52results about How to "Protection pressure" patented technology

Devices, methods and systems for determining one or more properties of at least one fluid sample. A tube configured to receive the at least one fluid sample wherein the tube is placed in a pressure housing. Further, an excitation source configured to generate vibration of the tube whereby a circulation of an electrical current along a portion of the tube is subjected to at least one magnetic field produced by at least one magnet. Further still, at least one vibration sensor that converts vibrations of the tube into a measurement signal. Finally, a processor that receives the measurement signal determines a resonant frequency from the measurement signal using a frequency measuring device to determine a property of the one or more properties of the at least one sample fluid.

Provided is a power semiconductor device including: an insulating substrate; a circuit pattern formed on an upper surface of the insulating substrate; a power semiconductor formed on the circuit pattern; a plurality of metal socket electrode terminals formed perpendicularly to the circuit pattern or the power semiconductor so as to be in conduction with external terminals; an integral resin sleeve in which a plurality of sleeve parts are integrated, the plurality of sleeve parts being fitted with the plurality of metal socket electrode terminals from above the plurality of metal socket electrode terminals and having openings at both ends thereof; and a molding resin covering the insulating substrate, the circuit pattern, the power semiconductor, the electrode terminals, and the integral resin sleeve.

A valve system enables use of a standard single line faucet with a water treatment system, protects water treatment systems and other fluid flow devices from unnecessary fluid pressure, and regulates or prevents fluid flow to a dispenser or outlet in response to a particular event, such as a leak. The valve system includes a housing having ports for: (1) receiving a supply fluid, (2) supplying the fluid to a device, such as a water treatment system, (3) receiving the fluid from the device and (4) supplying fluid to a dispenser. The valve system also includes an automatic shutoff device within the housing that prevents water from flowing into the housing and the water treatment system when the dispensing outlet is closed and that allows water to flow through the housing and into the water treatment system when the outlet is open. The valve system may also include a second actuator connected to the automatic shutoff that is capable of moving the automatic shutoff to a partially or fully closed position.

The invention discloses a compression resisting protection device for industrial forging. The compression resisting protection device for industrial forging comprises a base; supporting columns are symmetrically arranged on the two sides of the base; a controller is arranged on the front surface of the base; alarming devices are symmetrically arranged on the two sides of the top of the base; compression resisting columns are arranged on the top of the base and located between the alarming devices; buffering blocks are arranged on the top of the compression resisting columns; and the tops of the compression resisting columns penetrate through the buffering blocks and extend into the buffering blocks. According to the compression resisting protection device for industrial forging, through usage of the compression resisting columns and compression resisting springs, pressure transmitted by an upper template can be resisted within the certain load, and the base is protected; and through usage of the alarming devices, when the compression resisting columns and the compression resisting springs cannot resist pressure transmitted by the upper template, the operation direction of a motor can be controlled automatically through the controller, and the upper template rises, so that the base is protected, the working efficiency is improved, the maintenance cost is reduced, and the production benefits are increased.

The invention discloses a composition containing inonotus obliquus extract and application of composition, and aims to provide a composition which can form a layer of air breathable film on the surface of skin, effectively reducing the pollutant adhering, enhancing the natural barrier function of skin, effectively resisting irritation, allergy and other problems of outside pollutants to skin; the composition is mainly prepared from, by weight, 10-25 parts of inonotus obliquus extract, 8-20 parts of moringa pterygosperma seed extract, 5-15 parts of Bordeaux leaf extract, 3-10 parts of undaria pinnatifida extract. The composition belongs to the field of cosmetics.

A free point tool comprises an elongated main shaft assembly and a low mass sensor assembly coaxially and slidingly disposed over the elongated main shaft. The low mass sensor assembly is adapted to be supported within the down hole casing by first and second drag spring centralizers coupled respectively to upper and lower ends of the low mass sensor assembly. The low mass sensor assembly comprises a magnetic amplifier sensor disposed in a sensor body and having a variable inductance proportionally responsive to longitudinal and rotational displacement of an adjacent sensor plate portion of a movable sensor sleeve concentric with and enclosing the sensor body, wherein the sensor sleeve is attached to the first drag spring centralizer and the sensor body is attached to the second drag spring centralizer.

A safety device protects a mud pump from an over pressure condition, which can occur during normal operation. The mud pump discharge couples to a high pressure inlet at the bottom of a valve body and the discharge outlet from the valve discharges to the side of the body, ninety degrees to the inlet. In a first aspect, the safety device includes a load piston mounted to a shaft which passes through a pressure chamber cap and connects to a pneumatic cylinder assembly on the top side of the pressure chamber cap. The pneumatic cylinder assembly is operated by a control valve mounted to the base of the cylinder to set the pressure at which the safety device actuates. In a further aspect, the safety device includes a light transmissive indicator cylinder, with a flag therein mounted on a rod coupling the valve to a pneumatic actuator piston, between the actuator piston and the valve.

A hydrostatic starter device (10) for an internal combustion engine (2) having a hydrostatic power unit (11) connected with the output shaft (4) of the internal combustion engine (2) is driven with hydraulic fluid from a hydraulic fluid accumulator (12). The hydrostatic starter device (10) has an electrohydraulic charging device (30) to charge the hydraulic fluid accumulator (12) with hydraulic fluid and the hydrostatic power unit (11) is in a drive connection by a clutch device (25) with the internal combustion engine (2). The hydrostatic power unit (11) can be connected in a drive connection with the internal combustion engine (2) by the clutch device (25).

Provided is a power semiconductor device including: an insulating substrate; a circuit pattern formed on an upper surface of the insulating substrate; a power semiconductor formed on the circuit pattern; a plurality of metal socket electrode terminals formed perpendicularly to the circuit pattern or the power semiconductor so as to be in conduction with external terminals; an integral resin sleeve in which a plurality of sleeve parts are integrated, the plurality of sleeve parts being fitted with the plurality of metal socket electrode terminals from above the plurality of metal socket electrode terminals and having openings at both ends thereof; and a molding resin covering the insulating substrate, the circuit pattern, the power semiconductor, the electrode terminals, and the integral resin sleeve.

The Traveling Camera Apparatus for Surfing is embodied to film and photograph a surfer in motion on a breaking wave. The Traveling Camera Apparatus for Surfing is intended to have a full range of motion with functionality in 6 degrees of freedom and with the ability to operate in and out of the water. The advent for such an apparatus is motivated by the advance of the surfing photography / videography industry. The economic feasibility of the invention is spawned by the advent of wavepools equipped with breaking wave making devices that impart to creating breaking waves for surfing in a controlled environment. In such a wavepool a surfer may travel an entire length of the wavepool as permitted by the propagation of the breaking wave. The Traveling Camera Apparatus for Surfing shall be designed to follow along side the subject and create a multitude of images not possible if the camera were stationary in the wavepool. Some popular and sought after vantage points in the surfing photography industry are obtained when the camera is located directly behind the surfer submerged in the breaking wave and directly adjacent to the surfer where the camera is actually submerged in the water body of the breaking wave. In order to film the motion the surfer over the entire duration of the breaking wave, these camera angles require that the camera actually travel a path across the pool similar to that of the surfer on the breaking wave.

The invention belongs to the field of porous alloy preparation, and particularly discloses a preparation method for a porous NiTi alloy based on selective dissolution and a product. The preparation method comprises the following steps: adding a Gd element into a Ni-Ti binary alloy, based on the characteristic that the Gd element can react with the Ni element but not react with the Ti element, onlyNi-Ti and Ni-Gd phases are generated in the alloy, and then removing the Ni-Gd phases based on selective corrosion by using an acid solution to obtain the porous NiTi alloy with uniform and controllable pores. The method can be used for preparing the porous NiTi alloy with small pore size and uniform distribution, and has the advantages of simple and convenient operation process and lower cost.

A railway tank car including a protective structure for the top of the tank and surrounding a manway or valve mounting nozzle to protect it against damage resulting from the car being overturned even while moving longitudinally. The protective structure may include longitudinally extending generally parallel side plates and a skid structure including longitudinally extending sloping, end portions and providing access to a manway or valve mounting assembly on the top of a nozzle. Openings may be provided in a side wall of the protective structure to give access to valve operating mechanisms extending laterally from valves. A lid for an access opening to a set of valves may include an extension that prevents a valve handle from being moved to open the valve while the lid is closed.

A photoreceptor unit is inserted into an image forming apparatus in the predetermined insertion direction, and includes a photoreceptor, a light-shielding sheet covering a part of the photoreceptor on the front side in the insertion direction; a rigid cover made of resin and provided adjacent to the light-shielding sheet on the rear side in the insertion direction; and a cushioning member interposed between the rigid cover and the photoreceptor. The rigid cover has a length that allows the photoreceptor unit to be gripped at the rigid cover. The light-shielding sheet, the rigid cover and the cushioning member can be removed together from the photoreceptor.

The invention provides a surface treatment method and system for strip steel. The method comprises at least comprises the following steps of: 1) pressurizing high-temperature gas and spraying the pressurized high-temperature gas to the surface of strip steel in an incinerator; 3) brushing the surface of the strip steel for a first time; and 3) brushing the surface of the strip steel for a second time. The surface treatment method provided by the invention effectively removes adhesive substances such as rolling oil and iron powder on the surface of the strip steel, and sufficiently utilizes heat of combustion waste gas of the incinerator, so that a great deal of alkali liquor is not used, and therefore, the surface treatment method is energy-saving and environmentally friendly, and is low in production cost.

The invention relates to the technical field of clamping devices and particularly discloses a device for clamping motorbike parts. The device comprises a rack and a downward pressing mechanism for compressing workpieces, a telescopic air cylinder, a cylinder body and a tube body are fixedly connected to the rack, and a second piston is slidably connected into the cylinder body. The cylinder body is partitioned into an upper cavity and a lower cavity by the second piston, the lower cavity communicates with a discharging pipe, and a pipe opening of the discharging pipe is in threaded connectionwith a spray nozzle. The output end of the telescopic air cylinder is fixedly connected with the second piston, the second piston is rotatably connected with a first rotary shaft, and a sliding blockis fixedly connected to the outer wall of the first rotary shaft. A spiral sliding way matched with the sliding block is formed in the inner wall of the tube body, the interior of the first rotary shaft is of a hollow structure, a plurality of ventilating holes are formed in the first rotary shaft, and a suction cup for sucking the workpeices is connected with the first rotary shaft. The first rotary shaft is in linkage with the downward pressing mechanism. The device for clamping the motorbike parts aims to achieve workpiece stable clamping, the situation that the workpieces skew in positionin the paint spraying process and thus paint spraying fails is avoided, and the paint spraying quality is improved.

The invention discloses a caprolactam pipeline cleaning system and method in the technical field of caprolactam cleaning. The cleaning system comprises a caprolactam pipeline and a cleaning pipe, wherein the caprolactam pipeline comprises a caprolactam feeding pipe, a production pipeline, a heater and a polymerization tower; an outlet of the cleaning pipe is connected with the production pipeline;and an inlet of the cleaning pipe communicates with a steam inlet pipe capable of controlling opening and closing and an inert gas inlet pipe capable of controlling opening and closing. In actual production, problems are discovered, and a new system is made to protect existing equipment; through a controller, a pressure sensor and an overvoltage protecting valve, the pressure in the polymerization tower is preferably controlled; all systems are closed pipe systems, so that the manual flushing of pipelines and equipment is not needed, and the potential safety hazards of scald can be preferablyprevented; the equipment is protected; the risk is reduced; and the potential safety hazards caused by higher voltage are preferably solved.

The invention discloses photovoltaic drive network pressure-superposing (non-negative pressure) variable-frequency water supply equipment and a water supply method, comprising a distributed solar generating system, a photovoltaic water supply scheduling control system, a water pump unit, a non-negative pressure water supply system and a water supply system. The water supply method includes the steps: 1, a solar photovoltaic module converts solar energy into electric energy, a header box collects the electric energy converted by the solar photovoltaic module and delivers the collected electric energy to a distribution box for the purpose of storage, and the distribution box distributes the stored electric energy to the controller; 2, the controller distributes the stored electric energy delivered by the distribution box; 3, when operating, the water pump unit relays to boost water pressure of a municipal tap water supply pipe through fitting of a non-negative pressure flow-stabilizing tank and a negative pressure inhibitor, so that the water is delivered from a building bottom to a high-level water adjusting and storage tank; 4, the high-level water adjusting and storage tank stores part of tap water delivered by the water pump unit, for the purpose of emergency use and directly delivers the other part of the tap water to users for use. The photovoltaic drive network pressure-superposing (non-negative pressure) variable-frequency water supply equipment is energy saving and environment friendly, with application cost greatly lowered.

The invention relates to the technical field of printing drying, in particular to a gravure printing device with the automatic drying function. The gravure printing device comprises a paper collection frame and a printing rack; a drying box is arranged between the paper collection frame and the printing rack, and is connected to the bottom face of the printing rack through a mounting frame, a paper inlet is formed in the side face, close to the printing rack, of the drying box, and a paper outlet is formed in the side face, close to the paper collection frame, of the drying box; a controller and air inlets are arranged on the upper surface of the drying box, fixed rods are arranged at the top end inside the drying box, and a metal heating block is arranged between the two fixed rods; through adding of air blowers, heat generated by the metal heating block is blown away to the surface of paper required to be dried, rapid volatilization of ink on the surface of paper is quickened, the drying effect is achieved, generation of wastes is avoided, and the resource utilization is improved.

The invention belongs to the technical field of medical rubber mats, and particularly relates to a rubber mat for reducing occurrence of pressure sores during use of a non-invasive ventilator. The rubber mat includes a hydrogel layer, a penetration absorbent and buffer layer and a breathable and water barrier layer, one side of the penetration absorbent and buffer layer is closely attached to thehydrogel layer, the other side of the penetration absorbent and buffer layer is closely attached to the breathable and water barrier layer. According to the rubber mat, the rubber mat is prepared in ashape corresponding to a mask and placed in the mask, direct contact between the mask and skin is avoided, because the rubber mat is smooth, soft and good in breathability, pressure of the mask on the skin can be reduced, and free breathing of the skin can also be protected; in addition, the rubber mat can effectively absorb skin secretion, the skin PH value is maintained, the moderate temperature is maintained, and thus the occurrence of the pressure sores is prevented; and the comfort and compliance of patients receiving non-invasive ventilation treatment can be improved.

The invention discloses a traditional Chinese medicine compound composition with effect of relieving mental fatigue. The traditional Chinese medicine compound composition is prepared from the following raw materials in parts by weight: 35 to 65 parts of acer truncatum buge oil nervonic acid, 5 to 9 parts of silybum marianum protein, 15 to 25 parts of rana japonica oil, 3 to 7 parts of radix valerianae officinalis , 2 to 5 parts of flos melissae officinalis, 1 to 3 parts of radix ranunculi ternati, 1 to 3 parts of okra, 1 to 3 parts of purple daisy flower, 1 to 3 parts of chamomile flower and 1to 3 parts of propolis, and is prepared by the following steps of crushing the dried radix valerianae officinalis , flos melissae officinalis, radix ranunculi ternati, okra, purple daisy flower and chamomile flower for further use; heating and dissolving the rana japonica oil and the propolis in preparation equipment, and cooling for 3 to 5min; respectively adding the acer truncatum buge oil nervonic acid, the silybum marianum protein and the powder of radix valerianae officinalis , flos melissae officinalis, radix ranunculi ternati, okra, purple daisy flower and chamomile into the preparation equipment, stirring until completely dispersing, standing in the environment with temperature lower than or equal to 30 DEG C and relative humidity of 45 to 60%, and cooling to normal temperature of18 to 25 DEG C, so as to obtain the composition. The traditional Chinese medicine compound composition has the advantages that the safety and effectivity are realized, the obvious function of relieving mental fatigue is realized, and the functions of regulating central nerves, protecting heart and cerebral vessels, calming stress and the like are realized.

The invention discloses a vehicle driving early warning device. The vehicle driving early warning device comprises mounting cavities formed in two sides of the lower end of the tail portion of a vehicle, the mounting cavities are each internally and separately provided with a mounting plate, side plates arranged symmetrically, an energy absorbing layer, a first steel plate, a connecting piece, a hydraulic cylinder, a second steel plate, an extension spring, a compression spring mounting groove, a compression spring, an aluminum foam layer, foam cotton and a fender. The output ends of the hydraulic cylinders are extended out, the second steel plates are pushed out along the sliding grooves, the impact from the rear of the vehicle is effectively buffered by arranging the foam cotton, the impact is dispersed by arranging the aluminum foam layer, the second plate plays a role of shock absorption by arranging the compression springs, the pressure brought by the impact on the hydraulic cylinders is protected by arranging the extension springs, and the impact can be released by arranging the energy absorbing layers. The vehicle driving early warning device absorbs and releases the pressure through the arrangement of multiple buffer energy absorbing structures, and plays a protective role for a vehicle body.

The invention belongs to the technical field of pavement repair devices, Specifically, the invention relates to an expressway pavement repair device, include a housing, Motor, gear shaft, driven gear,rolling drum, a fixed shaft, a clutch, a transmission shaft, a pattern cam and a perforated steel needle, wherein one end of the rolling drum is rotatably installed on the side wall of the housing through the fixed shaft, a bevel gear is arranged on the other end face of the rolling drum, the upper part of the bevel gear at the end of the rolling drum is meshed with the bevel gear at the lower end of the gear shaft, and the lower part of the bevel gear at the end of the rolling drum is meshed with the driven gear; As that clutch is arrange at one end of the transmission shaft, and uniformly arranging a group of pattern cams on the transmission shaft, The perforated steel heated on the rolling drum is used to punch holes on the damaged pavement, and the pavement is heated at the same time,and the shrinkage can be realized; furthermore, the softened pavement is rolled by the rolling drum, the pavement is leveled, the pavement is repaired quickly, and the smoothness of the expressway isensured.

An adapter for mounting a support device for a stringed instrument, such as a violin or a viola. The adapter may include a first bracket having an area for at least partially encircling the tailpiece button of the stringed instrument, a second bracket, and a connecting device. The first bracket and the second bracket are disposed and connected by the connecting device in such a way that the area of the first bracket at least partially encircling the tailpiece button is in stationary contact with the tailpiece button.

Adapter for mounting a support device for a stringed instrument, in particular for a violin or a viola. The adapter comprises a first component having an area for encircling the tailpiece button of the stringed instrument, a second component and a connecting device. The first component and the second component are disposed and connected by the connecting device in such a way that the area of the first component encircling the tailpiece button is in stationary contact with the tailpiece button.