GB2456821B - Method and apparatus for measuring power ouput from a crank drive - Google Patents
Method and apparatus for measuring power ouput from a crank driveInfo
- Publication number
- GB2456821B GB2456821B GB0801398A GB0801398A GB2456821B GB 2456821 B GB2456821 B GB 2456821B GB 0801398 A GB0801398 A GB 0801398A GB 0801398 A GB0801398 A GB 0801398A GB 2456821 B GB2456821 B GB 2456821B
- Authority
- GB
- United Kingdom
- Prior art keywords
- crank drive
- measuring power
- power ouput
- ouput
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
- B62J45/411—Torque sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
- B62J45/421—Sensor arrangements; Mounting thereof characterised by mounting at the pedal crank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/34—Bottom brackets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M3/00—Construction of cranks operated by hand or foot
- B62M3/003—Combination of crank axles and bearings housed in the bottom bracket
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
- G01L3/242—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity by measuring and simultaneously multiplying torque and velocity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
- G01L5/0019—Force sensors associated with a bearing by using strain gages, piezoelectric, piezo-resistive or other ohmic-resistance based sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Transportation (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0801398A GB2456821B (en) | 2008-01-28 | 2008-01-28 | Method and apparatus for measuring power ouput from a crank drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0801398A GB2456821B (en) | 2008-01-28 | 2008-01-28 | Method and apparatus for measuring power ouput from a crank drive |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0801398D0 GB0801398D0 (en) | 2008-03-05 |
| GB2456821A GB2456821A (en) | 2009-07-29 |
| GB2456821B true GB2456821B (en) | 2010-01-06 |
Family
ID=39186340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0801398A Active GB2456821B (en) | 2008-01-28 | 2008-01-28 | Method and apparatus for measuring power ouput from a crank drive |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2456821B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010001775A1 (en) * | 2010-02-10 | 2011-08-11 | Robert Bosch GmbH, 70469 | Electric bicycle with pedalkraft-controlled electric drive |
| DE102010003050A1 (en) * | 2010-03-19 | 2011-09-22 | Robert Bosch Gmbh | bicycle |
| CN102464080B (en) * | 2010-11-15 | 2015-04-29 | 久鼎金属实业股份有限公司 | Torque Sensing System of Bicycle Center Axle and Its Quadratic Signal Transmission Method |
| EP2460718A1 (en) * | 2010-12-02 | 2012-06-06 | J.D Components Co., Ltd. | Torque sensor for bottom bracket axle and method using the same |
| US11406869B2 (en) | 2011-01-21 | 2022-08-09 | Foundation Fitness, LLC | Systems and methods for power meter calibration |
| NL2007295C2 (en) | 2011-08-24 | 2013-02-27 | Tacx B V | Input performance measurement system for a bicycle. |
| NL2008040C2 (en) * | 2011-12-23 | 2013-06-26 | Indes Holding Bv | A bracket shaft assembly, a power assist assembly and a human powered vehicle. |
| DE102012015654A1 (en) * | 2012-08-09 | 2014-05-15 | Imo Holding Gmbh | Method and device for detecting and monitoring the state of assemblies and components. |
| US8825279B2 (en) * | 2012-09-11 | 2014-09-02 | Shimano Inc. | Bicycle power sensing apparatus |
| CN103487185A (en) * | 2013-09-04 | 2014-01-01 | 卢泽仲 | Measuring device for power of bicycle |
| CN104034366B (en) * | 2014-03-28 | 2017-02-22 | 江阴万讯自控设备有限公司 | Electric actuator detection device and detection method thereof |
| US10505588B2 (en) | 2014-04-24 | 2019-12-10 | Shimano Inc. | Bicycle component with wireless communication |
| DE102015202130A1 (en) * | 2015-02-06 | 2016-08-11 | Schaeffler Technologies AG & Co. KG | Construction kit for warehouse and warehouse arrangement |
| CN104931240B (en) * | 2015-05-25 | 2017-09-01 | 广西科技大学 | A method for steel ring fault self-identification |
| US10591371B2 (en) * | 2016-06-10 | 2020-03-17 | Level Engineering, Inc. | Systems and methods for measuring drivetrain power transmission |
| WO2019113105A1 (en) * | 2017-12-04 | 2019-06-13 | Foundation Fitness, LLC | Systems and methods for power meter calibration |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989000401A1 (en) * | 1987-07-09 | 1989-01-26 | Ulrich Schoberer | Powermeter for a crank drive |
| US5031455A (en) * | 1989-09-05 | 1991-07-16 | Cline David J | Bicycle power meter |
| DE19609981A1 (en) * | 1996-03-14 | 1997-09-18 | Dietrich Gerhard Ellsaesser | Inner bearing unit as torque-rpm sensor system for exercise cycle or ergometer |
| WO1999045350A1 (en) * | 1998-03-04 | 1999-09-10 | Tune Corporation | Apparatus and method for sensing power in a bicycle |
| EP1154253A1 (en) * | 2000-05-09 | 2001-11-14 | Sensile Technologies S.A. | Power sensing device |
| WO2005081786A2 (en) * | 2004-02-17 | 2005-09-09 | Forza, Inc. | Load measurement apparatus and methods utilizing torque sensitive link for pedal powered devices |
-
2008
- 2008-01-28 GB GB0801398A patent/GB2456821B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989000401A1 (en) * | 1987-07-09 | 1989-01-26 | Ulrich Schoberer | Powermeter for a crank drive |
| US5031455A (en) * | 1989-09-05 | 1991-07-16 | Cline David J | Bicycle power meter |
| DE19609981A1 (en) * | 1996-03-14 | 1997-09-18 | Dietrich Gerhard Ellsaesser | Inner bearing unit as torque-rpm sensor system for exercise cycle or ergometer |
| WO1999045350A1 (en) * | 1998-03-04 | 1999-09-10 | Tune Corporation | Apparatus and method for sensing power in a bicycle |
| EP1154253A1 (en) * | 2000-05-09 | 2001-11-14 | Sensile Technologies S.A. | Power sensing device |
| WO2005081786A2 (en) * | 2004-02-17 | 2005-09-09 | Forza, Inc. | Load measurement apparatus and methods utilizing torque sensitive link for pedal powered devices |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2456821A (en) | 2009-07-29 |
| GB0801398D0 (en) | 2008-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20100610 AND 20100616 |