34results about How to "Comfortable braking" patented technology

A method for a speed controller for a motor vehicle, wherein a speed prescription is set by the driver and automatic adjustment of the speed to the speed prescription is carried out at least by setting an engine torque prescription, wherein at the start of the speed control the engine torque prescription is set to an initial value, wherein the initial value is determined in accordance with at least one parameter.

The invention discloses a kind of drum brake staff facing used in cars with none asbestos and none metal and the production technology. The component recipes of drum brake staff facing said above are:polyacrylonitrile fiber 1~10%, the oil of cashew shell friction-type mix 2~10%, barite powder 8~20%, heavy calcium carbonate 5-25%, flour acrylonitrile butadiene rubber 2~15%, the mineral fiber 2~6%,the graphite 3~18%, zircon powder 1~10%, the oil of cashew shell phenol-formaldehyde resin modified 10~15%, premix compound 3~15%, glass fiber 2~15%. The production technology is that make the component told above into three times stir mixing and weigh the amount of last formed material with the need of ordinance about the drum brake facing then chill-pressing confectioning forms cool base and then heat pressing confectioning, heat processing and grind on, drill steps and so on then processing make into production. The recipe production is characterized in that: light weight, stabilize coefficient of friction, soft and sensitive braking, and comfort, noiseless and agree the requirement of environmental protection.

A method for a speed controller for a motor vehicle, wherein a speed prescription is set by the driver and automatic adjustment of the speed to the speed prescription is carried out at least by setting an engine torque prescription, wherein at the start of the speed control the engine torque prescription is set to an initial value, wherein the initial value is determined in accordance with at least one parameter.

The utility model relates to a disc brake mechanism and automatic escalator disc brake mechanism or automatic walkway disc brake mechanism, disc brake mechanism are used for applying predetermined braking moment according to the rotation direction for make axle (1) slow down, this disc brake mechanism has first brake disc (2) and at least one is attached first friction surface (3), this first brake disc and first friction surface can effectively be connected via braking operating means (4) that are used for applying the braking moment of expectation each other, wherein, is provided with at least one second brake disc (5) and at least one second friction surface (6), wherein, and on the braking moment of transferable to the second brake disc (5) can transmit axle (1) according to the rotation direction.

The invention discloses a water-passing durable type brake pad and a preparation method thereof. The water-passing durable type brake pad comprises raw materials of RK-150 basalt fibers, boron-modified phenolic resin, friction powder, barium sulfate, calcium sulfate whiskers, glass fibers, magnesium hydroxide, magnesium oxide, steel fibers and nitrile butadiene rubber. Through mixing, die-filling,pressurized heating, pulling out of a die, heat treatment, cutting, polishing and drilling, the prepared brake pad is more durable and high in strength, has the relatively stable friction coefficientand is not liable to crack, and the service life of the brake pad is not less than five months.

The invention discloses an environment-friendly noise-free brake block and a processing method thereof. The brake block is produced from resin, a resin flexibilizer, tire powder, glass fibers, composite fibers, graphite, granules, frictional powder, baryte powder, mica powder, vermiculite, coke blacking, carbon black, diatomite and high-temperature aluminium oxide. The environment-friendly noise-free brake block has the advantages that no asbestos, heavy metals and compounds are contained so that no dust falls after braking and no asbestos dust is generated to pollute environment and result in cancer, lots of soft raw materials such as flexible granules, and moreover, organic frictional powder and organic rubber powder are added, and simultaneously, inorganic packing such as coke and vermiculite of porous loose structure is added, so that the brake block is comfortable to brake without noise and thereby especially suitable for urban buses.

A method for controlling a vehicle with an automated shift transmission having a plurality of automatically shiftable driving gears and comprising a first friction clutch on the input side and an output device on the output side , wherein two gears are simultaneously engaged in the parking lock function, namely first and second gear, wherein at least at the first speed of the vehicle according to the requirement (1) for activation of the parking lock function In the range (10), the vehicle brakes (11) are activated in order to bring the vehicle to a stop (3), wherein during braking of the vehicle by means of the vehicle brakes, the first gear (12) is engaged and the vehicle At or near a stop (3), engaging said second gear (7) such that said parking lock function is activated, and a vehicle comprising a control device for carrying out such a method.

Belonging to a casting material and the casting method field, the invention discloses an automobile brake drum and a manufacturing method, and relates to a making method for an automobile part brake drum. The automobile brake drum is characterized by being prepared from the following raw materials by weight: 3.00-3.24% of C, 1.6-1.74% of Si, 0.45-0.49% of Mn, 0.05-0.1% of V, 0.1-0.25% of W, 0.38-0.45% of Cr, 0.4-0.7% of Co, and the balance Fe and inevitable impurities. By adopting a twice inoculation manufacturing process, the tensile strength and yield strength can be improved, the mechanical properties exceed ordinary grey cast iron brake drum material HT250, the tensile strength reaches more than 250Mpa, and the hardness HBS value reaches over 200, the wear resistance is good, the friction coefficient is high, and the production cost is low, the method can be used for making automobile brake drums and has broad application prospects. The brake drum product prepared by the method has the advantages of sensitive braking, comfortable and noiseless braking process, no damage to brake drum, and long service life.

The invention relates to modified friction particles for a friction material and a preparation method of the modified friction particles. The modified friction particles are mainly prepared from the following components in percentage by mass: 20-30 percent of aluminum oxide and zirconium dioxide, 20-30 percent of American Parma black powder and Netherland D powder, 10-20 percent of manganese sulfide, zinc sulfide and copper sulfide, 7-15 percent of unexpanded silvery white vermiculite power and graphite, 12-18 percent of butadiene-acrylonitrile rubber and butadiene styrene rubber, 3-5 percent of liquid resin and acrylonitrile-butadiene rubber latex, 5-10 percent of a performance modifying agent and 0.5-1 percent of rubber ingredients. A brake lining manufactured from the friction material containing the modified friction particles disclosed by the invention has high porosity and low hardness; in the test process and the actual application process, the brake lining does not generate noise, has comfortable brake foot sense, can take response quickly, and can reach the service life requirement when used in various severe conditions; after the modified friction particles are used in urban bus brake discs in a large quantity, the service life of the friction material can be over 35000km.

The invention relates to a vehicle reversing anti-collision system, which comprises a collection system, a control system, a voice system and a brake mechanism; the collection system is arranged at the tail of a vehicle; the control system is arranged in a trunk of the vehicle; the voice system is arranged at a multimedia chamber of the vehicle; the brake mechanism is arranged under an instrument panel of a driving cab of the vehicle and corresponds to a vehicle brake pedal. An ultrasonic principle is used, an ultrasonic sensor is additionally arranged at the tail of the vehicle, the distance between a reversed vehicle and an obstacle is automatically measured by the ultrasonic sensor, and then a driver is prompted. Meanwhile, according to the distance between the reversed vehicle and the obstacle, an automatic brake device is controlled to automatically brake, so the reversed driven vehicle is automatically alarmed and braked, occurrence of vehicle collision accidents is effectively prevented, the operability of the vehicle is improved and vehicle safety is ensured.

The invention discloses a kind of disk brake staff facing used in cars with none asbestos and little metal and the production technology. Its friction material includes bed charge and plus material. The bed charge includes: mineral fiber 35~50%, barite powder 10~20%, heavy calcium carbonate 10-20%, the oil of cashew shell phenol-formaldehyde resin modified 20~30%, flour acrylonitrile butadiene rubber 2~15%. The match of plus material: kaflar fiber 0.1~3%, steel fiber 20~35%, copper fiber 1~5%, particle graphite 6~18%, oil coke blacking 5~15%, the oil of cashew shell friction-type mix 2~8%, sericite in powder 5~10%, antimony trisulfide 0.5~5%, heavy calcium carbonate 2-8%, barite powder 10~20%, flour acrylonitrile butadiene rubber 2~6%, the oil of cashew shell phenol-formaldehyde resin modified 6~15%. After made the bed charge and the plus material weight them in proportion then chill-pressing confectioning and heat pressing confectioning steps and so on and then rivet accessory at last treatment make up the products. It needs low abrasion and has no noise.