Abstract: An adjustable ultrasonic gas flow measurement device includes a gas pipe, a transmitter, a receiver and a micro-processing module. The gas pipe is filled with a gas under test. The transmitter and the receiver are respectively installed in two ends of the gas pipe for transmitting and receiving ultrasonic signals inside the gas pipe. The micro-processing module is electrically connected to the transmitter and the receiver for generating and sending a first ultrasonic signal to the transmitter for transmitting, and comparing the phase shift of a second ultrasonic signal and a third ultrasonic signal to output a phase comparison result, wherein the transmitted first ultrasonic signal passing through the gas pipe was received by the receiver as the second ultrasonic signal, and the third ultrasonic signal is generated by shifting the first ultrasonic signal with a predetermined phase difference.

Abstract: The present invention pertains to a flow conditioner for displacing and mixing fluid flow to minimize the effects of thermal gradients on the accuracy of a transit time ultrasonic flowmeter and defines an envelope in a cross sectional direction in a pipe having a first ramp adapted to be disposed in the pipe and extending from the outside of the envelope inward toward the center of the pipe in a downstream direction with respect to the fluid flow and forming an angle between 0° and 90° relative to the pipe's inner surface. The conditioner has a second ramp adapted to be disposed in the pipe and in juxtaposition with the first ramp, the second ramp extending from the outside of the envelope inward toward the center of the pipe in an upstream direction with respect to the fluid flow and forming an angle between 0° and 90° relative to the pipe's inner surface. An apparatus for determining fluid flow in a pipe having ultrasonic transducer sites. A method for determining fluid flow in a pipe.

Abstract: A measuring system and method for determining and/or monitoring the flow of a measured medium through a measuring tube with a first ultrasonic sensor and at least a second ultrasonic sensor. The first Ultrasonic sensor is placeable in a first region of the measuring tube, and the second ultrasonic sensor is placeable in a second region of the measuring tube. The ultrasonic signals transmittable through the measured medium from the first ultrasonic sensor are receivable by the second ultrasonic sensor, and the ultrasonic signals transmittable through the measured medium from the second ultrasonic sensor are receivable by the first ultrasonic sensor. A control/evaluation unit ascertains the volume flow and/or the mass flow of the measured medium flowing in the measuring tube by means of a travel-time difference method.

Abstract: A method for operating a flow meter is provided. The flow meter includes a driver and pickoff sensors coupled to a flow tube. The driver is adapted to vibrate the flow tube in response to a drive signal. The method comprises setting a target pickoff voltage and measuring a flow meter temperature. The method further comprises generating a temperature compensated target pickoff voltage and controlling the drive signal to maintain a temperature compensated flow tube amplitude.

Abstract: A measuring transducer serves for registering at least one physical, measured variable of a flowable medium guided in a pipeline and/or for producing Coriolis forces serving for registering a mass flow rate of a flowable medium guided in a pipeline. The measuring transducer comprises: a transducer housing; four, straight, measuring tubes connected to flow dividers for guiding flowing medium along flow paths. Each of the four measuring tubes opens with an inlet-side, measuring tube end into one the flow openings of an inlet-side, flow divider and with an outlet-side, measuring tube end into one of the flow openings. An electromechanical exciter mechanism for producing and/or maintaining mechanical oscillations of the four measuring tubes. The exciter mechanism is embodied in such a manner, that, the measuring tubes are excitable pairwise to execute opposite phase bending oscillations in, in each case, a shared imaginary plane of oscillation.

Abstract: A pressure sensor for measuring a pressure of a fluid in fluid flow path of a fuel cell system is disclosed. The pressure sensor includes a housing provided with a communication path formed between the fluid flow path and an interior of the housing, the communication path having a hydrophobic feature to militate against a formation and an accumulation of an undesired material within the pressure sensor.

Abstract: This invention provides small position sensors for applications where localized sensing in a small volume of space is needed but where measurement of large relative displacement is also necessary. The invention enables a surgeon to accurately position the tip of a catheter during minimally invasive therapy. The current invention further improves the quality of tactile feedback to a physician during catheter-based surgeries with an axial force sensor at the tip of the catheter that allows for the transmission of force information to the physician. One embodiment of this invention is a position sensor for active interventional catheters, where the sensor may be laser-machined shape memory alloy (SMA), and the catheter actuators may be heated SMA or wire-pulleys. Providing position feedback from a catheter during minimally invasive therapy allows for closed-loop control of the catheter tip position under computer-aided guidance and enable force feedback to the physician.

Abstract: A torque sensing system, a torque sensor, a method for determining an amount of torque, and a steering system are provided. The method includes generating a first output signal utilizing a first plurality of piezo-electric transducers disposed between a first plurality of tooth portions of a first hub portion and a second plurality of tooth portions of a second hub portion when the first hub portion is rotated in a first direction relative to the second hub portion. The transducers are electrically coupled in series with one another. The method further includes filtering the first output signal to obtain a first filtered signal and amplifying the first filtered signal to obtain a first amplified signal. The method further includes determining a first torque value indicative of a first amount of torque applied to an input shaft based on the first amplified signal.

Abstract: A system for measuring the weight of an object while pulling the object upward includes a puller having a frame and a cable having a first end coupled to the object and a second end engaging a second cylinder. At least a portion of the cable engages the outer circumferential surface of a first cylinder and the second cylinder. The apparatus also includes an upper arm and an actuator. A force measurement device is coupled to the first cylinder and to the upper arm and measures the weight of the object. The actuator is operable to lower and raise the weight measurement device and the first cylinder. In some embodiments, the position of the cable with respect to the frame may be adjusted by a dampening system or a bushing.

Abstract: A specimen handling apparatus is provided and includes a body in which a bore is defined and a needle having a tip portion and a bit, which is removably insertible into the bore with the tip portion at least partially exposed, the bore and the bit each being formed such that, when the bit is inserted into the bore, the needle is forced into one of first or second rotational positions relative to a long axis thereof.

Abstract: A sampler for automatic taking of liquid samples from a sample-taking location. The sampler includes: a housing with a door; an energy or power supply unit; a control/evaluation unit; a sample-taking unit, which, in a predeterminable time interval, takes a predetermined quantity of sample from the sample-taking location; a sample collecting unit arranged in a lower region of the housing of the sampler for storing taken samples; and a temperature-control unit, which controls at least the region of the sampler, in which the sample collecting unit is arranged, to a predetermined temperature.

Abstract: A specimen processing device comprising: first and second units for processing specimens; a conveyance unit for conveying a specimen rack in a first direction from a first position where the specimen is retrieved by the first unit to a second position where the specimen is retrieved by the second unit, and a second direction opposite to the first position; a detector common to the first and second units for executing a detection process with respect to the sample containers; and a conveyance controller controlling the conveyance unit to convey some sample containers of the detected sample containers executed with the detection process to the first position, and to convey the other sample containers of the detected sample containers to the second position, the some sample containers and the other sample containers being held by a common rack, is disclosed. A specimen processing method is also disclosed.

Abstract: Because a sample holder 100 is composed of a plurality of convex parts 1 provided on a top face of a base substance 2, and the plurality of convex parts 1 are spherical surfaces 1a formed of a single crystal or amorphous material, frictional wear of the sample at contact parts between a sample 4 and the convex parts 1 is reduced, thereby making it possible to inhibit particle generation. Further, because a joining layer 3 is formed of a single crystal or amorphous material, there is no defect that particles scattered on the sample holder 100 fill up it, which makes it possible to easily keep it in a clean state by cleaning, and it is possible to effectively reduce reattachment of particles to the sample 4.

Abstract: A method of counting and analyzing an alloy by image analysis. The method includes a) preparing a sample of the alloy; b) determining inclusion detection thresholds by observation, with magnification, of at least one field of the sample; c) detecting inclusions of the sample as a function of the threshold defined in b), and counting the inclusions; d) acquiring images of each of the inclusions detected in c) and determining a size of each of the inclusions; e) determining the chemical composition of each of the detected inclusions by chemically analyzing each of them; and f) making a map of the sample from the images acquired in d), the map showing spatial distribution of the inclusions, in which each of the detected inclusions is represented by a graphics element, a size of the graphics element being proportional to the size of the inclusion, and a color of the graphics element being correlated to the chemical composition of the inclusion.

Abstract: Apparatus for non-destructive inspection of structural elements or workpieces, in particular those having an airfoil configuration, that moves a scanning sensor across the width (span) of a structural element or workpiece for the purpose of detecting structural damage. In one embodiment, the apparatus simultaneously traverses the length (chord) of the structural element or workpiece. In another embodiment, the apparatus includes a guide rail that encompasses the structural element or workpiece and the scanning sensor travels along the guide rail from a first location at an upper rear region, to the front, of the structural element or workpiece, and then around the leading edge toward the lower rear region. The apparatus includes a processor and a display device to display the processed, sensed, information.

Abstract: A method for providing torque to assist in moving a component of a mobile platform. Biasing forces may be applied to opposing portions of a torque transferring member that enable the torque transferring member to be maintained in a position of equilibrium. A torque may be applied to one of the component and the torque transferring member such that the biasing forces cooperatively exert a torque on the torque transferring member to assist in moving the torque transferring member out from the position of equilibrium. Motion of the torque transferring member out from the position of equilibrium may be used to assist in moving the component.

Abstract: A gear changing device (1) has a gear lever (3) to operate a vehicle gear box, and several sensors to detect the movement of the gear lever with respect to the surroundings as a result of a force exerted by a user on the gear lever. The gear-changing device also has two electrical motors (5, 7), which are connected to the gear lever (3) via transmissions (9, 11). The transmission (9, 11) are formed by self-braking worm-worm wheel transmissions. The gear lever (3) can only be shifted if the electrical motors are actuated. The electrical motors shift the gear lever or permit the movement of the gear lever, depending on the sensor signals. The movement speed of the gear lever in this is such that it appears to the user that he has to overcome resistance to be able to shift the gear lever, so that the gear lever exercises a haptic effect.

Abstract: In a gear shift device and a method for operating a manual gearshift device of a motor vehicle including a control unit which, in a gear shift mode is adapted to resolve a recognized tooth butt condition of a gear shift device which is to be engaged positively by a starting clutch, the control unit is adapted to select a starting mode for resolving the tooth butt condition by setting a startup readiness parameter which determines a startup readiness condition as established before the tooth butt condition is resolved for initiating clutch engagement and thereby resolving the tooth butt condition and, at the same time, starting movement of the vehicle.

Abstract: A transmission generally includes a shaft member having a continuous cylindrical surface portion longitudinally disposed next to a cylindrical outer surface portion interrupted by longitudinal grooves. A first gear assembly has a first clutch spring that holds a first set of rolling members between lobes that extend from a first output gear. A second gear assembly has a second clutch spring that holds a second set of rolling members between lobes that extend from a second output gear. The first gear assembly and the second gear assembly are configured to move longitudinally along the shaft member to a position where at least one of the first gear assembly and the second gear assembly is engaged for rotation with the shaft member when a value of torque at the shaft member is below a torque threshold value.

Abstract: The invention relates to a transmission device comprising a first gear wheel and a second gear wheel that is rotatably coupled thereto, wherein a damping element acting in the circumferential direction is provided axially between the gear wheels. According to the invention it is provided that the damping element can be tensioned by the gear wheels during the operation of the transmission device.

Abstract: An actuating device for transmitting shift commands to an automatic gearbox of a motor vehicle. The actuating device comprises a selector lever which is movable in a selector lane between an automatic shift lane and a sequential shift lane, a shift carriage for transmitting the shift commands to a gearbox transmission element, a separating device for separating the force transmission between the selector lever and the shift carriage, and a locking device for blocking the selector lever in at least one selector lever position. The locking device is set up to block the shift carriage. The shift carriage can be blocked not only in the shift-lock positions but also in the position of the shift carriage which corresponds to the selector lane position of the selector lever.

Abstract: A robot arm for an industrial robot, including a first arm part and a second arm part, where the second arm part is rotatably journalled in the first arm part for rotation about a first axis of rotation, characterized in that the second arm part includes a tubular member, rotatably journalled in the first arm part, so that the tubular member is configured to support the robot arm.

Abstract: A system for navigating around healthy organs to reach a desired site of surgery is provided. The system includes an articulating shaft capable of navigating around healthy organs in a body. The articulating shaft includes a plurality of shaft sections and one or more movable joints. Further, the one or more movable joints have a two-degree of freedom motion. The two-degree of freedom joints operatively connect the plurality of shaft sections. Moreover, the system includes one or more cables which aid in controlling the movements of the movable joints. Additionally, the system can include a variety of medical tools located at the tip of a shaft section of the articulating shaft, wherein the medical tool aids in performing the medical activity.

Abstract: A transmission apparatus includes a drive member, a driven member, and an at least partially flexible transmission coupled to the drive member and the driven member. The flexible transmission is configured to cause movement of the driven member in response to movement of the drive member. The flexible transmission includes a first tension element having a first portion coupled to the drive member, a second portion coupled to the driven member, and an intermediate portion between the first portion and the second portion. The transmission apparatus also includes an adjustment member that engages the intermediate portion of the first tension element. The adjustment member is configured to be adjusted to vary a tension force applied to the first tension element.

Abstract: A transmission includes a drive member, a driven member having a connection mechanism, and an at least partially flexible transmission coupled to the drive member and the connection mechanism of the driven member and configured to cause movement of the driven member in response to movement of the drive member. The connection mechanism is configured to be adjusted to vary a tension force applied to the flexible transmission.

Abstract: Actuator elements such as cables or push rods in an instrument are used for manipulating an end effector or distal end of the instrument. Each actuator element extends within a tubular housing and either the tubular housing is axially rotated about the actuator element or the actuator element is axially rotated within the tubular housing to reduce at least one force opposing an axial force exerted through or movement of the actuator element.

Abstract: A clamping device for the positional fixing of a vehicle steering column which can be adjusted in its length and/or inclination has a clamping disc and a plurality of rolling bodies, with clamping ramps for the rolling bodies being formed on the surface of the clamping disc, wherein the rolling bodies each make contact with one of a plurality of separate contact elements arranged in a common plane.

Abstract: A well coated wrench includes a metal element, a one-way mechanism and an isolative coating. The metal element includes a tunnel defined therein. The one-way mechanism is substantially located in the tunnel. The one-way mechanism includes a tongue located outside the tunnel and a button located outside the tunnel. The isolative coating is provided on the metal element. The isolative coating includes an external annular ridge located around the button.

Abstract: A ratchet device with stable structure includes a control unit, at least three receiving spaces defined on the top plane of the control unit, the receiving spaces communicating with each other, a pair of blockers and a elastomer located in each receiving space, a ratchet unit connected to the control unit, the ratchet unit having a spindle formed at one end thereof, a plurality of teeth formed around the periphery of the ratchet unit, the teeth engaged with the blockers of the control unit; a switching unit connected to the ratchet unit, at least three push sticks extruded from the bottom of the switching unit for pushing against the blockers. Therefore, the amounts of engaging faces among the blockers and the teeth are as enough as possible to make the engagement between the blockers and the teeth stable during an external torsion.

Abstract: A drive tool that includes a drive socket. The drive socket includes alternating flutes and lobes and has a conical portion. The lobes, rather than being tapered in the conical portion of the socket, are each uniform in width as they progress to an end of the socket. The fact that the lobes are uniform in width in the conical portion of the drive socket provides for better engagement with the flutes of a conical section of a fastener.

Abstract: A device for engaging and rotating a glad hand. The device featuring a receptacle and an adaptor flange. The receptacle shaped to allow a glad hand to be seated therein. The receptacle formed by a base and at least one side wall extending from the base. The adaptor flange axially extending from an exterior surface of the base of the receptacle opposite the at least one side wall, the adaptor flange having a body, a central cavity and a open end opposite the base, the central cavity of the adaptor flange extending longitudinally within at least part of the body from the open end.

Abstract: A wrench with a quick rotatable driving head includes a handle, a driving head and a quick-disengaging unit. The quick-disengaging unit is composed of a fixing member secured with the driving head, an operating member inserted through the handle and fitted around the fixing member, and a restraining element transversely provided between the fixing member and the operating member and the handle. The handle and the driving head can be separated by the quick-disengaging unit so that the driving head, with the quick-disengaging unit acting as a pivot, can quickly screw or unscrew a thread locking member, and the operating member can be restrictedly positioned on the fixing member by the restraining element, able to prevent the handle and the driving head from separating.

Abstract: A ratchetable open-ended wrench includes a handle for a hand to grasp, a wrench head located on one end of the handle, and a fastener room located in the wrench head for accommodating a workpiece to be rotated. The wrench head further includes a first jaw having a first driving wall, a second jaw having a second driving wall facing the first driving wall, an inner wall extending from the second driving wall into the second jaw, a concavity, an auxiliary jaw retracting opening, an auxiliary jaw capable of longitudinally sliding into the auxiliary jaw retracting opening in an elastic way, and an auxiliary jaw limiting member coupled to a limiting slot. The auxiliary jaw further includes an exterior end having a pillow in contact with the driving wall and a pushing surface for working together with the first jaw to grip the workpiece under operation, an interior end, and a limiting slot.

Abstract: An axial connecting structure of pliers contains two symmetrical bodies axially connected together by using a first screw bolt and a nut; each body including a first extension with a grip and a second extension axially connected with a clamping paw, wherein the second extension includes a hollow fitting member, the fitting member includes a central hole, a limiting shaft, a positioning orifice to receive a spring and a ball, and a circular disc; the clamping paw includes an annular tab having a central post, the post includes an axial aperture, the tab also includes a receiving chamber to fit the fitting member and an inner fringe, the receiving chamber includes a guiding groove based on a radian of a predetermined degree of first central angle, the inner fringe includes plural recesses arranged thereon based on a radian of a second central angle.

Abstract: An automatic screw tightening apparatus has a screw discharging unit for transferring a screw to a transfer tube, an engaging unit for engaging the head part of the screw transferred from the transfer tube with a front end of a driver, and an openable and closable sealing cover for preventing air from leaking and which is opened and exposes the screw for tightening.

Abstract: A wrench for a valve includes an elongated member having a first end portion and a second end portion. A first leg and a second leg are attached to the first end portion. The first leg and the second leg extend at an angle with respect to each other to form a gap therebetween. The first leg and second leg both having an inner surface for engaging with an outer surface of a bonnet and both legs having a front surface for engaging with a side surface of a rib attached to the outer surface of the bonnet. The wrench also including a handle attached to the second end portion.

Abstract: A screw driver for a screw having a drive socket having an axially extending shaft with a bifurcated tip, the tip having a cross-sectional profile for insertion into a cross-sectional profile of the screw socket. The shaft has a tapered section adjacent the bifurcated tip. A bushing is mounted on an outer surface of the shaft for axial movement therealong. The bushing has inwardly extending protrusions for engaging the tapered section on the shaft upon movement in the axial direction along the shaft in a direction. away from the tip. This allows the selective capture or release of the screw by the shaft tip by axial movement of the bushing away from and towards the shaft distal tip.

Abstract: The present invention relates to a device for controlling a brake of a microtome. The microtome (1) has an actuating element (2), a movement mechanism (8) and a brake. With the aid of the movement mechanism (8), an object to be cut can be moved relative to a knife blade. The actuating element (2) can be manually actuated by an operator and, as a result thereof, the relative motion between the object and the knife blade can be performed with the movement mechanism (8). The relative motion can be locked with the aid of the brake. So that the relative motion between the object and the knife blade can be used in a mechanically designed movement mechanism (8) and/or the relative motion can be locked without an additional hand movement of the operator, the inventive device is characterized by at least one sensor unit (5, 13). The sensor unit (5, 13) is provided on the actuating element (2) or adjacent to the actuating element (2). With the aid of the sensor unit (5, 13) a contact by the operator can be determined.

Abstract: A hole punch includes a base and a handle assembly to actuate a punch pin. The base may include a housing enclosing a punch head, and the housing may include an opening where the handle assembly is adapted to be recessed within the opening. The handle assembly may include a first linkage and a second linkage, each pivotally coupled to the base, and a third linkage pivotally coupled to both the first and second linkages, where the third linkage is arranged to move substantially parallel to the base. The first linkage may be substantially parallel to the second linkage when the punch pin is in a rest position, and the second linkage may be configured to nest within the first linkage when the punch pin is in a deployed position.

Abstract: An assembly of fibrous support preforms that makes it possible to obtain a composite-material part that includes a space (30) that originates from the assembly in which a long-member profile (32) of organic or inorganic fibers is housed and whose purpose is to fill the space (30), is characterized in that the long-member profile includes at least one metal fiber that extends over the entire length of the profile (32) so as to ensure the function of a marker that can be detected by detection element (38) that emit waves that can be modified by the marker (36).

Abstract: A braider comprises a plurality of horngears. The horngears can be arranged for forming at least two closed paths for braiding. Each horngear has a driving gear and a hornplate. Each horngear can be selectably operated in a first mode, to rotate with the driving gear, and in a second mode, in which the driving gear rotates, but the hornplate does not. Bobbin carriers are positioned on some of the horngears. A track is configurable in: a first flat braiding mode with the carriers arranged on the horngears, so that there is one or more separate closed path for forming a first flat braid configuration; and a second flat braiding mode for forming a second flat braid configuration different from the first flat braid configuration. A switch is provided for changing a configuration of the track between the first and second flat braiding modes.

Abstract: A thermal insulation jacket for a gun barrel, especially a cannon barrel, where the thermal insulation jacket includes a metal jacket that surrounds the gun barrel. In order to prevent uneven heating of the surface of the gun barrel within the thermal insulation jacket, an additional area that is especially effective at reflecting thermal radiation is provided on the inner surface of the metal jacket that lies opposite the underside of the gun barrel, so that when the gun barrel heats, the temperature differences between the upper side and the underside of the gun barrel are at least partially compensated. For this purpose, a reflective film is provided as the area that is a good reflector of thermal radiation. This reflective film is adhesively attached to the metal jacket.

Abstract: A drum style magazine for a firearm is disclosed. The magazine has a tower and a magazine body. The magazine body contains a cartridge gear for holding and carrying cartridges of ammunition. The cartridge gear has two rows of teeth, separated by a channel. Cartridges can be held between the teeth of the rows. The gear has a unique shape that makes it relatively easy to manufacture.

Abstract: An energy dissipation assembly is provided for mounting between a fixed support and moveable support. The assembly includes a sacrificial deformation tube, a hardened cutter/deflector assembly and, optionally, a connecting cable to maintain the cutter/deflector assembly in juxtaposed coaxial alignment with an end deformation tube. The cutter/deflector assembly has a generally flattened disc shaped profile and includes a central hub, a circular support ring and one or more cutting blades. The support ring is concentrically about the hub and has an inner diameter greater than the outer tube diameter. On the occurrence of a shock force, the cutter/deflector assembly moves axial to cut/deform the deformation tube to dissipate force energy.

Abstract: A gun mount for mounting a weapon to a vehicle includes a weapon mount plate defining a planar surface. First and second side plates are oriented at an angle to the weapon mount plate planar surface. Front and rear plates are perpendicular to the weapon mount plate and the first and second side plates supporting the weapon mount plate and fixed to the first and second side plates. A male tab extends from both the first and second side plates. A female slot is created in individual ones of both the front and rear plates. The female slot is aligned to slidably receive the male tab with a male tab freely extending portion extending beyond the female slot. A tab weld joint created at the freely extending portion of the male tab fixes the first and second side plates to the front and rear plates.

Abstract: In weapon shot is fired during counterrecoil. The counterrecoil energy damps the recoil energy. During recoil, the breech block is unlocked, the spent cartridge case is ejected from the barrel by the residual pressure of the powder gases and is directed by a deflector into a hole in the gun carriage. When recoiling into the aftmost position, the barrel approaches the projectile and locks it by means of the breech block. Meanwhile, the next cartridge is taken from a magazine. In the event of misfire, the barrel, continuing to counterrecoil, actuates an extractor for removing the defective projectile. A recoil imitator returns the barrel to the aftmost position, where it is loaded with a projectile in a manner similar to the post-firing recoil. The technical result is ability to load the weapon automatically before firing or to reload the weapon automatically in the event of misfire.

Abstract: A fluid-working machine comprises at least one primary working chamber such as a cylinder (4) of cyclically changing volume and primary valves (7) to control the connection of the at least one chamber to low (10)- and high (9)-pressure manifolds. The machine has at least one secondary working chamber (5) of cyclically changing volume and a secondary valve (12, 21) for placing the secondary chamber in communication with the primary chamber (4) in an active state of the secondary chamber (5) and for isolating it therefrom in an idling state of the secondary chamber.

Abstract: In cylinder chambers 14 and 15 of a housing 10 constituting an actuator main body 13, racks 17 and 18, to both end portions of which piston portions 17a and 18a are provided, are reciprocably incorporated. A pinion 25 meshing with the racks 17 and 18 is provided on a rotary shaft 24 rotatably mounted to the housing 10. An inner ring 32 is incorporated inside an outer ring 41 fixed to the housing 10, and the inner ring 32 is attached to the rotary shaft 24 and rotates and drives a swung member. Rollers 43 serving as rolling elements are incorporated between an inner peripheral surface of the outer ring 41 and an outer peripheral surface of the inner ring 32, and the rotary shaft 24 and the inner ring 32 are rotatably supported by the outer ring 41 via the rollers 43.

Abstract: The present invention provides a method and apparatus for separating air from a fluid, such as syrup, as the fluid enters a first chamber of a system; passing the fluid from the first chamber to a second chamber via a first device; passing the air from the first chamber to the second chamber via a second device so as to reintroduce the air back into the fluid and form a new fluid mixture having more uniform air bubbles; and discharging the new fluid out of the system.

Abstract: A food cooling device includes a cover, an electric motor powering a fan, and an automatic switch. The cover defines air intake openings beneath a motor housing, a bottom orifice, and vents between the air intake openings and the orifice. The bottom opening rests on a table, covering a plate containing hot food. A fan blade directs air toward the food, the air cools the food, and the heated air escapes through the vents. The cooling device is portable, light in weight, and easy to operate, making it suitable for use by small children as well as handicapped persons of all ages.