Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Tokumoto; Yoshitomo
Address:
Nabari, JP
No. of patents:
21
Patents:












Patent Number Title Of Patent Date Issued
8020454 Torque detection device and electric power steering apparatus using the same September 20, 2011
A torque detection device has a magnetic flux collecting ring, arranged outside an outer periphery of a magnetic circuit forming member which is provided in a rotating body applied with a torque, for collecting a magnetic flux generated by the magnetic circuit forming member; a detec
7950494 Torque detecting device and electric power steering apparatus using the same May 31, 2011
There is provided a torque detecting device including: magnetic flux concentrating rings which locate on a magnetic circuit forming member provided in a rotating body to which a torque is exerted, the rings concentrating a magnetic flux generated by the member; a detecting part which
7568400 Torque detecting apparatus August 4, 2009
A torque detecting apparatus is provided which is capable of easily positioning a magnetic sensor in relation to a corresponding pair of magnetism collecting projections and thus improving the detection accuracy of the magnetic sensor without increasing the number of assembling and p
7533583 Torque detecting apparatus May 19, 2009
Magnetic pole nails 51, 51 . . . aligned on magnetic yokes 5, 5 that integrally rotate with the second shaft 2 are formed in a rectangular shape, and the circumferential width and alignment pitch of the magnetic pole nails 51, 51 . . . are appropriately determined with respect to the
7509883 Torque detecting apparatus and manufacturing method thereof March 31, 2009
A detecting unit for detecting a torque applied to a rotor according to rotation of the rotor having an input shaft and an output shaft connected with each other by a torsion bar and a detection circuit board connected with the detecting unit are molded with synthetic resin material to f
7500408 Torque detection device March 10, 2009
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 connected to the first
7415899 Torque detecting apparatus August 26, 2008
The number n of N-poles and S-poles circumferentially aligned on the cylindrical magnet that integrally rotates with the first shaft is determined so as to be a greatest integer that satisfies the following formula that includes a maximum value T.sub.max (Nm) of the torque to be dete
7415898 Torque detecting apparatus and electric power steering apparatus August 26, 2008
A torque detecting apparatus according to the present invention includes a first shaft and a second shaft connected coaxially to each other through a connecting shaft, a permanent magnet fixed to the first shaft, a plurality of soft magnetic members having a collar provided therein,
7370541 Torque detecting apparatus May 13, 2008
A torque detecting apparatus detects torque applied upon a torsion bar of an electric power steering apparatus, as two sensors, which have ratiometric characteristics and have the same characteristics, simultaneously detect the amount of torsion of the torsion bar. With a gain of one
7293472 Torque detecting apparatus November 13, 2007
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 direction. These flux
7275619 Electric power steering system October 2, 2007
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 outputting signals
7201070 Rotational angle detecting apparatus and torque detecting apparatus April 10, 2007
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 from each of two senso
6948385 Rotational angle detecting apparatus and torque detecting apparatus September 27, 2005
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 different from each othe
6935195 Rotational angle detecting apparatus, torque detecting apparatus and steering apparatus August 30, 2005
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 1B outputs a detection signal having a phase different
6847876 Electric power steering apparatus January 25, 2005
An electric power steering apparatus for detecting the rotational angles of a steering shaft, which connects the steering wheel of a vehicle and the steering mechanism, at different positions in the axial direction of the steering shaft, calculating torque applied to the steering shaft b
6763733 Rotational angle detecting device, torque detecting device, and steering apparatus July 20, 2004
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 in a circumferential direction in accordance with an arrangement
6691820 Torque detecting apparatus and electric power steering apparatus February 17, 2004
A torque detecting apparatus which can detect steering torque applied on a steering shaft which connects a steering wheel and a steering mechanism from the steering wheel side and inverse input torque applied on the same from the steering mechanism side, and an electric power steering ap
6554096 Torque detecting apparatus and steering apparatus April 29, 2003
A torque detecting apparatus for each input shaft and output shaft that are connected with a torsion bar, a detecting device for detecting regions of a plurality of targets arranged so that the regions to be detected change periodically and continuously with rotation of rotors for detect
6543571 Torque detecting apparatus and electric power steering apparatus April 8, 2003
A torque detecting apparatus which can detect steering torque applied on a steering shaft which connects a steering wheel and a steering mechanism from the steering wheel side and inverse input torque applied on the same from the steering mechanism side, and an electric power steering ap
6513396 Magnetic sensor, magnetic sensor device, and torque sensor February 4, 2003
A cylindrical rotating member is provided with a magnetic element, which are an object that is detected, on the outer surface thereof. The magnetic element is led around the rotating member by one turn and is at an angle relative to the rotating direction of the rotating member in an
6363797 Rotational angle detecting device torque detecting device and steering apparatus April 2, 2002
A rotational angle detecting device includes a rotating member and a target which is provided on the rotating member. The target has a variable inclining portion to be detected is continuously changed as the rotating member rotates, and at least one detecting device, for detecting the










 
 
  Recently Added Patents
Control device of hybrid vehicle
Sensing device and electronic apparatus
Eyeglasses
Sparse data compression
Method, system and program for securing redundancy in parallel computing system
Cup
Apparatus for restoring setting information of a board management controller from a backup memory before loading an OS when a system board is replaced
  Randomly Featured Patents
Method and apparatus for polishing semiconductor substrate
Particle level indicator
Bicycle suspension system employing highly predictable pedalling characteristics
Wire stripping mechanism
Switch scaling for virtualized network interface controllers
Multi-faceted nesting modules
Cold rolling a contour in metal rings
Soybean variety XB06M11
Managing primitive program vertex attributes as per-attribute arrays
Method of forming a capacitor and a contact plug