79results about How to "Equal pressure" patented technology

A replaceable pressure sensor insert adapted for removable connection with an insert carrier. The pressure sensor insert is comprised of a housing defining an exterior and an interior of the housing, a pressure sensor connected with the housing such that the pressure sensor is capable of sensing an ambient pressure at the exterior of the housing and an electronics assembly contained within the interior of the housing and electrically connected with the pressure sensor. In addition, the insert is comprised of a first insert mounting component adapted to be removably connectable with a second insert mounting component associated with the insert carrier in order to facilitate connection and replacement of the insert. Finally, a housing sealing mechanism is provided for sealing the insert relative to the insert carrier and a sensor sealing mechanism is provided for sealing the pressure sensor relative to the housing.

A vehicle suspension control for a vehicle having each wheel (11) supported from the chassis of the vehicle trough a fluid operated extension element (13, 19), the control comprising a controller (27), a plurality of sensors (21, 23, 25, 27, 30, 32), a fluid flow controller (29), a first sensor (21) adapted to sense the relative position between the wheel (11) and the chassis and provide a first output to the controller, a second sensor (23) adapted to sense the pressure of the fluid in each extension element (13, 19) and provide a second output to the controller (27) adapted to receive the output from each of the sensors (21, 23) at each wheel, process the outputs and provide a wheel output to the fluid flow controller (29) for each wheel, the force applied by the extension elements (13, 19) between the chassis and wheels will maintain the attitude of the chassis substantially constant relative to a plane.

A microfluidic system comprising a microchannel (2), a pressurised reservoir (3-5) of fluid and a positive displacement pump (7-9) downstream of the reservoir for pumping the fluid from the reservoir to the microchannel.

The invention discloses a floor mining damage zone multi-section blocking synchronous leakage detection method, which comprises the following steps of: forming a downward drill hole in a roof rock layer from a coal rock roadway, and cleaning the drill hole; installing a detection system, wherein a test probe of the detection system is formed by sequentially connecting a plurality of detection units, and the adjacent detection units are detachably connected through clamp groove joints; conveying the detection system to the initial position of the drill hole by using a drill pipe and a drilling machine in a supply measuring system; using a blocking system to seal the drill hole; using a water injection operation platform to convey a water source at the specific pressure to a water inlet pipe; processing and analyzing the collected data, then, forming a corresponding flow water vector diagram of the test section, and the like. The method provided by the invention has the advantages that the multi-section and synchronous measurement of a floor mining damage zone can be realized; the test section number in one test can be properly increased according to the length of the drill hole; the workload is exponentially reduced; and the measurement precision is improved.

A platform segment for supporting a nozzle guide vane for a gas turbine is provided. The platform segment includes a gas passage surface arranged to be in contact with a streaming gas exhausted from a combustor, wherein the streaming gas streams along the gas passage surface in a streaming direction, a cooling surface, opposite to and thermally connected to the gas passage surface and arranged to be in contact with a cooling fluid, a wall protruding from the cooling surface and extending at least partially in the streaming direction, wherein the wall is arranged circumferentially between positions, at which adjacent guide vanes are to be provided, such that cooling fluid is channeled by the wall for cooling a downstream portion of the cooling surface, and a further wall protruding from the cooling surface and extending at least partially in the streaming direction.

The invention discloses a device for producing a continuous glass fiber fabric thermoplastic laminated pressure plate, which comprises a conveyer, a hot melt case, a hot rolling forming device and a cold rolling forming device arranged and connected in order, the conveyer comprises a conveyer rack, several transport rollers and a first conveying motor, the hot melt case comprises a hot melt case body, several hot melt transport rollers, a second conveying motor and a heating pipe, several hot melt transport rollers and the heating pipe are arranged in the hot melt case body, the second conveying motor is connected to the hot melt transport roller in a transmission mode, a second conveyer belt is arranged on several hot melt transport rollers, the hot rolling forming device comprises a hot rolling mechanism and a belt type plane hot rolling mechanism, the hot rolling mechanism comprises a hot press rack, a heat roller pair and a hot pressing transmission motor, the cold rolling forming device comprises a cold press mechanism and a belt type plane cold rolling mechanism, the cold press mechanism comprises a cold press rack, a cold roller pair and a cold pressing transmission motor, and also comprises a cooling device, the cooling device comprises a refrigeration device, a blower fan and a cold air pipe. The sheet material of the invention has small buckling deformation, and a structure of the sheet material has high strength.

A metal gasket includes at least one structural plate having a sealing bore and bolt holes located around the seal bore. An inner bead is formed on the at least one structural plate to surround the sealing bore. The inner bead has first neighboring portions near the bolt holes and first outer portions outside the first neighboring portions. The first neighboring portion has a compression resistance smaller than that of the first outer portion. An outer bead is formed on the at least one structural plate to surround the inner bead such that the bolt holes are located inside thereof. The outer bead has second neighboring portions near the bolt holes and second outer portions outside the second neighboring portions. The second neighboring portion has a compression resistance greater than that of the second outer portion.

An improved vending machine having a plurality of vertically inclined racks therein for dispensing products is disclosed. Each rack within such vending machine has an open end and closed end, wherein the open end thereof is provided with a mechanical stop or gate having essentially no mechanical moving parts, for control of the dispensing of products from such racks in response to customer demand for product from such rack. In the preferred embodiments of this invention, the mechanical stop or gate is formed of a resilient deformable material (e.g. natural or synthetic rubber or an equivalent elastomer), and includes means for engagement of a complimentary recess or slot at the end of the product dispensing rack. In the preferred embodiments of this invention, more than one stop or gate is provided at the open end of each rack within the vending machine, so as to provide equal pressure to each side of the container within the rack and thus assist in maintaining the proper orientation of the containers within the rack.

A rifle recoil reduction system is presented for reducing a recoil impact of a rifle. The system includes two parallel spaced-apart spring operated piston assemblies mounted between two spaced-apart plates, separated in part to work simultaneously together to provide an equal amount of pressure to the pistons. The pistons preferably have a pre-load of about 250 kg (550 pounds), and can be changed to increase or decrease the pre-load. A recoil pad is included to provide additional relief to the shooter.

In a first process of this method of manufacturing a heat sink, into a groove, formed in a base and both of whose side surfaces are provided with projections or concave portions and whose upper portion is open, from the groove open portion, there is fitted a pipe that has a diameter smaller than the gap between the edge portions of the open portion of the groove. Next, the pipe is pressed from above the open portion of the groove and the upper portion of the pipe is deformed so that it follows the plane of the open portion of the groove, and moreover both side portions of the pipe are deformed so that they follow along the inner surfaces of both side portions of the groove. By this second process, both side portions of the pipe are engaged with the projections or concave portions.

An improved fluid drainage system is comprised of a transfer tubing that includes a secondary axial compartment for the movement of air. This secondary lumen of the transfer tubing includes a gas permeable material which will allow the transport of air, while repelling fluid. The secondary lumen transports air from any section of the transfer tubing to the collection bag, as a means of eliminating and equating pressurized air pockets that can result in flow retardation. The urinary drainage system of the present invention remains a closed system, but with an internal venting system to improve flow distally from the body.

The invention relates to an industrialized production method for wide-breadth plate and it's forming apparatus. The forming apparatus comprises an exit for finished plate, middle clapboard mould wall, mould box, tube core, punching block, material box, fixing frame fitted with hydraulic driving device and a foundation structure, which can be widely used for producing partition board, room boars, floor, irrigation wall-protection board and sound-insulation plate.

A motor case (10) has connectors (30) fixed at motor case mounting holes (11), and an inverter case (50) has connectors (60) radially movable at inverter case mounting holes (65). The inverter case (50) is mounted on the motor case (10) so that the connectors (30, 60) fit together. A surface seal (45) is disposed on a lower surface of a flange (42) at an outer periphery of a housing (35) of the motor-side connectors (30), and is compressed elastically against an upper surface of the motor case (10) at an outer periphery of the motor case mounting holes (11). A metal pressing member (20) is fixed on the motor case (10) and presses the flange (42). An axial seal (47) is fit on the outer periphery of the housing (35) and is compressed elastically between the outer periphery and an inner periphery of the second mounting hole (65).

There is provided an external inline LPG fuel pump, and more particularly, an external inline LPG fuel pump; in which bushings are installed at first and second shafts of a motor to be fixed inside a housing, a ball is completely coupled to an end of the first shaft to prevent the motor from being shaken due to the bushings, and another ball is inserted into an end of the second shaft to fix the motor, thereby preventing the durability of the fuel pump from deteriorating by wear of a bushing part, a pumping part and an inside of the housing even though an LPG fuel is introduced when the motor is driven, prolonging the life of the fuel pump and reducing the repair and exchange costs involved with the fuel pump; in which a case inside which the housing is positioned is formed and a partition is installed inside the case, thereby cooling the high-temperature LPG fuel discharged through an outlet of the housing to reduce heat load and improving the durability of a device receiving the LPG fuel transferred from the fuel pump.

A uniform water distributor with a grooved rotor is characterized by comprising a separator cylinder and a cone disposed within the separator cylinder. The inner wall of the separator cylinder is conical. The top center of the separator tube is connected with an inflow pipe vertically mounted. The cone and the separator cylinder are coaxial; the surface of the cone is close to the inner wall of the separator cylinder; the surface of the cone is provided with a plurality of evenly provided spiral grooves. When water enters the separator cylinder from the inflow pipe, spiral vanes are driven to drive the cone to rotate or the spiral vanes are driven by the cone to rotate, and the water in the inflow pipe is uniformly distributed to multiple outflow pipes; the outflow pipes are guaranteed bearing equal pressures, and uniform water distribution is achieved too; what needs to be noted is that the distributor allows the water to be discharged under high water pressure at high speed.

The invention relates to a bottle washer spray needle frame with spray needles having adjustable hydraulic pressure balance. The bottle washer spray needle frame comprises the spray needles, a needle frame, sealing gaskets and throttling orifices with different bore diameters. The throttling orifices are mounted between connecting surfaces of the spray needles and the needle frame, the sealing gaskets are mounted on the throttling orifices, an outer convex surface of each spray needle is a V-shaped outer conical surface, two symmetric support lugs are arranged at ends of each spray needle, an inner concave surface of the needle frame is a V-shaped inner conical surface, a groove provided with two symmetric notches is arranged at an end of the needle frame, and the convex surface support lugs on the spray needles are aligned to the notches at the upper end of the concave surface of the needle frame and are embedded into the groove on the needle frame. By means of connection of a fastened rapid connector, the spray needles and a support are connected together, the throttling orifices and the sealing gaskets capable of adjusting water pressure are added between the spray needles and the support, spray pressures of the spray needles of a bottle washer are ensured to be approximately equal by adjusting diameters of the throttling orifices, and each bottle can be sufficiently cleaned.

The invention discloses a process for holding down a transformer body. The process is characterized by comprising the following steps that: (1) clamps at the two sides span three phase transformer bodies and are parallel to each other; 2-4 hydraulic cylinders are arranged between the clamp at each side and each phase transformer body in the axial direction; and the hydraulic cylinders arranged on the clamps at the two sides are symmetrical with each other; (2) each hydraulic cylinder is connected with a hydraulic station via a pipeline and an electrical apparatus control system in the hydraulic station is used for unitedly controlling the pressure of each hydraulic cylinder to ensure the three phase transformer bodies to simultaneously bear the same pressure; (3) after the three phase transformer bodies are held down to the design height, the electrical apparatus control system in the hydraulic station is used for maintaining pressure of each hydraulic cylinder; insulating supporting plates are filled in the vacancy of the clamps and the transformer bodies; and the gaps in axial height of the transformer bodies are filled; and (4) finally the electrical apparatus control system in the hydraulic station is used for relieving pressure of each hydraulic cylinder and dismantling the hydraulic cylinders.

The invention relates to a prepressing type water uniform-distribution device, comprising a separating cylinder, wherein the separating cylinder is a conical cylinder, the top center of the separating cylinder is connected with a vertically arranged water inlet pipe, a conical body is arranged inside the separating cylinder, the conical body and the separating cylinder are coaxially arranged, the middle or lower part of the conical body is provided with at least one rotary impeller, the outer edge of each blade of the rotary impeller approaches but does not contact with the inner wall of the separating cylinder, a plurality of equidistant separating slots are formed around the bottom circumference of the separating cylinder, each separating slot is arc-shaped, and moreover, the bottom face or side face of each separating slot is connected with one water outlet pipe. According to the prepressing type water uniform-distribution device in such design, when entering the separating cylinder through the water inlet pipe, water drives the rotary impeller to rotate or drives the conical body to rotate via the rotary blade, in order to uniformly distribute the water in the water inlet pipe to a plurality of the water outlet pipes, and in addition, the pressure borne by each water outlet pipe can be ensured to be the same, that is to say, the uniform distribution of the inlet water is realized.