47results about How to "Guaranteed functional reliability" patented technology

A level transmitter for liquid containers, particularly fuel store tanks, comprising a housing in which a contactless sensor is arranged which is connected with an evaluating unit and operatively connected with a magnet that moves relative to the sensor when a float arranged at a first end of a lever moves so that the change of the magnetic field acting upon the sensor is transformed into an electric signal so that an output signal corresponding to the level of the liquid in the container is obtainable by the evaluating means. The magnet is configured at least as a segment of an annular magnet that is arranged at a second end of the lever and integrated therein.

A coolant pump of an internal combustion engine, with a pump housing and a hollow shaft rotatably mounted therein. Coolant is delivered via an impeller wheel from a suction connection. The flow is controlled by a guide plate on the impeller wheel that is variably displaceable axially between two end positions. The guide plate is adjustable by a push rod actuator guided in the pump shaft. The actuator has a radial piston pump integrated within the coolant pump with an intake piston and a counterpiston guided in the pump shaft, that are inserted lying opposite one another and delimit a pressure space. The pistons are enclosed outside by a linearly displaceable control element guided in the pump housing. Adjustment of the control element takes place as a function of a rotary angle of the pump shaft via an actuator unit having an electrically operated actuating element and a linear freewheel.

The invention relates to a spring-based hydraulic device and a method for suspending a riser string. The device comprises an upper disk of a cyclic structure, a lower disk of the same cyclic structure arranged oppositely to the upper disk, a plurality of telescopic pins evenly distributed along the inner edge of the upper disk, two or more than two high-pressure upright columns arranged between the upper disk and the lower disk, and two or more than two common upright columns arranged between the upper disk and the lower disk, wherein each high-pressure upright column comprises a hydraulic cylinder, the bottom end of the hydraulic cylinder is fastened to the top surface of the lower disk, a piston rod is inserted into the hydraulic cylinder, the top end of the piston rod is fastened to the bottom surface of the upper disk, and the upper and lower cavities of the hydraulic cylinder are full of a high-pressure liquid; each common upright column comprises an outer barrel, an inner barrel located inside the outer barrel, a piston arranged at the bottom end of the inner barrel, and a high-strength spring sleeving the outer barrel and the inner barrel, and wherein the bottom end of the outer barrel is fastened to the top surface of the lower disk, the top end of the inner barrel is fastened to the bottom surface of the upper disk, and the top end of the high-strength spring props against the bottom surface of the upper disk, while the bottom end of the high-strength spring props against the top surface of the lower disk.

In the case of a tool clamping device, in particular, for an operating spindle of a processing machine, with an activation element (3) that can be moved by a drive between a first position, in which the tool clamping device is located in a clamped position, and a second position, in which the tool clamping device is located in a released position, a sensor is present in the form of at least one electrical component for detecting a position of the activation element (3). The sensor is integrated structurally into the tool clamping device and at least one section of the activation element (3) directly forms a component of the one or more electrical components, wherein its position influences an electrical property of this component. The component can be an electrical switch whose closed state depends on the position of the activation element (3) in that at least one section of the activation element (3) is electrically conductive and forms a contact electrode of the switch or a part of such an electrode. However, it could also be a capacitor or an inductor.

The invention discloses an adsorption tool for fingerprint module group metal ring assembling. The adsorption tool comprises a base, a left supporting plate, a right supporting plate, a horizontal bridge plate, at least one horizontal objective table and a switching plate installed on the horizontal objective table. The left supporting plate and the right supporting plate are installed at the left side and the right side of the base. Two x-direction linear rails are arranged on the surface of the base in parallel; at least one x-direction sliding block is fixed on the lower surface of the horizontal objective table in parallel; and the x-direction linear rails are embedded into the groove of the x-direction sliding block. At least one lifting plate is arranged between the horizontal bridge plate and the horizontal objective table in parallel. A plurality of guiding posts are installed at the horizontal bridge plate and the horizontal objective table vertically. A plastic cavity box is installed at the lower end surface of the lifting plate; and a left cylinder, a right cylinder, and a testing pressing seat are arranged in the cavity of the plastic cavity box respectively. The adsorption tool can be used conveniently. The production efficiency is improved and the manpower cost is saved. The function reliability of all products is guaranteed; multiple products can be tested simultaneously; and the capacity can be enhanced.

The invention relates to a method for the redundant signal processing of a safety-relevant application, in particular of a safety control unit of a motor vehicle, wherein at least two redundant signals are fed from at least one sensor (4) to an electronic circuit assembly (2) as input signals (6) for processing of the sensor information. At least one input signal (6) is converted into a different test signal (16). In the electronic circuit assembly (2), the one or more input signals (6) are fed to a first peripheral module (12) of a microcontroller (10), and the test signal (16) is fed to an additional peripheral module (18) of the microcontroller (10). The sensor information of the input signals (6) and of the test signals (16) are thus redundantly processed independently of each other in a respective peripheral module (12, 18) of the microcontroller (10). The invention further relates to an electronic circuit assembly (2) for performing such a method, a motor vehicle brake system, a motor vehicle having said brake system, and a use of such an electronic circuit assembly.

The invention relates to a tube pass tandem type tube and shell heat exchanger based on a deep sea self-flow circulation cooling system. The tube pass tandem type tube and shell heat exchanger comprises a shell body, heat exchange tubes, baffle plates and tube plates. The tube plates are mounted at the two ends of the shell body separately, the multiple baffle plates are arranged in the shell body in the radial direction, mounting holes are formed in the tube plates and the baffle plates, and the multiple heat exchange tubes penetrate through the mounting holes of the baffle plates and are connected with the tube plates at the two ends of the shell body separately. The tube pass tandem type tube and shell heat exchanger further comprises water collecting chambers. The water collecting chambers are arranged on the outer sides of any tube plates. The water collecting chambers, the shell body, the heat exchange tubes, the baffle plates and the tube plates are combined to form sub heat exchangers, the adjacent sub heat exchangers are connected in series through barrel body connecting devices, and tube passes between the adjacent sub heat exchangers are connected into a whole. Sea water directly flows through the tube passes, so that the resistance loss of the sea water along the passes is reduced, the critical flow velocity point of self-flow circulation is reduced, and the self-flow circulation capacity is improved. The sub heat exchangers are connected in series through the barrel body connecting devices, and therefore the heat exchange function and the sealing reliability of the sub heat exchangers can be guaranteed.

The invention relates to a middle supporting structure of an automobile transmission shaft. The middle supporting structure comprises a strip-shaped supporting body and is characterized in that a left supporting bracket is arranged on the left portion of the supporting body, a right supporting bracket is arranged on the right portion of the supporting body, and the left supporting bracket and the right supporting bracket are the same in structure; the upper end of the left supporting bracket and the upper end of the right supporting bracket are respectively connected with a projection welding nut in a positioning mode. The middle supporting structure can effectively and reliably support the transmission shaft, guarantees stability and reliably of functions of the transmission shaft in a traveling process, and is simple in structure, low in weight, low in cost and easy to form.

The invention relates to a receptacle comprised of an elastically flexible plastic material, comprising a dosing chamber (10), inside of which a medium to be discharged is located. One end of the dosing chamber (10) has a discharge opening (18), and the opposite end is connected via a junction point (20) to a compressible receptacle part (22) inside of which an, in particular, gaseous propelling medium is located. When compressing the receptacle part (22), the propelling medium forces, at least one part, the medium to be discharged out of the dosing chamber (10) via the discharge opening (18). An increased functional reliability in every application is ensured by virtue of the fact that the junction point (20) between the dosing chamber (10) and the receptacle part (22) is formed by a bottleneck provided for creating a capillary effect that, independent of the spatial position of the receptacle, prevents a transfer of the medium to be discharged from the dosing chamber (10) into the receptacle part (22) containing the propelling medium.

The invention relates to so-called fuze damping in projectiles, in particular, those provided with a built-in firing delay. Thus, a projectile (1) is provided having a rear part (1a) and a fuze (2), wherein at least one damping element (7) is inserted between a fuze base (5) and the projectile (1) and / or between a fuze shoulder (6) and a possible threaded ring (4), or similar attachment element. The damping element (7) is in the form of a disc, ring or pot, and is composed of a material with a lower acoustic impedance than the material of the projectile (1).

The invention relates to an electrical machine (100) for starting an internal combustion machine. The electrical machine has at least one bearing (49) which has a bearing support (51) which can be inserted in the bearing for movably bearing a lever (44). The lever is coupled with a relay armature (42) and a free wheel mechanism (33) of a starter pinion (35). At least one compensating element (1, 2) is arranged for clearance-free arrangement of the bearing support (51) in the bearing (49). The invention also relates to a method for manufacturing the electrical machine (100), and the method comprises a step of installing the bearing support (51) in the bearing (49), wherein the bearing support (51) is arranged in the bearing (49) in a clearance-free manner through the at least one compensating element (1, 2).

The present invention relates to a closing sequence control for a double-leaf door, including a door having an inactive leaf and an active leaf, the door leaves thereof being movable by respectively one overhead door closer being mounted to the push-side of the door leaves at the inactive leaf and at the active leaf, wherein each overhead door closer includes a closer shaft, which is connected to the one end of a pivoting arm, which in turn, with its other end, is longitudinally movable guided in a frame-fixed guiding rail via a sliding member, and the sliding member, associated to the active leaf, is connected to a clamping rod which is supported in the guiding rail, which rod can be charged by a clamping element, which, when the inactive leaf is in the closing condition, is maintained in a releasing position by means of a trigger element, and, during an opening movement of the inactive leaf, it can be transferred into a blocking position by means of the trigger element. With the intention to configure such a closing sequence control in such a way that the door hinges of the door leaves can be disposed on the side facing away from the door closers, the guiding rail and the closing sequence control, wherein a reliable closing sequence control can be guaranteed without electrical, hydraulic or pneumatic control, according to the invention it is provided that the trigger element (8) is in operative connection with a double-armed lever (11), which can be charged by means of the closer shaft (5) of the overhead door closer (3) mounted to the inactive leaf (1) in such a way that the trigger element (8) transfers the blocking element (8) into its releasing position.

A pivoting fitting (1) comprises a first tab (2) and a second tab (3) which are mounted so as to be rotatable relative to each other about an axis (6), and a locking mechanism having at least one pawl (5) and toothing (4), wherein the pawl (5) can be engaged in the toothing in a plurality of positions and permits a pivoting movement of the first tab (2) with respect to the second tab (3) in a first direction and blocks movement in an opposing direction, and wherein at least one control element (14) is provided to disengage the at least one pawl (5) from the toothing (4) and then to pivot the first tab (2) with respect to the second tab (3) in the second direction through an angle, wherein the at least one pawl (5) is retained by a spring element (9) in a position engaged in the toothing (4), wherein the spring element (9) is at least partially made from an elastomer material. In this way, the pivoting fitting (1) can be pivoted with little noise.

In the case of a tool clamping device, in particular, for an operating spindle of a processing machine, with an activation element (3) that can be moved by a drive between a first position, in which the tool clamping device is located in a clamped position, and a second position, in which the tool clamping device is located in a released position, a sensor is present in the form of at least one electrical component for detecting a position of the activation element (3). The sensor is integrated structurally into the tool clamping device and at least one section of the activation element (3) directly forms a component of the one or more electrical components, wherein its position influences an electrical property of this component. The component can be an electrical switch whose closed state depends on the position of the activation element (3) in that at least one section of the activation element (3) is electrically conductive and forms a contact electrode of the switch or a part of such an electrode. However, it could also be a capacitor or an inductor.

The invention relates to a motor vehicle door lock equipped with a locking mechanism (2, 3), an actuation lever mechanism (6a, 6b) acting on the locking mechanism (2, 3), and a locking element (14). The locking element (14) disables the actuation lever mechanism (6a, 6b) when accelerating forces (F) of a defined magnitude occur, for example in the event of an accident. According to the motor vehicle door lock, the locking element (14) is a transmission lever (14) which can be impinged upon by a locking unit (11, 12) and is located between the actuation lever mechanism (6a, 6b) and the locking mechanism (2, 3).

The invention relates to a hanging device for water isolating pipes and a hanging method thereof. The hanging device is characterized by comprising a shell type bracket provided with a through hole in a bottom end, a hollow hanging chuck coaxially and tightly connected to the upper end of the bracket, a plurality of hydraulic cylinders evenly hinged to the lower surface of the hanging chuck, a second hanging chuck hinged to piston connecting rods of the hydraulic cylinders and having the same structure with the hanging chuck, and a water isolating pipe string hinged on the hanging chuck and / or the second hanging chuck, wherein a plurality of pins extending in the radial direction are evenly distributed on the inner walls of the hanging chuck and the second hanging chuck; and hydraulic fluid with pressure difference are fully filled in two cavities of the hydraulic cylinders. The hanging device has such advantages as simple operation and strong operability under emergency condition.

A piece of furniture (1) comprising a furniture body (2), a drawer (3) and at least one inner drawer (5) are movably held on said furniture body (2), wherein said inner drawer ( 5) in the closed position at least partly concealed by the front panel (4) of said drawer (3), and in the locking device of the first push-out device (12) by the movement of the drive (13) driven by the force accumulator After unlocking, said drawer (3) can be pushed out by means of at least one first push-out device (12) and after locking of said second push-out device (15) by movement of a drive (16) powered by an accumulator After the device has been unlocked, the at least one inner drawer (5) can be pushed out by at least one second push-out device (15), wherein the locking device of the at least one first push-out device (12) is driven by mechanical synchronization means (21, 21 ') is synchronized with the locking means of said at least one second ejection means (15). The invention also relates to a method for opening the drawer (3) and the inner drawer (5).

The invention relates to the technical field of satellite communication, and discloses a rotary table for a portable ground satellite station, which comprises an upper cavity, a lower cavity and a driving mechanism, wherein the upper cavity is mounted with the lower cavity through a seal ring in a matched manner; the driving mechanism is arranged in the upper cavity; a motor in the driving mechanism adopts a double-shaft stretched manner; one end of the motor in the driving mechanism is connected with a deceleration device; the other end of the driving mechanism is connected with a manual handle. The rotary table adopts independent modularized design, so as to enhance the suitability and the practicability of the rotary table; the weight of the portable ground satellite station is reduced effectively; the size is reduced; the carrying is convenient; the service life in an harsh environment is prolonged; the functional reliability during use in the harsh environment is guaranteed.

The invention belongs to a valve hydraulic drive device, and specifically relates to a linear gas-liquid linkage valve drive device applicable to the severe rugged environment and capable of realizing a fast emergency shutdown function. The combined type nested oil cylinder valve drive device comprises a hydraulic cylinder assembly. A piston rod is arranged in the middle of the hydraulic cylinder assembly; and an electrical and instrument box and a motor hydraulic pump are arranged on the side wall of the hydraulic cylinder assembly. The combined type nested oil cylinder valve drive device provided by the invention has the remarkable effects that for the application, a structure needs to be simplified, and thus a compact design is produced. Through the combined type nested oil cylinder valve drive device provided by the invention, the valve drive device can be compact in structure and superior in anti-seismic property under special working conditions, and a fast shutdown function of the valve can be provided, so that the function reliability under accident conditions is ensured maximally.

The invention discloses a direct current motor one-way driver. When a microcontroller chip works normally, a microcontroller monitoring circuit enables a PWM driving chip and switches off a bypass driving circuit; and when the microcontroller chip works abnormally or is damaged, the microcontroller monitoring circuit forbids the PWM driving chip to output PWM driving signals and switches on the bypass driving circuit, at the moment, a power switch circuit is in a switch-off state, and the bypass driving circuit directly drives a direct current motor. According to the direct current motor one-way driver, hardware circuits of two driving paths of PWM driving and bypass driving of the motor are relatively independent, the micro-controller monitoring circuit switches the two paths according to the work state of the microcontroller chip, since the output voltage of a charge pump module of the PWM driving chip is shared, on the premise of guaranteeing the control function and the circuit reliability, the circuit design is simplified, and the utilization rate of the PWM driving chip is increased.

The invention relates to a seal cover, a bearing unit and an axle box device. The sealing cover (3) is used for the bearing unit of an axle box device, The sealing cover (3) is annular, two locking projections (10) being formed on one axial end face of the sealing cover, the two locking projections (10) being spaced apart from each other in the circumferential direction and having the same radialposition; the bearing unit is used for the axle box device and comprises a bearing (1) and the sealing cover (3). The axle box device comprises the bearing unit, and the stop protruding part (10) of the sealing cover (3) of the bearing unit and the stop shifting fork (8) of the component of the axle box device form an anti-rotation mechanism.

The invention relates to the technical field of satellite communication, and discloses a rotary table for a portable ground satellite station, which comprises an upper cavity, a lower cavity and a driving mechanism, wherein the upper cavity is mounted with the lower cavity through a seal ring in a matched manner; the driving mechanism is arranged in the upper cavity; a motor in the driving mechanism adopts a double-shaft stretched manner; one end of the motor in the driving mechanism is connected with a deceleration device; the other end of the driving mechanism is connected with a manual handle. The rotary table adopts independent modularized design, so as to enhance the suitability and the practicability of the rotary table; the weight of the portable ground satellite station is reduced effectively; the size is reduced; the carrying is convenient; the service life in an harsh environment is prolonged; the functional reliability during use in the harsh environment is guaranteed.