124results about How to "Increase downforce" patented technology

An electrolyte solution, methods, and systems for selectively removing a conductive metal from a substrate are provided. The electrolyte solution comprising nanoparticles that are more noble than the conductive metal being removed, is applied to a substrate to remove the conductive metal selectively relative to a dielectric material without application of an external potential or contact of a processing pad with the surface of the substrate. The solutions and methods can be applied, for example, to remove a conductive metal layer (e.g., barrier metal) selectively relative to dielectric material and to a materially different conductive metal (e.g., copper interconnect) without application of an external potential or contact of a processing pad with the surface of the substrate.

The invention discloses an FSAE racing car aerodynamic suite. The FSAE racing car aerodynamic suite comprises a rear wing (1), a tail-end diffuser (2) and a front nose wing (6) which are in rigidity connection with a car frame (3), wherein the front nose wing (6) is located at the lower portion of the racing car head, and the rear wing (1) and the tail-end diffuser (2) are upper-and-lower arranged and are installed at the tail of the racing car. The FSAE racing car aerodynamic suite can improve the down force of the FSAE racing car greatly, so that a good ground adhesive force is obtained by the racing car, and excellent dynamic property is acquired; the aerodynamic property and handling stability of the racing car can be improved, so that the speed and accelerated speed of the racing car when entering a curve and pulling out of the curve are greatly improved, and excellent turning driving property is obtained; thereby, the FASE racing car can acquire outstanding grades in the competition items of high-speed obstacle avoidance, eight-character circling and the like, and the FSAE racing car aerodynamic suite further has the advantages of being light in weight, simple in structure, convenient to assemble and disassemble, reliable in property, good in practicability and the like.

The invention relates to a docile non-bracket type windscreen wiper structure, which comprises a metal elastic sheet body, a carrying seat, a carrying seat outer cover, an auxiliary steel bar, two outer cover sheaths and a long stripped wiper, wherein the downward bending radius of the auxiliary steel bar is smaller than the downward bending radius of the metal elastic sheet body, and in addition, the width of the metal elastic sheet body is smaller than the half of the width of the metal elastic sheet body, so after the auxiliary steel bar is downwards pressed to be butted and pasted on an automobile windscreen, the deformation elasticity of the auxiliary steel bar can be transmitted to two tail end positions of the metal elastic sheet body, better docile performance can be realized, the wiping cleanness can be improved, in addition, the serenity degree in an automobile cannot be damaged through great friction sound generated during the reciprocating wiping swinging, meanwhile, the motive power for driving a windscreen wiper rocker arm cannot be improved, and the oil consumption increase of the automobile is avoided.

The invention provides a rear spoiler which is capable of suppressing an increase in air resistance and applying a downforce to a vehicular rear portion during high-speed vehicle traveling. The rear spoiler (1) on the rear upside of a vehicle includes a main body (2) that is longer in a longitudinal direction than in a width direction. The main body (2) includes an air introduction opening (14) of air currents, and a wing (3) and an air outlet (17) communicating with the opening (14) at the rear. The air currents introduced from the opening (14) during traveling are blown off from the air outlet (17). Consequently, vortex flows generated at the rear is rectified, thus permitting travel resistance to be reduced. Further, the main body (2) is arranged in the vehicular lateral side and hence by rectifying the vortex flows generated by the air currents coming around the vehicular lateral side, the air resistance is restrained from increasing during high-speed traveling, permitting the travel resistance to be reduced.

The invention discloses an aluminum plate bending device for machining a high-stability aluminum profile, and relates to the field of aluminum plate processing equipment. The aluminum plate bending device comprises a feeding rack, a discharging rack and a punching and bending device arranged between the feeding rack and the discharging rack. An aluminum plate is placed on a feeding roller table arranged on the feeding rack for feeding, and telescopic rods of two third hydraulic cylinders are controlled for telescopic adjustment, so that two push plates press and straighten the two sides of thealuminum plate, and the alignment of the aluminum plate during feeding is ensured; and before punching and bending the aluminum plate, a pressing plate and a bearing plate press the aluminum plate inadvance, so that the drawing deviation of the aluminum plate is avoided during punching and bending.

The invention discloses an aerodynamic package for FSAE racing cars. The aerodynamic package comprises a front wing, a tail wing and a diffuser, wherein the front wing is rigidly connected to the bottom of the front end of a car frame and is located at the lower part of the head of a racing car; the tail wing is symmetrically supported by six supporting rods at the rear end of the car frame; the diffuser is connected to the bottom of a cab and is integrated with the floor of the cab; a main wing of the front wing is elongated to form a connecting plate which is connected with the car frame together with an inner end plate, and connection is stabler and disassembly is convenient; a Gurney flap is additionally arranged on the tail wing to increase the down force of the racing car and enhance the stability during braking; and a diversion groove is additionally formed in the bottom of the diffuser, and a grating wing is additionally arranged at the tail of the diffuser, so that the down force of the racing car is increased. According to the aerodynamic package disclosed by the invention, the down force of the FSAE racing car can be significantly increased, so that the racing car can obtain big ground adhesive force and excellent dynamic property; the aerodynamic performance and handling stability of the racing car can also be improved so that the racing car can obtain good turning driving performance; and in addition, the package also has the advantages of being light in weight, simple in structure, convenient in disassembly and assembly and the like.

The invention discloses an integrated formula car diffuser with additional side wings. The diffuser adopting an integrated structure comprises a left-part side wing main wing, a right-part side wing main wing, a left-part side wing flap and a right-part side wing flap, wherein the left-part side wing main wing and the left-part side wing flap are in front-rear arrangement in a manner that an angle a and an angle b are respectively formed between the left-part side wing main wing and a level surface and between the left-right side wing flap and the level surface through a left-part left-end plate and a right-part right-end plate, the right-part side wing main wing and the right-part side wing flap are in front-rear arrangement in a manner that an angle a and an angle b are respectively formed between the right-part side wing main wing and the level surface and between the right-part side wing flap and the level surface through a right-part left-end plate and a right-part right-end plate, and two side wing components, of the diffuser, which are symmetrically arranged, are formed; a left flow deflector and a right flow deflector which are in V-shaped arrangement are arranged between the two side wing components, the left flow deflector and a left surface form a left guide groove, and the right flow deflector and a right surface form a right guide groove. According to the diffuser disclosed by the invention, the downward pressure of the car can be increased, and besides, the centre of gravity of the car is moved forwards, so that understeer of the car is avoided, besides, the impact of air currents on rear wheels of the car is avoided, and the running resistance of the car is reduced.

The invention discloses an adjustable spoiler system of a formula car. The adjustable spoiler system mainly comprises a main wing rear wing, flap rear wings, end plates, four-rod mechanisms, steering engines, main wing inner supporting plates and flap inner supporting plates. Spoilers adopt an upper rear wing spoiler, a middle rear wing spoiler and a lower rear wing spoiler which are separately the main wing rear wing and the two flap rear wings. The two ends of all the rear wings are each provided with the corresponding end plate. The two ends of the three rear wings are each internally provided with the corresponding wing inner supporting plate which is formed through bonding. The steering engines are fixed to wing inner supporting plates in rear wings. The lower main wing rear wing and the middle flap rear wing as well as the middle flap rear wing and the upper flap rear wing are both connected through the four-rod mechanisms. During turning of the racing car, the steering engines are controlled through a steering wheel rotating angle signal to drive the four-rod mechanisms so as to change flap attach angle transformation, and down force is increased; and during linear travelling, the steering wheel rotating angle signal recovers to a zero state and controls the steering engines to recover to original states so as to the drive the four-rod mechanisms to recover the flap attach angles, and travelling resistance is decreased.

The invention discloses an active variable front wing of formula car which compromises a fixed wing piece arranged on the inner side of a front wing end plate, a connection device for forming a rotation between the fixed wing and the end plate, a driving mechanism for driving the fixed wind piece to rotate a certain angle, a speed detector and an acceleration detector which are arranged on a car and used for detecting the car running state, a water temperature detector arranged at a cooling system. The water temperature detector and the driving mechanism are respectively connected with a car control unit. The active variable front wing of formula car can adjust the angle of the front fixed wing piece according to the car running state and the temperature of the engine, thus, the air resistance is reduced in acceleration, the amount of air input in the side box of the formula car is increased, the efficiency of the engine is improved,and the dynamic performance of the car is improved.

A method of performing chemical mechanical polishing (CMP) is described herein. By way of example, substantially undiluted slurry is applied to a polishing pad. A first CMP process is performed using the substantially undiluted slurry on a semiconductor wafer applying a first amount of pressure. The first CMP process is terminated. Diluted slurry is applied to the polishing pad. A second CMP process is performed using the diluted slurry on the semiconductor wafer while applying a second amount of pressure, wherein the second amount of pressure is less than the first amount of pressure. The second CMP process is terminated.

The invention discloses a more stable medical tray carriage. The medical tray carriage comprises a base; a support rod is fixedly connected to the middle of the top of the base; a tray frame is fixedly connected to the top of the support rod; clamping apparatuses are arranged on two sides of the top of the tray frame; a clamping sleeve seat is arranged at the bottom of each clamping apparatus; a connecting rod is connected to the top of each clamping sleeve seat; an inner cavity of each connecting rod is connected with a rotary shaft; two ends of the rotary shaft are connected with a downward pressing plate in a penetration manner; a lifting rod is fixedly connected to one side of the top of each downward pressing plate; a downward pressing block is connected to the bottom of each downward pressing plate; a convex particle is arranged at the bottom of each downward pressing block; an inner cavity of each clamping sleeve seat is connected with a spring; and a tray is arranged in the middle of the top of the tray frame. According to the medical tray carriage, the clamping apparatuses are arranged at the top of the tray frame, so that the stability of the tray is improved, a more stable effect is achieved, and the damage of medical appliances caused by shake of the tray is avoided.

A motorcycle fairing comprised of plastic or composite material fabricated and assembled to form: a front, substantially hemisphere shaped fender or nacelle fairing section which substantially encloses the front wheel of the motorcycle and is affixed to the upper front fork assembly of the motorcycle allowing the front wheel to be turned laterally independent of the attitude of the main frame of the motorcycle; and a frame mounted fairing which intersects and substantially encompasses the hemispherical front wheel fender section within a matching hemispherical shaped socket located in the frontal portion of said frame mounted fairing, which fairing then extends rearward along, and substantially parallel to the main frame of the motorcycle, with both fairing sections together substantially enclosing the front wheel, headlight, and engine of the motorcycle.

The invention belongs to the field of electric switch parts and relates to an overheating protection button switch which comprises a base body, a connecting button and a disconnecting button. The connecting button comprises a button cap, a connecting rod, a movable contact and a fixed contact. The disconnecting button comprises a disconnecting rod and a reset spring. A jaw rod and double metal pieces are arranged on the base body. The jaw rod is fixed on the base body through a jaw rod rotating shaft. A hook jaw and a pressing plate are arranged at the two ends of the jaw rod respectively. The pressing plate is connected with a pressing spring. Deforming ends of the double metal pieces are fixed on the pressing plate. The front end of the connecting rod is provided with a clamping head which can be clamped with the hook jaw. The disconnecting rod abuts against the jaw rod pressing plate. The overheating protection button switch is safe, reliable and high in sensitivity and has a circuit overload protection function.

The invention discloses a grinding device with a protection structure for alloy saw blade machining, and relates to the technical field of grinding devices. The grinding device specifically comprisesa grinding platform and a saw blade grinding mechanism; a lifting plate is arranged in the middle part of the surface of the grinding platform, the bottom of the surface of a placement column is sleeved with a scrap collecting disc, the bottom of the lifting plate is connected with a rotating shaft, and the bottom of a gearbox is connected with a rotating motor; and the saw blade grinding mechanism is arranged on the two sides of the grinding platform, a liquid cylinder is embedded in the middle part of a plate frame, the bottom of a bearing is connected with spring telescopic rods, and a touch control screen is arranged at a corner of the right side of the grinding platform. According to the grinding device with the protection structure for alloy saw blade machining, the surface of the placement column is sleeved with to-be-ground alloy saw blades with the same size, every two alloy saw blades are separated in parallel through a partition piece, and then rotating grinding cylindricalrods enter coincident tooth grooves for grinding; and through the arrangement, the plurality of tooth grooves of the plurality of saw blades can be ground at the same time, so that the working efficiency is favorably improved.

The invention discloses an aquaculture device utilizing wave energy, and belongs to the field of aquaculture. The device comprises a net cage, a piston pipe, a feed conveying pipe and a feeding pipe,a plurality of partition plates are arranged in the net cage, a floating ball is connected to the top of the net cage through a hanging rope, a piston is slidably arranged in the piston pipe, the upper end of the piston pipe communicates with the outside, and a driving mechanism capable of driving the piston to move up and down through the wave energy is arranged outside the piston pipe; the position, located below the piston, of the side wall of the piston pipe is connected with a water inlet pipe, the starting end of the feed conveying pipe is communicated with the bottom of the piston pipe,the feed conveying pipe is connected with a plurality of communicating pipes, the communicating pipes are communicated with corresponding breeding spaces, and feeding mechanisms are arranged in the communicating pipes; and the feeding mechanisms can convey feed in the feed conveying pipe into the breeding spaces corresponding to the communicating pipes, and the bottom of the feeding pipe is connected with the starting end of the feed conveying pipe. Feed can be conveyed into the net cage through the wave energy, and the conveying efficiency is improved.

The invention relates to automatic stamping equipment. The automatic stamping equipment comprises a working platform, a buffer slot is formed in the top of the working platform, and a sliding groove is formed in the buffer slot. A lower mould is connected to the sliding groove in a sliding mode through a sliding block, and the working platform is connected to the bottom of the lower mould througha buffer spring. A stamping groove is formed in the top of the lower mould, a groove is formed in the bottom of the stamping groove, and a vertical slot is formed in the bottom of the groove. A firsthydraulic cylinder is installed in the vertical slot, wherein a push plate is fixedly connected to the top of the first hydraulic cylinder, and the push plate is arranged in the groove. Through the arrangement of the buffer spring, the impact force to moulds is reduced when stamping, and the service life of the moulds is conveniently prolonged; through arranging the push plate, workpiece after stamping is pushed out, and blanking is convenient to carry out; through arranging air holes, impurities inside the stamping groove are blew away, and the product quality affected is avoided; through arranging blanking pieces, automatic blanking is carried out, and the labor cost is conveniently saved.

The invention discloses a counterweight device of a rotary drilling rig which comprises a rig body and an upper crossbeam mounted on the rig body.The counterweight device comprises a counterweight box frame for placement of a counterweight and an outward-unfolding supporting leg mechanism component connected with the outer side of the counterweight box frame, the counterweight box frame is fixedly mounted on the upper portion of the upper crossbeam of the rig body, the outward-unfolding supporting leg mechanism component comprises an extensible cylinder and a supporting leg, one end of the supporting leg is a supporting end while the other end of the same is hinging end, a middle hinging position is arranged between the supporting end and the hinging end, one end of the extensible cylinder is hinged to the upper portion of the counterweight box frame while the other end of the same is hinged to the middle hinging position of the supporting leg, and the hinging end is hinged to the lower portion of the counterweight box frame.Backward inclination caused by overhigh pressure applied on the ground by the front end can be prevented, so that adaptability and using effect of equipment are improved greatly.The invention further discloses the rotary drilling rig with the counterweight device.