63results about How to "Keep performance stable" patented technology

The present invention relates to a control method for idling anti-rollback of pure electric vehicle, which comprises the following steps: determining whether an anti-rollback control is needed by the current state of the vehicle or not with the vehicle controller according to the brake pedal, the handbrake device and the accelerator pedal; If needed, judging whether the working condition of the anti-rollback control is satisfied by the current states of the power battery, the motor controller, and the motor or not with the vehicle controller; If not satisfied, stopping the motor to output a torque; If satisfied, driving the motor to output the torque for the anti-rollback control. With this pure electric vehicle, the control method for idling anti-rollback of pure electric vehicle can be suitable for the pure electric vehicle, the pure electric vehicle uses the motor alone to drive the vehicle, therefore is very different from conventional cars in the control of the torque and the speed regulation, thus the present invention can be suitable for starting an electric vehicle at idle, prevents effectively an electric vehicle on a slope from rolling back, has a simple and quick processing procedure, and a stable and reliable performance, and lays a solid foundation for further development and application of the electric vehicle technology.

The invention is directed to improved conductive adhesives for solder-free interconnections in microelectronic assembly processes such as for chip carrier-to-substrate attachment. These adhesives are characterized by low tensile modulus, low resistivity, high adhesion strength, and durability of these properties during reliability stress conditions of thermal shock, thermal aging, and temperature/humidity (85.degree. C./85%) exposure of the assembled devices. The adhesives contain a homogeneous solution of a siloxane containing epoxide, a curing agent, a curing catalyst and an organic polymeric or oligomeric additive. A conductive filler is added to the solution forming the filler. Preferred fillers are Ag coated with Pd and Ag coated with Au.

A polymer electrolyte membrane for a fuel cell that can maintain a stable performance for a long time, a method of manufacturing the same, and a fuel cell employing the same. The polymer electrolyte membrane includes at least one kind of a basic polymer and an acidic dopant. A dimensional change in the planar direction of the electrolyte membrane between a wet state and a dry state is 5% or less.

The invention relates to a strong and tough nylon composite material for a high-speed rail sleeper firmware and a preparation method thereof, belonging to the field of organic high-molecular materials. The strong and tough nylon composite material is characterized by comprising the following raw materials and components (in percentage by weight) and is prepared according to the following steps of: adding a nucleating agent, a reinforcing agent, a coupling agent, a toughening agent, an antioxidant, a rheological agent and a brightening agent by using PA (Polyamide) 66 and PA6 or PA66/PA6 as base materials; extruding with alkali-free glass fibres compositely through weighing, preparing, blending and melting at 250-280 DEG C; and granulating. The strong and tough nylon composite material is easy to inject and mould and has high punching, drawing and bending strength and achieves the technical index of the raw materials needed by the high-speed steel rail sleeper firmware; and in addition, the invention has the advantages of light weight, high strength, good toughness, high load-bearing, easy forming and low cost.

In an embodiment of the invention, a method is presented to operationally integrate one or more RAID control mechanisms into a flash electronic disk controller. The method includes incorporating one or more RAID features into a flash electronic disk by adding one or more RAID components in a flash controller, wherein the flash electronic disk includes a RAID control module to control the one or more RAID components; receiving a read or write operation command at a flash controller from a host; translating the read or write operation command into a command format understood by one or more flash controllers; translating the command format into an instruction format understood by one or more flash memory devices; and accessing one or more memory locations in the one or more flash memory devices according to the instruction format to perform a read or write operation for the host.

The present invention provides a LTPS TFT substrate, which includes a black matrix arranged on a first buffer layer of the LTPS TFT substrate to have an area where a TFT device is located is shielded by the black matrix thereby preventing the TFT device from being influenced by light irradiation, maintaining stability of the TFT device; and also saving the manufacturing process of a shielding metal layer, reducing one photo-mask, and lowering down manufacturing cost so as to allow the black matrix, in achieving the functionality of its own (shielding leaking light of the pixel), to also take the place of a shielding metal layer that is commonly adopted in the prior art to shield light for the TFT device and thus providing duality of functionality.

A sealing structure includes a gasket that has a passage for a cooling fluid that flows through a cylinder head and cylinder body of an internal combustion engine. The cylinder head and cylinder body are joined together at mating faces. The gasket is made of metallic material and is mounted between the mating faces P. The sealing structure includes an insulating elastic layer that is formed on the surfaces of said metal gasket. The sealing structure also includes a galvanic corrosion inhibitor that is applied to the contact portions of the metal gasket through the insulating elastic layer.

It is an object of the present invention to provide an infrared absorption filter which enables a coloring matter having infrared absorptivity to be contained or dispersed uniformly in a high concentration and has excellent durability and an infrared absorption panel comprising this infrared absorption filter. The infrared absorption filter is composed of a polycarbonate resin which contains 20 to 100 mol % of a recurring unit having a fluorene skeleton represented by the formula (1) and 0 to 80 mol % of a recurring unit represented by the formula (2) and a coloring matter having infrared absorptivity.

The invention relates to a precision optical frequency tunable laser. The laser includes: a laser gain medium, an intracavity collimating lens, an active optical phase modulator, a tunable acousto-optic filter and an intracavity total reflection mirror all arranged sequentially in a laser cavity, and the tunable laser further includes an active polarization rotator, a polarization beam splitter, two etalons, a temperature control system attached to the etalons, two total reflection mirrors, a radio frequency signal source, a laser pumping source, an active optical phase modulator drive source, an active polarization rotator drive source and a laser drive control circuit. Through the temperature control system attached to the etalons, stable laser output and the precision optical frequency tuning less than 1 GHz within a wide spectrum range can be realized, thereby greatly reducing the bandwidth requirements in achieving narrowband filtering for the tunable acousto-optic filter. The invention is compact with high performance, low cost for volume production and installation, and achieves stable tunable laser output within a wide spectrum range.

A die mounting device (20 (20A, 20B)), in which through holes (231 (231A, 231B)). The through hole (231 (231A, 231B)) is communicated with the communication groove (232 (232A, 232B)), so that it is connected with the suction hole (222 (222A, 222B) on both sides of the temperature regulating plate (22 (22A, 22B)). )) connected. Since the entire surface of the stamper ( 24 ( 24A, 24B)) can be sucked and held, the central portion of the stamper ( 24 ( 24A, 24B)) can be prevented from floating. In addition, the dies (24 (24A, 24B)) are in close contact with the temperature control plate (22 (22A, 22B)) via the die holders (23 (23A, 23B)), so that the heating and cooling efficiency can be optimized. .

A leakage current protection plug includes a plug housing, a power supply cord, two copper legs embedded within the plug housing, a leakage current protection device composed of two main moving contacts. A reset button presses the moving contacts to contact the two copper legs, a winding assemble, an iron core, a circuit board assemble, an ZCT. Ends of moving contacts are arranged with contacts that conduct individually with the two copper legs upon coming into contact; the power supply cord, through the ZCT, is connected with the moving contacts; the output of the ZCT is connected with the input of the amplification circuit on the circuit board, while the output of the amplification circuit is connected with the winding assemble.

A backflow prevention valve includes a cylindrical case member having a plurality of holes formed in an upper end at a periphery thereof, a valve member disposed in the case member to be movable in an axial direction thereof, an urging device disposed in the case member for urging the valve member upwardly, and a liquid inflow pipe extending outwardly from the case member. The valve member includes a sealing portion at an upper surface thereof for contacting a peripheral edge of an inflow opening to close the same, and a plurality of guiding arms provided on a peripheral edge of an upper surface of the valve member. The guiding arms are slidably disposed in the holes so that the valve member is supported and guided by the guiding arms passing through the holes.

An electronic device includes a chip (10) and a carrier substrate (16), wherein the carrier substrate (16) has a conductive structure (18) and the chip (10) has a pair of bonding pads (13) on a side facing the carrier substrate (16). The bonding pads (13) are in electrical contact with the conductive structure (18). The chip (10) has a non-reductive space layer (14) on the side facing the carrier substrate (16), wherein the non-conductive space layer (14) defines the distance between the chip (10) and the conductive structure (16) of the carrier substrate (16).

The invention belongs to the technical field of a material, and particularly relates to the field of a rubber high polymer material. The invention also discloses a low-temperature low-pressure vulcanized rubber lining composition and an application method thereof. The composition is prepared from the following ingredients in parts by weight: 60 to 80 weight parts of natural rubber, 20 to 45 weightparts of sulphur, 1 to 20 weight parts of butadiene styrene rubber, 1 to 20 weight parts of high styrene, 3 to 10 weight parts of low pressure vulcanized masterbatch, 5 to 10 weight parts of predispersed zinc oxide masterbatch, 10 to 30 weight parts of crystalline flake graphite, 10 to 30 weight parts of filling materials and 2.5 to 5.0 weight parts of pre-dispersing promoter masterbatch. The rubber of low-temperature low-pressure vulcanized rubber lining composition can be vulcanized under the conditions of low temperature and low pressure; the vulcanization problem of super-big-dimension non-pressure-resistant equipment and super-big-dimension pressure-resistant non-tank equipment is solved.