Snap-on Equipment Srl a Unico Socio

Snap-on Equipment S.r.l.

Mks Instruments, Inc.

Francesco Braghiroli

Paolo Sotgiu

Marco Tralli

Lillo Gucciardino

Mohammad Kamarehi

Norberto Castagnoli

Gianluca Cavalli

Kenneth B Trenholm

Fabrizio Cagnolati

Paolo Balocchi

Shankar Mukherjee

Simona Cultrera

Mohamed Shaheen

Bryan Gallivan

Salvatore Caramazza

Mukherjee Shankar

A method of generating power with a power generation system. Solid state generators generate a plurality of outputs. The outputs of the solid state generator modules are combined from a plurality of channels, in a combiner, using a phase optimization technique to generate an in phase combined output power.

System and method of power generation with phase linked solid-state generator modules

The present invention relates to a method and an apparatus for mounting a tyre on a rim or demounting a tyre from a rim. The method includes the steps of rotating the wheel (tyre/rim assembly) by an electric motor about an axis, checking the current consumption of the electric motor during the mounting and demounting operation, and continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation. The apparatus for mounting a tyre on a rim or demounting a tyre from a rim comprises an electric motor for rotating the wheel (rim/tyre assembly) about an axis, a sensing device for sensing the motor current and transmitting corresponding signals to a control device and an adjustment controller for continuously and automatically adjusting a specific combination of torque and speed of the electric motor during the mounting/demounting operation.

Method for mounting a tyre on a rim or demounting a tyre from a rim and apparatus therefore

A microwave magnetron includes a cathode for emitting electrons, a filament for receiving a filament current to heat the cathode to enable to cathode to emit the electrons, and an anode to which anodic power can be applied to affect a flow of the electrons. An anodic power input receives the anodic power to be applied to the anode, the anodic power being characterized by an anodic current, an anodic voltage, and an anodic impedance, the anodic impedance being a quotient of the anodic voltage and the anodic current. An electromagnet power input receives electromagnet power and applies the electromagnet power to an electromagnet to control an intensity of a magnetic field, the electromagnet power being characterized by an electromagnet current. A controller adjusts at least one of the parameters of the magnetron to affect the flow of electrons while maintaining the anodic impedance constant.

Microwave magnetron with constant anodic impedance and systems using the same

The invention relates to a method for mounting/demounting a tyre (T) on a rim (R). The method comprises the steps of: determining an initial reference position for the mounting/demounting device (U, U), said initial reference position being proximal to an edge (E) of the wheel rim (R); linking the position of the mounting/demounting device (U, U) with the initial reference position; adjusting the position of the mounting/demounting device (U, U) with respect to either the first or the second direction; continuously detecting the position of the mounting/demounting device (U, U) with respect to said either first or second direction; and continuously and automatically adjusting the position of the mounting/demounting device (U, U), with respect to the other one of said either first or second direction, at least in dependence of the initial reference position.

Method for mounting and demounting a tyre to and from a wheel rim

A lifting device () for at least one wheel () of a vehicle or for a tire (), said device () comprising at least one platform () on which the wheel () or tire () moves, said platform () being liftable relative to a fixed surface (P). The movable platform () is associated with a laser scanner () for detecting the state of wear of the tire ().

Device for lifting at least one vehicle wheel or tyre, with detector of the state of wear of the latter

An apparatus for the maintenance of wheels of vehicles, like a balancer or a device for mounting/dismounting tires, comprises a support adapted to support a rim of a wheel of a vehicle. A device for detecting the eccentricity of a tire of the wheel is mounted on the support. Such device comprises an optical system configured to capture a light beam reflected by a tread of the tire and focus it on a point of an optical sensor. The optical sensor emits a signal indicative of an average value of a radial distance of the linear portion from the main axis. A control unit processes a plurality of average values corresponding to different linear portions of the tread and obtained during the rotation of the tire, and detects the eccentricity of said tire.

Method for detecting the eccentricity of a tire for vehicle wheels within processes of maintenance of said wheels and apparatus for the maintenance of wheels of vehicles

The invention relates to a method for contactless determining a behavior of a loaded tire or wheel, comprising the steps of determining a contour of at least a portion of the tire or wheel; simulating loading of the tire or wheel with a virtual loading element bearing against the tire for at least one rotary position of the wheel on the basis of the determined contour, a displacement of the determined contour caused by the virtual loading element and at least one parameter associated to the tire or wheel or to a part of the tire; and determining the behavior of the loaded wheel using the simulation results.

Determination of behavior of loaded wheels by load simulation

The present invention relates to communication system for tyre service machine being configured for receiving tyre and/or rim of vehicle wheel rotatably about rotation axis, the communication system comprising at least one processing unit and at least one measuring unit, at least one measuring unit comprising at least one sensor component for measuring at least one property of wheel, processing component for processing data acquired by at least one sensor component and/or for processing input data received from at least one of at least one processing unit, at least one processing unit and at least one measuring unit each comprising data communication component for receiving data from and/or transmitting data to another data communication component. The data communication component of processing unit and data communication components of at least one measuring unit are arranged for communicating wirelessly with each other in accordance with at least one sensor-independent protocol.

Communication system for a tyre service machine and measuring unit for being used with such communication system

A lifting apparatus for a vehicle wheel comprising a wheel support which is selectively movable in order to lift or lower a vehicle wheel which is positioned thereon. An actuator group is connected to the wheel support in order to actuate the lifting and lowering thereof. A control unit is operationally connected to the actuator group in order to control the actuation. A lifting sensor member is provided to detect the height of the wheel support. At least one actuation instruction brings about the actuation of the actuator group in order to lift the wheel support from a lowered rest position to a predetermined lifting position, which is detected by the lifting sensor member.

Lifting apparatus for vehicle wheels

A wheel service machine and a method for servicing a wheel, such as a tire changer or a wheel balancer for a vehicle wheel, comprises a rotary mounting including a shaft to which the wheel is mounted, a frame work for carrying at least the rotary mounting, and a sensing device mounted to the frame work, for determining geometrical dimensions of the wheel, or parts of the wheel. The sensing device comprises a carrier element and a first sensing unit for sensing the wheel and a computing device for determining the geometrical dimensions of the wheel based on the data received from the sensing device, the first sensing unit being mounted on the carrier element. The wheel service machine further comprises a drive element for enabling a pivotal movement of the sensing device, wherein the drive element is a micro stepper motor.

Wheel service machine with compact sensing device

Method and apparatus for determining geometrical dimensions of a wheel, especially a vehicle wheel, or of at least a part of the wheel, comprising the steps of pivoting at least one sensing device for scanning the wheel surface or a part of the wheel surface about a pivot axis in plane perpendicular to the wheel axis and determining the geometrical dimensions of the scanned wheel surface in dependence from the angular position of the at least one sensing device, wherein the angular position is determined from measured accelerations of the sensing device in two predetermined directions during the pivotal movement of the sensing device.

Method and apparatus for determining geometrical dimensions of a wheel

A method and an apparatus for determining rotary angle related measurement data of a body mounted rotatable about an axis of rotation, the body being a vehicle wheel or a part of a vehicle wheel, in particular a tire or a rim, the method comprising the steps of obtaining measurement data comprising a plurality of measurement data elements of the rotating body together with respective measuring times, determining at least one rotational speed or revolution period of the body for at least one point in time, and associating the obtained measurement data elements to respective rotary angles of the body based on the respective measuring times and the at least one rotational speed or revolution period of the body.

Method of determining rotary angle related data of a vehicle wheel

A vehicle wheel service apparatus, in particular a wheel balancer or a tire changer, comprising a load means for applying a predetermined load onto a peripheral surface of a wheel/tire assembly, a sensor device arranged to determine forces acting between the peripheral surface of the wheel/tire assembly and the load means, wherein the forces comprise at least a first force acting in a radial direction of the wheel/tire assembly and a second force acting in a circumferential direction of the wheel/tire assembly, and an evaluation device arranged to determine a rolling resistance coefficient of the tire on the basis of the first and second forces.

Growing community of inventors

Reggio Emilia, Italy

Francesco Braghiroli