| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 702044000 | Mechanical work or power measurement | 25 |
| 20090006007 | SYSTEM AND METHOD FOR MEASURING MACHINE ROLLING RESISTANCE - A method of measuring rolling resistance of a machine is disclosed. The method may include determining a drive axle torque value of the machine and calculating a total effective grade value using the drive axle torque value. The method may further include determining at least one drivetrain efficiency loss factor value and calculating a total drivetrain efficiency loss value of the machine using the at least one drivetrain efficiency loss factor value. The method may also include determining position data of the machine and calculating an actual grade value based on the position data. The method may additionally include calculating a rolling resistance value of the machine by subtracting the actual grade value and the drivetrain efficiency loss value from the total effective grade value and outputting the rolling resistance value. | 01-01-2009 |
| 20090119032 | CRANKSET BASED BICYCLE POWER MEASUREMENT - The present application relates to an input torque measuring device for a drive train of a bicycle. The drive train includes a first crank arm and a second crank arm. An inboard end of each crank arm is rotatably mounted to the bicycle at a bottom bracket of the bicycle. At least one chain ring is configured to rotate a driven wheel of the bicycle. A spider is connected to the first crank arm adjacent the bottom bracket and extends out to the at least one chain ring. The chain ring is attached to the spider by a fastener extending through a bushing within an opening of the spider. Sensors may be attached to the spider or the crank arms and may be directly connected to a flexible circuit board. The sensors, the flexible circuit boards and other components of the input torque measuring device may be encapsulated in a protective material. | 05-07-2009 |
| 20090319203 | System for Determining Pedalling Effort of Bicycle - A system determines pedaling effort of a bicycle and includes a first detector to generate a first sensor signal responsive to passage of a force transmission chain across a first frame-fixed point located in proximity to the force transmission trajectory of the force transmission chain, a second detector for generating a second sensor signal responsive to passage of a force transmission chain across a second frame-fixed point located in proximity to the force transmission trajectory of the force transmission chain, and a controller configured to receive the first and second sensor signals and configured to determine a first pedaling parameter proportional to tension of the force transmission chain by using the first and second sensor signal. A corresponding method for determining pedaling effort of a bicycle, and a computer program distribution medium including instructions for executing a computer process in a digital processor are also disclosed. | 12-24-2009 |
| 20100305879 | DRIVE DEVICE COMPRISING A DRIVE SHAFT AND A DEVICE FOR DETECTING TORQUE - A drive device, which has a drive shaft mounted in such a way as to rotate about an axis, two driving cranks which are connected to the drive shaft in an angularly rigid manner in relation to the axis in the peripheral direction, and an output element which is connected to the drive shaft and transmits torque between the drive shaft and a load element. To enable the measurement of the torque transmitted by the shaft as easily and economically as possible, the drive device has at least one magnetostrictive sensor which is connected to the drive shaft in a fixed manner and axially arranged between a driving crank and the output element. | 12-02-2010 |
| 20110040500 | Bicycle power meter with frame mounted sensor - A bicycle power meter has a strain gauge sensor assembly mounted on a relatively compressible portion of the end of the rear fork of the bicycle frame. The relatively compressible portion is near the rear hub and subject to the forces exerted by the cyclist to the crankset, and transferred via the chain, and sprocket assembly to the hub. The sensor assembly has two ohmically interconnected stretch sensors each having a first layer bearing a variable resistance element, whose resistance changes with displacement of the compressible portion, and a second layer for providing support for the first layer. The sensor assembly is connected in a bridge circuit to two other resistances to generate signals representative of cyclist applied force. These signals are processed along with velocity signals to generate power signals and the power signals are supplied to a display. | 02-17-2011 |
| 20110054809 | SYSTEM AND METHOD FOR MEASURING POWER GENERATED DURING LEGGED LOCOMOTION - A system and method is provided for calculating power generated by a body during legged locomotion. The system includes at least one accelerometer to measure acceleration of the body during legged locomotion, at least one force sensor to measure a plurality of propulsive force impulses created by the body during legged locomotion, and a processor configured to calculate the power generated by the body during legged locomotion using output signals from both the at least one accelerometer and the at least one force sensor. | 03-03-2011 |
| 20110087445 | Intelligent Sport Shoe System - The present invention is directed to a system for providing information to an athlete concerning the efficiency with which the athlete is using energy in moving relative to the ground or some other surface. In one embodiment, the system includes a plurality of pressure sensors that are associated with a shoe and generate pressure related data. The system further includes a processing system that processes the pressure data produced by the sensors to determine energy efficiency related information and make this information available to the wearer of the shoe so that the wearer can, if needed or desired, takes steps to improve their energy efficiency. | 04-14-2011 |
| 20110087446 | Device and Method for Measurement of Cycling Power Output - The invention provides a measurement device and method for measuring a cyclist's power output, in response to an external force provided by said cyclist applied to a bicycle, comprising a force sensor ( | 04-14-2011 |
| 20110238329 | Method and a device for detecting abnormal changes in play in a transmission unit of a movable mechanical unit - The present invention relates to a method and a device for detecting abnormal changes in play in a transmission unit configured to transfer rotational movements of a motor, having a speed of rotation that depends on a torque reference signal (T | 09-29-2011 |
| 20110282594 | Board Sports Sensing Devices, And Associated Methods - A system assesses activity of a sportsman engaged in board sports. At least one sensor detects movement of the sportsman, and a processor processes data from the sensor to assess activity of the sportsman. Activity of sportsmen engaged in human powered sports is compared. A plurality of activity sensing units is associated with the sportsman. Each of the units (a) attach to one of either the sportsman or to a human powered vehicle ridden by the sportsman, and (b) wirelessly communicate activity to a remote location. The activity comprising one or more of airtime, speed, drop distance, power and energy absorbed. A database, accessible by Internet and connected to the remote location, provides access to the activity via the Internet. | 11-17-2011 |
| 20120016602 | METHOD AND DEVICE FOR DETERMINING THE PRESSURE UPSTREAM FROM THE TURBINE OF A SUPERCHARGING TURBOCHARGER OF A THERMAL ENGINE - A method for determining, in a turbocharger for supercharging a thermal engine including a turbine and a compressor, the pressure upstream from the turbine based on the inlet air flow, the pressure upstream from the compressor, the temperature upstream from the compressor, the pressure downstream from the compressor, the temperature upstream from the turbine, and the pressure downstream from the turbine. | 01-19-2012 |
| 20120173168 | METHOD FOR THE TEMPERATURE-CORRECTION OF A FORCE-MEASURING DEVICE, AND FORCE-MEASURING DEVICE - An exemplary method for the temperature correction of a force-measuring device such as a balance is disclosed. The method includes generating, by means of a force-measuring cell, a force measurement signal corresponding to the input force; generating an electrical temperature measurement signal by means of a temperature sensor that is arranged at a distance from the heat-generating components of the force-measuring device, processing the force measurement signal into a temperature-corrected output signal based on the temperature measurement signal and the force measurement signal; and transmitting the output signal to an indicator unit and/or to a further processing unit. | 07-05-2012 |
| 20120278006 | TUBE DETECTION TECHNOLOGY FOR SOLENOID ACTUATORS - The presence of, absence of, or characteristics of, flexible tubing within a solenoid actuator valve may be determined by calculating the approximate amount of work performed by the solenoid actuator valve's armature as it closes. The likelihood of dislodgment of tubing within a closed solenoid actuator valve may be monitored by evaluating the velocity of the solenoid actuator valve's armature over a period of time. | 11-01-2012 |
| 20120278007 | METHOD FOR CHECKING THE PLAUSIBILITY OF THE TORQUE OF AN ELECTRIC MACHINE AND MACHINE CONTROLLER FOR CONTROLLING AN ELECTRIC MACHINE AND FOR CARRYING OUT THE METHOD - A method for checking the plausibility of a torque of an electric machine, calculated on the basis of a machine model, in which a first value of an electromagnetic power of the electric machine is determined from the calculated torque and a rotational speed of the electric machine. Stator current components and stator phase voltage components are calculated from the stator currents and the stator phase voltages with respect to a reference system, which is fixed in relation to the stator. A second value of the electromagnetic power of the electric machine is determined from the stator current components and the stator phase voltage components. If a deviation of the first value of the electromagnetic power of the electric machine from the second value exceeds a predefined power threshold value, the torque of the electric machine, calculated on the basis of the machine model, is classified as implausible. | 11-01-2012 |
| 20120316798 | System For Assessing And Displaying Activity of A Sportsman - A system assesses and displays activity of a sportsman. At least one sensor detects movement of the sportsman, and a processor processes data from the sensor to assess activity of the sportsman. A heads-up display mounted with a pair of goggles or glasses displays data indicative of the activity to the sportsman. | 12-13-2012 |
| 20120330572 | Cyclic Cranked System Method and Related Devices - A cyclic cranked system data gathering system has at least one crank arm ( | 12-27-2012 |
| 20130197826 | METHOD AND APPARATUS FOR MONITORING AIR FILTER CONDITION - A method and apparatus are disclosed for monitoring accumulation of dirt on an air filter of a ventilation system including the filter and a fan controlled by a frequency converter. An initial value for an operating parameter is determined. A present operating point is determined based on a characteristic curves, and the mechanical power and rotational speed of the fan. A present value for the operating parameter is determined based on the present operating point, and accumulation of dirt is determined on the air filter based on the initial and present values of the operating parameter. | 08-01-2013 |
| 20130204545 | SYSTEMS AND METHODS FOR SENSING BALANCED-ACTION FOR IMPROVING MAMMAL WORK-TRACK EFFICIENCY - An example system includes one or more sleeves, each configured for attachment to a leg and comprising a pressure sensor, an accelerometer and a magnetometer. A processor processes sensor signals from the pressure sensor, the accelerometer and the magnetometer to estimate action (A) and work (W) using event detections of peak stance and valley swing events associated with leg movement. | 08-08-2013 |
| 20130245966 | USER EXPERIENCE - Example embodiments relate to systems, methods, apparatuses, and computer readable media relating to a user interface, that may for example, receive and/or process physical activity data and allow interaction with the received information in novel implementations. | 09-19-2013 |
| 20140039811 | METHOD OF DETERMINING UNCOLLECTED ENERGY - The present invention concerns a method of producing a data base which includes a plurality of correlation laws, in particular correlation factors, for determining lost energy, which during a stoppage or throttling of a first wind power installation cannot be converted thereby into electrical energy, from the recorded power of at least one reference wind power installation operated in throttled or unthrottled mode, comprising the steps of simultaneously detecting instantaneous power of the first wind power installation and at least one reference wind power installation in the throttled or unthrottled mode, determining a respective correlation law, in particular correlation factor, describing a relationship between the power of the first wind power installation and the power of the at least one reference wind power installation, and storing the at least one correlation law or correlation factor in dependence on at least one boundary condition. | 02-06-2014 |
| 20150025816 | SYSTEM AND METHOD FOR MONITORING POWER APPLIED TO A BICYCLE - A sensor system and method for monitoring power exerted by a person riding a bicycle has a pair of sensor insoles and a portable electronic device. The sensor insoles each have a plurality of force sensors, an accelerometer, and a transmitter for transmitting data from the plurality of force sensors and the accelerometer. A power measurement program operably installed in the computer memory of the portable electronic device receives the data and calculates power and other outputs based upon the data received. | 01-22-2015 |
| 20150046100 | PEDALING MOTION MEASURING DEVICE AND PEDALING MOTION SENSOR DEVICE - The inventive pedaling motion measuring device includes: a measurement body unit having a first sensor unit for sensing the number of rotation of a wheel by sensing the motion of the wheel of a bicycle, and second sensor units arranged at right and left crank arms for sensing magnitude and direction of a force applied to each of the right and left crank arms. The first work calculation unit calculates work performed by the bicycle based on the number of rotation of the wheel sensed by the first sensor unit. The second work calculation unit calculates work provided to the crank member by the user within a prescribed time, based on the magnitude and direction of the force applied to each of the right and left crank arms and sensed by the second sensor units. The efficiency calculation unit calculates the efficiency of the bicycle. | 02-12-2015 |
| 20150112613 | System for Measurement and Analysis of Movement of Anatomical Joints and/or Mechanical Systems - A system for measuring and analyzing movement or force in conjunction with sports, physical fitness or therapy. Real-time displays of range of movement (or force) information are calibrated for optimal visibility and/or resolution based on the actual range of a given exercise. Also disclosed is a balance indicator showing in real-time whether one side of the body is being favored over the other. Also disclosed are timing windows that indicate the desired timing of an exercise in real-time. Also disclosed are ‘breadcrumbs’ visually depicting (during and after completion of an exercise) a user's history of speed and range. | 04-23-2015 |
| 20150351664 | SYSTEM FOR MEASURING POWER GENERATED DURING RUNNING - A sensor system for measuring power generated by a person during running includes a pair of sensor insoles and a portable electronic device. Each of the sensor insoles includes a substrate layer, force sensors, and a transmitter for transmitting data from the force sensors. The portable electronic device performs the steps of: determining a reference distance ratio for the person that is an approximate distance travelled for each step taken by that person; receiving force data from the plurality of force sensors; receiving force data from the pair of sensor insoles; calculating power using the force data and the reference distance ratio; and reporting the power calculated. | 12-10-2015 |
| 20150351665 | METHOD FOR MEASURING POWER GENERATED DURING RUNNING - A method for measuring power generated by a person during running includes the use of a pair of sensor insoles, each having force sensors. The method utilizes at least one computer device for performing the following: determining a reference distance ratio for the person; receiving force data from the plurality of force sensors; calculating a distance run based on a product of the reference distance ratio and a total number of impulses received in the force data; determining total force, and time elapsed during which the force data is received from the force sensors; and calculating and reporting power. | 12-10-2015 |
