50 results about "Vibration mitigation" patented technology

A direct-contact liquid-cooled (DL) Rack Information Handling System (RIHS) includes liquid cooled (LC) nodes having a chassis received in a respective chassis-receiving bay of the rack and containing heat-generating functional components. The LC node configured with a system of conduits to receive direct contact of cooling liquid to regulate the ambient temperature of the node and provide cooling to the functional components inside the node by removing heat generated by the heat-generating functional components. The chassis has a leak containment barrier configured with a trough that underlays a portion of the system of conduits of the LC node and that forms a drain path to a drain port of the chassis. In one or more embodiments, the storage drive carrier has vibration absorbing material that mitigates vibrations of a storage drive placed in the storage drive carrier.

A tube support in the form of a stake having at least one protrusion mounted on its longitudinal surface. The protrusion contacts adjoining tubes of a tube bundle and exerts a force tending to separate the tubes.

A method of designing / making an acoustic side branch resonator structured to be coupled to a standpipe of, for example, a nuclear power plant, wherein the acoustic side branch resonator includes a plurality of wire mesh elements for damping purposes. The method includes determining a resonant frequency of the standpipe, determining an active length of the acoustic side branch resonator using the resonant frequency, and determining a particular number of the wire mesh elements to be used in the acoustic side branch resonator and a pitch of each of the wire mesh elements using momentum and continuity equations of a compressible fluid.

Systems and methods for mitigating vibration in downhole strings are described. The methods include obtaining first and second load measurements of first and second loads during a drilling operation and creating first and second load measurement data, with first and second load sensors separated by a sensor distance. First and / or second representative values of the first and second loads are determined form the first and second load measurement data and the sensor distance. The determined representative value(s) are compared against respective load limit(s) and a vibration mitigation operation is performed in response to the determined representative value(s) equaling or exceeding the respective load limit.

A method of designing / making an acoustic side branch resonator structured to be coupled to a standpipe of, for example, a nuclear power plant, wherein the acoustic side branch resonator includes a plurality of wire mesh elements for damping purposes. The method includes determining a resonant frequency of the standpipe, determining an active length of the acoustic side branch resonator using the resonant frequency, and determining a particular number of the wire mesh elements to be used in the acoustic side branch resonator and a pitch of each of the wire mesh elements using momentum and continuity equations of a compressible fluid.

A direct-contact liquid-cooled (DL) Rack Information Handling System (RIHS) includes liquid cooled (LC) nodes having a chassis received in a respective chassis-receiving bay of the rack and containing heat-generating functional components. The LC node configured with a system of conduits to receive direct contact of cooling liquid to regulate the ambient temperature of the node and provide cooling to the functional components inside the node by removing heat generated by the heat-generating functional components. The chassis has a leak containment barrier configured with a trough that underlays a portion of the system of conduits of the LC node and that forms a drain path to a drain port of the chassis. In one or more embodiments, the storage drive carrier has vibration absorbing material that mitigates vibrations of a storage drive placed in the storage drive carrier.

The invention provides a display screen support device. The device comprises a sensing component used for sensing display screen vibration and a vibration mitigation component arranged on the non-display side of a display screen, and the form is adjusted to mitigate vibration of the display screen according to the sensing result of the sensing component. By arranging the sensing component and vibration mitigation component on the display screen, by means of the sensing component, the display screen vibration state is sensed in real time, and the form of the vibration mitigation component is actively adjusted so as to mitigate vibration of the display screen. By means of an active adjustment mode, vibration of the display screen is relieved, damage caused by vibration to the display screenis effectively reduced, and the service life of the display screen is prolonged.

The invention discloses a full-fabricated concrete joint device with a replaceable vibration mitigation and isolation device. The full-fabricated concrete joint device comprises a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are connected through a vibration reducing device, a containing groove is formed in the upper end of the first connecting piece, an annular piston is installed in the containing groove, a box body is installed on the inner side face of the annular piston, a partition plate is arranged on the box body, a thread through hole is formed in the inner wall of the containing groove, a bolt is arranged in the thread through hole, a rectangular groove is formed in the inner end face of the bolt, an energy dissipation steel bar is arranged in the rectangular groove, the bottom face of the partition plate is connected to the inner bottom face of the box body through a first spring, the bottom face of the box body is connected to the bottom face of the containing groove through an elastic piece, and the containing groove is filled with hydraulic oil. According to the full-fabricated concrete joint device, vibration energy is consumed through multi-stage vibration reducing, vibration reducing is achieved through the elastic piece and the first spring when the amplitude is smaller, and when the amplitude is larger, a similar self-feedback function is formed at the moment, the function of continuously supporting a building is achieved, an energy dissipation steel bar can be conveniently replaced, and the device can be continuously used.

A stick-slip vibration mitigation system and a method of using the system are provided. The system includes a sensor, a processor, a non-transitory storage medium, and a controller. The system is operable to be used with a drill-string in a wellbore during a drilling process to mitigate stick-slip vibration of the drill-string.

The present application generally relates noise and vibration mitigation in a vehicle. More specifically, the application teaches a system and method for applying a noise and vibration constraint to avehicle subsystem, measuring a sound level within the vehicle cabin, determining the sound level exceeds a threshold level making the noise constraint redundant and removing the noise constraint in response to the sound level exceeding the threshold level.

Methods and apparatus are provided for mitigating vibration in a vehicle. The apparatus can include a first sensor that generates a first signal that indicates a first phase angle of a first wheel of the vehicle and a second sensor that generates a second signal that indicates a second phase angle of a second wheel of the vehicle. The apparatus can further include a control module that based on the first signal and the second signal outputs a third signal to adjust at least one of the first phase angle and the second phase angle when the vehicle is experiencing a vibration.

The invention discloses a single lever type consolidation instrument and belongs to the technical field of mine geotechnical engineering. The single lever type consolidation instrument provided by theinvention comprises a digital display dial gauge, a consolidation device, a lever, a lifting platform and the lever type consolidation instrument. In the single lever type consolidation instrument provided by the invention, a lifting platform is installed on the base of the equipment to effectively reduce the impact force brought by manual weight application and the disturbance to the sample, thestopwatch is turned on to observe the change of the soil sample immediately after the load is applied to enable reduction of errors when applying the weight, a positioning groove is used at the position of the hook to enable the weight disk support rod to be firmly fixed in the positioning groove such that the double vibration mitigation can greatly reduce the errors when the weight is increased,a laser pen placement hole is arranged in the support frame and a laser pen can be placed in the laser pen placement hole such that a parallel laser beam is emitted after the laser lamp is turned onand can be used as a tool for auxiliary standard calibration, and the laser pen itself is low in cost, standard and efficient, and can be used as needed to reduce errors in adjusting the balance of the lever.

The objective of the invention is to provide a dry type transformer vibration relieving device. The dry type transformer vibration relieving device includes a transformer fixing seat, and a pluralityof vibration reduction seats which are arranged side by side and support the transformer fixing seat; each vibration reduction seat includes an upper base having an upper groove formed in a lower endthereof, a lower base having a lower groove formed in a lower end thereof and an upper end positioned in the upper groove, and a plurality of vibration reduction devices; each vibration reduction device includes a through hole formed in an upper end of the lower base and communicating with the lower groove, an upper convex block arranged on a top surface of the upper groove and facing the throughhole, a stepped elastic post arranged in the lower groove and having a small end passing through the through hole and supporting a lower end of the upper convex block, and a pressing disc having a fixing rod arranged on an upper end thereof; the pressing disc presses a big end of the stepped elastic post, and the fixing rod passes through the stepped elastic post and is connected to a lower end ofthe upper convex block. When the dry type transformer vibration relieving device is used, vibration is reduction and isolated via the stepped elastic posts of the vibration reduction device, and vibration noise of the dry type transformer will not transmitted to a power distribution room to disturb residents.

A drilling rig apparatus is disclosed for mitigating stick-slip using a saver sub that is compatible with different top drives. The saver sub includes a smart material adjustable whenever a stand is added to the drill string to have different spring characteristics to generally match the impedance of the top drive to the impedance of the drill string. The saver sub also includes a magneto rheological fluid that is adjusted whenever a stand is added to the drill string to compensate for the changed characteristics of the drill string. The damping constant implemented by the MR fluid enables the saver sub to absorb stick-slip vibrations at the top drive. Each time that a stand is connected to the drill string, the spring and damping constants may be updated to accommodate the changing characteristics of the drill string.

The invention relates to an apparatus and method for cable dynamic suppression, and relates to a method and apparatus for mitigating vibrations in a device towed in water. The apparatus includes one or more tuned elastic sections having a complex spring rate and adapted to attenuate vibrations; and a head end coupler adapted to couple the apparatus for vibration mitigation to a component of an electro-mechanical cable or a tow assembly. One of the one or more tuned elastic sections is coupled to the head end coupler with a high impedance material interface.

A low-vibration collar system for vibration mitigation in a device towed in water. The low-vibration collar system includes a clamp attached to a streamer towed underwater by a seismic vessel, the streamer comprising a plurality of sensors to record seismic data; a collar configured to be attached to the clamp; a connecting mechanism located on the collar and configured to attach an ancillary device to the collar; and a vibration mitigation system configured to attenuate an amplitude of a vibration produced by the ancillary device. The vibration interferes with seismic data recorded by seismic sensors located on the streamer.

The invention provides a vibration attenuation device with a warning function and for a transplanter, and a vibration attenuation method thereof. An upper connection arm mechanism and a lower connection arm mechanism in the vibration attenuation device are capable of hindering the up-down movement of a main shaft through the return force of a return spring in a process of moving up and down alongwith the main shaft, and then hindering the vibration of a base, so that the purpose of attenuating vibration is achieved; and meanwhile, a pressure sensing device is arranged at the bottom of a cylinder body, and a current in a warning circuit connected with the pressure sensing device is changed through the gas pressure generated due to compression or expansion of a gas in the cylinder body, sothat a warning device is capable of emitting lights with different colors, and then capable of reminding working personnel to adjust and repair the related components of the machine in time. The vibration attenuation device is capable of furthest attenuating the vibration stressed by the transplanter, and capable of reminding the working personnel to adjust and repair the related components of themachine in time, so that longer-time harm to the bodies of the working personnel and longer-time damage to the transplanter are avoided, the working efficiency is increased, and the service life of the transplanter is prolonged.