253results about How to "Short structure length" patented technology

An electric power tool has a device housing with a rear grip extending in the longitudinal direction of the device housing. The device housing has first opposed housing sides and second opposed housing sides. An electric drive motor and its electronic control are arranged in the device housing. A battery pack compartment arranged in the device housing receives a battery pack that has a parallelepipedal shape and extends in a direction of a height axis, width axis and depth axis. The battery pack is arranged such that the width axis and the height axis extend transversely to the longitudinal axis of the device housing. The battery pack has narrow sides extending approximately parallel and at a minimal spacing relative to the first opposed housing sides, respectively. The battery pack has opposed end faces neighboring the second housing sides, respectively.

The invention relates to an image pick-up module, in particular for an endoscope, comprising an electronic image sensor having a plurality of contact fingers that are arranged in two rows on opposite sides and each have a length, and a circuit board, to which the contact fingers are electrically contact-connected, the circuit board having at least three sections which are connected to one another in one piece and of which a first and a second section extend in a manner spaced apart from one another essentially transversely with respect to the image sensor and a third section extends essentially parallel to the image sensor, the image sensor being arranged at the end of the first and second sections which is remote from the third section, and at least one row of the contact fingers of the image sensor running along an outer side of the first or second section. The first section, the second section and the third section are connected to one another in an unarticulated manner, the length of the first section and / or of the second section is less than or equal to the length of the contact fingers and a space is present between the first, second and third sections of the circuit board, at least one electronic component for the control electronics of the image sensor being present in the said space.

A motor vehicle headlamp includes numerous semiconductor light sources disposed in a matrix, which can be activated individually for emitting light, numerous primary lenses disposed in a matrix, allocated to the semiconductor light sources, for bundling the light emitted by the semiconductor light sources and for generating a primary light distribution on light exit surfaces of the primary lenses, and a shared secondary lens for projecting the primary light distributions as secondary light distributions onto a roadway in front of the motor vehicle, such that the secondary light distributions illuminate a high-beam region. To reduce the structural height of the secondary lens without losses in terms of efficiency, the motor vehicle headlamp includes a cylindrical lens having a cylinder axis disposed in the beam path of the light module between the primary lenses and the secondary lens that is oriented such that it is substantially horizontal.

An apparatus is provided for gathering signatures along a conveying section of a circulating conveyor provided with spaced-apart pushers that are attached to a traction mechanism. The apparatus includes a delivery station adapted for being arranged along the conveying section. The delivery station includes a downward slanted conveying path wherein the signatures are supplied via the downward slanted conveying path from the delivery station to the conveyor approximately in synchronism with movement of the circulating conveyor. The conveying path includes a convex conveying section followed by a concave conveying section in the conveying direction for the signatures.

An electric power tool has a device housing with a rear grip extending in the longitudinal direction of the device housing. The device housing has first opposed housing sides and second opposed housing sides. An electric drive motor and its electronic control are arranged in the device housing. A battery pack compartment arranged in the device housing receives a battery pack that has a parallelepipedal shape and extends in a direction of a height axis, width axis and depth axis. The battery pack is arranged such that the width axis and the height axis extend transversely to the longitudinal axis of the device housing. The battery pack has narrow sides extending approximately parallel and at a minimal spacing relative to the first opposed housing sides, respectively. The battery pack has opposed end faces neighboring the second housing sides, respectively.

A fluid pump, in particular for the coolant and heating system of a motor vehicle, has a stator (21) of claw pole construction and a rotor (6), separated from the stator (21) by a pipe (11), which is immersed in the coolant and forms a vane wheel. The rotor (6) is disposed radially inside the stator (21).

A subassembly for a video endoscope with a picture-recording sensor (9) which is electrically conductively arranged on a flexible circuit board (8) which next to the sensor (9) is bent at least at one side and is conductively connected to at least one electrical cable proximally of the sensor (9).

The invention relates to a device for melt-spinning and winding synthetic threads, comprising a spinning device, a treatment device and a winding machine. The treatment device is provided with a take-off godet for guiding the threads before the threads are fed and distributing the threads to a plurality of winding points in the winding machine. The take-off godet is disposed above the winding machine and guides the threads on the circumference such that the threads run parallel next to each other. The take-off godet is arranged transversely to a winding spindle, above the winding machine. Thewinding machine is equipped with a plurality of top thread guides, which are mounted upstream of the winding points and are located in a feeding plane. In order to improve the application process regarding the distribution of the filaments on the individual winding points when starting the process or pausing the process, the take-off godet and the group of the top thread guides for applying the threads into the winding points of the winding machine are designed to be moveable relative to each other according to the invention.

The apparatus (10) for generating a mixture of reducing agent and air has a feed pump (16), by which reducing agent is pumped and which has a pump housing (22, 32). The apparatus (10) furthermore has a mixing chamber (50), into which reducing agent and air pumped by the feed pump (16) can be introduced; the mixing chamber (50) is embodied in a mixing chamber body (36). The mixing chamber body (36) communicates directly with the pump housing (22, 32) of the feed pump (16) and forms a cap of the pump housing (22, 32). The feed pump (16) has a drive shaft (24) for a feed element (30), which protrudes into the pump housing (22) of the feed pump (16), and the mixing chamber body (36) is disposed at least approximately radially to the drive shaft (24). The apparatus (10) has a compact structural size and only a slight reducing agent-filled idle volume.

The invention relates to an ultra-wide-angle high resolution day and night dual-purpose camera lens which is characterized in that a front group (A) with negative focal power and a rear group (B) with positive focal power are respectively arranged along the incident direction from left to right of an optical path, the front group (A) comprises a negative meniscus lens (A-1) and a negative meniscus lens (A-2), the rear group (B) comprises a biconvex lens (B-1), a biconvex lens (B-2) and a cemented group with close connection of a biconvex lens (B-3) and a negative meniscus lens (A-4), and an optical stop (C) is positioned between the biconvex lens (B-1) and the biconvex lens (B-2). The ultra-wide-angle high resolution day and night dual-purpose camera lens has ultra-wide-angle, strong light power, high resolution and wide spectral confocal performance, and can provide a full-interface clear image better than 2 million pixels for a high-resolution network camera system and realize 24-hour continuous monitoring and no shift of an image focus during day-night switching.

The invention relates to a method for the production of a metal strip (1) by roll casting, wherein initially a thin slab (3) is cast in a casting machine (2), wherein said slab is subsequently rolled in at least one rolling train (4, 5) while utilizing the primary heat of the casting process, wherein in a first operating mode a continuous production of the metal strip (1) may occur by directly coupling the casting machine (2) to the at least one rolling train (4, 5) (continuous rolling), and wherein in a second operating mode a discontinuous production of the metal strip (1) may occur by decoupling the casting machine (2) from the at least one rolling train (4, 5) (batch operation). In order to increase the flexibility of the system, the invention provides according to the method that slabs (3) or pre-strips (3') cast in the belt conveying direction (F) behind the casting machine (2) are removed from the main transport line (6) during the operation of the discontinuous production of the metal strip (1), stored, and later re-transported into the main transport line (6), wherein the slabs (3) or pre-strips (3') removed are brought to a desired temperature or are maintained at a desired temperature before the same are re-transported into the main transport line (6). The invention further relates to a device for the production of a metal strip (1) by roll casting.

The invention relates to a zooming camera lens matched with a 3CCD (Charge-Coupled Device) camera. The zooming camera lens comprises a main lens cone and is characterized in that the main lens cone is provided with a front fixed lens group A having positive focal power, a zooming lens group B having negative focal power, a compensation lens group C having negative focal power and a rear fixed lens group D having positive focal power. The zooming camera lens can provide a photoelectric signal for a 1 / 2'' 3CCD colour camera and produce a clear colour video image to carry out real-time monitoring on far and near targets; the lens has high definition, low chromatic aberration, large rear cut-off distance and small structure length and function of presetting a focal length value.

A fuel injection system having an injection valve, a line supplying fuel at high pressure to the injection valve a control valve controlling the pressure in a control chamber communicating with the line. The control valve has a movable valve part is actuatable by an actuator via a hydraulic coupler having two pistons cooperating with a coupler volume of the coupler. A seat of the movable valve part has an inside cross-sectional area f3, with means for filling the coupler volume via guide gaps of the pistons with fuel under pressure. The pistons are located parallel to and inside one another and a booster chamber is located on the ends of the pistons toward the actuator. In the interior of the outer piston defines a filling chamber which communicates with the line and one of the pistons has a cross-sectional area f4 is mechanically coupled to the actuator via a rod having a cross-sectional area f5. The other piston which has a piston area f2, actuates the control valve via a rod having a cross-sectional area that is smaller than f2 and the direction of the closing motion of the movable valve part matches the direction of fuel flowing out of the control chamber so that the control valve is at least partially force-balanced because of the pressure acting on the further piston in the booster chamber.

The invention mainly belongs to the technical field of a near-bit wireless short-transmission device, and specifically relates to a mechanical device applicable to underground near-bit wireless short-distance transmission and sending. The mechanical device comprises a drill bit connecting shell body, a screw connecting shell body and insulation nipples, wherein the drill bit connecting shell body and the screw connecting shell body are made of metal material, and the insulation nipples are made of insulation material; the insulation nipples are in series connection between the drill bit connecting shell body and the screw connecting shell body, electric isolation of the drill bit connecting shell body and the screw connecting shell body is achieved, and the drill bit connecting shell body and the screw connecting shell body form an electromagnetic emission positive pole and an electromagnetic emission negative pole correspondingly; the mechanical device further comprises measuring units and a data sending unit, wherein the measuring units are used for collecting near-bit measured parameters, and the data sending unit is used for achieving wireless short transmission; and the data sending unit is used for receiving and sending the near-bit measured parameters. The mechanical device does not affect structure strength and sealing performance of a drilling tool, and meanwhile, the wireless short-transmission and sending of the underground near-bit measured parameters are achieved.

The tension spring has a cylinder (1) which is divided in a gas chamber (3) and a hydraulic chamber (4) by a piston, where the gas chamber is filled with a gas stands under pressure. The hydraulic chamber is filled with a hydraulic liquid. The piston is formed as a guide piece (2) which has a coaxially extended filled cylindrical chamber (7) filled with hydraulic liquid.

A hand power tool has a percussion bolt, a hammer barrel receiving the percussion bolt, a sealing element effecting sealing between the percussion bolt and the hammer barrel, a restraining element that retains the sealing element at a predetermined point along the hammer barrel, and a counterpart element fixing the restraining element in a longitudinal direction of the hammer barrel, wherein the restraining element is located on an outer face, toward the hammer barrel, of the sealing element.

The invention discloses an ultrahigh pressure flat plate gate valve. The ultrahigh pressure flat plate gate valve is an inside screw non-rising stem type gate valve. A hand wheel is turned to drive a valve stem bush and a thrust bearing to rotate, and then a valve stem is driven to rotate through a safety pin, so that a valve plate moves up and down to fulfill the aim of opening and closing the valve; dual seal design of metal seal and spring type lip seal is adopted between a valve seat and a valve body, so that particulate pollutants are protected from invading a valve cavity to the greatest extent, the metal seal among the valve body, the valve seat and the valve plate is prevented from being corroded by grains of sand, and drilling mud can also be prevented from corroding the valve body; and the valve body and a valve cover are forged by high-grade alloy structural steel or high-grade stainless steel and a special thermal treatment technology is also adopted, so that the valve body and the valve cover have high mechanical property, and the reliability and the safety are improved. The ultrahigh pressure flat plate gate valve has the advantages of compact structure, high valve rigidity, smooth passage, low flow resistance, corrosion resistance, wear resistance, erosion resistance, long service life, wide application range and the like, and a sealing surface is made of stainless steel and hard alloy.

A fuel injection system having an injection valve, a line supplying fuel at high pressure to the injection valve a control valve controlling the pressure in a control chamber communicating with the line. The control valve has a movable valve part is actuatable by an actuator via a hydraulic coupler having two pistons cooperating with a booster chamber of the coupler. A seat of the movable valve part has an inside cross-sectional area f3, with means for filling the booster chamber via guide gaps of the pistons with fuel under pressure. The pistons are located parallel to and inside one another and a booster chamber is located on the ends of the pistons toward the actuator. In the interior of the outer piston defines a filling chamber which communicates with the line and one of the pistons has a cross-sectional area f4 is mechanically coupled to the actuator via a rod having a cross-sectional area f5. The other piston which has a piston area f2, actuates the control valve via a rod having a cross-sectional area that is smaller than f2 and the direction of the closing motion of the movable valve part matches the direction of fuel flowing out of the control chamber so that the control valve is at least partially force-balanced because of the pressure acting on the further piston in the booster chamber.

The invention relates to a day and night confocal high-definition lens with a large target area. The day and night confocal high-definition lens is characterized in that a front fixing group A with positive focal power, a zooming group B with negative focal power, a rear fixing group C with positive focal power and a compensating group D with positive focal power are sequentially arranged in an optical system of the lens along a light incident direction from left to right; the front fixing group A comprises a positive crescent lens A-1, a positive crescent lens A-2 and a first gluing group with a negative crescent lens A-3 and double convex lenses A-4, and the negative crescent lens A-3 and the double convex lenses A-4 are hermetically connected with one another; the zooming group B comprises double concave lenses B-1 and a second gluing group with double concave lenses B-2 and double convex lenses B-3, and the double concave lenses B-2 and the double convex lenses B-3 are hermetically connected with one another; the rear fixing group C comprises a positive crescent lens C-4 and a third gluing group with double convex lenses C-1, double convex lenses C-2 and a negative crescent lens B-3, and the double convex lenses C-1, the double convex lenses C-2 and the negative crescent lens B-3 are hermetically connected with one another; the compensating group D comprises a negative crescent lens D-4 and a fourth gluing group with double convex lenses D-1, a negative crescent lens D-2 and double convex lenses D-3, and the double convex lenses D-1, the negative crescent lens D-2 and the double convex lenses D-3 are hermetically connected with one another. The day and night confocal high-definition lens has the advantages of high optical indexes and resolution and adaptability to requirements of high-definition video camera shooting.

The invention relates to a rotary drive assembly for a drill rod having an outer tube and an inner rod extending at least in sections inside the outer tube, comprising a first gear unit having at least a first drive unit for driving the inner rod in a rotating manner and a second gear unit, which is offset to the said first gear unit in the longitudinal direction of the drill rod and has at least a second drive unit for driving the outer tube in a rotating manner. In accordance with the invention provision is made for the second drive unit to be spaced from the second gear unit and for the second drive unit to be arranged adjacent to the first drive unit on the first gear unit.

The invention provides an ultrasound measuring device and method for monitoring the flow speed of a liquid. Theultrasonic measurement apparatus (10) has an ultrasonic measurement zone (36) with at least a pair of ultrasonic transducers (38), an evaluation unit for determining the flow velocity from a propagation time difference of ultrasound transmitted and received with and against the flow; a deflection unit, by means of which the fluid from the main flow direction is deflectable and suppliable to the ultrasonic measurement zone (36), wherein the deflection unit (20, 26, 32) forms a loop. In the method, the flow velocity is determined from a propagation time difference of ultrasound transmitted and received with and against the flow from a pair of ultrasonic transducers in an ultrasonicmeasurement zone and the fluid is deflected from the main flow direction and supplied to the ultrasonic measurement zone for the measurement, wherein the ultrasonic measurement takes place whilst thefluid is deflected such that it flows in a loop. It is the object of the invention to enable an accurate and simple ultrasonic measurement of flow velocities.

The invention relates to a large-target-surface high-precision mold high-definition zooming monitoring lens. An optical system of the lens is provided with a front lens battery A with negative focal power, an iris diaphragm C and a rear lens battery B with positive focal power in sequence in the light incidence direction. The front lens battery A is provided with a negative meniscus lens A-1 and a first bonding lens battery in sequence, wherein the first bonding lens battery is composed of a biconcave lens A-2 and a biconvex lens A-3 in a sealed connection mode. The rear lens battery B is provided with a biconvex lens B-1, a negative meniscus lens B-2, a negative meniscus lens B-3, a second bonding lens battery and a third bonding lens battery in sequence, wherein the second bonding lens battery is composed of a biconvex lens B-4 and a biconcave lens B-5 in a sealed connection mode, and the third bonding lens battery is composed of a biconvex lens B-6 and a negative meniscus lens B-7 in a sealed connection mode. According to the large-target-surface high-precision mold high-definition zooming monitoring lens, the focal power of the front lens battery A and the focal power of the rear lens battery B are distributed reasonably, and the two bonding lens batteries are adopted in the rear lens battery B, so that the lens meets the performance indexes of large relative aperture, wide angle, small structure length, large surface and high-definition pixels.

The invention relates to an electric machine, in particular starting device, and a method for producing a support bearing assembly of an electric machine. The electric machine (10), in particular starting device, has a stator (29), and a rotor (37) which is equipped with a drive shaft and which is arranged radially in an inner side of the stator (29). Support bearing arrangements (66,69) are arranged on a rotating-axial side of the rotor. The arrangement causes bearing forces (Fa, Fr) in radial and rotating-axial direction, and arranged in a bearing cover (60). The arrangement supports a drive shaft (44), and a screw element (91) is held in a retaining thread (94) of the bearing cover by a screw-in thread. The screw element causes radial bearing force and axial bearing force. A cavity i.e. blind hole, is formed in the screw element. An independent claim is also included for a method for manufacturing support bearing arrangement of an electrical machine.

The invention relates to a teleconverter for an wide-angle high-magnification zoom lens, wherein a front group A with a negative focal power and a rear group B with a positive focal power are sequentially arranged in the optical system of the teleconverter along the left-to-right incident direction of a light ray; the front lens group A is sequentially provided with a negative meniscus lens A-1 and a biconcave lens A-2, and the lens rear group B is a glued group formed by airtightly connecting a negative meniscus lens B-1 with a biconvex lens B-2; the mechanical structure of the teleconverter comprises a lens cone, a front group installation seat and a rear group installation seat are opened in the lens cone, the front lens group A is placed on the front group installation seat and tightly pressed by a front press ring, the rear lens group B is placed on the rear group installation seat and tightly pressed by a front press ring, and an AB space ring is arranged between the biconcave lens A-2 and the negative meniscus lens B-1. The teleconverter has the advantages of being high in zoom ratio, large in wide angle, high in adaptivity and the like, as well as is beneficial to expansion for the view field angle of the wide-angle zoom lens, and is good in imaging effect in the high-magnification zoom process of the zoom lens.

The invention relates to a handheld grinding machine, in particular to the grinding machine which is provided with storage batteries to supply electricity. The grinding machine is provided with a shell body (12), which can hold an electromotor (24) for driving a grinding disc (18); the grinding disc (18) is arranged on the bottom side of the shell body. Aiming at being smaller, lighter, convenient for operation, and being produced advantageously in cost, the invention provides a component which is used for turning on and turning off a switch button (34) of an electromotor (24), and is constructed into plate spring shaped and can be operated crookedly.

The invention relates to a focusing optical system (20) for material machining with laser radiation. The system includes a collimator optical device (21) for collimating a divergent working laser beam(121) and a focusing optical device (22) for focusing a working laser beam (12) onto a workpiece (14) to be machined, wherein the collimator optical device (21) comprises a first moving lens or lensgroup (211) having a positive focal length for focusing a working laser beam source (18) into a virtual intermediate focus, and a second moving lens or lens group (212) having a negative focal lengthfor focusing the virtual intermediate focus to infinity. A laser machining head (1) with a housing (10) is also provided, and a working laser beam (12) can be guided to pass through the housing. The focusing optical system (20) according to the invention functions to generate a working focus (15).

The present invention discloses an electric hydraulic test plugging valve for steam-electric power generation, and it is characterized by that the lower portion of valve body of plugging valve is equipped with a cross pipe which can be used for connecting pipeline, the upper portion of the valve body is equipped with valve cover, and on the top portion of said valve body an electric device is mounted, the upper end of the valve rod is connected with the electric device, and its lower portion is connected with valve flap mounted in the valve body, on the ring recessed groove positioned at side surface of valve flap and mounted in the interior of cross pipe a valve seat is set, said valve seat is formed from inner valve seat and outer valve seat which can be leftward and rightward floated, an elastic sealing body is mounted between inner and outer valve seat, and a spring is mounted beween outer valve seat and bottom wall of ring recessed groove on the valve body. Said plugging valve can quickly implement conversion of opening and closing functions.

Screw type liquid ring pump including a pump housing (9) with an inlet part (3) and an outlet part (11) and rotating helical screw rotor (8) inside the housing. The rotor is connected with a shaft (7) as well as a driving unit in the form of motor, preferably an electric motor (2), whereby the pump (20) with the pump housing (9) represents an elongation of the motor (2) with the motor housing thus representing an integrated or one piece unit. The shaft seal (22, 23) is provided wholly or partially in an annular space (24) provided within the rotor (8), whereby one end of the seal rests against an annular part (25) of the screw rotor provided in the annular space (24) between the rotor and the shaft, and its other end is tightly engaged against an inwardly protruding part (21) at the outlet end of the pump.