Electricity: magnetically operated switches, magnets, and electromagnets inventions 08/08

20080204174 - Linear actuator and apparatus utilizing the same: A linear actuator includes a cylindrical inner yoke made of a magnetic material, a first cylindrical inner permanent magnet joined to the inner yoke, a second cylindrical inner permanent magnet joined to the inner yoke, an outer yoke made of a magnetic material, an interconnecting member interconnecting the outer and... Agent: Pearne & Gordon LLP

20080204175 - Actuator for control valves and/or shut-off devices: The subject of the present invention is an actuator for control valves and/or shut-off devices with an actuating element acting on a closing or opening element, in which the actuating element comprises a push or pull rod (20, 21), which is in drive connection with the axially movable part of... Agent: Mcglew & Tuttle, PC

20080204176 - Unequally tapped coil solenoid valve: This invention discloses a magnetically latching solenoid valve and a solenoid thereof. The solenoid includes a coil disposed around a bobbin and divided into two sections by a tap for adjustable pull and release forces to a plunger disposed therein. A first section of the coil, through magnetic induction, pulls... Agent: Birch Stewart Kolasch & Birch

20080204177 - Pendulum drive system for personal care appliances: The actuator (10, 90) of a personal care appliance, such as a toothbrush (11), which includes a housing member (12), a double E shaped yoke assembly (14, 52) with two electrical coils (36, 38) wound around the opposing E shaped sections. An armature (28) extends adjacent the top of the... Agent: Philips Intellectual Property & Standards

20080204178 - Method for improving the operation of electrically controlled actuators for an internal combustion engine: A method to improve the performance of an electrically operable actuator is described. The method demagnetizes at least the core of an electromagnet to improve operation of the electrically operable actuator.... Agent: Ford Global Technologies, LLC

20080197948 - Cylinder position sensor and cylinder incorporating the same: A cylinder position sensor a cylinder including the same. At least one magnet is coupled to a component of the cylinder. A sense element provides an output in response to magnetic flux from the magnet. The output of the sense element varies with the position of a piston and piston... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080197949 - Actuator assembly, method of driving an actuator assembly and apparatus for driving an actuator assembly: An actuator assembly includes a first part (2), a second part (3), the second part (3) including a guide (5,6) for guiding motion of the first part (2) relative to the second part (3), and means (10,11; 16-18; 20-22; 24-27) for generating a driving force between the first part (2)... Agent: Philips Intellectual Property & Standards

20080197950 - demagnetizing method: A method is presented for demagnetizing ferromagnetic components in an alternating field of an externally excited electrical series resonant circuit. A supply voltage having an excitation frequency (f) is applied in parallel to a demagnetization coil having a no-load inductance of the series resonant circuit, because of which an alternating... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20080197951 - Driving method for magnetic element: A method for driving a magnetic element is provided. The method includes steps of: a) providing a first magnetic field, b) providing a second magnetic field interacting with the first magnetic field to generate a magnetostatic field, c) putting the magnetic element into the magnetostatic field, and d) generating a... Agent: Volpe And Koenig, P.C.

20080191819 - Slot motor housing and circuit interrupter including the same: A circuit breaker includes a housing, separable contacts, an operating mechanism structured to open and close the separable contacts, a power conductor including a first conductor and a second reverse loop conductor, the second reverse loop conductor carrying one of the separable contacts, and a slot motor. The slot motor... Agent: Martin J. Moran Eaton Electrical, Inc.

20080191820 - Tie bar for three pole switching device: A multipole switching device selectively switches electrical power from an electrical power source to a load circuit. A first control device comprises a housing mountable in a panel, an electromechanical actuator in the housing including a movable plunger, and an electrical switch in the housing operated by the plunger. A... Agent: Siemens Corporation Intellectual Property Department

20080191821 - Electrical supply circuit, switch activating apparatus and method for operating a switch activating apparatus: An electric supply circuit is provided for a switch actuating device containing an actuator, an electromagnetic drive for displacing the actuator from a first switching position to a second switching position, and a mechanical return device for returning the actuator from the second switching position to the first switching position.... Agent: Lerner Greenberg Stemer LLP

20080191822 - Magnetically biased magnetopropant and pump: Provided is a system and method for enabling pressure or acoustic waves to induce magnetostrictive volume or shape change, providing greater control over magnetopropants. A coating material and the spacing between a magnetopropant and a magnetic particle are selected such that a certain pressure causes change in the relative distance... Agent: Charles Saron Knobloch

20080191823 - Magnet coil system with active drift compensation for two independent current paths: A magnet coil system (2) which is at least partially superconducting at a cryogenic temperature, comprising at least two partial coils (3, 4, 5) which are connected in series and are each bridged by a superconducting switch (6, 7, 8), such that the partial coils form independent electric loops (11,... Agent: Kohler Schmid Moebus

20080191824 - Actuator: An actuator includes: a base member; a first slider that is placed slidably in a first axial direction with respect to the base member; a second slider that is placed slidably in a second axial direction with respect to the base member, the second axial direction being perpendicular to the... Agent: Staas & Halsey LLP

20080191825 - Method and system for a linear actuator with stationary vertical magnets and coils: A linear actuating device contains a top magnet and a bottom magnet. The bottom magnet is axially aligned with the top magnet. The top magnet and the bottom magnet have opposing magnetization. A washer is sandwiched between the top magnet and the bottom magnet. A top coil is positioned within... Agent: Hayes, Soloway P.c.

20080191827 - Eye module: An eye module at least including a body, a magnetic element, a casing and a plurality of magnet windings is provided. The body is a globe. The magnetic element is disposed on the body. The body is disposed in the casing in a rotatable manner. A plurality of magnet windings... Agent: Bacon & Thomas, Pllc

20080191826 - Position recognition in an electromagnetic actuaton without sensors: An electromagnetic actuator and a method for controlling the actuator comprising at least one armature (3) and two coils (1, 2). The voltage gradient at the two coils (1, 2) is measured during a sudden increase in voltage. From this measured data, a subtractor (16) computes a third voltage gradient... Agent: Davis Bujold & Daniels, P.l.l.c.

20080191828 - Method for opening hollow structures made from magnetic nanoparticles: A method is proposed for opening of hollow structures made of magnetic nanoparticles. To avoid an unwanted heating, the hollow structures are opened by a strong, preferably rotating magnetic field. The method can be used, in particular, for the releasing of a diagnostic and/or therapeutic agent in a human or... Agent: Sheridan Ross Pc

20080186116 - Circuit breaker with independent trip and reset lockout: Resettable circuit breakers having an independent trip mechanism and a reset lockout are provided. The trip mechanism operates independently of the fault protection operations, and the reset lockout prevents the resetting of the circuit breaker if the fault protection is non-operational or if an open neutral condition exists.... Agent: Leviton Manufacturing Company Incorporated (cdfs) C/o Carter, Deluca, Farrell & Schmidt, LLP

20080186117 - Actuation microsystem and method of producing same: The actuation microsystem is produced on a flat substrate and comprises a pivoting arm mounted in rotation around a hinge, a stationary contact pad arranged on the substrate, and an end of opening travel stop of the pivoting arm. The end of travel stop comprises a top part, for example... Agent: Oliff & Berridge, PLC

20080186118 - Electromagnetic drive device: An electromagnetic drive system contains an armature that can be displaced along an axis. The armature contains a piston-shaped section. The piston-shaped section is guided in a cylindrical section of the stator. A recess extends through the piston-shaped section substantially in the direction of the axis. The incorporation of the... Agent: Lerner Greenberg Stemer LLP