# US 11,896,875 B1 · Dynamic motion force sensor module

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- Number: US 11,896,875 B1
- Document ID: US11896875B1
- Status: Granted
- Kind: B1
- Application number: 18/139,159
- Filed: 2023-04-25
- Granted: 2024-02-13
- Earliest claimed: 2022-12-08
- Assignees: Dynamic Accession LLC
- Applicants: Dynamic Accession LLC
- Inventors: Shawn A. Hendricks; Christopher M. Toner
- Web page: https://patentgrep.com/patent/US11896875B1

## CPC

- A63B 24/0087: {Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load}
- A63B 21/00185: {using resistance provided by the user, e.g. exercising one body part against a resistance provided by another body part (A63B21/068 takes precedence; isometric exercise A63B21/0023)}
- A63B 21/0058: {using motors}
- A63B 21/0442: {Anchored at one end only, the other end being manipulated by the user}
- A63B 21/0724: {Bar-bells; Hand bars}
- A63B 21/153: {wound-up and unwound during exercise, e.g. from a reel}
- A63B 21/4015: {to the foot}
- A63B 22/0076: {Rowing machines for conditioning the cardio-vascular system (seats moving during exercise A63B22/0087; training appliances for rowing or sculling on boats A63B69/06)}
- A63B 24/0062: {Monitoring athletic performances, e.g. for determining the work of a user on an exercise apparatus, the completed jogging or cycling distance}
- A63B 71/0054: {Features for injury prevention on an apparatus, e.g. shock absorbers (mats or the like for absorbing shocks for jumping A63B6/00)}
- A63B 71/0622: {Visual, audio or audio-visual systems for entertaining, instructing or motivating the user}
- A63B 21/0052: {induced by electromagnets (A63B21/0056 takes precedence)}
- A63B 21/16: Supports for anchoring force-resisters
- A63B 21/28: Devices for two persons operating in opposition {or in cooperation}
- A63B 21/4029: {Benches specifically adapted for exercising (for bench press exercises A63B21/078)}
- A63B 22/02: with movable endless bands {, e.g. treadmills (other training appliances for running on the spot A63B69/0028)}
- A63B 69/0028: {for running, jogging or speed-walking (movable endless bands A63B22/02)}
- A63B 69/12: Arrangements in swimming pools for teaching swimming {or for training}
- A63B 2022/0079: {with a pulling cable}
- A63B 2024/0093: {the load of the exercise apparatus being controlled by performance parameters, e.g. distance or speed}
- A63B 2071/0072: {Limiting the applied force, torque, movement or speed}
- A63B 2071/0081: {Stopping the operation of the apparatus}
- A63B 2071/0625: {Emitting sound, noise or music}
- A63B 2071/0655: {Tactile feedback}
- A63B 2220/51: Force
- A63B 2220/62: Time or time measurement used for time reference, time stamp, master time or clock signal
- A63B 2220/833: Sensors arranged on the exercise apparatus or sports implement
- A63B 2225/50: Wireless data transmission, e.g. by radio transmitters or telemetry
- A63B 2230/06: heartbeat rate only
- A63B 2230/75: calorie expenditure
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

A torque measurement system and method for providing real time tracking and motor control for adjusting standard and dynamic torque-to-linear forces in an electromechanical motor. The system includes sensors for measuring data, load wedges affixed to a rotor, a slip bearing for measuring forward and reverse forces of the rotor section, a tracking measurement unit adapted to measure raw data, a wireless radio, an internal processor, and a tracking processing unit.

## Claims

### Claim 1

A method for measuring bi-directional torsional forces for adjusting standard and dynamic torque-to-linear forces on an electromechanical torsional force generating device in real-time, the method comprising:
attaching force transducing load cells arranged in Wheatstone bridge wired configuration, wherein the load cells convert a compression force vector into a rotational torque vector;
transferring a rotational force of a rotor to the load cells using a load wedge;
wirelessly communicating information to and/or from the rotor to a stator section of the electromechanical device via an embedded wireless device;
determining activity data measurements using the force transducing load cell arrangement;
transmitting the activity data measurements and wirelessly communicated information to a processing unit for analysis according to predetermined sets of evaluation rules;
applying one set of evaluation rules to determine at least one apparatus condition parameter using at least one tracking parameter;
transmitting at least one apparatus condition parameter to a motor controller of the electromechanical torsional force generating device or a user device;
providing real-time control of at least one apparatus condition parameter using the user device; and
adjusting, in real-time, the torque-to-linear forces experienced by the user or load by the electromechanical torsional force generating device.

### Claim 2 (depends on 1)

The method as recited in claim 1, wherein the determined activity data measurements can be processed and utilized for closed loop feedback motor control in real-time.

### Claim 3 (depends on 2)

The method as recited in claim 2, wherein the feedback can be used to vary forces experienced by a user or motor load dynamically.

### Claim 4 (depends on 1)

The method as recited in claim 1, wherein the electromechanical torsional force generating device is a motor, flywheel apparatus or a resistive load connected to a rotor of a device.

### Claim 5 (depends on 1)

The method as recited in claim 1, wherein determining activity data measurements includes measuring torsional forces or rotational position.

### Claim 6 (depends on 1)

The method as recited in claim 1, wherein the load cells are arranged to allow torsional forces to be measured.

### Claim 7 (depends on 1)

The method as recited in claim 1, wherein load cells are calibrated and correlated to a unit force scale.

### Claim 8 (depends on 7)

The method as recited in claim 7, wherein the torsional forces are measured in both forward and reverse rotational conditions.

### Claim 9 (depends on 1)

The method as recited in claim 1, wherein the load cells are arranged in a half Wheatstone bridge wired configuration.

### Claim 10 (depends on 1)

The method as recited in claim 1, wherein the load cells are arranged in a full Wheatstone bridge wired configuration.

### Claim 11 (depends on 1)

The method as recited in claim 1, wherein sensor forces are communicated from the rotor to the stator section of the electromechanical torsional force generating device using a slip connector.

### Claim 12 (depends on 1)

The method as recited in claim 1, wherein the communicated information includes sensor force and positional data.