33results about How to "Affect stiffness" patented technology

A catheter assembly comprises a catheter which comprises an inner shaft and an outer shaft, and at least one heat transmitting mechanism. At least one portion of at least one of the inner shaft and the outer shaft of the catheter has a predetermined longitudinal stiffness and a predetermined temperature. The predetermined longitudinal stiffness is changed when the predetermined temperature is changed. The at least one heat transmitting mechanism extends distally from the proximal end of the catheter, along the length of the catheter, to a position adjacent to the at least one portion. At least a portion of the at least one heat transmitting mechanism is constructed and arranged to conductively change the predetermined temperature of the at least one portion of the at least one of the inner shaft and the outer shaft.

The invention relates to the field of a motor, and specifically relates to a high-rotation speed and rapid heat-conduction motor. The motor comprises a stator, a rotor sleeved in the stator and a rotation shaft penetrating the rotor. The motor also comprises a shell and a base which fit with each other. The shell sleevesthe stator. Vent holes are arranged on a shell end face. A positioning and installing hole post is arranged at the center of the base. A circuit board is arranged on an outer side frame of the base. A drainage fan is fixedly arranged on the rotation shaft and is located at the outer side of the shell end face. A plastic package body is packaged out of the stator. A plastic package reinforcing connection ring is integrally connected with the end face of one side of the plastic package body facing towards the base. The plastic package reinforcing connection ring is arranged against the side wall face of the shell. Airflow at the rear end of the circuit board is sent in the motor through the circuit board and the vent holes on a base plate. Equally, the airflow between the circuit board and the base plate is sent in the motor through the vent holes on the base plate, then the heat in the motor is absorbed by the airflow, and then the airflow is rapidly exported out of the motor through vent holes on an incline reinforced hole slot wall. The whole motor has the advantages of high integrity, compact structure, convenient disassembly, low cost, high strength, high stability and low noise.

A corrosion testing device comprising a coupon holder for a sucker rod of a pump system and at least one coupon for corrosion testing, wherein the coupon holder comprises a holder body having an outer body surface and an inner contact surface, which inner contact surface is placeable on an outer rod surface of the sucker rod and defines a longitudinal body axis of the holder body, the at least one coupon is attached to the holder body and positioned at the outer body surface and at a radial coupon distance from the longitudinal body axis, the outer body surface comprises at least one guiding surface part located at a radial surface distance from the longitudinal body axis, and the radial surface distance is larger than the radial coupon distance.

The invention relates to the field of motors, and particularly to a quick heat radiation motor. The motor comprises a stator, a rotor which is sleeved in the stator, a rotating shaft which penetrates through the rotor, a housing which sleeves the stator and is provided with ventilating holes on a housing end surface, and a base which is provided with a positioning mounting hole column at the center, wherein the housing and the base are adapted with each other. The outside rack of the base is provided with a circuit board. A drainage fan is fixedly arranged on the rotating shaft at outside of the housing end surface. A plastic sealed member is sealed outside the stator. The end surface, which faces the base, of the plastic sealed member is integrally connected with a plastic sealed reinforcing connecting ring which is arranged in a manner of abutting against the sidewall surface of the housing. Air flow at the back end of the circuit board is sent into the motoring through the circuit board and the ventilating holes on a base board. Similarly, the air flow between the circuit board and the base board is sent into the motor through the ventilating holes on the base board. Heat in the motor is absorbed, and then the heat is quickly leaded out of the motor through ventilating holes of inclined reinforcing hole slot walls. The quick heat radiation motor has advantages of high integrity, compact structure, convenient detachment, low cost, high strength, high stability and low noise.

The invention aims to provide an environment-friendly engine capable of avoiding wetting walls and provided with good fuel economy. The engine comprises a piston, cylinders, oil atomizers and a spark plug. Especially, an oil atomizer is arranged in each cylinder of the engine, the oil atomizer is arranged in the centre of a cylinder cover, and the spark plug is close to an oil injection nozzle of the oil atomizer and inclines towards the oil injection nozzle of the oil atomizer, the side electrode of the spark plug deviates from the oil injection nozzle of the oil atomizer and locates in the edge of spray sprayed by the oil injection nozzle. The engine has simple structure, solves the problem of wetting walls of the prior engine, has good fuel economy and environmental protection, and accords with development tendency of the modern engine.

The invention relates to a spacer flange for a machine tool for the mounting of machine parts, comprising an outer wall (22). According to the invention, the outer wall (22) has a gridded support construction (10), giving said spacer flange a good torsional and bending resistance with low material requirements. The gridded support construction (10) can have a honeycomb or diamond-shaped structure with solid crossing webs.

The invention discloses an anchor device of first sliding and then fixing type combined steel anchor boxes of a cable stayed bridge and a construction method thereof. The anchor device comprises multiple anchor box segments continuously arranged in the vertical direction, wherein each anchor box segment is provided with an anchor box side pulling plate, a bolting end and a fixed end; the anchor box side pulling plate is positioned in the middle; the bolting end and the fixed end are respectively arranged at the left and right ends of the anchor box side pulling plate; the bolting ends and fixed ends in the adjacent anchor box segments in the vertical direction are arranged in a staggered manner; sliding pairs are arranged between the bolting ends and fixed ends in the adjacent anchor box segments in the vertical direction; and both the bolting ends and fixed ends of the anchor box segments are provided with connection structures combined with concrete in the tower wall of a cable stayed bridge tower. The device can give full play to the tensile strength of anchor box steel, simultaneously avoids transferring excessive horizontal pull to the tower wall, avoids that the steel anchor boxes prevent contraction of the tower wall, and avoids that the concrete tower wall is unilaterally stressed when the stay cables are replaced or broken. The invention also provides a construction method of the anchor device.

The invention relates to the field of motors, and in particular relates to a stable motor. The stable motor comprises a stator, a rotor sleeved in the stator and a rotating shaft arranged on the rotor in a penetrating manner, and also comprises a shell and a base which are fit with each other, wherein the shell is sleeved on the stator and provided with vent holes in the shell end face, the base is provided with a locating mounting hole column at the center, a circuit board is erected on the outer side of the base, a draught fan is fixedly arranged on rotating shaft on the outer side of the shell end face, the stator is packaged with a plastic package body, and a circle of plastic package reinforced connecting ring arranged close to the side wall of the shell is integrally connected on the end face of the plastic package body facing the base side. Air flows at the rear end of the circuit board are sent into the motor via vent holes in the circuit board and base plate, in the same way, the air flows between the circuit board and base plate are sent into the motor via the vent holes in the base plate, then absorb heat in the motor, and then are rapidly exported from the motor via vent holes in the inclined reinforced pored groove wall. The whole motor is strong in integrality, compact in structure, convenient to dismount, low in cost, high in strength, good in stability and low in noise.

The invention relates to the field of motors, and specifically relates to a long-life safety motor. The motor comprises a stator, a rotor sleeved in the stator and a rotating shaft penetrating through the rotor, and further comprises a shell adaptively sleeved on a shell end face of the stator and provided with a vent hole and a base in the center of which a positioning installation hole post is arranged, wherein a circuit board is arranged on the outer side of the base, a draught fan is fixedly arranged on the rotating shaft and on the outer side of the shell end face, a plastic packaging body is packaged outside the stator, and a plastic packaging reinforcing connecting ring attached to the side wall of the shell is arranged on the end face of one side of the plastic packaging body facing the base in an integrated connection mode. Airflow at the rear end of the circuit board is fed into the motor via the circuit board and the vent hole in the bottom plate, the airflow between the circuit board and the bottom plate is also fed into the motor via the vent hole in the bottom plate, then the heat in the motor is absorbed, and the heat is quickly guided out of the motor via the vent hole in the inclined reinforcing hole slot wall. The whole motor has the advantages of strong integrality, compact structure, convenience in disassembly and assembly, low cost, high strength, good stability and low noise.

The invention discloses a stabilizer bar bushing vulcanization structure that does not affect the suspension stiffness, comprising a stabilizer bar body, connecting rods are arranged on both sides of the stabilizer bar body, a bushing assembly is arranged on the surface of the stabilizer bar body, The bushing assembly includes a rubber bushing, the top of the rubber bushing is provided with a first adjusting ring, the bottom of the rubber bushing is provided with a second adjusting ring, and both ends of the first adjusting ring are provided with arc-shaped groove, both ends of the second adjusting ring are provided with arc strips, and the outer side of the first adjusting ring is provided with a protective shell. In the present invention, the first adjusting block and the second adjusting block are provided, and both the first adjusting block and the second adjusting block are matched with the chute, and can move freely in the chute, so that when the stabilizer bar body drives the rubber bush to rotate, Both the first adjusting block and the second adjusting block can be driven to move in the chute, so as to ensure that the rotation of the rubber bush will not affect the rotation of the stabilizer bar body.

The invention relates to a corrugated spring (26), in particular for a torsional vibration damper (2) for a clutch disc (1), said corrugated spring (26) being essentially annular and has at least one first wave crest (32) and a second wave crest (34), the first wave crest (32) being arranged in a first corrugated spring region (28) having a first outer diameter (A1) and the second wave crest (34) being arranged in a second corrugated spring region (30) having a second outer diameter (A2) which is different from the first outer diameter (A1). The invention also relates to a torsional vibration damper (2) comprising said type of corrugated spring (26) and a clutch disc (1) comprising said type of torsional vibration damper (2).

The invention relates to the field of motors, and in particular relates to a motor having high circuit board security. The motor comprises a stator, a rotor and a rotating shaft, wherein the rotor sleeves in the stator; the rotating shaft is arranged on the rotor in a penetrating manner; the motor further comprises a shell and a base, wherein the shell and the base are mutually adapted; the shell sleeves the shell end face on the stator and is provided with a ventilation hole; a locating installation hole column is arranged in the centre of the base; a circuit board is arranged outside the base in a bridging manner; a drainage fan is fixedly arranged on the rotating shaft and outside the shell end face; a plastic package body is packaged outside the stator; a plastic package enhanced connection ring arranged to lean on the side wall surface of the shell is arranged on the plastic package body towards the end face at one side of the base in an integral connection manner; an airflow at the rear end of the circuit board is fed into the motor through the circuit board and the ventilation hole on the bottom plate; same, an airflow between the circuit board and the bottom plate is fed into the motor through the ventilation hole on the bottom plate; and then, heat in the motor is absorbed and rapidly output from the motor through the ventilation hole on an inclined enhancement hole arrangement groove wall. The whole motor has the advantages of being high in integrality, compact in structure, convenient to assemble and disassemble, low in cost, high in strength, good in stability and low in noise.