46results about How to "Lower relative altitude" patented technology

A fuel-efficient method for transporting cargo to a desired location via an aircraft. The method comprises determining the weight of the cargo capable of being transported in a single container, selecting a container having a sufficient weight capacity to support the cargo based on the determined weight of the cargo, and filling the selected container with the cargo. The filled container is loaded onto a location on the aircraft beam relative to the aircraft's CG based on the weight of the filled container to stay within the acceptable CG range for the aircraft. The filled containers having the greater weight are positioned on the beam at or adjacent to the aircraft's CG and the filled containers having lower weight are positioned farther from the aircraft's CG. The containers provide strength and rigidity to the beam to sustain the bending and torsional loads in flight.

According to this process, there is supplied to the passengers a first fraction of air enriched in oxygen from independent supply elements, in particular high pressure cylinders (16), during a descent phase of the aircraft between a normal cruising altitude and an intermediate re-routing altitude. There is moreover compressed air taken from a source of compressed air belonging to the aircraft, to produce (in 2) a second fraction of the air enriched in oxygen which is delivered to the passengers, at least during a phase of stabilized flight of the aircraft, adjacent the re-routing altitude, greater than 5,500 meters.

An optical collector with multi-section circular arc relates to an optical collector utilizing solar energy, particularly a linear focusing reflecting type optical collector. The optical collector comprises a receiver (1), a reflector with multi-section circular arc (2) and a bracket (3), wherein the receiver (1) is above the reflector with multi-section circular arc (2) and is in the position ofthe focal line formed by the reflector with multi-section circular arc (2). The bracket (3), under the reflector with multi-section circular arc (2) is for fixing the reflector with multi-section circular arc (2) and extends out a supporting rod from the gap of the reflector with multi-section circular arc (2) to support the receiver (1). By adopting the reflecting type linear optical collector, the problems of the refracting type optical collector, that the cost is high, the size is difficult to amplify, the optical efficiency is limited by index of refraction, etc., can be solved. The reflector with multi-section circular arc instead of the parabolic reflector can obviously decrease the processing difficulty and manufacturing cost and also can decrease the mounting difficulty and promotethe concentrating ratio.

The invention discloses a method for setting up an end-mining and withdrawal roadway for a fully mechanized coal mining face with large mining height. The method is used for improving the coal wall stability and increasing the coal recovery rate at the final end-mining stage on the fully mechanized coal mining face with the large mining height. According to the method, when a coal mining machine is adopted to advance the fully mechanized coal mining face to a position 15 m-25 m away from a stopping line, a roof of the fully mechanized coal mining face is supported with anchor bolts, anchor cables, a metal net and steel wire ropes while the mining height of the fully mechanized coal mining face is reduced, a hydraulic support stops moving when the fully mechanized coal mining face is advanced to a position 3 m-6 m away from the stopping line, the slope of the fully mechanized coal mining face is expanded to the stopping line by the coal mining machine to form the withdrawal roadway which is wider at the upper part and narrower at the lower part, and the coal wall side is step-shaped. The method is applicable to the fully mechanized coal mining face with intense coal wall caving, poor stability and the low coal recovery rate at the final end-mining stage of the fully mechanized coal mining face with the large mining height.

The invention provides a knob-button type electronic shift control mechanism with M+ and M- gears. The electronic shift operation at least including P, R, N, D, M, M+ and M- positions is achieved through combination of a button and a knob, and the required arrangement space of the electronic shift control mechanism is reduced effectively. The mechanism comprises the knob, a knob body, a vertical moving seat, the button and a circuit board component. Through arrangement of the vertical moving seat, the switching operation of an automatic transmission mode and a manual mode can be achieved, andis very convenient.

A propulsion system for a combined aircraft/spacecraft including: a jet engine having a longitudinal axis defined in a direction from a front end at an air intake to a rear end at a jet exhaust: a front end at an air intake to a rear end at the jet exhaust; a rocket engine having a longitudinal axis defined normal to a rear end at a rocket exhaust; a common engine housing having an elongated shape and wherein the jet engine and the rocket engine are configured substantially coaxially and with respective rear ends facing the same direction when the rocket engine is operated.

The embodiment of the invention discloses a package method and a package structure for a fingerprint identification chip. The package method comprises the following steps: providing a substrate; trepanning the substrate to obtain a target hole; fixing the fingerprint identification chip in the target hole, making the third face of the fingerprint identification chip face to the same direction as the first face of the substrate, wherein the third face and the first face are located on the same plane, and the third face is provided with an induction area and a chip bonding pad; welding a substrate bonding pad with the chip bonding pad to form an electric connection, wherein the substrate bonding pad is located on the first face of the substrate; and plastic packaging the fingerprint identification chip. The embodiment of the invention further provides a package structure for the fingerprint identification chip. According to the package method disclosed by the invention, the fingerprint identification chip is embedded in the target hole of the substrate, and the chip bonding pad and the substrate bonding pad are located on the same plane, so the electric interconnection of the chip bonding pad and the substrate bonding pad can be realized by the welding process to reduce the cost, and solve the problem of large occupancy space of the trepanning process.

An altitude simulation assembly for an environmental chamber includes: at least one ambient air inlet; an air compressor downstream of said ambient air inlet for compressing the ambient air; at least one gas separation means downstream of the air compressor for separating the compressed air into hypoxic gas and hyperoxic gas; and, at least one fluid flow control means in fluid communication with the at least one gas separation means, for controlling the flow of hypoxic gas and hyperoxic gas to the environmental chamber. The at least one fluid flow control means is in fluid communication with at least one outlet port for supplying hypoxic gas from the gas separation means to the at least one outlet port, and hyperoxic gas from the gas separation means to the at least one outlet port. The fluid flow control means controls the oxygen concentration of gas to the environmental chamber.

The invention discloses a telescopic belt conveyor. The conveyor comprises a telescopic machine frame and a driving device, wherein a telescopic section at the outermost side in the stretching state of the telescopic belt conveyor is a front-end telescopic section; the front end telescopic section is composed of two sections of telescopic joints, wherein one end of the first telescopic joint is connected with the second telescopic joint through a rotation supporting mechanism, and the other end of the first telescopic joint is nested in the telescopic section of the next section; and the second telescopic joint is longitudinally rotated around the first telescopic joint, is supported by the rotating supporting mechanism and positioned at a rotating position. The second telescopic joint canrotate downwards around the first telescopic joint, and the relative height of the telescopic machine frame and the ground or the bottom surface of the cargo compartment is reduced, the labor intensity of workers is reduced, meanwhile, accidental injuries possibly caused in the cargo lifting process are avoided; and meanwhile, when the telescopic belt conveyor is not used, the second telescopic joint can be lifted to be in a horizontal position with the first telescopic joint, the second telescopic section is driven by the first telescopic joint to retract into the telescopic section of the next section, and the space is not occupied.

The invention discloses a ground simulation method for a two-phase fluid circuit for a patrol device. The method is to adjust the liquid storage, evaporator and steam pipeline on the basis of maintaining the connection relationship of each part in the two-phase fluid circuit: the storage The cross-sectional area A of the liquid container is increased to 6A; the evaporator is moved up vertically and fixed on the side plate of the patrol device, so that when the control valve is closed, the adjusted liquid level distance of the liquid working medium in the liquid container evaporates In the two-phase fluid circuit, H at the bottom of the receiver is the height of the liquid working medium in the receiver from the bottom of the evaporator before the control valve is opened; keep the length of the steam pipeline, and ensure that the steam on the top plate of the inspector Under the condition that the height of the pipeline from the top plate of the inspector remains unchanged, the part of the steam pipeline is adaptively bent and deformed.

A liftable keyboard for a portable electronic device is provided. The portable electronic device includes a top cover and a base. The liftable keyboard includes a key unit, a membrane switch circuit layer, a vent valve and a pump. The key unit includes a keycap and an elastomer. The vent valve includes an inlet, an outlet and a gas exhaust chamber. The inlet and the outlet are in communication with a gas-inputting port and a gas-outputting port of the membrane switch circuit layer, respectively. The gas exhaust chamber is in communication with the pump. When a sensing element of the base senses that the top cover is close to the base, the pump is enabled to perform a gas-extracting action. The elastomer is subjected to compressed deformation and the keycap is moved downwardly. Consequently, an altitude of the key unit is reduced.

A stand for a drying gun supporting frame includes a body and a socket at 90 degrees to the body. A spherical valve is disposed in the body, and a connecting unit is provided at the top of the body. The socket has a threaded hole at one side to receive a manual screw therein so as to secure a balancing pipe thereat. The spherical valve disposed in the body comprises a ball, washers, a cap and a linking rod. The altitude of the spherical valve is lower than the center of the balancing pipe, which lowers the outlet of the drying gun and provides a steady operation of the drying gun.

Aspects of the disclosure relate to flight termination systems for aerial vehicles having envelopes. For instance, a flight termination system may include one or more heat sources mounted on the top plate and oriented towards envelope material of the envelope. The one or more heat sources may each include a gas generator configured to generate gas of sufficient temperature to melt the envelope material and vent lift gas from the envelope. The flight termination system may also include a drag device arranged at the top plate which may be being configured to provide stability to the envelope during descent.

The invention discloses additive manufacturing smelting equipment, and relates to the technical field of additive manufacturing. The additive manufacturing smelting equipment specifically comprises a bottom box base, a smelting device installed in the middle of the top of a square base plate, an L-shaped baffle installed on the top of the square base plate and located on the back face of the smelting device, a protective top plate installed on the top of the L-shaped baffle, a high-frequency coil installed at the bottom of the protection top plate, a smoke device installed at the top of the protection top plate, a rail limiting plate installed on the right side of the protection top plate, and a lifter installed on the inner wall of an L-shaped baffle and located in an inner cavity of the rail limiting plate. According to the additive manufacturing smelting equipment, the high-frequency coil is arranged to conduct high-frequency eddy current heating on the whole component, heat of a heating part is concentrated, the rapid smelting efficiency of the high-frequency coil is improved, meanwhile, the high-frequency coil can limit the heat dissipation direction, heat is prevented from being transmitted to the components around the smelting device, and the situation that the components are damaged due to thermal fatigue of the components is avoided.

The invention discloses a pension bed with an auxiliary get-up structure and a use method of the pension bed. The pension bed comprises a bed body mechanism, a control mechanism, a supporting mechanism and an air pump, wherein the control mechanism is arranged on the bed body mechanism; the supporting mechanism is arranged at the lower end of the bed body mechanism; and the air pump is installed on one side of the supporting mechanism. The pension bed further comprises adjusting mechanisms capable of assisting old people in getting up and turning, a guardrail mechanism used for protecting thesafety of old people and a power mechanism used for providing power for the adjusting mechanisms. The pension bed is reasonable in structure; the safety of old people on the inner side of the bed canbe effectively protected by using the bed body mechanism and the guardrail mechanism; through the cooperation of the adjusting mechanisms and the power mechanism, the center can be guaranteed when oldpeople lie on the bed, the danger of falling is avoided, and meanwhile, auxiliary body turning force can be provided after old people get up to assist old people in turning; and through the cooperation of the multiple split adjusting mechanisms and the supporting mechanism, the practicability of the pension bed in getup and other adjusting capabilities is improved.

The invention discloses a refrigerating appliance. The refrigerating appliance includes a storeroom (10), a storage device (20) and a supporting device (30), wherein one of the storage device (20) andthe supporting device (30) includes a first supporting part (40) and a second supporting part (50), the other one is provided with guide rails (60), the guide rails (60) include a first rail (61) anda second rail (62), and the second rail (62) inclined downwards is located below the first rail (61) and communicates with the first rail (61); when the storage device (20) is stored in the storeroom(10), the first rail (61) is supported by the first supporting part (40) and the second supporting part (50); and when the storage device (20) is pulled out of the storeroom (10), the first supporting part (40) supports in the second rail (62), and thus the front end of the storage device (20) is inclined downwards. The refrigerating appliance is adopted, and convenience of object fetching and placing of the storage device (20) in the refrigerating appliance (1) can be improved.

The invention discloses a water treatment device with combination of sand filtration and ozonation and activated carbon. The water treatment device at least comprises a first filtering device, a second filtering device and a backwashing pump house, wherein the first filtering device and the second filtering device are respectively communicated with the backwashing pump house; the first filtering device consists of a first sand filtration pool, a first lift pump house, a first ozone contact pool and a first activated carbon filtration pool, the first sand filtration pool is communicated with the first lift pump house by virtue of a water collecting channel and is communicated with the backwashing pump house by virtue of a backwashing pipe gallery, and the first ozone contact pool which is communicated with the first activated carbon filtration pool is respectively communicated with the first lift pump house and the backwashing pump house by virtue of exposed pipelines. According to the water treatment device disclosed by the invention, as the two sets of filtering device share one backwashing pump house, and the sand filtration pool and the ozonation and activated carbon filtration pool are used in a combination mode, the water treatment device has the beneficial effects of good treatment effect, compact structure and long service life of equipment.