, and by adopting the cross-domain water engineering group multi-target collaborative scheduling method and system, the complex hydraulic relation is considered, and the optimal configuration of water resources under different operation conditions is ensured by comprehensively analyzing the hydraulic relation between the water engineering groups and the scheduling strategy of each water engineering.

Carbon Dioxide Capture System in Carbon Dioxide-Laden Gas The present invention relates to a carbon dioxide capture system (1), comprising a first heat exchanger (4a) and a second heat exchanger (4b), each of the heat exchangers (4) comprising a chamber (14), a first pass (12a) and a second pass (12b), the first heat exchanger (4a) and the second heat exchanger (4b) being configured to operate according to a first operating mode and a second operating mode, the capture system (1) comprising control means (5) configured to operate an alternation between the first operating mode and the second operating mode, characterized in that the capture system (1) comprises a drain device (21) hydraulically connected to the first pass and / or the second pass. (Figure 1)

A vehicle can include an assembly, a body, a first connection point, and a second connection point. The first connection point can be disposed on a surface of the body. The first connection point can receive a first element of the assembly. The first connection point can couple the first element with the body to provide structural support to at least one of the assembly or the body. The second connection point can be disposed on the surface of the body. The second connection point can be adjacent to the first connection point. The second connection point can receive a second element of the assembly that is configured to provide an electrical connection or a hydraulic connection between the body and the assembly.

A braking and / or clamping device includes an annular housing which has a pneumatic or hydraulic connection and surrounds an axially oriented rod receptacle. The housing has a base part and a cover part. An annular pressure chamber is disposed within the housing. The pressure chamber is axially delimited by a piston which is movable in the axial direction. The pressure chamber is radially delimited by the outer walls of the housing and by an inner ring which surrounds an inner wall of the housing. The inner wall has an inner wall portion. In the housing, a disc element is disposed on the piston top face, which faces away from the pressure chamber and is axially oriented. The piston top face is seated against or fastened to the disc element. The inner wall portion is protrudingly located in a cover part or in a base part of the housing.

An electric drive for a vehicle comprises: an electric machine, a stator connected to a housing and comprising stator end-windings, a rotor rotatable relative to the stator, and a driveshaft connected to the rotor; a transmission to transmit a rotary movement from the driveshaft to a driveline; a sump containing fluid to cool and / or lubricate the electric machine and the transmission; a hydraulic arrangement comprising at least one bi-directional pump, a first suction line hydraulically connected with the pump, a stator path for cooling the stator, a second suction line connected with the pump, and a transmission path for cooling the transmission; a valve arrangement with multiple valves configured such that fluid is either supplied from the sump through the first suction line to the stator path, or through the second suction line to the transmission path.

An electrohydraulic brake control device (200) for a motor vehicle for at least four hydraulically actuatable wheel brakes (8a-8d), said brake control device comprising an electrically actuatable pressure source (2), an electrically actuatable inlet valve (6a-6d) for each wheel brake, an electrically actuatable outlet valve (7a-7d) for each wheel brake, and a brake supply line (13), to which the at least four inlet valves (6a-6d) are connected, wherein an electrically actuatable circuit separation valve (40) is arranged in the brake supply line (13) in such a way that, when the circuit separation valve (40) is closed, the brake supply line (13) is hydraulically separated into a first line section (13a) and a second line section (13b), wherein the brake control device (200) comprises at least four hydraulic wheel ports (9a-9d) for connection to the wheel brakes (8a-8d), wherein the brake control device (200) comprises a first hydraulic port (62) for connection to a pressure medium reservoir (4) and a second hydraulic port (61) for connecting a further pressure source (5) to the brake control device (200), wherein the first line section (13a) of the brake supply line (13) is hydraulically connected to the electrically actuatable pressure source (2) and at least two of the at least four inlet valves (6a, 6b), and the second line section (13b) of the brake supply line (13) is hydraulically connected to the second hydraulic port (61) and the other of the at least four inlet valves (6c, 6d), and a brake system for a motor vehicle comprising such a brake control device (200).

The invention discloses a self-adaptive adjustment strip tillage machine, and belongs to the technical field of agricultural machinery. The strip tillage machine comprises a rack assembly, and a subsoiler assembly, a strip tillage assembly, a pressing assembly and a hydraulic source assembly are arranged on the rack assembly; at least one subsoiler assembly is provided with a soil moisture content detection device, the signal output end of the soil moisture content detection device is connected with a controller, the pressing assembly comprises a pressing roller frame hinged to the rack assembly, a pressing roller is installed on the pressing roller frame, a hydraulic motor is connected to the pressing roller, and a hydraulic position adjusting assembly is connected between the pressing roller frame and the rack assembly. The output end of the controller is electrically connected with the hydraulic source assembly, and the hydraulic source assembly is in hydraulic connection with the hydraulic position adjusting assembly and the hydraulic motor. The soil moisture content detection device can automatically detect the water content of soil, converts the water content of the soil into an electric signal and transmits the electric signal to the controller, and the controller can adjust the pressing force of the pressing assembly and the rotating speed of the pressing roller according to the water content of the soil.

The utility model relates to the field of electric power connection accessories, and provides an overhead conductor drainage wire connecting device, comprising a wire clamp main body which comprises a first connecting part and a pair of first hydraulic type terminals located at two ends of the first connecting part, and the pair of first hydraulic type terminals are provided with first wire pressing holes arranged along the axial direction of the first hydraulic type terminals; and the drainage wire clamp comprises a second connecting part and a second hydraulic terminal which are connected with each other, the second hydraulic terminal is provided with a second wire pressing hole arranged along the axial direction of the second hydraulic terminal, and the second connecting part is connected with the first connecting part through a bolt. During installation, the first connecting part and the second connecting part are connected, the wire in the main wire direction is hydraulically connected into the first wire pressing holes in the two ends of the first connecting part, the wire in the branch direction is hydraulically connected into the second wire pressing holes in the end of the second connecting part, and therefore the wires are fixed in a hydraulic connection mode, connection is stable and reliable, and safety is high; and the contact resistance can be reduced and the electric energy loss is reduced.

The invention discloses a treatment method for ballast railway expansive rock-soil roadbed frost boiling and mud pumping. The treatment method comprises the steps that foundation bed soil texture expansion potentials are graded according to clay component and content test data; calculating the average annual precipitation; investigating subgrade frost boiling degree, and performing statistical analysis to determine the basic characteristics of frost boiling; determining the drainage blocking degree; investigating rail surface abrasion, direction and height change conditions of the steel rail and triangular pits, and determining the state of the steel rail; according to a calculation result, performing grade division on the frost boiling and mud rising diseases; and according to the grade of the mud pumping disease, determining a corresponding toughness rapid-rising strength anti-seepage waterproof protective layer and a specific treatment scheme. According to the construction method of the foundation bed surface layer toughness rapid strength anti-seepage protection layer, the overall strength of the foundation bed surface layer is improved, the hydraulic connection between atmospheric precipitation and hydrophilic minerals of a rock-soil body of the foundation bed surface layer is blocked, a toughness water-resisting layer with certain strength is rapidly formed, and the construction method is suitable for rapid construction of an existing running railway line; and the disease is radically treated from the source of frost boiling and mud rising of the roadbed.

The application relates to the technical field of ecological pig breeding, and through the structural setting of a breeding component, ecological pig breeding work is facilitated; a third control motor controls the rotation of a conducting belt, ecological pigs can move, stains are transmitted through the conducting belt, can be guided to the guide and discharge pipe and the grid guide and discharge seat for guiding and discharging, a pressurizing control seat controls the extension and retraction adjustment of a scraper through a hydraulic connection seat, so that the scraper can contact the conducting belt to clean the surface of the conducting belt, and an electric control hydraulic telescopic rod changes the height of a support rack through extension and retraction, so that the support rack drives the bottom supporting plate to move, so that the conducting belt, the fixed side block and the third control motor can move in coordination, facilitating maintenance work; through the structural setting of a massage processing component, ecological pig massage work is facilitated; a massage sleeve rod rotates on a bearing seat through a rotating control rod, can contact the ecological pigs to massage the ecological pigs.

The invention relates to the field of seedling transplanting devices, and discloses a seedling transplanting device for forestry planting, which comprises a main frame body, turntables are fixedly connected to the upper sides of the left and right parts of the middle section of the main frame body, a seedling planting mechanism is arranged in the middle of the main frame body, and a soil gathering mechanism is fixedly connected to the middle of the rear end of the main frame body. The lower side of the front end of the main frame body is fixedly connected with two ploughing columns, and the rear sides of the upper ends of the ploughing columns are rotationally connected with guide cylinders. According to the seedling transplanting device, through cooperation of the main frame body, the seedling planting mechanism, the ploughing column, the electric push rod, the guide cylinder, the rotating disc and the seedling outlet, the problems that a large amount of manpower needs to be consumed and the transplanting efficiency is low when seedling transplanting is conducted manually are solved, and through cooperation of a soil gathering mechanism, a telescopic rod, a soil stacking plate, a hydraulic connecting rod and a ridge dividing plate, the seedling transplanting efficiency is improved. The problems that manpower consumed by pit filling and seed burying is large, the pit filling and seed burying effect may be reduced after workers are tired, and the seedling transplanting survival rate is not ideal are solved.

The invention belongs to the field of engineering machinery, and discloses a forklift loader and a fork hydraulic system.The fork hydraulic system comprises a first oil cylinder and a second oil cylinder, rod cavities between the first oil cylinder and the second oil cylinder are communicated with each other, a rodless cavity of the first oil cylinder is connected with a first sidesway working oil way, and a rodless cavity of the second oil cylinder is connected with a second sidesway working oil way. A rodless cavity of the second oil cylinder is connected with a second lateral displacement working oil way; and a multi-way valve to which the first side shift working oil path and the second side shift working oil path are hydraulically connected. The two oil cylinders can be driven to generate synchronous transverse movement on the opposite sides, and therefore synchronous lateral movement hydraulic driving is achieved. The distance between the fork knives of the pallet fork is adjusted in a non-manual mode, goods can be conveniently taken by the pallet fork, the left-right position adjustment of heavy goods loaded by the pallet fork on the pallet fork portal frame can be achieved, and the heavy goods can be conveniently and accurately stacked.

A braking system for a motor vehicle for actuating hydraulically actuated wheel brakes, comprising electrically actuated inlet and outlet valves for each wheel brake, a first and a second electrically actuated pressure source, and a reservoir, wherein the first pressure source is hydraulically connected on the pressure side to the inlet valves of a first brake circuit via a first isolating valve, and is additionally hydraulically connected on the pressure side to the inlet valves of a second brake circuit via a second isolating valve, wherein the second pressure source comprises a first and a second pressure outlet, wherein the first pressure outlet is hydraulically connected to the inlet valves of the first brake circuit, and the second pressure outlet is hydraulically connected to the inlet valves of the second brake circuit, wherein the reservoir comprises a first chamber, a second chamber, and a third chamber,wherein the first pressure source is hydraulically connected to the first chamber on the suction side, wherein a first suction inlet of the second pressure source is hydraulically connected to the second chamber, and wherein a second suction inlet of the second pressure source is hydraulically connected to the third chamber, wherein the outlet valves of the first brake circuit are hydraulically connected to the second chamber, and the outlet valves of the second brake circuit are hydraulically connected to the third chamber.

The invention relates to an electrohydraulic steering system (1a) for a vehicle, comprising a steering angle sensor (150), a steering control device (29) that is signal-connected to the steering angle sensor (150), a steering cylinder (75) that is connected to one or more wheels (70) of the vehicle, and a steering unit (50) that is mechanically connected to the steering control device (29) and hydraulically connected to the steering cylinder (75). The steering control device (29) comprises an electric actuator (29a) that is configured to actuate the steering unit (50) based on a steering angle setpoint received from the steering angle sensor (150) in order to adjust a steering angle of the vehicle.

The invention relates to the technical field of hydrogeological exploration, and discloses a same-hole different-diameter water pumping test device for multi-aquifer hydraulic connection exploration, the same-hole different-diameter water pumping test device comprises a shell and a detector, the detector is hung in the shell, the upper side of the shell is internally provided with a water inlet, and the shell is internally provided with a buckle mechanism; the buckle mechanism comprises a fixing plate, an extrusion ring is connected to the outer portion of the fixing plate in a clamped mode, a connecting pipe is fixedly connected to the interior of the extrusion ring, a clamping groove is formed in the extrusion ring, a rotating column is rotationally connected to the interior of the fixing plate, a clamping plate is fixedly connected to the outer portion of the rotating column, and a first spring is arranged on the upper surface of the clamping plate. A second spring is arranged on the lower surface of the clamping plate. The buckling mechanism is not affected by moisture, fixing failure or device damage caused by environmental change of the water absorption expansion material is avoided, firm and stable connection between the extrusion ring and the shell is ensured, and the reliability of hydraulic connection exploration data of multiple aquifers is improved.

Please replace the abstract of record with the following replacement abstract:A hydraulic group for connecting the hydraulic circuit on board an operating machine to the hydraulic circuit of a utility with an improved decompression system includes a “pull” type decompression system, which it can be operated, by the pulling or the rotating and pulling by an operator of a shaped stem, a decompression cartridge, so that single couplings can be inserted into the manifold of the hydraulic group.

A robot has a body, a hydraulic control system physically coupled to the body, and a hydraulically-actuated component physically coupled to the body. The hydraulically-actuated component is hydraulically coupled to the hydraulic control system by a hydraulic hose. The hydraulic hose has a length, at least a portion of which extends from a first end to a second end, and a diameter, wherein the diameter of the hydraulic hose at both the first end and the second end is a first diameter, and wherein the at least a portion of the length includes a tapered section in which the diameter of the hydraulic hose decreases, continuously and monotonically, to a second diameter, the second diameter being less than the first diameter. The body includes a restricted region through which the hydraulic hose passes in traversing a path between the hydraulic control system and the hydraulically-actuated component.

A measurement apparatus is disclosed for connection to an end of a cable (1) having at least one of: at least one electrically conductive core (11) for carrying electrical current and / or electrical signals along the cable; at least one electromagnetic waveguide (12) for carrying electromagnetic signals along the cable; and at least one bore (13) for conveying a fluid along the cable. The measurement apparatus comprises: connection means (4) for connecting to the end in an above-water or out-of-water environment to make at least one of: at least one respective electrical connection (41) to at least one core, at least one respective waveguide connection (42) to at least one waveguide for sending an electromagnetic signal along the waveguide, and at least one respective fluid or hydraulic connection (43) to at least one bore; and measuring means (5) connected to the connection means and operable to perform at least one measurement, via the connection means, on a connected cable. The measurement apparatus is deployable, when connected to an end of the cable, with the cable end to an underwater location for a period of time, and recoverable with the connected cable end after the period of time to an above-water or out-of-water location. The measuring means is operable to perform the measurement(s) while the measurement apparatus is connected to the cable end and at least while submerged with the connected cable end and / or after recovery with the connected cable end from the underwater location to the above-water or out-of-water location.

The application discloses a rock drill and a control system thereof. The control system is used for controlling a drill bit of the rock drill. The control system comprises an impact oil cylinder, a propelling oil cylinder, an impact control valve, a propelling sensor and a controller. The controller is electrically connected to the propelling sensor. The impact control valve is hydraulically connected to the impact oil cylinder. The controller is electrically connected to the impact control valve to obtain a flow of an oil circuit of the impact oil cylinder which is matched with a pressure of an oil circuit of the propelling oil cylinder when the pressure of the oil circuit of the propelling oil cylinder detected by the propelling sensor changes. The rock drill and the control system thereof have the beneficial effect that the impact frequency of the impact oil cylinder is matched with the pressure of the oil circuit of the propelling oil cylinder.

The invention relates to an electric machine (1) having a rotor (3), a stator (2), a plurality of winding elements (5) in the form of hollow conductors, which form individual coils of a winding (4) of the electric machine (1) and are each part of a cooling circuit of the electric machine (1), and having a plurality of external phase terminals (L1-L3) electrically connected to the winding elements (5). According to the invention, a hydraulic connection portion (15) to which the winding elements (5) are hydraulically connected and a seal (27) having a plurality of through-openings (28) in which the ends (8) of the winding elements (5) are each arranged are provided, wherein the hydraulic connection portion (15) and the seal (27) have opposite surfaces (29, 30) which overlap one another in order to seal the individual connections of the winding elements (5) at the hydraulic connection portion (15).