34results about How to "Increase the occupied volume" patented technology

An apparatus for underwater propulsion. The apparatus may include a hydrofoil, a buoyancy compensator connected to the hydrofoil, a tank containing air, and a controller regulating the passage of air from the tank into the buoyancy compensator. The controller may also regulate the escape of air from the buoyancy compensator. By positioning the hydrofoil underwater and alternating between positive and negative angles of attack, a diver may generate forward propulsion by manipulating the controller to correspondingly alternate the buoyant force produced by the buoyancy compensator between levels below and above neutral buoyancy.

A display device having a display substrate defining an optical waveguide for transporting light carrying pixel information; a chiplet disposed over the display substrate, having a chiplet substrate separate from the display substrate, a photosensor responsive to light from the optical waveguide at the selected control wavelength for providing the pixel information, a selection circuit responsive to the pixel information for providing a control signal, and a drive circuit responsive to the control signal, wherein the chiplet is adapted to receive the transported light; an optical transmitter for transmitting the pixel information from the controller as light at the selected control wavelength into the optical waveguide, and a display optical element located in or over the display area responsive to the drive circuit for providing light.

A pressure control system for a CA room including a bladder and an active displacement control that are operable to control the internal pressure of the CA room through variations in displacement. The system may include a controller configured to vary the displacement of the bladder based on the difference between barometric pressure and CA room internal pressure. The system may control bladder displacement based on the output of a differential pressure sensor that measures the pressure differential between the CA room and barometric pressure, or the output of separate internal and external sensors that separately measure CA room pressure and barometric pressure. The bladder may be an inflatable bladder and the active displacement control may inflate and deflate the bladder to vary its displacement within the CA room. The active displacement control may include an active air supply with a blower that can quickly inflate and deflate the bladder.

An imaging apparatus includes an imaging device, and an optical system configured to image light from an imaging subject on the imaging device. The optical system includes a group of lenses and an aperture diaphragm. When NP point is defined as a point where an extended linear component in an object space of a principal ray located in a Gauss region and selected from among principal rays passing through a center of the aperture diaphragm of the optical system crosses an optical axis of the optical system, D represents a diameter of a lens at the closest side to the imaging subject, and LN represents a distance from a lens surface of the lens at the closest side to the imaging subject to the NP point, a formula; 0≦LN≦D (1) is satisfied.

A solid electrolytic capacitor that includes a capacitor element laminate, a first external electrode, and a second external electrode. The capacitor element laminate includes capacitor elements, cathode lead-out layers, and a sealing body. At least one of the capacitor elements includes an anode foil, dielectric layers, and cathode layers. The first external electrode is connected to the anode foil exposed at the first end surface of the capacitor element laminate. The second external electrode is connected to the cathode lead-out layers exposed at the second end surface of the capacitor element laminate. The sealing body includes a first resin molded body and a second resin molded body. The first resin molded body and the second resin molded body are made of the same insulating material.

A muffler (4) for motor vehicles comprising an intake pipe (8) of the exhaust gases that separates, at a fork (10), into a main pipe (12) and a secondary pipe (16), a muffler body (24) which delimits an expansion volume (28) and houses at least partly the main pipe (12) and the secondary pipe (16), wherein the intake pipe (8) of the exhaust gas is in fluid continuous connection with the main pipe (12) through the secondary pipe (16), and wherein the main pipe (12) comprises, downstream of the fork (10), a throttle valve (32) which allows or prevents a further fluidic connection of the intake pipe (8) of exhaust gas with the main pipe (12), and an output of the exhaust gases (40), for the expulsion of the gases from the muffler pipe (4).

A solid electrolytic capacitor includes: a capacitor element including a sintered compact of a valve action metal, a dielectric layer, an electrolyte layer, and a cathode layer sequentially formed over a surface of the sintered compact, and an anode wire drawn out of the sintered compact; an anode terminal; a cathode terminal; and an exterior resin. The anode terminal includes a mounting portion and an upright portion. The upright portion has a trapezoidal shape. A length of a welding surface corresponding to an edge of the upright portion on the anode wire side is set to be longer than a length of the upright portion on the mounting portion side and to be longer than a width of the anode wire.

The invention discloses a push-rod high-power electromagnetic relay which comprises an electromagnetic system, an insulating hood, a base, a normally closed static contact group, a movable contact group and a normally open static contact group, wherein the normally closed static contact group, the movable contact group and the normally open static contact group are fixedly arranged on the base in a near-far sequence from the electromagnetic system. The electromagnetic relay is characterized in that a first bending part and at least one normally closed static leading pin connected with the first bending part are arranged at the lower end of a normally closed static contact piece; a first clamping groove used for correspondingly clamping the first bending part and a first inserting groove used for correspondingly inserting the normally closed static leading pins are formed in the base; the first bending part is completely clamped into the first clamping groove; the insulating hood is arranged above the first bending part of the static contact piece, and fixedly connected with the base; and first strip groove holes are symmetrically formed on the left side and the right side of the upper part of a movable spring. The electromagnetic relay has the advantages that the load transfer capacity of contact points can be improved to the greatest extent under the condition that a boundary dimension of the electromagnetic relay and mounting dimensions of the leading pins are defined; and a good insulating property and reliable contact of the contact points can be ensured.

A vehicle seat includes: a seat shell; a seat pad disposed on a support surface of the seat shell, the support surface being configured to support a seated occupant; an airbag device held at an outer side of a side portion of the seat shell in its width direction, the airbag device being configured to be deployable on the side of the seated occupant; and a seat cover held taut on the outside of the seat pad. The seat cover covers an outer peripheral surface of the seat pad and an outer peripheral surface of the airbag device. The seat cover comes around behind a rear surface of the seat shell and the seat cover is engaged with the rear surface of the seat shell. The rear surface is on the opposite side of the seat shell from the support surface.

A stator for rotary electric machines is provided, in which a volume occupied by winding portions may be increased and a connecting wire may readily be engaged to prevent from coming off. A plurality of connecting wire engaging hooks 23, with which the connecting wire extending from the winding portion is engaged, are respectively disposed in the vicinity of border portions between a plurality of magnetic pole sections 11 and a yoke 9, corresponding to the magnetic pole sections 11. A mounting location of a connector 29 on a circuit substrate 7 is determined so that all of ends of a plurality of terminal conductors of the connector may be located between adjoining two of the connecting wire engaging hooks 23. With this arrangement, all of the ends 31a of the plurality of terminal conductors 31 may be disposed between adjoining two of a plurality of the winding portions 3, and be spaced from the winding portions 3.

A solid electrolytic capacitor includes: a capacitor element including a sintered compact of a valve action metal, a dielectric layer, an electrolyte layer, and a cathode layer sequentially formed over a surface of the sintered compact, and an anode wire drawn out of the sintered compact; an anode terminal; a cathode terminal; and an exterior resin. The anode terminal includes a mounting portion and an upright portion. The upright portion has a trapezoidal shape. A length of a welding surface corresponding to an edge of the upright portion on the anode wire side is set to be longer than a length of the upright portion on the mounting portion side and to be longer than a width of the anode wire.

The invention relates to a prefabricated sandwich wall panel utilizing loose heat insulating materials and a manufacturing process thereof, belonging to the technical field of building energy-saving materials. The invention aims at the problems of poor thermal insulation effect and poor fire resistance of the sandwich wallboard, changes the internal structure and manufacturing process, optimizes the stress mode of the sandwich wallboard, and has the advantages of light weight, good integrity, high thermal insulation efficiency, It has the advantages of strong fire resistance, durability and good economic benefits. Splice one side of the foam plate and the foam web into one, fill the loose insulation material in the cavity formed by the foam web, splice the other side of the foam plate, and wrap the FRP material on the outer surface of the foam plate and the foam web After the FRP shell is solidified, the fiber braided mesh is laid on both sides of the insulation layer and in the channel reserved to accommodate the cross-shaped web, and the foam web and the fiber braided mesh in the two foam flat plates are connected as one by sewing technology , impregnated with epoxy resin, then poured high-performance concrete, and removed the formwork after 14 days of curing.

A vehicle rubber buffer includes a protective housing, a first reinforcing plate is rotatably connected to a side of the first threaded rod away from the protective housing, a cushion shell is fixedlyconnected with that middle symmetrical positions of the inner walls on both sides of the protective shell, a cushion rubber is fixedly connected to the middle position of the fixed partition plate onthe side far away from the protective shell, the cushioning rubber inner cavity is provided with a cushioning spring, a rubber cushion auxiliary device is slidably connected with the inner surface ofthe cushion chute, a cushion rod is slidably connected with the buffer shell at a middle position on a side far away from the fixed partition plate, and a second reinforcing plate is rotatably connected with a side far away from the protection shell. The invention relates to the technical field of vehicle rubber cushion. The buffer effectively expands the occupying volume of rubber and spring, increases its cushioning performance, ensures its cushioning efficiency, and cushions with multiple structures, reduces the pressure of internal components, and ensures the service life of the device.

The invention discloses a digital waveform testing system and digital waveform generating method of an integrated circuit tester. The method comprises reading and sending a data generating command toa driving chip; setting the bit widths N and depths of FIFOs in a vector waveform generating module and a switch information generating module according to a set transmitter rate and a transmitter bitwidth; causing the set rate Rate to determine the resolution of the waveform data and the switch data as 1 / Rate, causing the data of an N-bit width to represent the data in a N / Rate time length, reading a cycle T and edge positioning information D1 and D2, dividing data in one cycle into T*Rate / N pieces of data to be successively saved in the waveform data; setting the transmitter rate and bit width to be the same, reading the cycle and the edge positioning information D0 and D3, dividing the switch information in one cycle into T*Rate / N d pieces of data to be successively stored in the switch data; while data is written into the FIFO, reading the waveform data and the switch data according to pipeline operation, and sending drive data through the transmitter.

The present invention relates to a dispersion of porous surface modified silica particles including fluid and the porous particles, wherein the maximum fractional occupied volume (Fmax) of the particles in the dispersion is at least about 0.55 as determined from the relationship (I) wherein F is the fractional occupied volume of the solids in the fluid, Fmax is the asymptotic limit (maximum) of fractional occupied volume as the viscosity approaches infinity, b is the intrinsic viscosity, no is the viscosity of the fluid and n is the viscosity of the dispersion.

A method for manufacturing a hollow metal sphere with a mesoporous structure is disclosed, which comprises the following steps: (A) providing a hollow sphere template with a mesoporous structure, wherein the hollow sphere template comprises: a first shell with plural channels penetrating the first shell, the material of the first shell comprises a mesoporous silica material, and the mesoporous silica material has a cubic Ia3d symmetry pore structure; (B) mixing the hollow sphere template with a metal precursor; (C) reducing the metal precursor; and (D) removing the hollow sphere template to obtain a hollow metal sphere with a mesoporous structure. In addition, the present invention also provides a hollow metal sphere with a mesoporous structure prepared by the aforementioned method.

The invention discloses a device and method for strengthening fog droplet evaporation heat transfer, which comprises a liquid storage tank, a controllable flow valve, a centrifugal pump, a booster fan, a feedback thermometer, an electric control cabinet and a heat transfer generator. The heat exchange generator includes a thermal insulation shell, an oscillating atomizing nozzle, a fixed plate and a bionic deflector. The liquid storage tank stores high-temperature liquid, and the liquid inlet pipe of the liquid storage tank guides the high-temperature liquid into the liquid storage tank. wherein, the outlet pipe of the liquid storage tank is connected to the oscillating atomizing nozzle through a centrifugal pump, and the controllable flow valve is arranged on the liquid outlet pipe between the liquid storage tank and the centrifugal pump to control the atomized liquid; The interior of the heat preservation shell is sealed, and the inside of the heat preservation shell is installed with a fixed plate and a bionic deflector in sequence from top to bottom. The bionic deflector is a thin plate with a spiral structure, and the surface of the bionic deflector is a bionic surface. ; The present invention is temperature-controllable, low resistance, fast heat transfer rate, small volume, small footprint and high gas evaporation efficiency.

The invention discloses a portable adhesive tape seat for preventing port curling, which comprises a storage bucket, a locking mechanism is arranged in the middle of the inner cavity of the storage bucket, a through groove is opened in the middle of the top of the storage bucket, and the two sides of the storage bucket are The top of the bucket is provided with a cutting mechanism, and the top of the storage bucket is provided with a guide mechanism. The portable tape seat for preventing port curling adopts a ring-shaped design to place and fix the tape. On the one hand, it will not increase the occupied volume and weight too much, so as to ensure that it is more convenient to use. The blade sliding type is used to cut the tape, so that there will be no local breakage when the tape is torn off next time, which increases the smoothness of use. When cutting, the fracture can be squeezed and fixed, and the extrusion action can be performed at the same time while cutting, which will not cause the tape to rebond and cause the end to be lost in the next use, and it can also avoid the end of the tape from curling after cutting situation arises.

The invention discloses a fuel pump. In a fuel pump, four permanent magnets are installed in a housing. An armature is installed inside the permanent magnets rotatably. Six magnetic pole coil portions of the armature are installed in a central core. Each magnetic pole coil portion has a coil core, a bobbin and a coil formed by winding a winding on the bobbin in a concentrated winding form. Each coil core has an outer region in opposition to the permanent magnet in a direction of revolution, and a board-shaped coil-winding portion extending from the outer region toward the central core. Each bobbin covers the coil core except for the outer surface of the outer region and a convex portion.

The invention discloses a multi-layer thermal insulation material with a heat storage and anti-radiation structure and a preparation method for the multi-layer thermal insulation layer. The thermal insulation material relates to use of a material with a low heat conduction coefficient, a material with high heat capacity and an anti-radiation material, and the causes of heat loss are comprehensively considered from two aspects of conduction and radiation heat transfer, so that the thin-layer thermal-insulation composite material is prepared in a targeted manner according to the heat loss condition. The method comprises the following steps: 1) using a heat storage material; 2) using a hollow material; and 3) using a metal film material. The multi-layer thermal insulation material with the heat storage and anti-radiation structure can preserve heat for various principles for heat transfer, thereofe, a very good thermal insulation effect can be achieved if the material is relatively thin, and especially, the thermal insulation effect is more obvious when the temperature is relatively high.