Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7333724 | Camera and piezo ceramic motor therefor A camera has an axially moveable cylinder retaining a lens and a piezo ceramic motor for axially moving the cylinder. The motor has a piezo ceramic drive member that incrementally advances the cylinder in response to the application of an electric potential and a pi... | 02/19/2008 |
| 7176596 | Pivot joint structure for motor rotor The invention relates to a pivot joint structure of the motor rotor including a spindle and a snap ring. The spindle is centrally disposed in the rotor and the end thereof near the urging part has a scoop channel with smaller outer diameter. The urging part has at l... | 02/13/2007 |
| 7172917 | Method of making a nanogap for variable capacitive elements, and device having a nanogap A method for fabricating a variable capacitive device including providing a base silicon-bearing compound electrode which is vertically-inclined with respect to a substrate, depositing a sacrificial layer on the base electrode, depositing a silicon-bearing compound ... | 02/06/2007 |
| 6975061 | Apparatus for moving a pair of opposing surfaces in response to an electrical activation An apparatus for moving a pair of opposing surfaces in response to an electrical activation having a support including a rigid non-flexing portion, at least one pivotable arm portion extending from the rigid non-flexing portion, a pair of opposing surfaces with one ... | 12/13/2005 |
| 6924586 | Uni-body piezoelectric motor An apparatus according to the present invention includes a support structure having a primary portion with first and second arm portions formed thereon for movement relative to one another, and a secondary portion with either a clamp portion or valve portion integra... | 08/02/2005 |
| 6919655 | Induction-type gyrator capable of reciprocating and vibrating motions A gyrating device includes a stator and a rotor. The stator is formed of at least one induction member and two induction coils connected with the induction member by an induction signal. The rotor is formed of at least one magnet and two inductors. The rotor is caus... | 07/19/2005 |
| 6903481 | Commutator for electric motors The commutator has a cylindrical collector (1), disposed on a motor armature shaft, and electrical-contact means (4, 5), which during one rotation of the collector (1) touch at least two each of a plurality of commutator laminations (3) t... | 06/07/2005 |
| 6710483 | Actuator capable of revolving A revolution type actuator having a movable member performing a revolution motion includes a movable member capable of revolving with respect to a fixed member, a plurality of conducting paths which are provided on a face parallel to a trajectory face of the above-m... | 03/23/2004 |
| 6664711 | Harmonic motor A harmonic motor includes a first annular member, a second member, and device for flexing the first annular member. The first annular member has a longitudinal axis and is flexible. The second member is substantially coaxially aligned with the first annul... | 12/16/2003 |
| 6661139 | Motor-gear unit with integrated eccentric wheel gear A motor-gear unit, having an eccentric wheel gear, driven by a rotary drive (3), which eccentric wheel gear has an eccentric element (8), an eccentric wheel (10) rotatably supported on the eccentric element, and a driver (15), and the driver (15) cooperat... | 12/09/2003 |
| 6570275 | Motor having two degrees of free motion with a core having inner and outer winding portions A motor having two degrees of free motion includes: a motor casing; a combined core of cylindrical shape having a plurality of inner teeth inside and a plurality of outer teeth outside and fixedly coupled inside the motor casing; a first coil winding woun... | 05/27/2003 |
| 6548927 | Eccentric orbiting type driving apparatus A stator (2) is fixed to a casing (1). Bearing supports (5, 6) are fixed to the casing (1), and a rotary shaft (4) is rotatably supported by the bearing supports (5, 6) through bearings (7, 8). A rotor (3) is fixed to the rotary shaft (4), and an orbiting... | 04/15/2003 |
| 6548926 | Linear displacement actuator The subject of the invention is a linear displacement actuator which includes a male part and a female part. One part includes a screw thread and the other part includes at least one peripheral rib which collaborates with the screw thread. The inside diam... | 04/15/2003 |
| 6369477 | Roller-type electric motor A roller-type electric motor includes a housing having a hollow interior and an inner wall. A plurality of stator poles each of predetermined magnetic polarity are positioned at the inner wall of the housing, and a roller having an outer surface is positi... | 04/09/2002 |
| 6326714 | Two-axis pointing motor The present invention provides an improvement in a two-axis pointing motor (20) having a frame (21) and an armature (22). The armature has an axis (x-x) passing through a point (P). The armature is mounted on the frame for controlled omni-directional pivo... | 12/04/2001 |
| 5892310 | Torquer assembly A torquer assembly is to exert torques about two mutually orthogonal axes on a platform which is mounted for universal movement about a central swivelling point. To this end, a stator having four pairs of pole pieces is provided. The pole pieces are angul... | 04/06/1999 |
| 5854528 | Ultrasonic motor An ultrasonic motor has a vibrating body 3 and a moving body 11 supported by a supporting component 7. A rounded lower end of the supporting component is supported in a tapered dent of a supporting base 10, and therefore when a side pressure is applied, i... | 12/29/1998 |
| 5804898 | Electric motor utilizing magnetic energy of permanent magnet An electric motor is capable of increased output torque by utilizing both electric energy by an electromagnet and a magnetic energy by a permanent magnet. The electric motor includes a wobble rotor made of a magnetic material including at least one perman... | 09/08/1998 |
| 5805375 | Wobble motor microactuator for fine positioning and disk drive incorporating the microactuator A microfabricated wobble motor with a positioning arm attached to the wobble motor rotor acts as a fine positioner with bidirectional movement. The primary application is a rotary actuator for the read/write head in a very small magnetic recording disk dr... | 09/08/1998 |
| 5793134 | Drive arrangement for high-pressure pump and high-pressure cleaner with such a drive arrangement In a drive arrangement for driving a pump of the axial-piston type, of which solely the swash-plate member (8) is shown, from a motor (1), the main novel feature is that the motor shaft (9) is directly connected or connectable to the swash-plate member (8... | 08/11/1998 |
| 5747915 | Bent shaft motor A nonelectromagnetic motor comprising a base, a bent shaft which is rotable relative to the base wherein the bent shaft comprises a straight portion aligned with a main axis and an offset portion that is offset with respect to the main axis; and a drive m... | 05/05/1998 |
| 5719458 | Power generator with improved rotor A power generator includes an electromagnet for generating a rotating magnetic field when being excited by a three-phase alternating current applied thereto, a rotation output shaft rotatably supported on a supporting member in such a manner as to be posi... | 02/17/1998 |
| 5708311 | Integrated electric motor driven in line hydraulic pump An integrated electric motor-driven in-line hydraulic pump that includes a housing with an internal shaft, and a cylinder block mounted for rotation on the shaft. The rotor of an electric motor has an internally affixed bearing sleeve that is rotatably su... | 01/13/1998 |
| 5705869 | Magnetic axial thrust bearings fabricated on individual stator segments An axial magnetic thrust bearing stator includes a plurality of laminated cores. Each of the cores is magnetically conductive, situated in a common plane, and symmetrically situated about a center of rotation. A plurality of electrically conductive coils ... | 01/06/1998 |
| 5703422 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 12/30/1997 |
| 5677583 | Electric motor having rotor with offset against stator A electric motor is capable of increased output torque and efficiency in utilizing magnetic energy. The electric motor includes a plurality of electromagnets arranged annularly, each of the electromagnets having a magnetically permeable armature and a win... | 10/14/1997 |
| 5675197 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 10/07/1997 |
| 5672923 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 09/30/1997 |
| 5656879 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 08/12/1997 |
| 5635782 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 06/03/1997 |
| 5610460 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 03/11/1997 |
| 5606209 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 02/25/1997 |
| 5579290 | Epicycloidal step motor The stator of the motor comprises two pole pieces (1, 2) which are axially staggered. An axially magnetized cylindrical rotor (5) is disposed in the openings or bores of said pole pieces. The rotor (5) is provided with an external toothing (3) which is co... | 11/26/1996 |
| 5545943 | Variable air-gap type driving device The variable air-gap type driving detector of the present invention for obtaining low speed and high torque outputs required to drive, for example, joints of industrial robots is provided with an elastic supporting means 22, whose one end is supported on ... | 08/13/1996 |
| 5508572 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 04/16/1996 |
| 5497041 | Low speed geared motor In a low speed geared motor, a rotational magnetic field is formed in a stator against S-poles and N-poles in a permanent magnetic ring capable of being elliptically deformed. An external gear is rotated while internally meshing with an internal gear by m... | 03/05/1996 |
| 5479058 | Geared motor A geared motor employing a brushless induction motor in nested arrangement, either concentrically inwardly or concentrically outwardly, with a gear reduction device employing two gear wheels, one with interior teeth and one with exterior teeth, said teeth... | 12/26/1995 |
| 5448117 | Stepper motor A stepper motor includes a stator with magnetic poles extending radially outward from a central core to form segments of an outer stator surface, an armature ring fitting loosely over the stator, and a rotor with a drive plate rotationally driven by rolle... | 09/05/1995 |
| 5426336 | Magnetic eccentric motion motor An eccentric-motion motor for driving a utilization mechanism includes a stator defining a closed surface pathway, an armature composed of a permanent magnet rollably disposed on the closed surface pathway, a series of electromagnetic elements disposed in... | 06/20/1995 |
| 5338993 | Motor apparatus An improved motor apparatus includes five motor coils which are connected with a stator and are sequentially energizeable to cause a rotor to nutate and rotate relative to the stator. Control circuitry includes an upper transistor and a lower transistor w... | 08/16/1994 |
