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38results about How to "Improve running comfort" patented technology

Traffic signal in crossroad and vehicle coordinated control method, device and vehicle

ActiveCN106448194AReduce forced brakingReduce blind acceleration and decelerationControlling traffic signalsTraffic signalEngineering
The invention discloses a traffic signal in crossroad and vehicle coordinated control method, device and vehicle. The method comprises the following steps: 1, based on the average traffic flow calculating the cycle of traffic signal lights, step 2, based on the positioning information of vehicles and the crossroad stop-line information calculating the signal split and the time used for various vehicles to arrive at the crossroad stop-line, step 3, based on the traffic signal cycle and signal split, controlling the switching of traffic signal lights of the crossroad, step 4, judging if all vehicles pass the crossroad, if the answer is negative, then entering step 5, if the answer is affirmative, entering step 6, step 5, sending the crossroad stop-line arrival time of all vehicles and the traffic signal light cycle to the corresponding vehicles for the calculation of the anticipated speeds of corresponding vehicles, step 6, checking whether the traffic signal light cycle is ended, if the answer is affirmative, returning to step 2, if the answer is negative, returning to step 4. The method can optimize the time distribution of crossroads and the speed and acceleration trajectory of the vehicles passing the crossroads, and control the traffic signals of the crossroads and the acceleration of the vehicles heading toward the crossroads.
Owner:TSINGHUA UNIV +1

Continuous intersection traffic control method and device

The invention discloses a continuous intersection traffic control method and device. The continuous intersection traffic control method comprises: step 1, collecting signal lamp information and vehicle information on vehicle running route; step 2, calculating a phase space-time diagram of N signal lamps on the vehicle running route according to the information collected in the step 1) in combination with pre-loaded map information; step 3, setting a speed vk, wherein k is equal to 1, 2, ..., n, and n is a natural number; step 4, judging whether a passing time of passing by the ith signal lamp at the speed vk is within a green light phase in the phase space-time diagram, if so, the speed vk is an effective speed ui, and on the contrary, entering step 3; step 5, calculating multiple groups of effective speed combinations passing by N intersections, figuring out the total oil consumption of each group of effective speed combinations, using the effective speed combination with the lowest total oil consumption as an economic vehicle speed, and prompting the economic vehicle speed to drivers. The continuous intersection traffic control method disclosed by the invention can be used for achieving the aim of economic driving.
Owner:TSINGHUA UNIV

Sky train traffic system based on embedded tracks

The invention discloses a sky train traffic system based on embedded tracks. The sky train traffic system comprises a sky train track system and a sky train vehicle system. The sky train track system comprises a sky train track beam and track beam stand columns for supporting the sky train track beam. The sky train vehicle system travels on the sky train track beam. An embedded track system is laid in the sky train track beam. According to the sky train traffic system based on the embedded tracks, the defects that rubber wheels of a traditional sky train are abraded heavily, and energy consumption is high are overcome, the vehicle carrying capacity is improved, the structure principle is simple, the production technology is mature, and the sky train traffic system is suitable for urban mass transit; by means of the sky train traffic system, not only can wheel abrasion and vehicle operation energy consumption be reduced, but also the operation comfort can be improved, and the curve negotiation and linear operation performance are improved significantly; and the sky train traffic system is novel, low in energy consumption, abrasion and cost and high in performance.
Owner:CHENGDU XINZHU ROAD & BRIDGE MASCH CO LTD

Distributed control method of multiple power units of high-speed train

The invention relates to a distributed control method of multiple power units of high-speed train. The method includes the following steps: S1. using the number of multiple power units of the high-speed train, a train reference speed operation curve, train speed limitation information, and a train friction resistance coefficient and so on as control system input; S2. monitoring and obtaining the real-time speed and displacement feedback information of each power unit of the train in each sampling control period; S3. according to the real-time speed and displacement feedback information of eachpower unit, designing a distributed control method, calculating control output of each power unit and controlling the train; and S4. repeating S2 to S3 until the control process ends. The distributedcontrol method designs a distributed cruise control method for a power-dispersed high speed train according to the characteristic that multiple power units are used by high-speed trains and bullet trains to perform traction and braking, thus the precision of tracking the train and the operating comfort of the train are improved effectively, and energy consumption of operation of the train is reduced to a certain degree.
Owner:BEIJING JIAOTONG UNIV

Novel elevator structure

The invention belongs to the field of elevators and particularly relates to a novel elevator structure. The novel elevator structure comprises a lift car and a lift car traction bearing system, wherein the lift car traction bearing system comprises a lift frame, a guide rail frame, a traction machine and a steel wire rope, a traction wheel is arranged on the traction machine, lift car wheels are arranged on the lift frame, a lift car guide rail, a counter-weight guide rail and a counter-weight frame are arranged on the guide rail frame, the novel elevator structure also comprises a rope head plate, the rope head plate and the traction wheels are respectively positioned at two sides of the lift car, the number of the lift car wheels is two, a base used for installing the lift car wheels is arranged on the lift frame, one end of the steel wire rope is fixedly arranged on the rope head plate, and the steel wire rope sequentially bypasses the two lift car wheels, the traction wheel and the counter-weight wheel from the rope head plate. Through the structure, the energy efficiency of a host machine and the operation comfort feeling of the elevator are also greatly improved, and the failure rate of the elevator is reduced. The structure adopts the two lift car wheels, the arrangement is freer, and the arrangement flexibility of the traction machine can also be greatly improved through the inclined arrangement of the two lift car wheels.
Owner:GIANT KONE ELEVATOR CO LTD

Elevator landing door opening protection device

The invention discloses a landing door opening protection device with an improved structure. The landing door opening protection device comprises a landing door limit component, wherein the landing door limit component comprises a rotary swing locking block and a limit piece which is in interference fit with the rotary swing locking block in a clamping way; the movement locus plane of the rotary swing locking block is parallel with a horizontal plane or forms an acute angle with the horizontal plane; a coupler lock swing arm and a driving swing arm are arranged by extending the rotary swing locking block towards two outer sides along the rotary swing axis; the limit piece is fixedly connected with a landing door guide rail frame and is vertically downward. Compared with the prior art, the landing door opening protection device has the beneficial effects that 1, the whole structure is simple, the size is small, the mounting is convenient, the universality is strong, and the landing door opening protection device can be directly mounted on an existing landing door without a landing door protection device; 2, a non-contact structure is adopted, no friction and no noise exist, the wear rate is low, and the operation comfort of an elevator is improved; 3, the operation is convenient, the action is sensitive, the safety performance is strong, the possibility that an operator accidentally falls into a hoistway is reduced, and the personal safety of the operator is guaranteed.
Owner:HITACHI ELEVATOR CHINA

Rigidity-adjustable elastic hinging device of low-floor train and rigidity adjusting method of rigidity-adjustable elastic hinging device

ActiveCN105539489AMeet the requirements of small curvature radiusImprove running comfortRailway couplingsEngineeringSacroiliac joint
The invention discloses a rigidity-adjustable elastic hinging device of a low-floor train and a rigidity adjusting method of the rigidity-adjustable elastic hinging device. The elastic hinging device of the low-floor train comprises a center pin, a spherical hinge joint pair and a rigid hook. The center pin is integrally connected with the rigid hook. The elastic hinging device further comprises a middle plate, a front support, a rear support, a first rubber supporting body, a second rubber supporting body, a first rubber backstop, a second rubber backstop, a first transverse stop block and a second transverse stop block. The front support and the rear support are both arranged between the first rubber supporting body and the second rubber supporting body. Rubber in the first rubber supporting body and rubber in the second rubber supporting body are both transverse and pre-stretched in the direction away from the front support and the rear support. The spherical hinge joint pair and the front support are integrally connected. The inner diameter of the spherical hinge joint pair is matched with the outer diameter of the center pin. The center pin penetrates through the spherical hinge joint pair, so that the rigid hook and the front support are connected in a matched mode. By means of the rigidity-adjustable elastic hinging device, the requirement for a small-curvature radius of an urban track is met while the train operation comfort is improved, and the driving safety can be guaranteed.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

Passenger lift of flexible counterweight guide rail

The invention provides a passenger lift of a flexible counterweight guide rail, belonging to the technical field of a lift. The passenger lift comprises a lift car, a counterweight, a counterweight guide rail, a counterweight guide boot, wherein the counterweight guide rail is formed by the means that two steel wire ropes are vertically fixed in a lift well; the counterweight guide boot is a cylinder-shaped guide boot which consists of two semi-cylinders; and the cylinder-shaped guide boots are sleeved and fixed on the steel wire ropes. The bottom and the top of the lift well are respectively provided with fixed boards, and the upper ends and the lower ends of the steel wire ropes are connected with the fixed boards. The two steel wire ropes which are vertical to each other and have the diameter of safe isolation of phi 13mm are arranged between the counterweight and the loft car, and the upper ends and the lower ends of the steel wire ropes are connected with the fixed boards. The passenger lift is reasonable and simple in structure, easy in manufacture, low in cost, and convenient and safe in use. The passenger lift replaces the original two guide rails with the two steel wire ropes, is convenient and fast in construction, saves the material and the manufacture cost, and improves the running comfortable sensation of the lift.
Owner:施凤鸣

Self-powered urban rail train operation comfort level detecting device based on LabVIEW

The invention relates to a self-powered urban rail train operation comfort level detecting device based on LabVIEW. The self-powered urban rail train operation comfort level detecting device comprises the components of an accelerator sensor (1), a data acquisition unit, a self-powered power supply unit, a data transmission unit (4), a personal computer (5) and an indicating unit (6); wherein the acceleration sensor (1), the data acquisition unit, the self-powered power supply unit and the data transmission unit are mounted in a train compartment; and the personal computer (5) and the indicating unit (6) are mounted in a cab. LabVIEW software is installed on the personal computer (5). The self-powered power supply unit is connected with the acceleration sensor (1), the data acquisition unit and the personal computer (5). The data acquisition unit is connected with the acceleration sensor (1) and the data transmission unit (4). The data transmission unit (4) is connected with the personal computer (5) and the indicating unit (6). Compared with the prior art, the self-powered urban rail train operation comfort level detecting device has advantages of self-powering capability, convenient use, real-time data recording, scientific and reliable detecting result, etc.
Owner:SHANGHAI UNIV OF ENG SCI

Rack rail braking non-power bogie and braking method thereof

The invention discloses a rack rail braking non-power bogie and a braking method thereof. The non-power bogie comprises a framework and wheels, a rack rail wheel supporting beam is installed on the framework, and rack rail wheels installed on rack rail wheel shafts are arranged in the middle of the rack rail wheel supporting beam; brake drums are mounted at one side or two sides of the toothed rail wheel, and the toothed rail wheel and the brake drums are coaxially arranged; the toothed rail wheel, the brake drum and the toothed rail wheel shaft are in interference connection; the rack rail wheel supporting beam, the rack rail wheel and the brake drum are all located in the upper portion of a primary spring of the bogie and located in the middle of the framework. A brake belt is arranged on the surface of the brake drum in a surrounding mode. The dynamic performance and the braking performance of the bogie are remarkably improved.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO

Parking foundation brake device for vehicle

The invention relates to a parking foundation brake device for a vehicle. The device comprises a braking clamp, a parking unit brake cylinder, a brake pad and a brake disc. The parking unit brake cylinder is composed of a unit brake cylinder and a parking cylinder; the unit brake cylinder comprises a brake cylinder, a middle body, a brake piston assembly, a brake adjusting mechanism and a yoke; the brake adjusting mechanism comprises an adjusting shaft, a guiding nut assembly, a resistant adjusting assembly and an adjusting nut assembly; the parking cylinder comprises a parking cylinder body, a parking piston assembly and a parking control mechanism; the parking control mechanism comprises a wedged body and a thrust sleeve. According to the device provided by the invention, a gap, between the brake pad and the brake disc, which is enlarged due to abrasion, can be automatically adjusted in the brake process, and the resistance adjusting assembly immediately acts when the brake force reaches a certain limit to resist the brake adjusting mechanism to adjust, so that the gap between the brake pad and the brake disc is still maintained in a normal range. The parking brake force provided by the invention is transferred through a bevel of the wedged body, so that the parking brake force is improved.
Owner:CRRC CHANGZHOU TECH MARK IND CO LTD +1

Elevator traction bearing component and elevator

The invention discloses an elevator traction bearing component and an elevator. The elevator traction bearing component comprises one or more traction bearing units; each traction bearing unit includes a polymer substrate, and at least one nonmetal fiber embedded in the polymer substrate and continuously extending in the length direction of the traction bearing unit; the nonmetal fibers are glass fibers, carbon fibers or nylon fibers; and diameters d of the nonmetal fibers are 3-80 microns. The nonmetal fibers are leaded into the elevator traction bearing component to realize lighter design of the elevator traction bearing component, so that the weight of the elevator traction bearing component is largely reduced, and the use noise of the elevator traction bearing component is lowered. The elevator adopting the elevator traction bearing component with lighter design can be more suitable for a compact building hoistway to improve the elevator operation comfort.
Owner:SJEC CORP

Self-balancing mechanism for elevator car

The invention discloses a self-balancing mechanism for an elevator car. The self-balancing mechanism comprises a top seat and a balancing chain. The top seat is located between bases and a wheel disc.A disc core is arranged in the center of the wheel disc. A shaft sleeve is arranged in the middle of the bottom of each base. Shafts are correspondingly mounted in the disc core and the shaft sleeves. The bases are mounted on the two sides of the shafts. The balancing chain is wound around the wheel disc through the shaft sleeves. The self-balancing mechanism is simple in structure, low in manufacturing cost, easy to mount and operate, good in reliability, capable of being widely used for transformation of an old elevator and easy to popularize; and the operating comfort of the elevator is improved, the friction of an elevator guide shoe is reduced, and the service life of the elevator guide shoe is prolonged.
Owner:施密特电梯有限公司

Actuator for an automated or automatic transmission, and method for controlling said actuator

The invention relates to an actuator (1) for an automated or automatic transmission, having a cylinder housing (3), a piston unit (2), and a piston rod (13). The piston unit (2) is coupled to the piston rod (13) and is arranged in the cylinder housing (3) in a movable manner along an axial longitudinal axis (4). The piston unit (2) separates two pressure chambers (8, 9), which have a variable volume, in the cylinder housing (3), said pressure chambers being used to supply the piston unit (2) with compressed air on both sides. The two pressure chambers (8, 9) are connected to a valve unit (14),by means of which the application of pressure or the ventilation of each of the two pressure chambers (8, 9) can be switched, and an end stop damping device for damping at least one end stop of the piston unit (2) is arranged in the actuator (1). In order to improve the end stop damping device, a pneumatically and mechanically operating damping stage is provided.
Owner:ZF CV SYST EURO BV

Low-floor vehicle elastic hinge device with adjustable stiffness and method for adjusting stiffness

ActiveCN105539489BMeet the requirements of small curvature radiusImprove running comfortRailway couplingsEngineeringSacroiliac joint
The invention discloses a rigidity-adjustable elastic hinging device of a low-floor train and a rigidity adjusting method of the rigidity-adjustable elastic hinging device. The elastic hinging device of the low-floor train comprises a center pin, a spherical hinge joint pair and a rigid hook. The center pin is integrally connected with the rigid hook. The elastic hinging device further comprises a middle plate, a front support, a rear support, a first rubber supporting body, a second rubber supporting body, a first rubber backstop, a second rubber backstop, a first transverse stop block and a second transverse stop block. The front support and the rear support are both arranged between the first rubber supporting body and the second rubber supporting body. Rubber in the first rubber supporting body and rubber in the second rubber supporting body are both transverse and pre-stretched in the direction away from the front support and the rear support. The spherical hinge joint pair and the front support are integrally connected. The inner diameter of the spherical hinge joint pair is matched with the outer diameter of the center pin. The center pin penetrates through the spherical hinge joint pair, so that the rigid hook and the front support are connected in a matched mode. By means of the rigidity-adjustable elastic hinging device, the requirement for a small-curvature radius of an urban track is met while the train operation comfort is improved, and the driving safety can be guaranteed.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

A vibration-absorbing structure for under-vehicle equipment of railway vehicles

The invention relates to a vibration absorption structure for railway vehicle bottom suspension equipment. The vibration absorption structure comprises a vibration absorption box fixedly covering theouter surface of the body of the bottom suspension equipment; the vibration absorption box comprises an inner metal layer, a rubber damping layer and an outer counterweight metal layer connected intoa whole inside out sequentially; hanging elements penetrating the rubber damping layer and the outer counterweight metal layer are mounted on the inner metal layer, and used for hanging the bottom suspension equipment on the body of the railway vehicle. Compared with the prior art, the vibration absorption structure has the advantages that, with the vibration absorption box mounted on the outer side of the bottom suspension equipment, vibration transmitted to the vehicle floor from the bottom suspension equipment can be reduced effectively, and meanwhile, vibration energy of the bottom suspension equipment can also be absorbed, so that running comfort level of the vehicle can be improved, fault probability within the service cycle caused by concentration of the vibration energy of the bottom suspension equipment can be reduced greatly, and running safety of the vehicle can be improved greatly.
Owner:TONGJI UNIV

Drives for door or window sashes

ActiveCN110630133BAdjust start pointGood interference fitBuilding braking devicesPower-operated mechanismEngineeringMechanical engineering
The invention relates to a drive device for a leaf of a door or a window, said drive device comprising a housing and a piston-cylinder unit, the through-piston of which constitutes a pressure chamber and a pressure-free chamber Mounted movably in the cylinder of the piston-cylinder unit, hydraulic medium is transferable between a pressure chamber and an unpressure chamber during corresponding closing and opening movements of the piston. Here, the housing is provided with inflow and / or outflow holes for the hydraulic medium to be transferred, which are passed successively and closed during the corresponding closing or opening movement of the piston of the piston-cylinder unit or open. In addition, a regulating valve is provided, which is provided with at least one opening for overflowing hydraulic medium, which cooperates with inflow and / or outflow openings provided in the housing, so that in order to pass through the regulating valve The opening overflow hydraulic medium can open different inflow and / or outflow openings of the housing according to the corresponding adjustment of the control valve.
Owner:GEZE GMBH

Method and device for controlling vehicle traffic at continuous intersections

The invention discloses a continuous intersection traffic control method and device. The continuous intersection traffic control method comprises: step 1, collecting signal lamp information and vehicle information on vehicle running route; step 2, calculating a phase space-time diagram of N signal lamps on the vehicle running route according to the information collected in the step 1) in combination with pre-loaded map information; step 3, setting a speed vk, wherein k is equal to 1, 2, ..., n, and n is a natural number; step 4, judging whether a passing time of passing by the ith signal lamp at the speed vk is within a green light phase in the phase space-time diagram, if so, the speed vk is an effective speed ui, and on the contrary, entering step 3; step 5, calculating multiple groups of effective speed combinations passing by N intersections, figuring out the total oil consumption of each group of effective speed combinations, using the effective speed combination with the lowest total oil consumption as an economic vehicle speed, and prompting the economic vehicle speed to drivers. The continuous intersection traffic control method disclosed by the invention can be used for achieving the aim of economic driving.
Owner:TSINGHUA UNIV

Hydraulic elevator with car balancing function

The invention discloses a hydraulic elevator with a car balancing function. A car is internally provided with a balance degree detection component used for detecting the balance degree of the car; thebottom of the car is provided with a car balancing component controlled by a balance control system; the car balancing component comprises a movable balance block; the balance degree detection component comprises an infrared emitter, an infrared receiver, a first infrared receiving module and a second infrared receiving module; the infrared emitter is arranged on the inner side of the front car wall of the car; the infrared receiver, the first infrared receiving module and the second infrared receiving module are arranged on the inner side of the rear car wall; the infrared emitter and the infrared receiver are located on the same horizontal plane; the first infrared receiving module is located above the infrared receiver; and the second infrared receiving module is located below the infrared receiver. According to the hydraulic elevator, the operation comfort of the elevator is improved, and the friction of elevator guide shoes is reduced; and the service life of the elevator guide shoes is prolonged.
Owner:王潇

Drive device for leaf of door or window

The invention relates to a drive device for a leaf of a door or window. The drive device comprises a housing and a piston-cylinder unit, the piston-cylinder unit is movably mounted in a cylinder of the piston-cylinder unit by means of a piston forming a pressure chamber and a non-pressure chamber, and the hydraulic medium is displaceable between the pressure chamber and the non-pressure chamber during the respective closing and opening movement of the piston. The housing is provided with an inflow and / or outflow opening for the hydraulic medium to be transferred, which inflow and / or outflow opening is passed one after the other and is closed or released during a respective closing or opening movement of the piston of the piston-cylinder unit. Furthermore, a control valve is provided, the control valve is provided with at least one opening for overflowing hydraulic medium, and the control valve cooperates with an inflow and / or outflow hole arranged in the housing, so that different inflow and / or outflow holes of the housing can be released according to the corresponding adjustment of the control valve in order to overflow the hydraulic medium through the opening of the control valve.
Owner:GEZE GMBH

Machine-room-less elevator main machine arrangement structure

The invention provides a machine-room-less elevator main machine arrangement structure. The machine-room-less elevator main machine arrangement structure comprises a main machine, a bearing plate, twocounterweight guide rails, a counterweight movably arranged between the two counterweight guide rails, two car guide rails, a car movably arranged between the two car guide rails and a rope hitch plate; and the rope hitch plate is connected with the counterweight through a steel wire rope so as to balance the moment applied to the main machine by the car. According to the machine-room-less elevator main machine arrangement structure, the gravity of the counterweight acts on the main machine, the acting force of the car on the main machine can be counteracted, and the main machine can be prevented from overturning.
Owner:NINGBO HONGDA ELEVATOR

Heat pump air conditioning system and control logic

The invention provides a heat pump air conditioning system which can stably and efficiently operate under any working condition. When the environmental temperature is low, small part of hot water prepared by the system is sprayed to the surface of an air-cooled heat exchanger, a frost layer on the surface of the heat exchanger is dissolved and removed, and the heating capacity of the system is improved. When the environmental temperature is quite high, small part of cold water prepared by the system is utilized to conduct auxiliary cooling on the air-cooled heat exchanger, the condensing temperature of the system is reduced, then the operation reliability and the operation efficiency of the system are improved, and the defrosting effect and the heating effect of the air-cooled heat exchanger under various low-temperature working conditions are fully guaranteed. Meanwhile, the cooling effect under the high-temperature working condition can be improved, the annual operation efficiency of the system can be comprehensively improved, and the multiple purposes of improving the heating effect, the operation comfort and other performance of a cold system can be achieved.
Owner:GUANDONG GIWEE TECH CO LTD

Mouse capable of reducing friction

The invention relates to a mouse capable of reducing friction. The mouse comprises a mouse body, an upper cover and an idler wheel, the upper cover is detachably installed at the upper end of the mouse body, the idler wheel is rotatably embedded in the upper end of the front side of the upper cover, the lower end of the mouse body is provided with a plurality of pad bodies, the mouse body is provided with a chargeable and dischargeable power source, and the chargeable and dischargeable power source is connected with the exterior through a line; the lower end of the mouse body is provided withmultiple rotatable rolling balls; both sides of the mouse body are provided with supporting plates which are both fixedly connected with the mouse body, and the two supporting plates are provided withgrooves matched with finger structures. Compared with the prior art, the rotatable rolling balls can reduce friction generated during movement of the mouse body and improve movement comfort; the twosupporting plates can support fingers on the two sides of the mouse body to prevent the fingers on the two sides from clinging to a mouse pad, and reduce friction.
Owner:柳州佰利科技有限责任公司

vehicle foundation brake

A vehicle foundation braking device comprises a braking clamp, an unit braking cylinder, a brake pad and a brake disc, wherein the unit braking cylinder comprises a braking cylinder body, an intermediate body, a braking piston assembly, a braking adjusting mechanism and a yoke; the braking adjusting mechanism comprises an adjusting shaft, a guide nut assembly and an adjusting nut assembly; a parking cylinder comprises a parking cylinder body, a parking piston assembly and a parking control mechanism; the parking control mechanism comprises a wedge-shaped body and a thrust sleeve. The vehicle foundation braking device is reliable in braking performance, and particularly can automatically adjust a gap which is enlarged caused by the wear between the brake pad and the brake disc during the braking process; an adjusting resisting assembly can timely act to resist adjustment of the braking adjusting mechanism when the braking force reaches a certain degree, and thus the gap between the brake pad and the brake disc can be kept within the normal range all the time.
Owner:CRRC CHANGZHOU TECH MARK IND CO LTD +1

Drives for doors or windows

The invention relates to a drive device for a leaf of a door or window, comprising a housing and a piston-cylinder unit, the piston-cylinder unit of which is movably supported by means of a piston forming a pressure chamber and a pressure-free chamber In the cylinder of the piston-cylinder unit, hydraulic medium is transferable between a pressure chamber and an unpressure chamber during corresponding closing and opening movements of the piston. The housing is provided with inflow and / or outflow holes for the hydraulic medium to be diverted which are offset relative to each other both along the axis of the cylinder of the piston-cylinder unit and along its circumference, which are closed at the corresponding closure of the piston of the piston-cylinder unit Or being driven over and closed or opened during the opening movement. A regulating valve is also provided, which has a valve section which is adjustable in the direction of the axis of the valve bore. The inlet and / or outlet openings of the housing open into the valve openings. The control valve interacts with the inflow and / or outflow openings so that the different inflow and / or outflow openings of the housing can be closed or the different inflow and / or outflow openings can be opened.
Owner:GEZE GMBH

Distributed air supply device and air conditioner

The invention provides a distributed air supply device and an air conditioner, the distributed air supply device comprises an air pipe machine and a suspended ceiling, the air pipe machine is arranged in the suspended ceiling, a first air opening is formed in the front side of the suspended ceiling, and the front side is opposite to a wall and is connected with the ceiling; the duct type air conditioner comprises a machine shell, a draught fan, a heat exchanger and a first air return opening, the first air return opening is formed in the top of the machine shell, and the first air return opening can communicate with a first air opening so that air can be sucked from the first air opening; and air flow is driven by the fan to enter the machine shell through the first air opening and the first air return opening in sequence and is subjected to heat exchange through the heat exchanger. According to the invention, the problem of inconvenience in maintenance of mounting and dismounting below the suspended ceiling is solved, so that maintenance is carried out on the front side of the suspended ceiling, a unit does not need to be provided with a lower maintenance port, front maintenance is realized, and the suspended ceiling is more convenient and more attractive in appearance.
Owner:GREE ELECTRIC APPLIANCES INC

Turnout supporting and guiding device of embedded maglev traffic system

The invention discloses a turnout supporting and guiding device of an embedded maglev traffic system. The device comprises a supporting mechanism, a fixed guide mechanism, a movable guide mechanism and a tensile mechanism, wherein the supporting mechanism comprises a seat body, a walking wheel and a connecting part, the seat body is provided with an accommodating cavity for accommodating the walking wheel, the walking wheel is arranged in the accommodating cavity of the seat body and can walk on a top surface of a turnout guide rail, the top of the seat body is fixedly connected with a turnout unit through a connecting part; the fixed guide mechanism comprises a fixed guide wheel and a fixed part, the fixed guide wheel is fixed on one side of the seat body through the fixed part, and the fixed guide wheel can be tightly attached to a guide surface on one side of the turnout guide rail and roll along the guide surface on one side of the turnout guide rail; the movable guide mechanism comprises a pressing part, a movable guide assembly and an elastic adjusting assembly; the tensile mechanism comprises tensile units symmetrically arranged on the two sides of the turnout guide rail. The device is advantaged in that potential safety hazards can be reduced, and position precision and the vehicle running comfort can be improved.
Owner:四川发展磁浮科技有限公司
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