Hydroplaning on a slip ring-USB2 - Hydroplaning reducing slip ring apparatus - Google Patents

Effective date : A slip ring apparatus including a ring assembly having a conductive ring with a conductive ring engagement surface, a contact assembly having a contact element with a contact element engagement surface for engaging with the conductive ring engagement surface, and a surface discontinuity provided in at least one of the conductive ring engagement surface and the contact element engagement surface. An apparatus including the slip ring apparatus, wherein the apparatus includes a housing having an interior and a shaft rotatably extending through the interior of the housing. A method for reducing the potential of a hydroplaning effect in a slip ring apparatus, including providing a surface discontinuity in at least one of a conductive ring engagement surface and a contact element engagement surface. As a non-limiting example, slip ring apparatus may be used in a variety of downhole applications as components of apparatus which are adapted to be inserted within boreholes.

Hydroplaning on a slip ring

Brushes are provided with contact balls on the Hydroplaning on a slip ring thereof at a position spaced from the end of the arms, but brushes are otherwise similar to brushes 36 shown in FIG. In the exemplary embodiment, the conductive ring engagement surfaces 70 and the contact element engagement surfaces 72 are oriented in a plane which is substantially perpendicular to a plane which is normal to the axis of relative rotation between the ring assembly 22 and the contact assemblies The conductive ring engagement surface of a conductive ring of a ring assembly may be engaged with the contact element engagement surface of at least Hydroplaning on a slip ring contact element of a contact assembly so that the ring assembly is electrically connected with the contact assembly. Brush block includes a plurality of brushesand each brush is associated with one of slip rings In the exemplary embodiment, a surface discontinuity 80 is provided Sexy ebony blow job at least one of the conductive ring engagement surface 70 and the contact element engagement surface 72 for each engagement between a conductive ring 50 and a contact element Thus, materials may be separately selected for the contact ball 40 and arms 38 which each provide the desired performance characteristics, and a compromise on materials or performance is no longer required. In the exemplary embodiment, each fluid shield 64 is mounted to the leading side of the contact assemblies 24 with fluid shield screws

Rubber wall clamp. Latest Halliburton Energy Services, Inc. Patents:

In some cases it is possible. Take your foot off of the accelerator, letting the vehicle slow down on its own. Block is provided with a plurality of slots through which brushes extend. A single slip ring assembly 30 exemplary of Hydroplaning on a slip ring present invention is shown in FIGS. Furthermore, these slip ring assemblies may be utilized in conjunction Teens hunter apparatus other than the inertial guidance systems described herein, such systems being only exemplary of an environment where the application of the slip ring assemblies of the present invention is particularly useful. Before you find yourself sliding across the highway on a cushion of water, find out if your vehicle has regular or anti-lock brakes. Make sure your tires have good tread. September Learn how and when to remove this template message. You can determine whether your tires have enough tread by checking the wear bars. January How do I choose a slip ring? You want to reduce your speed in order to gain control of your car, so you do need to ease off the gas. Yes, DSTI fluid rotary union and electrical slip ring technology can be integrated together into one complete solution for fluid, power, signal, and data transfer. Our experts are here for you! Co-authors:

USB2 de.

  • Even if all precautions fail and you do wind up hydroplaning, stay calm.
  • The water pressure in front of the tire forces a layer of water underneath the tire, reducing friction and causing the driver to lose control of the car.
  • This invention relates generally to slip ring assemblies and more particularly to a ball contact slip ring assembly for use in inertial guidance systems.
  • Aquaplaning or hydroplaning by the tires of a road vehicle , aircraft or other wheeled vehicle occurs when a layer of water builds between the wheels of the vehicle and the road surface, leading to a loss of traction that prevents the vehicle from responding to control inputs.
  • Whether you are driving in torrential rain or on roads that are still just a little damp from a shower that passed through hours ago, hydroplaning is a very real possibility and something that drivers should try to avoid at all costs.
  • DSTI slip rings electrical joints reliably transfer data and power from stationary sources to rotating parts.

USB2 de. EPA1 de. CAC de. Systems and methods for implementing an electrical rotary joint in a large-diameter system using small-diameter capsule slip rings. USA en. GBD0 en. CAC en. GBA en. USB2 en. DEA1 de. USA1 en. CNU zh. RUC2 ru. USB1 en. EPB1 de. DKB da. CNB zh. CAA1 en. Anti-tracking earth boring bit with selected varied pitch for overbreak optimization and vibration reduction.

September Learn how and when to remove this template message. Lastly, the frictional coefficient tends to be high because of the limited choice of satisfactory materials which can be used to serve both as a spring and an electrical contact. Namespaces Article Talk. Sleeves 54 and also serves to prevent brushes 70 and from popping out of their associated slots 73 and Updated May 1, Outline of tires Category. The above description is exemplary, modifications and improvements are intended to fall within the scope of this invention as defined solely in the following claims.

Hydroplaning on a slip ring

Hydroplaning on a slip ring

Hydroplaning on a slip ring

Hydroplaning on a slip ring

Hydroplaning on a slip ring

Hydroplaning on a slip ring. Hear about tips, offers, & more.

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USA1 - Hydroplaning Reducing Slip Ring Apparatus - Google Patents

Effective date : A slip ring apparatus including a ring assembly having a conductive ring with a conductive ring engagement surface, a contact assembly having a contact element with a contact element engagement surface for engaging with the conductive ring engagement surface, and a surface discontinuity provided in at least one of the conductive ring engagement surface and the contact element engagement surface.

An apparatus including the slip ring apparatus, wherein the apparatus includes a housing having an interior and a shaft rotatably extending through the interior of the housing. A method for reducing the potential of a hydroplaning effect in a slip ring apparatus, including providing a surface discontinuity in at least one of a conductive ring engagement surface and a contact element engagement surface.

As a non-limiting example, slip ring apparatus may be used in a variety of downhole applications as components of apparatus which are adapted to be inserted within boreholes. A slip ring apparatus may be immersed in a dielectric fluid during its operation. The potential hydroplaning effect tends to increase with the viscosity of the dielectric fluid and with the relative speed of rotation between the components of the slip ring apparatus.

The viscosity of the dielectric fluid in which a slip ring apparatus is immersed may vary, depending upon the operational temperature and requirements of the apparatus in which the slip ring apparatus is used and the properties of the dielectric fluid.

As the viscosity of the dielectric fluid increases and the relative speed of rotation between the components of the slip ring apparatus increases, the tendency of the components of the slip ring apparatus to lose contact due to the potential hydroplaning effect may tend to increase. Embodiments of the invention will now be described with reference to the accompanying drawings, in which:. The present disclosure is directed at a slip ring apparatus, at a variety of apparatus comprising the slip ring apparatus, and at a method of reducing the potential of a hydroplaning effect in a slip ring apparatus.

In some embodiments, the apparatus in which the slip ring apparatus is used may be configured to be inserted within a borehole. In some embodiments, the apparatus in which the slip ring apparatus is used may be an apparatus for use in drilling a borehole. In some embodiments, the apparatus in which the slip ring apparatus is used may be a drilling motor. In some embodiments, the apparatus in which the slip ring apparatus is used may be a rotary steerable drilling apparatus.

The slip ring apparatus is comprised of a ring assembly and at least one contact assembly. The ring assembly and the at least one contact assembly are electrically connected with each other and are rotatable relative to each other. Either or both of the ring assembly and the at least one contact assembly may rotate in order to provide relative rotation between the ring assembly and the at least one contact assembly. In some embodiments, the at least one contact assembly may be associated with a relatively stationary component of the apparatus and the ring assembly may be associated with a relatively rotating component of the apparatus.

In some embodiments, the at least one contact assembly may be associated with a relatively rotating component of the apparatus and the ring assembly may be associated with a relatively stationary component of the apparatus. In some embodiments, the apparatus in which the slip ring apparatus is used may be comprised of a housing and a shaft which rotatably extends through the interior of the housing.

In some embodiments in which the apparatus is comprised of a housing and a shaft, the ring assembly may be connected with the shaft so that the ring assembly rotates with the shaft. In some embodiments in which the apparatus is comprised of a housing and a shaft, the at least one contact assembly may be connected with the shaft so that the at least one contact assembly rotates with the shaft. In some embodiments in which the apparatus is comprised of a housing and a shaft, the at least one contact assembly may be mounted within the interior of a housing which contains the ring assembly so that the ring assembly is rotatable relative to the at least one contact assembly.

In some embodiments in which the apparatus is comprised of a housing and a shaft, the ring assembly may be mounted within the interior of a housing which contains the at least one contact assembly so that the ring assembly is rotatable relative to the at least one contact assembly. In some embodiments, the slip ring apparatus may be further comprised of a dielectric fluid.

The ring assembly and the at least one contact assembly may be immersed in the dielectric fluid. In some embodiments, the slip ring apparatus may be further comprised of a dielectric fluid chamber surrounding the ring assembly and the at least one contact assembly, for containing the dielectric fluid.

In some embodiments, the ring assembly may be comprised of at least one electrically conductive ring. Each conductive ring may be comprised of a conductive ring engagement surface. In some embodiments, each contact assembly may be comprised of at least one electrically conductive contact element.

Each contact element may be comprised of a contact element engagement surface, for engaging with a conductive ring engagement surface. The at least one conductive ring and the at least one contact element may be configured relative to each other in any suitable manner which provides an electrical connection between the ring assembly and the at least one contact assembly.

In some embodiments, a conductive ring engagement surface and a corresponding contact element engagement surface may be substantially perpendicular to a plane which is normal to the axis of relative rotation between the ring assembly and the at least one contact assembly.

In some embodiments, a conductive ring engagement surface and a corresponding contact element engagement surface may be substantially parallel to a plane which is normal to the axis of relative rotation between the ring assembly and the at least one contact assembly.

The conductive ring engagement surface of a conductive ring of a ring assembly may be engaged with the contact element engagement surface of at least one contact element of a contact assembly so that the ring assembly is electrically connected with the contact assembly. The contact element engagement surfaces of each contact element of a contact assembly may be engaged with the conductive ring engagement surface of at least one conductive ring of a ring assembly so that the ring assembly is electrically connected with the contact assembly.

Each contact assembly engages the ring assembly with an engagement force. In some embodiments, each contact element of a contact assembly engages a conductive ring of the ring assembly with an engagement force.

In some embodiments, each contact element engagement surface engages a conductive ring engagement surface with an engagement force. A surface discontinuity may be provided in at least one of the conductive ring engagement surface and the contact element engagement surface in an engagement between a conductive ring and a contact element. In some embodiments, a surface discontinuity may be provided in at least one of the conductive ring engagement surface and the contact element engagement surface in a plurality of engagements between a conductive ring and a contact element.

In some embodiments, a surface discontinuity may be provided in at least one of the conductive ring engagement surface and the contact element engagement surface in each engagement between a conductive ring and a contact element. A surface discontinuity may be comprised of any texture or shape which interrupts the smoothness of an engagement surface without preventing a continuous electrical connection between a conductive ring and a contact element during relative rotation of the conductive ring and the contact element.

In some embodiments, a surface discontinuity may be random i. In some embodiments, a surface discontinuity may exhibit a surface discontinuity pattern.

Accordingly, a groove may be provided in an engagement surface by providing a recess in the engagement surface or by providing raised portions in the engagement surface adjacent to the groove.

In some embodiments, a groove may be straight. In some embodiments, a groove may be curved. In some embodiments, a groove may be comprised of angled segments.

A groove may be oriented in any direction within an engagement surface. In some embodiments, a groove may be a longitudinal groove, a transverse groove, an oblique groove, or a combination thereof.

In some embodiments, a plurality of grooves may be comprised of longitudinal grooves, transverse grooves, oblique grooves, or combinations thereof.

Referring to FIGS. As non-limiting examples, the exemplary rotary steerable apparatus may be a rotary steerable drilling apparatus of the type described in U. As a non-limiting example, the slip ring apparatus 20 may be used in these apparatus to replace or supplement the electromagnetic coupling device which provides a communication link between the housing and the shaft in these rotary steerable drilling apparatus.

Referring to FIG. A shaft extends through the interior of the housing The shaft is rotatable relative to the housing In the exemplary rotary steerable apparatus , a drill bit is connected with a distal end of the shaft , and a drill string is connected with a proximal end of the shaft The drill string may include a drill string communication system such as a measurement-while-drilling system.

In the exemplary rotary steerable drilling apparatus , an anti-rotation device is connected with or integrated into the housing adjacent to a proximal end of the housing , and a near-bit stabilizer is connected with or integrated into the housing adjacent to a distal end of the housing In the exemplary rotary steerable drilling apparatus , a deflection mechanism is contained within the housing , for deflecting the shaft in order to provide a desired drilling direction.

Referring again to FIGS. In the exemplary embodiment, the ring assembly 22 is connected with the shaft so that the ring assembly 22 is contained within the interior of the housing and so that the ring assembly 22 is rotatable with the shaft relative to the housing The ring assembly 22 may be connected with the shaft in any suitable manner.

In the exemplary embodiment, the contact assemblies 24 are mounted within the interior of the housing so that the ring assembly 22 is rotatable relative to the contact assemblies In other embodiments, the contact assemblies 24 may be connected with the shaft and the ring assembly 22 may be associated with the housing so that the ring assembly 22 is rotatable relative to the contact assemblies The ring assembly 22 is comprised of at least one electrically conductive ring In the exemplary embodiment, the ring assembly 22 is comprised of four electrically conductive rings 50 separated by a dielectric material.

In the exemplary embodiment, the four conductive rings 50 provide four separate electrical channels or paths. Each of the contact assemblies 24 is comprised of at least one electrically conductive contact element A contact element 54 may be comprised of any suitable structure, device or apparatus including, without limitation, a brush or a finger. In the exemplary embodiment, each contact element 54 is comprised of an elongated flat metal finger or strip.

In the exemplary embodiment, each of the contact assemblies 24 is comprised of four pairs of electrically conductive contact elements In the exemplary embodiment, each of the pairs of contact elements 54 is engaged with one of the conductive rings 50 on the ring assembly 22 , so that each of the contact assemblies 24 is electrically connected with the ring assembly 22 to provide four separate electrical channels or paths and two contact elements 54 for each electrical channel or path, and so that the three contact assemblies 24 provide redundancy to assist in maintaining a constant electrical connection between the ring assembly 22 and at least one of the contact assemblies In the exemplary embodiment, the slip ring apparatus 20 is further comprised of a dielectric fluid chamber 60 which surrounds the ring assembly 22 and the contact assemblies In the exemplary embodiment, the dielectric fluid chamber 60 is defined within the rotary steerable drilling apparatus A dielectric fluid 62 is contained in the dielectric fluid chamber 60 so that the ring assembly 22 and the contact assemblies 24 are immersed in the dielectric fluid In the exemplary embodiment, each fluid shield 64 is mounted to the leading side of the contact assemblies 24 with fluid shield screws Only one fluid shield 84 is depicted in FIG.

The contact element engagement surfaces 72 engage with the conductive ring engagement surfaces 70 in order to electrically connect the ring assembly 22 with the contact assemblies In the exemplary embodiment, the conductive ring engagement surfaces 70 and the contact element engagement surfaces 72 are oriented in a plane which is substantially perpendicular to a plane which is normal to the axis of relative rotation between the ring assembly 22 and the contact assemblies In other embodiments, the engagement surfaces 70 , 72 may be oriented in a plane which is substantially parallel to a plane which is normal to the axis of relative rotation between the ring assembly 22 and the contact assemblies 24 , or at some other orientation.

The conductive rings 50 rotate relative to the contact elements 54 during the operation of the slip ring apparatus As a result, the conductive ring engagement surfaces 70 may be considered to extend for the full circumferential length of the conductive rings 50 , since every portion of the circumferential length of the conductive rings 50 will become engaged with a contact element 54 at some point during the rotation of the conductive rings The size of a contact element engagement surface 72 depends upon the size, shape and configuration of its respective contact element In some embodiments, a contact element engagement surface 72 may consist only of a point or a leading edge of its respective contact element In some embodiments, a contact element 54 may define a planar or curved area which engages with a conductive ring 50 and which provides the contact element engagement surface In the exemplary embodiment in which the contact elements 54 are comprised of elongated flat metal fingers or strips, the contact element engagement surfaces 72 are comprised of planar or curved areas at the distal ends of the contact elements In some embodiments in which a contact element 54 is comprised of a brush or a similar structure, the brush or similar structure may define both a contact element engagement surface 72 and a surface discontinuity In the exemplary embodiment, a surface discontinuity 80 is provided in at least one of the conductive ring engagement surface 70 and the contact element engagement surface 72 for each engagement between a conductive ring 50 and a contact element In the exemplary embodiment, each surface discontinuity 80 is comprised of a surface discontinuity pattern.

In the exemplary embodiment, each surface discontinuity 80 may be comprised of a plurality of grooves The surface discontinuity patterns may be the same or may vary throughout the slip ring apparatus The surface discontinuity patterns which are provided in a conductive ring engagement surface 70 and a corresponding contact element engagement surface 72 for a particular engagement may be the same or may be different.

In the exemplary embodiment, the surface discontinuity patterns are selected to avoid preventing a continuous electrical connection between a conductive ring 50 and a contact element 54 during relative rotation of the conductive ring 50 and the contact element In FIG. A slip ring apparatus comprising: a a ring assembly, wherein the ring assembly is comprised of an electrically conductive ring, and wherein the conductive ring is comprised of a conductive ring engagement surface;.

Hydroplaning on a slip ring

Hydroplaning on a slip ring