Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8069736 | Torque sensor The present invention aims at detecting torque with a high degree of precision, by suppressing influences such as disturbance and rotation dependency. An output side cylinder is provided with a reference slit, and an input side cylinder is provided with a first dete... | 12/06/2011 |
| 7644635 | Position sensor which is intended, in particular, for measuring steering column torsion The invention relates to a position sensor which is intended, in particular, for detecting a steering column torsion. The invention consists of: a first magnetic rotor structure (10) comprising a plurality of radially-oriented magnets; a second stator structu... | 01/12/2010 |
| 7500408 | Torque detection device An inventive torque detection device includes: a magnetic circuit forming member having a tubular magnet provided at a first rotating body, and a magnetic ring that is located circumferentially of the tubular magnet and rotated together with a second rotating body c... | 03/10/2009 |
| 7433758 | Control apparatus of robot A robot control apparatus capable of largely reducing a calculation amount to be capable of lowering a load of a CPU is provided. A control apparatus of a robot includes: a plurality of shafts interfering with each other; each of the shafts including a motor (8 | 10/07/2008 |
| 7320255 | Torque sensor magnetometer The magnetometer assembly according to this invention includes a first coil assembly and a second coil assembly for detecting separate magnetic fields along an axial portion of a torque transducer. The first and second coil assemblies are driven by independently adj... | 01/22/2008 |
| 7293472 | Torque detecting apparatus In a torque detecting apparatus, in each of two flux concentrating rings, a portion along a circumferential direction is raised outward in a radial direction so that a flux concentrating section is provided that has a plate shape extending on one side in an axial di... | 11/13/2007 |
| 7287440 | Torque sensor A magnetism generation portion 4 is provided at a first shaft 2, and a first magnetic yoke 7 and a second magnetic yoke 8 bent in L shape are provided at a second shaft 3 so that a magnetic flux generated at the magnetism generatio... | 10/30/2007 |
| 7275619 | Electric power steering system An electric power steering system includes: a first rotation detection section including a first sensor section and outputting a signal corresponding to a rotation of an input shaft; a second rotation detection section including second and third sensor sections and ... | 10/02/2007 |
| 7263904 | Torque-detecting device To provide a torque detecting device having a sufficient mechanical strength, capable of accomplishing an accurate torque measurement, having a processability excellent for mass-production, and effective to eliminate problems associated with damages which would be b... | 09/04/2007 |
| 7258027 | Device for detecting absolute rotation angle and torque A detector of an absolute rotation angle and torque includes a first gear coupled to an input shaft of a torsion-bar unit, a gear A engaging with the first gear, and a first detecting section of an absolute rotation angle placed at the center of the gear A. The dete... | 08/21/2007 |
| 7256505 | Shaft mounted energy harvesting for wireless sensor operation and data transmission A device for monitoring a rotating shaft is provided. The device measures strain in the shaft and provides angular velocity and torque in the shaft. The device includes a sensor, sensor conditioning circuitry, a microprocessor, and a transmitter, all located on a ro... | 08/14/2007 |
| 7246531 | Torque sensor for detecting a shaft torque A first shaft and a second shaft are connected coaxially. A torsion bar converts a torque applied between two shafts into a torsion displacement. A multipolar magnet is fixed to the first shaft. One set of magnetic yokes is fixed to the second shaft and disposed in ... | 07/24/2007 |
| 7222541 | Measuring torsional distortion with an easily applied clip device (saw) A device for measuring torsional distortion of a body comprises first and second clip portions each having a central part and two legs depending from the central part, each leg having adjacent the free end thereof a groove or projection for engaging a respective pro... | 05/29/2007 |
| 7215118 | Transducer for generating and measuring torsional waves, and apparatus and method for structural diagnosis using the same A method and an apparatus for structural diagnosis, which generates torsional waves upon a shaft, beam or pipe having arbitrary cross-sections, such as a circular cross-section, and senses existence or location of the cracks through analyzing reflected waves are dis... | 05/08/2007 |
| 7201044 | Torque sensor integrated with engine components A torque sensor system and method. An automotive engine is located opposite a torque converter, such that a shaft extends from the engine and interacts with the torque converter. A target is located between the engine and torque converter. One or more torque sensors... | 04/10/2007 |
| 7202618 | Inverter device The control device records, in advance, a current data table which specifies relationships between currents in respective phases in a three-phase motor and rotation angles of a rotor of the three-phase motor, obtains, from the current data table, a rotation angle of... | 04/10/2007 |
| 7201070 | Rotational angle detecting apparatus and torque detecting apparatus A rotational angle detecting apparatus, in which first targets and second targets, the number thereof is coprime with each other, are provided at the rotors rotating coaxially with each other. Rotational angle of the rotor is detected based on the detection signals ... | 04/10/2007 |
| 7197946 | Torque measuring device for electric motors and method to measure the torque of an electric motor A torque measuring device for electric motors having a rotor and a stator is proposed, said apparatus comprising a holding apparatus to hold the stator non-rotatably, an eddy current brake device which can be used to brake the rotor and a torque sensor connected to ... | 04/03/2007 |
| 7174795 | Integrated non-contacting torque and absolute position sensor for steering applications An integrated torque and position sensor is set forth for measuring the relative rotational movement between an input and an output shaft and for measuring the final angle position of the output shaft. The integrated sensor includes a wheel that rotates with the sha... | 02/13/2007 |
| 7131339 | Measurement of torsional dynamics of rotating shafts using magnetostrictive sensors A device and method for the non-contact measurement of dynamic torsion in a rotating shaft using magnetostrictive sensors (MsS). The monitoring and detection system have specially configured magnetostrictive signal detectors that include inductive pickup coils, in w... | 11/07/2006 |
| 7117753 | Torque detecting apparatus The torque detecting apparatus comprises an input shaft to which a torque is inputted, an output shaft for outputting the inputted torque, a connecting shaft for connecting the input shaft and the output shaft to transmit the torque, a coil for detecting a torque ap... | 10/10/2006 |
| 7117755 | Torque sensor for vehicle A torque sensor including a first step formed on an inner peripheral surface of a sensor housing, a second step formed on an outer peripheral surface of a detection coil assembly, the first and second steps axially supporting each other, and a groove formed on the o... | 10/10/2006 |
| 7107862 | Torque sensor assembling method, torque sensor and electric power steering device A method of assembling a torque sensor includes the steps of fixing a first inner coil portion at one end side of a torsion bar, fixing a second inner coil portion at an other end side of the torsion bar, measuring an angle difference between an angle of the first i... | 09/19/2006 |
| 7089794 | Method and apparatus for tracking a resonant frequency An arrangement for tracking resonant frequency of electrically resonant structures through a single channel includes a variable frequency oscillator associated with each resonant structure which provides an excitation signal of a variable frequency encompassing a po... | 08/15/2006 |
| 7047824 | Electric power steering system having a torque sensor A torque sensor has a torsion bar coaxially in alignment with input and output shafts, a ring shaped magnet fixed to an axial end of the input shaft, a pair of magnetic yokes fixed to an axial end of the output shaft, and a magnetic sensor for detecting magnetic flu... | 05/23/2006 |
| 7036233 | Pivot linkage including a non-contact, rotational angle measurement sensor for heavy machinery A pivot linkage including a non-contact, rotational angle measurement magnetoresistive sensor for interconnecting first and second rotating components of heavy equipment or machinery, the pivot joint linkage, including a ball joint or a cylindrical pin joint and the... | 05/02/2006 |
| 7026734 | Timing disc fixing The invention relates to a timing disc fitting for an encoder system. It consists of a timing disc hub (1) which can be plugged to a motor shaft (2) and to which there is fixed a timing disc (3). In accordance with the invention, the timing disc... | 04/11/2006 |
| 7001671 | Kinetic sprayed electrical contacts on conductive substrates The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form... | 02/21/2006 |
| 6988422 | Magnetic torque sensor including integral sub-units A pair of magnetic flux collecting rings and a magnetic sensor are integrally covered by a molded resin to form a sub unit of a torque sensor. The pair of rings and sensors are integrated and are in contact with each other, i.e., the magnetic sensor is held in betwe... | 01/24/2006 |
| 6978686 | Torque sensor In a torque sensor having a magnetic metal film with magnetic anisotropy attached to a torque transmission shaft, and an exciting coil and a pair of detector coils each installed near the magnetic metal film, outputs of the detector coils and a reference signal are ... | 12/27/2005 |
| 6978685 | Steering state detecting apparatus In a detecting apparatus for detecting a steering state at a steering member (1) by respectively providing targets (34 and 35) in the shape of a spur gear having teeth portions (34a and 35a) to an input shaft (32 | 12/27/2005 |
| 6973991 | Electric power steering apparatus A driving control unit (21b) of a controller (21) determines which of an input shaft (32) and an output shaft (33) in a steering shaft (3) is dynamically superior and when the output shaft (33) is dynamically superior... | 12/13/2005 |
| 6957590 | Rotational angle detecting apparatus and torque detecting apparatus A calculation processing circuit 10 executes a predetermined operation on the detection signals of a plurality of magnetic sensors A and B, disposed to face a target 3a made of a magnetic material and provided on a rotating member 6, for ... | 10/25/2005 |
| 6948385 | Rotational angle detecting apparatus and torque detecting apparatus One or plural rotors are coaxially provided on a first shaft and a second shaft connected with each other by a connection shaft. Plural targets are provided at each rotor. Two detecting means disposed opposite to the targets output detection signals having phases di... | 09/27/2005 |
| 6935195 | Rotational angle detecting apparatus, torque detecting apparatus and steering apparatus A rotational angle detecting apparatus wherein one or more first targets 3a are provided on a steering shaft 13 so that first detecting means 1A outputs a detection signal as the steering shaft 13 rotates, second detecting means | 08/30/2005 |
| 6854343 | Torque sensor for electric power-assisted steering systems Torsion in a shaft with two portions or a torsion bar caused by a torque is initially converted into an angular movement of a disc-shaped movement converter fastened to the first portion. A carrier surrounding the shaft as a sleeve is fastened to the second portion ... | 02/15/2005 |
| 6846260 | Automatic transmission In an automatic transmission having a torque converter with a pump impeller, a turbine runner, and a stator, a stator shaft is provided to support the stator on its outer periphery and to rotatably support a transmission input shaft on its inner periphery. A magneto... | 01/25/2005 |
| 6763733 | Rotational angle detecting device, torque detecting device, and steering apparatus A target plate 3 is provided onto a shaft 1 and is has targets 3a arranged on an outer circumference. Facing the outer circumference of this target plate 3 is a sensor 5 that is provided with MR elements, which are arranged ... | 07/20/2004 |
| 6701793 | Torque sensor The present invention relates to a magnetostrictive sensor for measuring a torque in a shaft. The sensor comprises at least one active magnetostrictive region on the shaft, a surface pattern in the magnetostrictive region such that it obtains anisotropic ... | 03/09/2004 |
| 6595073 | Magnetostrictive device for torque sensor and method of manufacture of the same A magnetostrictive device for a torque sensor which has a high sensor sensitivity whether the excitation frequency is in a high frequency range or in a low frequency range and can withstand excess load torques well, and also a method of easily manufacturi... | 07/22/2003 |
