33results about How to "Relatively compact" patented technology

A thermoacoustic refrigerator having a relatively small size which utilizes one or more piezoelectric drivers to generate high frequency sound within a resonator at a frequency of between about 4000 Hz and ultrasonic frequencies. The interaction of the high frequency sound with one or more stacks create a temperature gradient across the stack which is conducted through a pair of heat exchangers located on opposite sides of each stack. The stack is comprised of an open-celled material that allows axial, radial, and azimuthal resonance modes of the resonator within the stack resulting in enhanced cooling power of the thermoacoustic refrigerator.

System for feeding empty containers on a conveyor belt, namely for packaging installations, such as bottling plants. The system for feeding containers comprises a supporting surface having dimensions sufficient to accommodate a multitude of empty containers placed side by side. This supporting surface continuously moves the containers against an abutment wall. The movement of the supporting surface causes empty containers to agglomerate against the abutment wall. A pushing device is provided to selectively push out from the containers agglomeration a number of containers over a secondary conveyor belt that will lead those containers to successive processing stations, such as a filling station, capping station, labeling station etc. The pushing device is mounted relative to the supporting surface such that it moves generally parallel to the abutment wall. The movement of the pushing device pushes out of the agglomeration a row of containers that are maintained in a serial order during this movement by the abutment wall on one hand and the rest of the empty containers on the other hand.

A turbomachine arranged with a rotor and a stator, including radial positioning means ensuring that the rotor is radially position; and a contactless axial balancing device arranged on at least one bladed wheel for axially balancing the rotor at high speed. The turbomachine includes a thrust bearing distinct from the radial positioning means serving to balance the rotor axially at low speed, and without contact at high speed. In addition, the radial positioning means are hydrostatic bearings, the turbomachine including hydrostatic bearing feed circuits suitable for connecting said bearings to a source of fluid under pressure. As a result, it is possible to obtain operation at high speeds with a very long lifetime.

An imaging lens includes, in order from the object side: a first lens component of negative refractive power with two aspheric surfaces including a concave surface near the optical axis on the image-side; a second lens component of positive refractive power with a convex surface on the object side; a third lens component having positive refractive power and including lens elements having positive and negative refractive powers; and a fourth lens component having an aspheric surface on the image side that is convex near the optical axis and is concave at the periphery. The imaging lens satisfies a specified condition to assure a sufficient back focus for insertion of additional optical elements, a sufficiently small imaging lens diameter, and favorable correction of aberrations. The imaging lens has a wide picture angle, consists of only 5 lens elements in the disclosed embodiments, and is particularly suited for a text imaging camera.

A drive unit includes an engine, a generator, an electric motor and a power distributing device. The engine drives the generator to generate electric power. The electric motor is driven by the electric power generated by the generator and rotates a drive wheel. The power distributing device distributes the drive power generated by the engine between the generator and the drive wheel. A crankshaft of the engine can extend in a transverse direction of the vehicle. The generator, the motor and the power distributing device are disposed on a shaft, which is different from the crankshaft and extends substantially parallel to the crankshaft. The power of the engine and the drive force of the motor are output from a portion of the shaft through the power distributing device and the rotor of the motor.

The invention discloses an electric folding tricycle, which comprises an electric driving system, a brake system, a front wheel steering mechanism, a back vehicle frame and a seat cushion support pipe, wherein the front wheel steering mechanism is provided with a front wheel; the back vehicle frame is provided with back wheels; the seat cushion support pipe is provided with a seat cushion and can be turned relative to the back vehicle frame; two parallel connecting rods are connected onto the front wheel steering mechanism through a pivot; a first electric driving mechanism used for driving a connecting rod to rotate is arranged between the front wheel steering mechanism and the connecting rod; the two connecting rods, the back vehicle frame and a pull rod connected with the seat cushion support pipe through a pivot are respectively connected with a driving element through pivots; the driving element is locked and released through a locking and releasing mechanism; the locking and releasing mechanism comprises a locking element connected with the back vehicle frame through a pivot and a clamp groove formed in the driving element; the locking element is connected with a manual driving mechanism, a second electric driving mechanism and a reset mechanism; the manual driving mechanism drives the locking element to turn. The electric folding tricycle has the advantages that the electric folding and unfolding can be easily realized, so that the folding and unfolding efficiency can be greatly improved; the use is more convenient; in addition, the manual operation and the electric operation are combined; the operability is high; the folding modes are various.

A broadband, low profile, ultra-thin and flexible, planar wire antenna includes an inverted triangular section and a horizontal bar section centered at the apex of the triangular section. Tab elements are provided on opposite ends of the bar section to increase the end effect of the antenna. Furthermore, 45 degree tabbed elements are joined to the top corners of the triangular section and extend in opposite directions therefrom. The tabbed elements added to the triangular section and to the bar section increase the overall electrical length of the antenna to simulate a physically larger size antenna.

The invention discloses a high-level tower packing structure, which includes a high-level water-receiving cooling tower body, and the high-level water-receiving cooling tower body is composed of a tower tube, a water eliminator, a water distribution area, a packing area, and a water receiving area; it is characterized in that: The packing area includes the packing and the packing support for placing the packing. The packing area is divided into the upper packing area and the lower packing area. There are rectangular packing units on the packing support. The packing units in the upper packing area are arranged in parallel, and the packing units in the lower packing area are cooled. The central axis of the tower is the center of the circle, and the inner ring packing unit and the outer ring packing unit are arranged radially outward from the center of the cooling tower, and the outer ring packing unit is provided with a lifting device, which can make the inner ring fill the unit and the outer ring The packing unit is not on a horizontal line, the outer ring packing unit protrudes downward, the packing support is provided with a fixed support, the fixed support is provided with a movable support, and the outer ring packing unit is arranged in the mobile support.

The invention discloses a foldable tricycle which comprises a front wheel steering mechanism for a front wheel, wherein two parallel connecting rods are in pivoted connection with a support sleeve in the front wheel steering mechanism; the two connecting rods are in pivoted connection with a driving component; the driving component is in pivoted connection with a rear frame with rear wheels and is connected with a cushion support tube through a pull rod; the cushion support tube is in pivoted connection with the rear frame; when the foldable tricycle is unfolded, the front wheel is not coincided with the rear wheels, inclined angles are kept between the connecting rods and the support sleeve and the rear frame is vertical to a vertical tube of the cushion support tube; when the foldable tricycle is folded, the front wheel is parallel to and locally coincided with the rear wheels, a plane formed by the lowest points of the front wheel and the rear wheels is parallel to the horizontal plane, the connecting rods are parallel to the vertical tube of the support sleeve and the rear frame and the cushion support tube are parallel to each other or are formed into a wedge-shaped structure. After the foldable tricycle is folded, the three wheels are under parallel state and are free from height difference, the whole tricycle can be pushed through a pulling handle, the tricycle can be conveniently carried under the folded state, the folding effect of the tricycle is better, less space is occupied, the whole appearance is beautiful, no protruded part exists and the safety is higher.

A broadband, low profile, ultra-thin and flexible, planar wire antenna includes an inverted triangular section and a horizontal bar section centered at the apex of the triangular section. Tab elements are provided on opposite ends of the bar section to increase the end effect of the antenna. Furthermore, 45 degree tabbed elements are joined to the top corners of the triangular section and extend in opposite directions therefrom. The tabbed elements added to the triangular section and to the bar section increase the overall electrical length of the antenna to simulate a physically larger size antenna.

A turbomachine arranged with a rotor and a stator, including a radial positioning device ensuring that the rotor is radially positioned; and a contactless axial balancing device arranged on at least one bladed wheel for axially balancing the rotor at high speed. The turbomachine includes a thrust bearing distinct from the radial positioning device serving to balance the rotor axially at low speed, and without contact at high speed. In addition, the radial positioning device is constituted by hydrostatic bearings, the turbomachine including hydrostatic bearing feed circuits suitable for connecting the bearings to a source of fluid under pressure. As a result, it is possible to obtain operation at high speeds with a very long lifetime.

A material classifier for classifying a liquid-solid mixture containing solid material to be separated is provided. The material classifier includes a tank defining a reservoir for receiving the liquid-solid mixture, and a scoop wheel including a plurality of circumferentially spaced apart scoops for scooping material from the tank and subsequently discharging the scooped material from the tank during rotation of the scoop wheel. A classification system and method of classifying material is also provided.

There is presented an equipment (13) for raising of an associated lying person, comprising a seat (1), a primary leg (4), a secondary leg (5) being secondary leg (5) being rotatably connected to the seat (1) and a backrest (2), wherein the equipment is arranged to be passed from a first configuration to a second configuration by rotation of the secondary leg (5) around a rotation axis, and wherein the equipment is arranged so that it enables placement of the equipment between the associated lying person and a supporting surface while the bottom of the associated lying person is in contact with the supporting surface upon which the associated lying person is lying and subsequently raising the associated lying person by passing the equipment from the first configuration to the secondary configuration by rotation of the secondary leg (5). In a particular embodiment, the equipment is arranged for being reversibly assembled and disassembled without using tools.

A projection lens is a zoom lens and formed of a first group to an N-th group sequentially arranged from an image enlargement side (that is, screen side), where N is 6 or 7. The first group includes a first A group and a first B group sequentially arranged from the image enlargement side. The first A group is formed of two positive lenses, and the first B group is formed of a cemented lens formed of a positive lens and a negative lens. The second group includes at least two negative lenses. In magnification changing action, at least the first group and the N-th group are fixed, and at least the third group to the (N−1)-th group are moved along an optical axis. In focusing action, the first A group on the image enlargement side in the first group is solely moved along the optical axis.

An integrally suppressed firearm in one embodiment includes a rear firing portion defining an axial projectile bore and front suppressor portion. The suppressor portion includes a longitudinal stack of sound suppression baffles each defining a gas expansion chamber in fluid communication with the projectile bore. A mounting rod extends rearward from a front end cap of the suppressor portion and threadably engages a mounting adapter that removably couples the suppressor portion to the firing portion. A muzzle cap disposed inside a rearmost baffle removably couples the mounting adapter to the firing portion. When tightened, the rod axially compresses the baffle stack and forms a combustion gas tight enclosure without need for an additional external pressure retention tube or sleeve. The baffles are configured to form a press-fit frictional interlock with each other such that the baffle stack is self-supporting. An optional accessory rail may be coupled to the adapter.

A storage and conveying utility that is mountable to elements of a vehicle roof rack is disclosed. The utility includes a carrier having first and second parallel elongated slots formed therein and different walls thereof for mounting at either one or both of vertical and / or horizontals elements. In its embodiment for use in water storage, dispensing and conveyance a heating assembly is attachable thereto at the slots. A removable insulating cover assembly is provided.

The invention provides a rotary solar concentrating method based on the Cassegrain reflection principle and relates to an adjustable high-power solar concentrating method. The rotary solar concentrating method is used for solving the problems of the currently existing solar concentrating systems that the light path control and the arrangement of a receiving face are not flexible enough. The method comprises the steps: establishing a concentrating system, wherein a secondary mirror and a primary paraboloid are enabled to share a focus, and the receiving face is arranged at the conjugate focus of the secondary mirror; enabling the secondary mirror to revolve around the primary paraboloid, solving the structural parameters of the secondary mirror according to a position where the receiving face is required to be arranged, and meanwhile, solving the maximum of a revolving angle of the secondary mirror around the primary paraboloid based on the principle of geometrical optics in the case that the condition that the secondary mirror can receive all concentrated light of the focus is guaranteed; adjusting the receiving face and the primary paraboloid in the range of the maximum of the revolving angle of the secondary mirror around the primary paraboloid, so as to enable the receiving face of the concentrating system to receive concentrated energy flow in real time. The secondary mirror is a hyperboloid or semi-ellipsoidal concave face. The rotary solar concentrating method is applied to solar high-power energy flow concentrating.

Apparatus and processes are provided for the generation of hydrogen which employ a reformer and water gas shift reactor. The apparatus and processes respond quickly to changes in hydrogen generation. The reformate in a region between the reformer and prior to exiting the water gas shift reactor is cooled by indirect heat exchange with water whereby substantially all the water is vaporized to steam, the steam is separated from liquid water and then introduced into the reformate.

A material classifier for classifying a liquid-solid mixture containing solid material to be separated is provided. The material classifier includes a tank defining a reservoir for receiving the liquid-solid mixture, and a scoop wheel including a plurality of circumferentially spaced apart scoops for scooping material from the tank and subsequently discharging the scooped material from the tank during rotation of the scoop wheel. A classification system and method of classifying material is also provided.

A leveraging tool for helping urge open a shipping container or van trailer door latch has a shaft that has a pair of rings that receive a latch arm of the door latch and uses the lever action of the shaft to gain mechanical advantage in opening and closing the latch. The shaft is bent at either one location or optionally two locations to allow for proper clearance of a user's hands with respect to the door. The inner ring has a distal end facing outer edge that is diagonally tapered to allow the device to properly clear the latch in order to allow the rings to receive the latch.

A storage and conveying utility that is mountable to elements of a vehicle roof rack is disclosed. The utility includes a carrier having first and second parallel elongated slots formed therein and different walls thereof for mounting at either one or both of vertical and / or horizontals elements. In its embodiment for use in water storage, dispensing and conveyance a heating assembly is attachable thereto at the slots. A removable insulating cover assembly is provided.

The invention discloses a folding electric tricycle which comprises an electric driving system, a braking system, a front wheel steering mechanism with a front wheel, a rear vehicle frame with two rear wheels, and a cushion branch pipe which is provided with a cushion and can be overturned relative to the rear vehicle frame. The front wheel steering mechanism is pivoted to ends of two parallel connecting rods; the other ends of the two connecting rods, one end of the rear vehicle frame and a pull rod pivoted to the cushion branch pipe are pivoted to a driving part, the driving part is locked and released through a locking and release mechanism, the locking and release mechanism comprises a locking part pivoted to the rear vehicle frame and a clamping groove which is formed in the driving part and matched with the locking part, and the locking part is connected with a returning mechanism and a driving mechanism for driving the locking part to be overturned. The button type locking and release mechanism is adopted, release of the driving part and automatic locking of the driving part can be implemented quickly, and folding and unfolding operations are simple; by combination with a combined type limiting mechanism between the connecting rods, structure fixing stability of the whole tricycle is effectively ensured, and safety is improved.

The invention discloses a Si / MoS2 electrode material preparation method. The preparation method comprises the following steps of preparing Si quantum dots; mixing the Si quantum dots with ammonium molybdate and urea; and finally, acquiring a Si / MoS2 electrode material. Electrochemical performance of the Si / MoS2 electrode material is superior to that of single MoS2, and when current density is 5A g<-1>, a specific capacitance of Si / MoS2 is 574.4 F g<-1> and is much higher than a specific capacitance 82.2 F g<-1> of MoS2. Compared with the MoS2, by using the material prepared in the invention, apore between Si / MoS2 nanosheets becomes large, a relative position between the nanosheets becomes tighter, and the nanosheets are distributed in a mutually staggered and mutually attached relationship so that electrolyte ions are in tighter contact with an active substance, and a Faraday reaction on a surface of an electrode is promoted.

The invention discloses an electric folding tricycle, which comprises an electric driving system, a brake system, a front wheel steering mechanism, a back vehicle frame and a seat cushion support pipe, wherein the front wheel steering mechanism is provided with a front wheel; the back vehicle frame is provided with back wheels; the seat cushion support pipe is provided with a seat cushion and can be turned relative to the back vehicle frame; two parallel connecting rods are connected onto the front wheel steering mechanism through a pivot; a first electric driving mechanism used for driving a connecting rod to rotate is arranged between the front wheel steering mechanism and the connecting rod; the two connecting rods, the back vehicle frame and a pull rod connected with the seat cushion support pipe through a pivot are respectively connected with a driving element through pivots; the driving element is locked and released through a locking and releasing mechanism; the locking and releasing mechanism comprises a locking element connected with the back vehicle frame through a pivot and a clamp groove formed in the driving element; the locking element is connected with a manual driving mechanism, a second electric driving mechanism and a reset mechanism; the manual driving mechanism drives the locking element to turn. The electric folding tricycle has the advantages that the electric folding and unfolding can be easily realized, so that the folding and unfolding efficiency can be greatly improved; the use is more convenient; in addition, the manual operation and the electric operation are combined; the operability is high; the folding modes are various.

The invention provides a rotary solar concentrating method based on the Cassegrain reflection principle and relates to an adjustable high-power solar concentrating method. The rotary solar concentrating method is used for solving the problems of the currently existing solar concentrating systems that the light path control and the arrangement of a receiving face are not flexible enough. The method comprises the steps: establishing a concentrating system, wherein a secondary mirror and a primary paraboloid are enabled to share a focus, and the receiving face is arranged at the conjugate focus of the secondary mirror; enabling the secondary mirror to revolve around the primary paraboloid, solving the structural parameters of the secondary mirror according to a position where the receiving face is required to be arranged, and meanwhile, solving the maximum of a revolving angle of the secondary mirror around the primary paraboloid based on the principle of geometrical optics in the case that the condition that the secondary mirror can receive all concentrated light of the focus is guaranteed; adjusting the receiving face and the primary paraboloid in the range of the maximum of the revolving angle of the secondary mirror around the primary paraboloid, so as to enable the receiving face of the concentrating system to receive concentrated energy flow in real time. The secondary mirror is a hyperboloid or semi-ellipsoidal concave face. The rotary solar concentrating method is applied to solar high-power energy flow concentrating.