439results about How to "Big vibration" patented technology

Provided is a flexible heat sink article comprising a base comprising a polymer and a plurality of polymeric protrusions extending away from the base, each protrusion having a major dimension and a minor dimension. The base comprises thermally conductive particles, and the protrusions comprise non-spherical thermally conductive particles substantially aligned in the direction of the major dimension within the protrusions. A thermal interface material may be provided contiguous with the base. Also provided is a flexible heat sink article comprising a base comprising a polymer and having a first surface and a second surface, a plurality of polymeric protrusions extending away from the first surface of the base, each protrusion having a major and a minor dimension, and a metallic layer contiguous with the second surface of the base, wherein the base and the protrusions comprise thermally conductive particles. Also provided is a method of making a flexible heat sink.

The invention relates to a special shaped stone high-speed high-efficiency combined machining center with the functions of double five-axis linkage and synchronous cutting by double working heads, and relates to a device for processing stones. Active gantry structure is adopted in the machining center, the double-motor synchronous driving technology is adopted on the gantry beam, and synchronous high-speed driving is realized by the screw bar pair at the two sides; a milling working head component and a turning working head component are respectively arranged on the saddle of the beam, the vertical feeding mechanism thereof is formed by a suit of screw bar pair and a hydraulic pressure auxiliary mechanism; wherein, the milling working head can carry out rotation and scales division around the axis B, and the turning working head facilitates the same servo motor to realize rotation and scale division of axis A and cutting movement; the turning working head and the milling working head are arranged alternately, and both the turning process and the grinding processing can be carried out on stone articles at the same time. The machining center is provided with a numerical control system with the function of double five-axis linkage, and horizontal five-axis linkage machining and vertical five-axis linkage machining can be realized.

A resonator micro-electronic inertial sensor, preferably a micro-electromechanical system (MEMS) sensor (e.g. a gyro), for detecting linear accelerations and rotation rates in more than one axis comprises: a proof-mass system (21.1, 21.4) flexibly suspended above a substrate for performing a rotational in-plane vibration about a central axis (24,) a drive electrode system (D1, . . . D4) for driving the proof-mass system (21.1, . . . 21.4) to perform said rotational in-plane vibration, and a sensing electrode system (S1, S8) connected to the proof-mass system (21.1, . . . 21.4) for detecting linear accelerations or rotation rates in more than one axis. Said proof-mass system (21.1 21.4) has more than two proof-mass elements flexibly coupled (25.1a, 25.1b) to each other. Each proof-mass element (21.1, 21.2) is directly and flexibly connected (23.1, 25.1a, 25.1b) to an anchor structure (22) on the substrate (32). The proof-mass elements (21.1, . . . 21.4) are preferably arranged In a ring-shaped configuration between an inner and an outer radius (R1, R2) with respect to the central axis (24).

The invention is a high pressure pump, frame and housing assembly including a high pressure pump, electric motor, belt drive, metal frame, plastic housing and noise absorbing sheets that combine to suppress vibration, attenuate noise and allow viewing of the motorized pump assembly. The motorized pump produces a flow rate of at least 4 gpm at a pressure of at least 2,000 psi, while the assembly keeps the noise level at or below about 77 decibels. Vibrations are suppressed by the frame and housing which are formed by irregularly shaped and sized frame members, segments and panels. The housing panels combine with the porous noise attenuating sheets to form dead zones for absorbing noise. The sheets and dead zones are compactly arranged inside the frame segments. Two transparent panels form dual opposed windows for lighting and viewing the active internal components.

In a work vehicle, an engine compartment is disposed forwards of a cab. An exhaust gas treatment device is disposed over an engine in the engine compartment. A radiator is disposed forwards of the exhaust gas treatment device (33) in the engine compartment. A blower is configured to generate an airflow passing through the radiator from back to front of the radiator. The exhaust gas treatment device is slanted with respect to a vehicle width direction for increasing a distance between the exhaust gas treatment device and the radiator towards a first lateral face portion. Further, the first lateral face portion includes air inlets facing a space between the exhaust gas treatment device and the radiator.

A stowable fold away seat for mounting to a support member of a vehicle wherein a space may be selectively provided for positioning a wheelchair or article adjacent to the stowed seat which includes a frame attached to the support member, two separate seatbacks and seatbases, which have been fixedly integrated with a centered support.

The invention provides a overload protection device, capable of keeping the rotary drive partition state and preventing from generating the vibration and noise because of the transference the path of the push pressure and accurately setting the operation torque and making a holding mechanism work reliably. the overload protection device has a central flange (110), a hub flange (131) and a push compressed plate for pushing a steel ball (120) to rotate and drive, wherein a holding mechanism (165) for keeping the partition in the over loading comprises a retaining ring (146) mounted at the central flange side of the push pressure plate (140) and a holding ball (145) arranged at the internal circumstance side of the central flange (110).

Disclosed is an electric toothbrush capable of applying large vibration to the brush by small vibrations of a vibration source. An electric toothbrush (100) is provided with a tubular casing (20) and a vibrating body (30) that applies vibration to a brush (42), one end of which is positioned in the interior of the casing (20), while the other end thereof is arranged so as to project to outside the casing from an aperture (20a) at the tip of the casing, the brush (42) being positioned in the vicinity of this other end. A vibration source (10) is arranged at one end of the vibrating body (30), and the outer peripheral surface of the vibrating body (30) is supported in a position that is more offset towards the vibration source (10) than the centre of this vibrating body (30) in the longitudinal direction thereof.

An in-wheel motor system having a flexible coupling for transmitting the drive torque of a motor to a wheel. The flexible coupling 10 simple in structure and easily assembled comprises a motor-side plate (11A) mounted to the rotating side case of the motor, a wheel-side plate (11C) mounted to the wheel or a hub, an intermediate plate (11B) disposed between these two plates (11A) and (11C), a first rubber member (12a) of generally rectangular shape in plan view which connects the motor-side plate (11A) to the intermediate plate (11B) in such a manner that they can move relative to each other in a direction (direction B) orthogonal to their connection direction (direction A), and a second rubber member (12b) formed in the same manner as the first rubber member (12a) which connects the intermediate plate (11B) to the wheel side plate (11C) in such a manner that they can move relative to each other in the direction A orthogonal to the direction B.

An angular rate sensor formed into a planar shape, which detects an angular rate around a first axis in the plane, includes a rotating oscillator rotatably supported in the plane and around the rotational axis in a direction of a second axis perpendicular to the first axis; vibration generating means which rotationally vibrates the rotating oscillator; and a first detecting oscillator and a second detecting oscillator which are disposed inside the rotating oscillator and separately on the right side and the left side of the rotational axis, and which are supported as being displaceable in a direction of the second axis. A first detecting unit and a second detecting unit, which detect vibrations of the respective first and second detecting oscillators in the direction of the second axis due to the Coriolis force, are respectively provided closer to the rotational axis than the first and second detecting oscillators are.

A washing and drying machine of the present invention includes a water tub elastically supported in a housing; a rotary drum being rotatably mounted in the water tub; a heat pump having a compressor, a heat radiator, a throttle valve, a heat absorber, a pipework, and an air guide duct for guiding air to the heat absorber and the heat radiator; an air passageway provided to the water tub for allowing the air to flow into the rotary drum; a blower for forcing the air heated by the heat radiator to flow through the air passageway into the rotary drum; and a flexible connection member. The flexible connection member connects the air passageway to the air guide duct.

A tub is configured for attachment to a vehicle floor to receive a collapsed vehicle seat therein. The tub is formed from a laminated sheet structure including two layers of cold rolled steel having a viscoelastic layer therebetween spanning the entirety of both steel layers. The tub body has a rim, side walls extending downward from the rim, and a bottom supported by the side walls. The tub body is approximately 10″ deep from the rim to the bottom. The laminated sheet structure has a bending rigidity between approximately 9.7 and 16.5 Nm to enable the forming of the side walls.

A robot includes respective arms, respective drive sources, respective angle sensors, respective inertia sensors, a posture detection unit that detects the posture of a third arm, and a second drive source control unit that selects, on the basis of a detection result of the posture detection unit, any one of a second (A) correction component, which is derived from an angular velocity ωA3 of a second axis of a third arm obtained from a third inertia sensor, an angular velocity ωA2m of a second axis of a second arm obtained from a second angle sensor, and an angular velocity ωA3m obtained from a third angle sensor, and a second (B) correction component, which is derived from an angular velocity ωA2 obtained from a second inertia sensor and the angular velocity ωA2m, and feeds back the selected correction component to control the second drive source.

A vibrating motor including a stepping motor in which control is simple, large vibration is generated, and drive torque can be efficiently generated, and a portable terminal apparatus using the same are provided. The vibrating motor includes a single-phase annular stator coil, a stator yoke disposed to surround the periphery of the single-phase annular stator coil and having pole teeth, an interface board fixing the stator yoke and having a wiring connected to the annular stator coil, plural arc-shaped magnets disposed to be opposite to the pole teeth and to be capable of rotating around a rotating shaft, and an eccentric weight capable of rotating around the rotating shaft.

A method of lubricating and cooling a hydrodynamic plain bearing for a rotating element comprises the steps of supplying fresh, cold lubricant under pressure from a pressure chamber arranged upstream of a fixed gliding plane to a lubricating gap between the fixed gliding plane and the rotating element, the supply of fresh, cold lubricant being so controlled that an effective lubricating wedge is formed between the rotating element and the fixed gliding plane. The pressure chamber is connected to a decompression chamber predominantly filled with gas and arranged upstream of the pressure chamber by a mixing conduit, used, hot lubricant adhering to the rotating element is moved to the decompression chamber, and a portion of the used, hot lubricant is removed from the decompression chamber while the remaining portion of the used, hot lubricant flows from the decompression chamber into the mixing conduit and is mixed with fresh, cold lubricant flowing countercurrently in the mixing conduit whence the mixture is pressed into the decompression chamber.

A vehicular drive system provided with an electric motor for generating a drive force to be transmitted to drive wheels, includes: the electric motor including an output rotary member having opposite end portions from which the drive force of the electric motor is transmitted to the drive wheels; two power connecting/disconnecting devices respectively configured to selectively connect and disconnect each of the opposite end portions of the output rotary member to and from the drive wheels; and the two power connecting/disconnecting devices being controlled to selectively connect the opposite end portions of the output rotary member to the drive wheels, for thereby changing a ratio of rotating speeds of the drive wheels to an operating speed of the electric motor.

Large vibrations can be prevented from being generated during engine rotation. A control apparatus for driving a vehicle has an engine stop permission output control processing module which: reads engine rotational speed; determines whether the engine rotational speed takes a value within a predetermined stop disable range; does not output an engine stop permission when the engine rotational speed takes a value within the stop disable range; and outputs an engine stop permission when the engine rotational speed takes a value except the value within the stop disable range, and an engine stop control processing module which stops an engine when the engine stop permission is outputted. In this case, when the engine rotational speed takes the value except the value within the stop disable range, the engine stop permission is outputted to stop the engine.

A half thrust bearing having a semicircular ring shape for receiving an axial force of a crankshaft of an internal combustion engine is provided. The half thrust bearing includes thrust reliefs formed adjacently to end surfaces on both sides in a circumferential direction on a slide surface side which receives the axial force so that wall thicknesses become thinner toward the end surfaces. The thrust relief on a rear side in a rotational direction of the crankshaft or both thrust reliefs are formed so that a length of the thrust relief in an inner end portion in a radial direction of the half thrust bearing is longer than a length of the thrust relief in an outer end portion in the radial direction of the half thrust bearing.

A system and method for minimizing buffeting in the case of an aircraft. Buffeting load control elements are provided in airfoils of the aircraft are arranged to be at least partly moved out of the airfoils by a control to reduce buffeting loads acting on the aircraft.

The invention belongs to the field of chemical equipment, and particularly discloses an anti-wall-adhering reaction kettle. The anti-wall-adhering reaction kettle comprises a kettle body, wherein the inner wall of the kettle body is made from a non-ferromagnetic material, and provided with an isolated cavity; a movable block which can be attracted by a magnetic substance is arranged in the isolated cavity; the top end of the kettle cover is provided with a driver which is fixed to the machine frame; the driver is rotatablely connected with a stirring unit positioned in the kettle body; the stirring unit comprises a stirring shaft; a plurality of stirring rods are hinged on the stirring shaft; and the working end of each stirring rod is fixedly provided with a stirring magnetic block. The anti-wall-adhering reaction kettle has the advantages of simple structure, uniform stirring and obvious anti-adhering effect.

The invention discloses a suspension type floating plate vibration isolation system, which comprises area floating plates, rubber vibration damping belts and a plurality of precast vibration isolation units, wherein the plurality of precast vibration isolation units are arranged on floor slabs or the ground, and are cast on site to form the area floating plates; the area floating plates are supported on the floor slabs or the ground by vibration isolators in the precast vibration isolation units and form gaps with the ground or floors to isolate vibration and noise; a plurality of area floating plates are arranged; and the rubber vibration damping belts are arranged among different area floating plates to limit the transmission of vibration in the horizontal direction. The suspension type floating plate vibration isolation system can isolate the vibration of machines from the floor slabs, is not needed to be jacked in the construction process and is easy to maintain and replace in the using process.

The invention discloses an excavation transient unloading loose simulation experiment system for an underground cavern structural plane. The excavation transient unloading loose simulation experiment system comprises an excavated underground cavern surrounding-rock model containing the structural plane, a confining-pressure loading system, an experiment table, a loading device, an excavation cavern loading device and a monitoring system; the excavation cavern loading device comprises a level-type loading and unloading component which is fixed on the experiment table through a threaded rebar; the loading device comprises loading and unloading units respectively located on two sides of the level-type loading and unloading component, the loading and unloading unit comprises a hydraulic station, an oil cylinder, a steel bar, a disc-type electromagnet and a steel pipe; counterforce piers are arranged on two sides of the experiment table, and the bottom of the oil cylinder is in contact with the counterforce piers. By the arrangement, load on the excavated underground cavern surrounding-rock containing the structural plane is rapidly unloaded so as to solve the problem that high-speed unloading cannot be simulated in a previous experiment, great strain rate of the model is generated and is more consistent to the loading situation of a practical project, and more research values and reference significance are achieved.