A torque sensor includes: a first area, a second area provided around the first area, a plurality of beams connecting the first area and the second area, and a detector configured to detect torque applied between the first area and the second area, the detector being provided on the first area. The detector includes an insulation film layered on the first area and a strain gauge layered on the insulation film and deformable in accordance with the torque.

The invention relates to a torque sensor (10) with a main body (12) that extends in an axial and circumferential direction, and which extends in a radial direction of the main body from an annular inner flange (18) with first force introduction points (16) via a mechanically weakened sensor portion (20), which is provided with measuring sensors that generate output signals, to an annular outer flange (32) with second force introduction points (34), wherein the second force introduction points (34) are connected to the sensor portion (20) via a radially elastic material portion (28). The radially elastic material portion (28) is formed by multiple radially elastic bending strips 31), which are arranged in a distributed manner around a circumference of the main body (12), and is connected to the mechanically weakened sensor portion (20) via an annular, radially stiff decoupling region (27).

A pressure reading assembly including a housing defining a conduit configured to transmit bodily fluid therethrough and a receiving tube having a first opening and an inner cylindrical surface. The pressure reading assembly further includes a sensing apparatus which includes a sensor disposed on a substrate and an engagement member including a generally columnar sealing member configured to engage an inner cylindrical surface of a receiving tube within the housing connected to the substrate about the sensor. The sealing member defines an axial bore extending from a proximal end to a distal end and includes an outer sealing surface defining one or more engaging elements configured to non-adhesively engage the inner cylindrical surface of the receiving tube to resist removal of the sensor assembly so that a pre-sterilized sensor assembly can be removed from a clean sealed packaging and joined directly with the housing.

A torque sensor for detecting torque around a predetermined rotation axis, including: a first support body, a second support body, a detection part which connects the first support body and the second support body and which undergoes elastic deformation by exertion of torque to be detected, a detection element which detects elastic deformation occurring at the detection part, and a detection circuit which outputs an electric signal indicating torque around the rotation axis exerted on one of (i) the first support body in a state that a load is applied to the second support body, and (ii) the second support body in a state that a load is applied to the first support body. The detection element includes a capacitive element which includes a displacement electrode fixed to a displacement part and a fixing electrode opposing the displacement electrode. The detection circuit outputs the electric signal indicating the exerted torque based on fluctuation in capacitance value of the capacitive element.

A force sensor device includes a strain generator including a first fixed part secured to a portion transmitting rotational driving force or a portion to which the rotational driving force is transmitted, a second fixed part secured to the portion to which the driving force is transmitted or the portion transmitting the driving force, and a joining part that joins the first fixed part to the second fixed part; a strain detecting sensor that detects deformation in the joining part; and a support member provided with a base secured to the second fixed part, wherein the support member includes a regulator and a protrusion, and wherein, in a support part of the first fixed part, a groove is formed by cutting the support part from an inner surface in a radial direction toward an outer surface, and the protrusion of the support member is inserted into the groove.

A self-powered apparatus is used for various kinds of cycling and indoor exercise devices. The self-powered apparatus includes a pedal unit, a spindle, a generator and an energy storage element. The pedal unit includes an inner surface to form an accommodating space therein. The spindle is accommodated in the accommodating space. The generator includes a stator and a rotor. The stator is disposed on the spindle, the rotor is disposed on the inner surface of the pedal unit, and the rotor surrounds the stator correspondingly and is non-contact with the stator. The energy storage element is electrically coupled to the generator. When the pedal unit is being pedaled to rotate by a rider, the stator is fixed on the spindle, the rotor rotates relatively to the stator and along with the pedal unit, and a power is generated by the generator to charge the energy storage element.

An external gear includes a body, external teeth, a diaphragm, and a strain gauge. The diaphragm extends in a direction intersecting with an axial direction on another side in of the body the axial direction. The strain gauge is on at least one of a surface on one side of the diaphragm in the axial direction and a surface on another side of the diaphragm in the axial direction. The strain gauge is only in a region that is about a half or less of a radial length from one end of the diaphragm in the axial direction to the other end of the diaphragm in the axial direction with a radial midpoint between the one end of the diaphragm in the axial direction and the other end of the diaphragm in the axial direction as a center in a section passing through the central axis.

A sensor includes a base, and first and second resistance lines. The base extends in a direction intersecting with a central axis. The first resistance lines are arrayed in a circumferential direction on a surface of the base. The second resistance lines are arranged concentrically with the first resistance lines and between the first resistance lines in the circumferential direction on the surface of the base. In the first resistance lines, the number of regions of the resistance line along the circumferential direction is one or less, and the number of regions of the resistance line along a radial direction is one or less.

A rotating power tool is provided. The rotating power tool may include a bevel gear set having a bevel gear and a conductive spiral disposed on the bevel gear. The conductive spiral may be configured to, in response to the bevel gear deforming due to a torque being applied to the bevel gear, change a resistance of the conductive spiral. The rotating power tool may further include an antenna electrically connected to the conductive spiral. The antenna may be configured to emit an output signal at a frequency that is based on the resistance value of the conductive spiral. The frequency of the output signal may be indicative of an amount of torque being applied to the bevel gear.

The invention relates to a flexible transmission components for a harmonic drive comprising a resilient toothing element formed as a sheet metal part and having external toothing, and a printed circuit board bonded to the toothing element.